Friday, November 30, 2012

How Many Days After Your period Can You Get Pregnant?

Women who are request themselves if they are risking gravidity on any day during their cycle should perceive one thing: they need to learn more about their cycle.

Learning more about how your menstrual cycle works will give you the confidence and potential to avoid gravidity or achieve gravidity without the aid of drugs that could be harmful to the body.

Microscope

The menstrual cycle begins on the first day of your period. On average, a duration will last from 5 to 7 days. As soon as your duration is over, your uterus begins to build a lining that would reserve a fertilized egg. during this time you'll consideration a bit of a whitish removal from the vagina.

At first it is a bit crumbly, like rubber cement. After a few days, it turns creamy, like a lotion, and then a few days later it should increase in amount and be thick, slippery, clear and stretchy, like the uncooked white of an egg. All this happens while that lining is building inside the uterus, making ready for pregnancy.

Any time during this phase you could, theoretically, get pregnant, although the odds are much greater while you have the egg white discharge.

When the removal is crumbly, you may feel drier inside. The cervical mucous makes up patterns that impede the expand of sperm. If you looked at it under a microscope, you could see a crisscross pattern.

As the removal becomes more fluid, it is changing to be more suitable to sperm, culminating in the egg white mucous that is all aligned, undoubtedly aiding the sperm on its journey into the uterus. While the mucous is favorable, sperm can live inside a woman's body for up to five days.

How Many Days After Your period Can You Get Pregnant?

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Thursday, November 29, 2012

Type 2 Diabetes - Diagnosing Blood Vessel Abnormalities in Diabetics

One of the most hazardous complications of Type 2 diabetes is damage to the heart and blood vessels. Some of these veins and capillaries are far too small to see without a microscope, but damage to them can have serious consequences throughout the whole body. The eyes and kidneys are two frequent examples of organs that can be damaged when tiny blood vessels are not able to serve them an enough supply of blood.

Researchers at Monastir University in Tunisia looked at a molecule known as pentosidine as a potential indicator of damage to our veins and capillaries. According to a record published in August 2012 in Diabetic Vascular Disease Research, measuring pentosidine levels could be a way of diagnosing damage that could lead to diabetic complications. The Tunisian study included:

Microscope

200 citizen with Type 2 diabetes, and 30 non-diabetic controls.

It was found that pentosidine was high in diabetics with retinopathy and nephropathy. Those with high levels of pentosidine also had a high risk of high blood pressure and high blood fats.

From this data it was done that pentosidine could be an indicator of diabetic complications developing.

Pentosidine is an indicator of the nearnessy of developed glycation end products, or Ages. Ages are formed from oxidation and high blood sugar levels. They are toxic and could be what is behind the blood vessel damage seen often in Type 2 diabetes. When blood vessels are damaged the whole body is threatened because blood vessels carry oxygen and nutrients to every living cell, and carry away waste products such as carbon dioxide.

At some point pentosidine levels could become part of a regular checkup for diabetics. If the level are high, then further investigation might be warranted to study either retinopathy, nephropathy or other diabetic complications were also present.

the retinas, or back parts of the eyes where light forms a picture, are full of blood vessels, as are the kidneys, which is why they are two of the organs that often show diabetic complications early. the heart is other organ that can be a problem in Type 2 diabetes because the heart muscle needs a constant supply of blood to accomplish its constant work. strokes are other complication that can occur when blood vessels are unable to deliver blood to the brain and death of the nerve tissue making up the brain results.

To keep your blood vessels salutary and delivering blood throughout your body, keep your blood sugar levels under control. Discuss with your health care supplier how to use diet, rehearsal and, if necessary, a pharmaceutical regimen that will keep diabetic complications from forming.

Type 2 Diabetes - Diagnosing Blood Vessel Abnormalities in Diabetics

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Wednesday, November 28, 2012

How is Trichomoniasis Transmitted?

Trichomoniasis is known to be the most full, yet treatable sexually transmitted disease that affects both men and women. It is also considered as one of the most frequent infection of a women's vagina.

According to the each year estimates of the Who, there are around 7.4 million cases of trichomoniasis in the Us each year and 180 million reported cases all over the world.

Microscope

How is Trichomoniasis Transmitted?

Trichomoniasis is produced by a single-celled parasite, Trichomonas vaginalis. It can sway both men and women. The most normal location of infection in men is the urethra, while it normally occur in the vagina for women. Individuals get trichomoniasis through sexual contact. Example is penis-to-vagina intercourse or vulva-to-vulva perceive with an infected person. Women get trichomoniasis from affected men or women, while men normally regain the disease only from infected women. Trichomonas vaginal can also be contracted through oral or anal sex with an infected partner. It can be passed from a mum to her newborn; newborns with mothers infected with trichomoniasis were evidenced of the sponge in their lungs. You cannot compact this Std from intimate kissing, sharing utensils, or toilet seats.

How is Trichomoniasis Recognized?

The symptoms of this sexually transmitted disease in women may contain vaginal extraction that is yellow-green in color, fishy odor of the vagina, pain during sexual intercourse and urination, and irritation or itching of the vulva, the genital area surface the vagina. Men ordinarily do not show signs and symptoms of trichomoniasis, but may perceive burning during ejaculation or urination and evidence of extraction from the penis.

How is Trichomoniasis Diagnosed?

Diagnosis of this Std requires both sexes to endure corporeal exam and lab testing. It is diagnosed by observing the trichomonads under a microscope. The infection in men is more difficult to detect compared to the women. For the female community, the specimen is collected during an examination in the pelvic wherein a physician inserts a speculum into the vagina and swabs the wall using a cotton-tipped applicator to regain the specimen. The sample is then sent to the laboratory to be analyzed. The optic prognosis of the specimen under a microscope may characterize small red ulcerations or sores in the vaginal cervix. If this case appears, the term used is "strawberry cervix".

How is Trichomoniasis Treated?

Trichomoniasis can be ordinarily treated with drugs that are prescribed by the doctor. Patients can pick either tinidazole or metronidazole that is taken orally just once. Symptoms of this Std in men may vanish in a merge of weeks even without curing treatment. However, a man who has not shown any symptoms or have continued symptoms can still sway or infect his partner whose symptoms have disappeared. In such knowledge, both partners should be cured all at once to fully eradicate the parasite. Individuals who endure medicine for trichomoniasis should prohibit having sex until they and partners are done with the medicine and show no symptoms of the disease. Pregnant women with trichomoniasis can use metronidazole to treat the disease.

Your having trichomoniasis once does not keep you from getting the disease again. Citizen are still prone to reacquiring the disease even after a thriving treatment. So in order to be completely sure that you don't have trichomoniasis, you should be sure to get tested every now and then.

How is Trichomoniasis Transmitted?

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Monday, November 26, 2012

Check Out AmScope 50 PC Biology Zoology Botany Entomology Glass Prepared Microscope Slides in Wooden Box Case for $37.50


AmScope 50 PC Biology Zoology Botany Entomology Glass Prepared Microscope Slides in Wooden Box Case Overview

This is a 50-piece very nice prepared microscope slide set of Biology Pathology. The prepared slides we offer are professionally hand mounted, accurately stained, and individually labeled. Our microscope slides are great for students of all ages, from home-schoolers to college students looking for an excellent introduction to microscopy. The prepared slides give you the most diverse possible biological selection. They are coverslipped and preserved in cedar wood oil. These slides are premium and machine cleaned giving a sharp image. All slides are carefully labeled for easy reference and are arranged in a fine crafted varnished wooden case with brass hardware. This slide set is a rare mix of 50 prepared slides from which students can find a lot of fun. It is excellent for educational use and is perfect for all levels of student study including home school program. This slides set is brand new and has never been used, so your slides will be clean and free of scratches or damage. There is no risk of contamination from previous use. Its retail valude is 0.

AmScope 50 PC Biology Zoology Botany Entomology Glass Prepared Microscope Slides in Wooden Box Case Review



AmScope 50 PC Biology Zoology Botany Entomology Glass Prepared Microscope Slides in Wooden Box Case Feature

  • Wide assortment of specimen glass slides of animal tissues, insect parts, plant parts, etc. for students to learn science
  • Specimens are on 1" x 3" (25mm x 75mm) glass slides with correct color and sharp images
  • Wooden box included for keeping the slides safe and secure
  • Name of the specimen included on each slide so that you know what you are looking
  • Allows you to use microscopes out-of-the-box

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Sunday, November 25, 2012

AmScope 20x-40x Stereo Boom Microscope + Light + 3.0MP Camera

AmScope 20x-40x Stereo Boom Microscope + Light + 3.0MP Camera Review


$1415

AmScope 20x-40x Stereo Boom Microscope + Light + 3.0MP Camera Feature

  • SUPER widefield optical system offering crystal clear erect stereo images
  • 20X and 40X magnification settings on flexible single-arm boom stand
  • 3.0MP high quality digital camera capturing 2048x1536 pixel still images and streaming real-time live videos on your PC screen
  • Advanced editing & measuring software compatible with Windows 2000/XP/Vista/7
  • Powerful fluorescent ring light and mounting adapter included

AmScope 20x-40x Stereo Boom Microscope + Light + 3.0MP Camera Overview

This is a 20X-40X trinocular stereo microscope on boom stand with 3.0 MP USB2.0 digital camera and fluorescent ring light. It comes with a trinocular head, 30mm SUPER widefield high-eyepoint eyepieces, and a sturdy heavy-duty boom stand, offering crystal clear sharp images, super widefield of view and large working distance. The 45° inclined eye tube and high-eyepoint design ensures an easy and comfortable observation including eyeglass wearers. The boom stand allows you to turn the microscope head around two different axis (X and Z), allowing you point the microscope head in various directions. The fluorescent ring light comes with a mounting adapter. It provides cool, even and bright illumination. The color digital camera captures 3.0 MP high resolution microscope images and displays them as full-screen live video on your computer screen. The reduction lens included displays the same field of view images on your computer screen as those seen through the microscope eyepieces. With the included user-friendly software, which is compatible with Windows 2000/XP/Vista/7, you can edit microscope images in a manner similar to PhotoShop. You can conduct measurements across images, record videos, share images, and save them in BMP, TIFF, JPG, PICT, PTL and other formats. You can conduct measurements across microscope images, measuring lengths, angles, areas and etc. This microscopy system is an ideal instrument for research labs, gemologists and anyone in semiconductor and/or electronic industry. It is made by the same technicians and on the same production line as optical instruments for Leica, Zeiss, Nikon and Olympus. It is brand new in factory box. Its retail value is ,900.

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Friday, November 23, 2012

What is Upper Endoscopy and Why Is Small Intestine Biopsy Recommended for Celiac Disease?

When undergoing an estimation for possible celiac disease or gluten sensitive enteropathy doctors commonly propose an upper endoscopy and small intestine biopsy. What that may mean or why it is recommended may not be clear to population who are facing the decision to experience the procedure themselves or to field their child to the exam.

Endoscopy in celiac: What is it and how is it done?

Microscope

The medical name for upper endoscopy is esophagogastroduodenoscopy or Egd for short. The endoscope is a thin flexible tube about the diameter of a fat pencil that has a video chip in the end and channels for flushing of water, suctioning of secretions and tube of instruments. It has dials that allow the tube to be turned up/down and right and left at the tip permitting it to be passed straight through the mouth, down the esophagus or feeding tube, into the stomach and then into the first part of the small intestine the duodenum, hence the name Egd.

Endoscopy in celiac: Do you feel it or remember it?

People undergoing the exam in the U.S. Typically are sedated with a medication. Medications similar to valium with good amnesia and relaxing follow called midazolam or versed combined with a narcotic like meperidine (demerol) or fentanyl are generally used. More recently a very short acting intravenous sedative, propofol (diprovan), may be administered for deep sedation or an intravenous form of normal anesthesia. Occasionally, commonly in very young children or population with severe lung problems, normal anesthesia is required. The exam is commonly not felt or remembered because of the medications.

Endoscopy in celiac: What is examined in celiac and how well can the lining be seen?

Celiac disease affects the upper portion of the small intestine, in the two sections known as the duodenum and jejunum. The exam of the small intestine is commonly exiguous to the first section termed the duodenum though occasionally the second section known as the jejunum may be reached especially when a longer endoscope is used. The resolution of video images are very high with the latest endoscopes and also may have a magnification and color dissimilarity mode to detect very subtle signs of damage of the small intestine.

Endoscopy in celiac: What are the typical findings?

The characteristic appearance of the surface of the small intestine in celiac disease contain superficial ulcerations that are generally linear, flattening of the folds, notching or scalloping of the folds and a mosaic like pattern. However, the surface may appear normal and only under exiguous exam of samples will the lining show signs of gluten caused injury.

Endoscopy in celiac: What are biopsies?

Samples of small intestine are obtained with biopsy pliers that consist of tiny jaws with cups that permit pinching off samples of the intestinal lining. This is painless and very safe. The samples are sent to a analysis lab in a preservative solution, processed, mounted on a microscope slide, and stained for exam under the microscope by a pathologist. Small intestine injury from gluten may be patchy, therefore, some samples are recommended. A minimum of 4 pieces and preferably 8-12 samples should be obtained to avoid missing exiguous signs of celiac disease.

Endoscopy in celiac: What does the pathologist look for on the slides?

The pathologist examines the slide for evidence of damage or injury characteristic of gluten sensitivity. Occasionally special stains are required to see signs of irritation known as inflammation characterized by an increased amount of a type of immune active white blood cells called lymphocytes. In early celiac and gluten sensitivity without celiac disease the biopsy may be normal and the analysis cannot be established by the biopsy.

Endoscopy in celiac: Summary.

The procedure of endoscopy is safe, painless, and very helpful for establishing the analysis of celiac disease while excluding other upper intestinal disorders. The main drawback of endoscopy is that nearly everybody must have sedation to tolerate the exam and it can be expensive if not fully covered by insurance. Sometimes, celiac disease is diagnosed by endoscopic biopsy in population who whether have normal blood tests or as an incidental looking in those undergoing endoscopy for other reasons. Fear or obscuring about endoscopy should not forestall anything who is suspected of having celiac or gluten sensitivity from undergoing endoscopy. Added facts about celiac disease and other digestive diseases are ready at http://www.thefooddoc.com, the premier website under improvement by "the food doc", Dr. Scot Lewey, a practicing stomach and intestinal devotee (gastroenterologist).

Copyright 2006, The Food Doc, Llc All possession Reserved. Http://www.thefooddoc.com

What is Upper Endoscopy and Why Is Small Intestine Biopsy Recommended for Celiac Disease?

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Thursday, November 22, 2012

Learning Resources Prepared Slides Combination Set (Pack of 12 Slides)

Learning Resources Prepared Slides Combination Set (Pack of 12 Slides) Review


Learning Resources Prepared Slides Combination Set (Pack of 12 Slides) Feature

  • Four well-labeled specimens per slide for a total of 48 preserved specimens
  • It contains 12 standard-size slides
  • Comes with animal, plant, insect, textile, pollen and spore specimens
  • Grades 3 and up.
  • Also includes our homonymic favorite, hare hair

Learning Resources Prepared Slides Combination Set (Pack of 12 Slides) Overview

Grades K - 6. Set contains 12 slides with a total of 48 specimens including pollens/spores, textiles, insects, tiny creatures, animals, and plants.

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Wednesday, November 21, 2012

How to Spot Bad Mole?

How to spot malignant mole?

This morning you took a bath. The warm water feels so nice while the cold winter day. There was some funny skin itching on you back. You looked in the mirror, turned this way , that way. There is small mole on your back You remember this spot had been there for years, since childhood. Did this spot get that strange itching?

Microscope

Recently you have heard the news that there are more than 50000 of new melanoma cases every year. This amount grows 3% a year.

What is going on? Is this small spot on you back went out of control?

Several types of skin tumors exist. Many are slow growers. Many give rare metastasis. Easy discharge cure majority of skin tumors.

Melanoma brings troubles big time.

Melanos = black, oma = tumor.

You can detect melanoma by self-exam. Skin cancers show themselves much easier than any other types of cancer.

In the same time you can cure melanoma by Easy surgical resection. However, catch this tumor in early stage. Late stage metastasize. Surgeon can not cut off every metastasis in your body.

There are numerous sites dedicated to melanoma self-exam. Just type in the word "melanoma" into any hunt engine. Supervene instructions.

Fair skin population have more chances of getting melanoma. However, dark skin population design melanoma too.

Everybody has moles. Women even use moles to charm. How to find if your mole became dangerous?

Dangerous signs comprise Abcd:

Asymmetry

Border

Color

Diameter

A- asymmetry. Suspicious mole does not look like a round or oval blot. Often, early melanoma looks rather like a blot with an odd shape.

B- borders. Borders come to be irregular, uneven, fuzzy. The edges of the blots come to be notched.

C- color. Color of normal mole should be more or less homogenous. Change in color is very suspicious . There are shades of brown, black, tan, red. Mottled color is suspicious.

D- diameter. Change in diameter is suspicious too. Mole that is bigger than 6 mm is suspicious. Everybody compares 6 mm to a pencil eraser (though few population surely use it extensively). Just to get idea about the borderline size.

Besides Abcd there could be other signs of risky mole:

E - enlargement and elevation over the time

Also worrisome signs comprise easy bleeding and erythema (redness) colse to the mole.

Itching and pain in the side of mole make you suspicious as well.

History of melanoma in house should also raise suspicions.

Some skin problems look like melanoma, but are surely harmless. Anyway, do not gamble with them. Even experienced physician can not always tell if the lesion is malignant or not. It is great to be safe then sorry and check the troubling changes soon.

Some rare types of melanoma exist. Because even unavoidable melanomas are not always diagnosed on time, the unusual types becomes much more deadlier. Often physician sees them too late.

Melanoma under the nails. Melanoma of mucous membranes. (Mouth, nose or guts) Amelanotic melanoma - this one is not even colored.

The rehabilitation will be excision with margins and biopsy, but most important of procedure is to catch melanoma Know that the rehabilitation depends on the thickness of the tumor and the proximity of distant metastasis.

Surgeon or dermatologist cuts off the melanoma. Then, Pathologist (doctor specializing in lab diagnostics) looks the sample under microscope.

He classifies the tumor. The grade of the tumor gives the clue to the chances of your survival.

There are some classifications

Breslow classification portion the penetration of the lesion into skin by millimeters. Know that > 0.75 mm is already dangerous, but > 4 mm is wacking.

What is 4 mm. It is nothing. Right? Take a ruler and check how 1 mm looks and how 4 mm looks.

So this is why it is important to catch melanoma early.

There is also Clarks classification that measures penetration of the melanoma into the skin and other layers.

Tnm classification standardizes the grading.

You can not know the grade unless you excise and portion the melanoma penetration under microscope. It is not a do-it-yourself project. Surgeon and pathologist will do it.

The time of evolvement 1-2 years.

The frequency of melanoma is increasing. It might be because of more population get sun damage. Also other reasons may play role.

Treatment of melanoma includes surgical removal, chemotherapy, immunotherapy, radiation therapy.

How to Spot Bad Mole?

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Tuesday, November 20, 2012

Polarizing Microscope and Applications

A polarizing microscope is a extra kind of microscope that utilizes two polarizing lens to acquire definite optic data from the specimen. The polarizing microscope is used extensively in the field of optic mineralogy which supports such applications as geology, asbestos testing, and forensic science. Often those working in separate fields will sometimes refer to the polarizing microscope by separate names such as geology microscope, petrographic microscope, pol microscope, and Plm (polarized light microscope.)

The key inequity between the polarizing microscope and a proper compound microscope is the increasing of a fixed polarizer between the light source and the specimen and the increasing of an adjustable polarizer between the objective and the eyepieces. The 2nd polarizer is called the "analyzer" and normally can insert in and out on a rotating piece in the neck of the microscope. Other common accessories consist of a rotating stage and insertable retardation plates made from gypsum or quartz.

Microscope

With these additional elements, the this microscope can acquire optic data from a specimen that no other microscope can. The key optic information available includes refractive index, birefringence, sign of elongation, pleochroism, and angle of extinction, all of which contribute clues to the crystallography of the material that is being investigated.

The first uses of these kinds of microscopes over one hundred years ago was the identification of minerals in geology. In addition, the most common form of lab analysis to test for asbestos is performed with a polarizing microscope. Because of the their potential to contribute optic data, these kind of microscopes are very commonly used in forensic science where the identification of unknown materials is a routine part of the job. Some of the first evidence disputing the claimed age of the so-called "Shroud of Turin" was carefully by analysis of pigments using a polarized light microscope.

The polarizing microscope is a very versatile and grand instrument in the identification of materials. It is a key tool in several scientific fields, and can sometimes be the best choice over more high-priced technologies. For example, in routine asbestos analysis the polarizing microscope was carefully to be more accurate and much more cost productive than the other high-tech options that were first investigated, such as x-ray diffraction and scanning electron microscopy. It is a grand tool with many applications.

Nikon's MicroscopyU has quite a bit of information on how the polarizers and the science work to contribute analytical information: http://www.microscopyu.com/articles/polarized/polarizedintro.html

Polarizing Microscope and Applications

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Sunday, November 18, 2012

Digital Microscopes in the Elementary Science Classroom - Effective, Affordable, and Easy to Use

Advances in digital microscope technology over the last few years have resulted in great benefits for students. While there are many distinct types of digital microscopes, they fall into one of two main categories, those that associate to the Tv and those that associate to the computer straight through a Usb port. Instead of students being required to share microscopes and discuss their findings without any references, the digital microscopes allow the whole class to view specimens and discuss findings as a group.

One type of digital microscope plugs into a data projector or television. This makes the process of teaching science to a classroom much more dynamic, easier and more cost effective. The presentation of specimens and conference can be concluded no ifs ands or buts by placing the television in the front of the classroom where all students have a clear view of the screen. The educator places the specimen under the handheld microscope for view by the whole classroom.

Microscope

The educator is able to use the television to point out details of the specimen, encourage participate by all students, and fulfill the objectives of the part plan using one microscope. There is no need for software or extra equipment to make the microscope a vital part of the educational process.

Students will be able to learn the steps for dissecting specimens properly without the general trial and error that often accompanies this process. In addition, group discussion, questions, and answers always serve educators well when presenting new or unusual article to students. Teaching students about the cellular structure of animals and plants can be no ifs ands or buts concluded using the large, clear, and crisp photo provided by the television screen or data projector.

An added benefit of this type of theory is that students with extra needs, who may not normally be able to cope the small controls of a microscope or be able to navigate the intricacies of the scope, will be able to participate and learn no ifs ands or buts with the rest of the class. This inclusion of all students in the science exploration process will enlarge and empower students with extra needs to participate in learning more actively.

The scopes made for use with televisions or data projectors lack the functions and features of the scopes that incorporate with a computer using a Usb port. These systems are able to narrative still images, do time-lapse videos, and contribute a continual flow of facts to students relative to the specimen they are studying. An educator can no ifs ands or buts construct a part plan that will contain the splitting of a cell, or the increase process of fungi or bacteria and treat students to the overwhelming excitement of watching nature in action.

The most productive microscopes for schooling use are designed to contribute greater magnification of 10x to 200x or higher. They also contain easy-to-use controls for Led lighting which will allow for adaptation to light sources in the classroom more easily.

Many teachers find that using the digital microscope in conjunction with desk microscopes allows for more flexibility in teaching techniques and methods. It is very powerful to have the educator be able to display what the students are seeing for in their desktop microscopes. The interaction of students and educator when students know what they are seeing at allows the educator to focus on the scheme and specimen at hand for the whole class instead of spending time at private desks telling students the same information.

The benefits of using a digital microscope in elementary science classrooms are tremendous. The SmartScope by SmartSchool Systems is affordable and easy to use and opens doors for educators and students. Educators are able to originate dynamic part plans that apply the full applications of the microscope while the students benefit from the overwhelming world that has been opened to them straight through this contemporary technology.

Digital Microscopes in the Elementary Science Classroom - Effective, Affordable, and Easy to Use

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Saturday, November 17, 2012

Check Out AmScope 7X-90X Trinocular Stereo Boom Zoom Microscope + Light for $449.00


AmScope 7X-90X Trinocular Stereo Boom Zoom Microscope + Light Review



AmScope 7X-90X Trinocular Stereo Boom Zoom Microscope + Light Feature

  • 7X-90X very large zoom magnification power with crisp sharp images
  • 1-1/4" (33mm) SUPER widefield of view and 4" (100mm) working distance
  • 3D boom stand allowing you to point microscope head in ANY direction desired
  • Trinocular port for adding photographic or video capability
  • 8 Watt fluorescent ring light with mounting adapter

AmScope 7X-90X Trinocular Stereo Boom Zoom Microscope + Light Overview

This is a trinocular 7X-90X zoom stereo microscope with fluorescent ring light. It comes with a trinocular head with 30mm SUPER widefield, high-eyepoint 10X eyepieces, 2.0X Barlow lens, a double-arm heavy-duty boom stand and a fluorescent ring light. Its trinocular port enables to add photographic or video capability. The high-eyepoint optic design ensures an easy and comfortable observation, especially for eyeglass wearers. The double-arm boom stand allows you to turn the microscope head around three different axes, that is, you can place the microscope head toward to any directions. The fluorescent ring light comes with a mounting adapter. It provides cool, even and bright illumination. The microscope offers high resolution, super widefield of view, large magnifying zoom range (13:1) and long working distance. It gives crystal clear sharp images. It is an ideal instrument for research labs, gemologists, engravers, collectors and anyone in semiconductor and/or electronic industry. This stereo zoom microscope is made by the same technicians and on the same production line as optical instruments for Leica, Zeiss, Nikon and Olympus. It comes brand new in factory sealed boxes. Its retail value is ,000.

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Friday, November 16, 2012

Gemstone Microscope and Its Usage

The function of the microscope is to enlarge objects so as to make them more unmistakably descriptive to the human eye. Its use in science is unlimited, and to the gemologist the microscope is more foremost than any other instrument. This is because one of the biggest problems in modern jewelry is the detection of artificial and imitation stones, and without a microscope the task would be roughly impossible.

The detection of imitation stones covers a vast field and the following lines serve only as an introduction. Three out of four of the most valued gem stones can be produced synthetically in the laboratory. These are the ruby, the sapphire, and the emerald. Needless to say, the distinction in value in the middle of a natural and artificial stone is enormous, and it is therefore of most point to the jeweler that he can be sure they can be effectively distinguished from each other.

Microscope

Synthetic rubies made by the flame-fusion process are in all their corporal properties roughly identical with the natural stone. Chemically, both are crystalline aluminum oxide. The red color is in both cases produced by minute quantities of chromic oxide, and if artificial and natural rubies are tested for their exact gravity, refractive index, and absorption spectra, the same results occur in both cases. Yet, if they are placed under a microscope, a marked distinction in the middle of the two is found. What then are these internal telltale features that will enable us to distinguish the real from the synthetic?

Fine curved lines are immediately noticeable that are rather like the grooves of a phonograph narrative and run through the stone. There are also some black spots interspersed irregularly throughout the gem. The curved lines are known as increase lines, and they are produced during the formation of the artificial boule and are a distinct sign that the stone is synthetic. The black spots characterize tiny bubbles of gas, and these, too, were included in the boule during its formation. Gas bubbles and curved increase lines are therefore typical characteristics of artificial corundum.

But, what does the inside of natural corundum look like under the microscope? Again, there are the curved increase lines in the artificial stone, but, in the natural one, the increase lines are right and set at exact angles. This latter feature is an foremost characteristic of most natural mineral crystals. The microscope can supply all-important clues in the identification of rubies and sapphires.

A gem stone that may set an even bigger problem is the emerald. In this case, artificial stones are internally also remarkably similar to the natural ones. Fortunately, Chatham's artificial emeralds do have a lower exact gravity and refractive index than the natural stones, but it is not always possible, if a stone is set in a piece of jewelry, to apply these tests. Here the microscope is useful again.

Natural emerald possesses cer¬tain internal features called inclusions. Some of them take the form of spiky cavities filled with tiny mineral crystals and gas bubbles. Indeed, they are so typical that they can be connected with exact mining localities and thus form an foremost guide to the origin of some emeralds. Chatham's artificial emeralds also possess extra inclusions, and under the micro¬scope, these look rather like a fine pattern of lace. They unmistakably consist of minute interweaving channels filled with liquid and thus are very different in character from the inclusions of the natural emeralds.

A easy magnifying glass that enlarges ten times can also be a requisite aid in the identification of some gem stones. Thus, a colorless zircon might well be confused with a real diamond, but if both are determined examined with a hand lens by finding through the top of the stone at the rear facets, everything at the back of the zircon will appear double, thus revealing its strong light-splitting property.

Since a diamond belongs to the cubic crystal system, letting light rays pass through without splitting them, the duplicate image will not be shown by it. This is one easy test that immediately distinguishes in the middle of these two gem stones. There is one direction along the so-called optic axis of a double-refractive stone where the light rays are not split and the doubling ensue cannot be seen. It is therefore wise to tilt the gem a minute when examining it with a lens to insure that the optic axis does not lie at right angles to the table facet.

Gemstone Microscope and Its Usage

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Wednesday, November 14, 2012

Great Price AmScope T490B for $269.98


AmScope 40X-2000X Full-Size 17 Lbs Professional Trinocular Lab Biological Compound Microscope with 3D Two-Layer Mechanical Stage Review



AmScope 40X-2000X Full-Size 17 Lbs Professional Trinocular Lab Biological Compound Microscope with 3D Two-Layer Mechanical Stage Feature

  • Three unique features: 1) Simultaneously views sharp clear images through the trinocular port and eyepieces; 2) Has both 23mm photo port and C-mount; 3) The Length of the trinocular port is adjustable
  • Professional widefield optical system offers eight magnification settings 40X-80X-100X-200X-400X-800X-1000X-2000X
  • Heavy-duty graduated 3D two-layer mechanical stage with coaxial coarse & fine focusing, rack & pinion adjusting Abbe condenser and iris diaphragm
  • High quality intensity-variable halogen illumination system provides full spectrum light, giving the most colorful microscopy images
  • Trinocular port uses the third port for camera capabilities, or a third party to view as well, giving you the remaining two ports to view your specimen

AmScope 40X-2000X Full-Size 17 Lbs Professional Trinocular Lab Biological Compound Microscope with 3D Two-Layer Mechanical Stage Overview

The T490B features a unique "simul-focal" optical system with an adjustable trinocular port to enable well-focused clear images on your PC or video screen while simultaneously obtaining sharp, focused images through the eyepieces. Most trinocular microscopes allow you to view either through the trinocular port or the eyepieces only, forcing you to switch between the two. Since these trinocular ports are not "simul-focal" with the rest of the microscope optical system, you have to re-focus the microscope after each switch. The T490B, however, erases this step by providing "simul-focal" viewing. Especially handy for teaching demonstrations, clinical examinations and laboratory applications, the "simul-focal" feature allows your students or colleagues to view clear images simultaneously while you work through the eyepieces. In addition, the T490B's industry standard 23mm photo port can be converted into a C-Mount port by attaching the included C-mount adapter, allowing you to attach most microscope digital cameras and video systems on the market.The T490B includes a 30-degree inclined 360-degree swiveling, compensation-free trinocular head, a 3-D mechanical stage, and an intensity-variable halogen illumination system. This versatile microscope is also capable of being upgraded with various accessories and attachments listed in the optional section for additional functions. It is a perfect laboratory instrument for clinics, Vets, Doctors, and professional students. Made by the same OEM supplier that provides optical instruments for Leica, Zeiss, Nikon and Olympus, it arrives brand new in a factory sealed box and 5-Year warranty against manuafcturing defects. It retails for more than ,700.

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Tuesday, November 13, 2012

Celiac Disease Biopsy Explained: Part I Villous Atrophy

The diagnosis of celiac disease is confirmed by a characteristic abnormal appearance of the small intestine under the microscope. Flattening of the general finger like projections called villi accompanied by signs of inflammation is taken to indicate damage or injury from the storage protein gluten in wheat and similar proteins in barley and rye. The small intestine biopsy has became the gold thorough for establishing the diagnosis of Celiac disease or gluten sensitive enteropathy. Before 1960 gluten retirement followed by improvement and subsequent worsening upon rechallenge was the diagnostic criteria.

Early in the 1960's through the 1970's the small intestine was biopsied by having people swallow a small metal capsule that was attached to a suction tube. This was used to suction up tissue into the capsule before guillotining off some tissue once the capsule was confirmed to be in the small intestine by x-ray. Now the tissue is obtained by upper endoscopy, the duct of a lighted video scope through the mouth under sedation to the small intestine, where biopsies are obtained with cupped forceps.

Microscope

Celiac disease biopsy: What does the pathologist look for under the microscope?

The small intestine regularly has finger like projections called villi that give it a large face area or experience area for absorption. The villi effect in a shag rug or terry cloth towel type appearance. Lining the face face of each villous are intestinal cells or enterocytes that secrete mucus and discharge fluids, nutrients, minerals like iron, and vitamins like B12. On the face of the enterocytes are digestive enzymes like lactase that discharge lactose or milk sugar. At the base of the villi are crypts or circular like collections of intestinal cells.

Celiac disease biopsy: What is villous atrophy?

Normally, villi are 3-5 times longer than the crypts are tall. However, intestinal injury can effect in blunting, shortening (partial villous atrophy) or faultless loss of the villi and flattening (villous atrophy) of the intestinal surface. The shag rug will have bare spots or the terry cloth towel becomes like a tee shirt. The effect is lack of absorption of nutrients and water resulting in weight loss, malnutrition, and diarrhea.

Celiac disease biopsy: What if the biopsy does not show atrophy or partial atrophy?

If the villi are at least 3 times as long as the crypts are tall then no flattening or blunting of the villi is present and celiac disease becomes more difficult for the pathologist to diagnose without the history or blood test results. However, an increased amount of Iel's (intra-epitheliel lymphocytes) in the setting of a definite definite blood test for celiac, symptoms and especially if supported by presence of Dq2 and/or Dq8 gene pattern, is highly suggestive of celiac disease. The mystery comes when the blood tests for the definite tests are negative or not elevated but only the "non-specific" blood tests (anti-gliadin or Aga and anti-reticulin antibodies) are elevated. Also, some people with milder forms of celiac have no blood tests abnormal but have first-rate biopsy findings of celiac and are termed seronegative (blood test negative) celiacs.

Celiac disease biopsy: Can the biopsy be general in celiac disease?

By definition, the biopsy has been determined the gold thorough for diagnosing celiac. However, modern studies have shown that the biopsy can be general in some people with celiac. How can this be? The pathologist reading the biopsy may account for the biopsy as general based on his or her bias about celiac disease, a failure to appreciate the point of the presence of Iel's, or misuse of the older thorough of >40 Iel's per 100. However, more importantly is the modern recognition that general appearing biopsies may not be normal. Electron microscopy has revealed ultra-structural abnormalities in apparent general biopsies of people confirmed to have celiac disease. Special stains, that contain immune labeling of lymphocytes, have also confirmed increased numbers of definite types of definite lymphocytes in the villi of intestinal biopsies of people confirmed to have celiac. The lowest line is that a general biopsy does not definitively exclude celiac disease or gluten sensitivity.

Celiac diasease biopsy: What are other inherent causes of biopsy changes that mimic celiac disease?

Cow's milk protein sensitive enteropathy (Cmse), viral or bacterial infections, medications (especially aspirin like arthritis medications e.g. Ibuprofen etc), autoimmune enteropathy, Helicobacter pylori infection (the stomach ulcer bacteria), Aids, coarse variable immunodeficiency, and lymphoma of the intestine are all inherent causes of small intestine changes that may mimic celiac. However, if you have first-rate celiac type symptoms, a definite celiac definite antibody (anti-endomysial antibody or tissue transglutaminase antibody) and a definite response to a gluten free diet then celiac is the likely cause. The likelihood is further increased if you carry one or both of the two major genes associated with celiac disease, Dq2 and/or Dq8. Normalization of celiac definite blood tests and the biopsy after a gluten free diet confirms the diagnosis of celiac disease.

Celiac Disease Biopsy Explained: Part I Villous Atrophy

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Monday, November 12, 2012

Human Body Anatomy and Physiology

So you want to refresh your memory about human body anatomy and physiology? Then you have come to the right place. Keep reading to understand the main key points about human anatomy and physiology.

Without additional ado, here are some facts about human physiology and human anatomy:

Microscope

In short, human body anatomy is the study of how we are built, while human physiology is the study of how we function. Anatomy is additional divided into petite anatomy and gross anatomy. Gross anatomy is the study of structures that we can see with our own eyes, and as the name implies, petite anatomy is the study of smaller anatomical structures that we need a microscope to be able to see. The fifteen most leading organ systems in the human body are the nervous system, reproductive system, skeletal system, muscular system, musculoskeletal system, respiratory system, excretory system, digestive system, circulatory system, lymphatic system, integumentary system, urinary system, immune system, vestibular principles and the endocrine system. There are 78 organs in the human body, and they are all made up of tissues. A tissue is a group of cells that together does a definite function. The type of tissues that can be found in humans are muscle tissue, connective tissue, epithelial tissue and nervous tissue. Hippocrates and Aristotle, who lived about 2400 years ago, are often brought up in discussions about who started the study of physiology and human body anatomy. In the 20th century we have advanced a great deal in these areas, as we have come to be much more technically advanced in general, and thus advanced more advanced methods for learning anatomy and human physiology.

Human Body Anatomy and Physiology

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Saturday, November 10, 2012

Great Price AmScope SM-6T-FRL for $529.98


7x-45x Super Widefield Trinocular Articulating Zoom Microscope + Ring Light Overview

This is an articulating stereo inspection microscope that comes with a trinocular 7X-45X stereo zoom head, an articulating arm with clamp and a fluorescent light ring. It offers sharp, crystal clear images and great flexibility. It is a perfect inspection microscopy system. With 30mm SUPER widefield high-eyepoint 10X eyepieces, the microscope gives large zoom magnification range (6.5:1) and large working distance. The light ring provides bright, even and cool illumination. This inspection microscope is great for both industrial and biological applications. It is an ideal instrument for research labs, gemologists, and anyone in semiconductor and electronic industries. This stereo zoom microscope is made by the same technicians and on the same production line as optical instruments for Leica, Zeiss, Nikon and Olympus. It is brand new in factory sealed boxes. Its retail value is above ,800.

7x-45x Super Widefield Trinocular Articulating Zoom Microscope + Ring Light Review



7x-45x Super Widefield Trinocular Articulating Zoom Microscope + Ring Light Feature

  • 7X-45X continuous zoom magnification power on articulating arm
  • SUPER widefield optical system offering crystal clear erect stereo images
  • Articulating arm offering flexibility and covering large working area
  • 4" (100mm) Large working distance
  • Powerful fluorescent ring light with ring adapter

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Friday, November 9, 2012

Great Price AmScope SM-3TZ-80S-9M for $699.98


AmScope 3.5X-90X Stereo Boom Microscope 80 LED Light 9MP Camera Overview

This is a 3.5X-90X digital trinocular stereo microscope with boom stand. It comes with a trinocular head with 30mm SUPER widefield high-eyepoint eyepieces, a heavy-duty boom stand, and an 80-LED ring light with dimmer and a 9.1M color digital camera. The microscope offers crystal clear sharp images, super widefield of view, extremely large magnification zoom range (26:1) and very large working distance (8"). The high-eyepoint optical design ensures an easy and comfortable observation. The color digital camera captures 9.1 Megapixel (3488 X 2616) high resolution microscope images and displays full-screen live video on computer screens. Its built-in reduction lens gives your computer screen the same field of view images as those seen through the microscope eyepieces. With the included user-friendly software, which is compatible with Windows 2000/XP/Vista/7, you can edit microscope images in the same way similar to PhotoShop. You can conduct measurements across images, record videos, share images, and save them in BMP, TIFF, JPG, PICT, PTL and other formats. You can conduct measurements across microscope images, measuring lengths, angles, areas and etc. The boom stand gives your microscope the flexibility to cover large working area. The intensity-adjustable LED ring light provides bright, even and cool light illumination. This microscopy system is an ideal instrument for gemologists, engravers, collectors and anyone in semiconductor and/or electronic industry. It is also a right microscope for biological laboratory applications that require low heat release. This stereo zoom microscope is made by the same technicians and on the same production line that makes optical instruments for Leica, Zeiss, Nikon and Olympus. It is brand new in factory sealed boxes. The retail value of this microscope is ,500.

AmScope 3.5X-90X Stereo Boom Microscope 80 LED Light 9MP Camera Review



AmScope 3.5X-90X Stereo Boom Microscope 80 LED Light 9MP Camera Feature

  • 3.5x-90x large zoom magnification power on flexible boom stand
  • 2-1/2" (65mm) SUPER widefield of view and 8" (200mm) large working distance
  • Powerful 80-LED ring light with dimmer
  • 9MP USB camera capturing still images or streaming live videos on your PC screen
  • Advanced editing, processing measuring software compatible with Windows 2000/XP/Vista/7

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Thursday, November 8, 2012

Check Out 420 Scope 60-100x LED Handheld Microscope


420 Scope 60-100x LED Handheld Microscope Overview

This microscope is a powerful handheld microscope with built in ultra-white LED light. The scopes are great for looking for bugs, molds, mildews, or other pests and diseases. With the ability to zoom from 60-100x you can see the beauty of what you are looking at.

420 Scope 60-100x LED Handheld Microscope Review



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Tuesday, November 6, 2012

12 Creative Photography Ideas

Here are 12 ideas to get your creative juices flowing and growth your skills and value as a photographer.

Tip 1 - Time Lapse photos. I showed my niece how to do this with clay figures and stitch the resulting frames together into a video file, and she was busy for days. If you operate the exposure consistently to keep the images consistent with one another, you can do some in effect fun stop-motion animation. Or, you can set up your camera to capture other slow request for retrial effects such as flowers opening and seedlings growing.

Microscope

Tip 2 - Night Lights. Things look very different at night. Shooting city scenes with available light creates some captivating images. And shooting outdoor images under moonlight or with "light painting", where you open up the camera shutter for an extended exposure, and "paint" your targets with colored or plain light, can create some truly bizarre images.

Tip 3 - Astrophotography. Hook that Slr up to a telescope, and you are ready to peer into the depths of space and time. You'll need some adapters, and capability to compensate for the earth's rotation for in effect long shots. Start with the moon and move on from there.

Tip 4 - Macro photography. From flowers to coins to stamps, you can polish your skills at close-up photography and capture some in effect detailed images. Often a macro lens or close-up attachment will help. See my tips on Flower Photography to get more information.

Tip 5 - Micro photography. If you can interface that camera with a microscope, you can get some in effect crazy images. Or, stack up a bunch of close-up magnification and try your hand at turning salt crystals into surreal imagery.

Tip 6 - insurance Photos. Ok, maybe a bit boring, but you and your friends and relatives will thank you. Take a concentrate hours and touch and photo everything of value, with a full shot or two if each item of value, accompanied by a shot of the identifying marks - maker model or serial number. Then burn a Cd or Dvd and store it off site. If you have a fire or other loss, this could save the owner thousands of dollars.

Tip 7 - house formula book. Anytime those house favorites are prepared, copy down the formula and take some photos of the food. You can produce a printed or electronic cookbook of house favorites that every person will love.

Tip 8 - Stock Photography. This is a very busy market niche, but the cost of entry is low. Specialize in things you love, and you may be able to create some revenue from your stock images. Crusade for stock photography sites, and make sure you understand your proprietary before you post images.

Tip 9 - special Effects. Maybe you want to specialize in high-speed images of athletes, or surrealistic collages. Try your hand at using your editing skills to put person in a soda bottle or floating on a candy lifesaver. Often more artistic than photographic, it will test your composition, lighting and editing skills to come up with believable artificial realities.

Tip 10 - Still Life. Ahh, the bowl of fruit. Sometimes a simple object or collection, properly lit, shot and edited, is a thing of beauty. It's a great way to study light. Start with an egg on a light background, a lamp and a window and see how you can learn about lighting and composition.

Tip 11 - Computer Control. Many cameras have a Usb interface and remote operate software. You can in effect operate the camera from the computer. See if you can get it to work to your liking, and maybe even program some time lapse or exposure bracketing experiments.

Tip 12 - Be Like Andy. Take some images of daily items and try to create those neat colored backgrounds like Andy Warhol used to make. create a 4-up print of the same image and turn the colors of each quadrant to make an captivating square print.

Have fun with these ideas, and let me know when you come to be famous!

12 Creative Photography Ideas

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Monday, November 5, 2012

Koi Carp Diseases

There are any diseases that Koi fish can suffer from and many of them are connected directly to fluctuations in temperatures and extreme weather changes. Koi fish are very susceptible to the cold and tend to fall very ill if exposed to the cold for too long. Broadly speaking Koi Carp disease causes can be classified into five major categories - bacterial, fungal, viral, internal parasites and external parasites. Apart from this there are any environmental factors that can disturb a Koi fish's lifestyle and condition like too much exposure to the sun and sub zero temperatures. Koi fish are generally very strong fish and it does not take much effort to keep these fish as pets. Some diseases among Koi fish take care of themselves but others may cause a lot of issues for the fish and can even be fatal.

A disease known as Ichthyophthirius multifilis causes white spot like formations on the body of the fish. This disease is not graphic to the naked eye but can be seen clearly under a microscope. This disease ordinarily takes over when the immunity of the fish is weak and the surrounding pond climatic characteristic is low. This disease can be fatal but only to smaller fish as the adult fish can fight it off. As far as medicine in concerned, the best way to do away with this disease is to raise the climatic characteristic in the pond.

Microscope

The velvet disease though not very tasteless in Koi can be a source of great hurt for the fish. It is caused by an external toady called as Oodinium which basically attaches itself to the face of the fish ad begins to spread its tentacles until it covers a major part of the skin of the fish. After that it begins to kill off the cells it is nearest to eating away the nutrients from inside. Once that is done, it leaves the fish and begins to multiply, releasing more parasites into the water which have to seek out their own hosts. An entire fish pond can get sick with this type of disease in no time. The most apparent symptom of this kind of disease is a gold dust like formation on the skin of the fish. In many cases this disease causes very tiny puss filled pockets on the skin of the fish that can only be seen through a microscope. These puss pockets cause itchiness and therefore the fish are seen rubbing themselves against objects in the pond.

Koi fish are attacked by worms as well and a very generally found one is the Lernea elegans which can be a very big question for the Koi. These worms attach themselves to the belly of the fish and stay there for about a fortnight causing a lot of damage. The worst thing about these worms is that they reproduce rapidly and also leave the fish with bad gashed in the areas they have infected. Fish that are attacked by these worms have to then cope with the wounds on their bodies getting infected by other bacteria and fungi. Once these worms are spotted, immediate action is necessary otherwise the fish will make manifold problems at one time.

Another type of external toady are the Argulus lice. They are much easier to spot because of their green color and therefore can be nipped in the bud. The question with these lice is that they attach themselves to the fins and the sides of the fish and begin sucking out their nutritional needs. While they are attached, the skin of the fish can experience quite a bit of physical trauma prominent to ulceration and infection.

Koi Carp Diseases

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Sunday, November 4, 2012

requisite Parts of a Microscope

The basic create of the microscope has not changed that much over time. They have evolved, but the basic concept is still the same. There are some key parts that many types of microscopes have in common. All of the parts of a microscope must function properly for the microscope to work well. If one part is substandard, it can render the microscope useless. The major parts of a microscope are the lenses, the arm, the tube, the illuminator, the stage, and the adjustment knobs.

There are two kinds of lenses on a microscope. The eyepiece lens, also known as the ocular lens is at the top of the microscope. This is the part that habitancy look through. The ocular lens is not adjustable on most models. The objective lens provides much of the microscope's magnification. A microscope normally has a few distinct objective lenses that vary in strength. The objective lenses are contained on a circular part located in the middle of the eyepiece and the stage. distinct objective lenses are chosen based on their strength. When someone wants to use a distinct strength of objective lens, they turn the circular disk to put an additional one lens over the stage.

Microscope

Other than the lenses, the other parts of a microscope are the tube, the arm, the stage, the illuminator and the adjustment knobs. The tube connects the ocular lens and the objective lens. habitancy look straight through the ocular lens and tube and see out of the objective lens at the bottom. The arm connects the lenses and the stage. It protrudes to the side and provides a handle to carry the microscope as well. The stage is where the object is located for examination. Stage clamps regain the microscope slides to the stage. The microscope slides include specimens such as blood or other liquids. The illuminator is below the stage. This part provides light to make the specimen easier to see. The illuminator is whether an actual light or a mirror.

Most microscopes highlight two adjustment knobs to help focus the lenses. The coarse adjustment knob is the larger of the two and brings the lens and the stage closer together. The fine adjustment knob is smaller and is used after the coarse adjustment knob to contribute any small adjustments to bring the item into sharp focus.

These parts of a microscope are coarse to nearly all models. Some microscopes use slightly distinct parts. For example, electron microscopes use electron beams instead of illuminators.

requisite Parts of a Microscope

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Saturday, November 3, 2012

The History of the Microscope

The first microscope was created hundreds of years ago. In the passing centuries, microscopes evolved into powerful, spoton tools that allow scientists to view tiny objects at a level of information that seems unreal. There are a wide array of ready microscopes, from the aggregate microscopes commonly found in high school science classrooms to distinguished scanning tunneling and electron microscopes used by Nobel Prize winners.

Most historians agree that two Dutchman made the first microscope in 1590. Zaccharias Janssen and his son Hans were two eyeglass makers who experimented with putting manifold lenses together in a tube. They found that objects under the tube were greatly enlarged. Over the next hundred years, scientists Robert Hooke, Anton van Leeuwenhoek, and others supplementary refined the work of the Janssens and used microscopes to gawk insects, blood, and other items. Scientists have prolonged microscopes into the present day. Now, microscopes can show tiny particles that are unseen by the naked eye in extremely exact detail.

Microscope

Microscopes operate on several principles. Most tasteless microscopes have two different lenses. Viewers look through the ocular lens, also known as the eyepiece. There is someone else lens, called the objective lens at the end of the ocular lens. The objective lens is a sphere shaped lens placed above the stage of the microscope. population place the object they want to gawk on the stage and can adjust the lenses to bring the object into focus. Most microscopes have an adjustment knob for tasteless focus and one for fine focus. Many microscopes have several objective lenses with different strengths for users to pick from. The lenses are arranged on a circular platform that can be rotated to have the different lenses put into place under the ocular lens. Microscopes also need a light source of some kind underneath the stage. Most market microscopes have a light bulb, but many high-end microscopes use lasers or electrons for illumination.

Microscopes have been used to make countless vital scientific discoveries. They are invaluable tools used in a collection of scientific fields that enable researchers to make discoveries that would be impossible with the naked eye.

The History of the Microscope

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Thursday, November 1, 2012

Welding Microscopes

Micro welding or micro-dimensional welding is a widely used and approved process in today's industry. The process is carried out under a welding microscope which helps to weld small areas with maximum accuracy.

Welding microscopes are specially designed to offer great operate of part positioning and welding placement. They are provided with fine internal crosshairs, which helps to align the hardware element and the filler at the exact position. The weld speed of small welding can range in the middle of 10 and 30 inches/minute. In laser micro welding, the microscopes help to focus the laser beam at a exact point.

Microscope

There are many advantages of using microscopes in welding. small welding often results in a low-distortion and definite joining process. It can also minimize contamination of the web joint. The small images of welding can be captured by connecting the welding microscope to a video or photo camera using a photo-adapter. The microscope can also be plugged into a computer to report and process the images.

Almost all the laser welding systems come with in-built microscopes. Usually, a high capability stereo microscope - with a magnification factor fluctuating in the middle of x16 and x25 - is used. It offers clear viewing for definite welding. An optional angle microscope can also be used.

Many models of micro welders are also available, which use low-amp welders and welding microscopes. The welders can be located on the desired location of the weld, without affecting the shape or size of the material. Micro welders are mainly used for precision welding of jewelry. Some micro welders can be used to heal molds such as plastic injection molds, die cast molds, and rubber processing molds.

Welding Microscopes

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