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Transmission Electron Microscope
A Transmission Electron Microscope (TEM) utilizes energetic electrons to provide morphologic, compositional and crystallographic information on samples.…
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MICROSCOPE IMMERSION OIL EXPLAINED
WHY USE MICROSCOPE IMMERSION OIL? When light passes from a material of one refractive index…
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Resolving Power
The resolving power of an objective lens is measured by its ability to differentiate two lines or…
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Numerical Aperture and Resolution
The numerical aperture of a microscope objective is a measure of its ability to gather…
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Laboratory diagnosis, treatment and prevention of Corynebacterium diphtheriae
Specimen Dacron swabs from the nose, throat, or other suspected lesions must be obtained before…
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Direct Microscopic Counts
Studies involving the analysis of materials including food, water, milk, and, in some cases, air…
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Phase-contrast Microscopy
Phase-contrast Microscopy Unstained living cells absorb practically no light. Poor light absorption results in extremely…
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Simple Microscope- Principle, Instrumentation and Applications
The optical microscope, often referred to as the light microscope, is a type of microscope that uses visible light and a…
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Fluorescence Microscope- Principle, Instrumentation, Applications, Advantages, Limitations
A fluorescence microscope is an optical microscope that uses fluorescence and phosphorescence instead of, or…
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Electron Microscope- Principle, Types, Components, Applications, Advantages, Limitations
An electron microscope is a microscope that uses a beam of accelerated electrons as a source of illumination.It is…