'Negative staining' diaporamas de présentation

381 PHT Lab #2

381 PHT Lab #2. STAINING. Staining of Bacteria. Bacteria cells are almost colorless and transparent A staining technique is often applied to the cells to color them ? Their shape and size can be easily determined under the microscope. Principle of staining.

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Chapter 3

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Chapter 3

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Medical Microbiology Unit 4

Medical Microbiology Unit 4. Structure/Behavior of Bacteria Conditions Needed for Bacterial Growth Tools of the Laboratory. Bacterial Structure. Prokaryotic Cell External Appendages Flagella Pili Fimbriae Glycocalyx Capsule, slime layer Cell Envelope Cell wall Cell membrane

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Transmission Electron Microscopy

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Transmission Electron Microscopy

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Indirect (negative) staining

Indirect (negative) staining. Most biological materials show little contrast with their surroundings unless they are stained. In the case of light microscopy, contrast can be enhanced by using colored stains which selectively absorb certain wavelengths. Indirect (negative) staining.

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