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What is the difference between Wright stain and Giemsa stain?
The Wright stain is a combination of eosin and methylene blue dyes, while Giemsa stain is a mixture of eosin, methylene blue, and azure dyes. Giemsa stain is commonly used for staining blood smears to visualize parasites and bacteria, while Wright stain is used more for general cell morphology in blood and bone marrow specimens.
When is Negative stain used?
Negative stain is used in electron microscopy to visualize the outer surface of specimens, as the stain does not penetrate the sample. It is particularly useful for observing the morphology and arrangement of bacterial cells and flagella.
What does the stain on a wet mount slide do?
The stain on a wet mount slide helps to enhance the visibility of structures or organisms present on the slide by adding contrast. This allows for easier observation and identification of the specimens under a microscope.
What specimen from a TB patient would the acid fast stain be performed on?
The acid-fast stain is typically performed on sputum samples from TB patients to detect the presence of Mycobacterium tuberculosis. Other specimens that can be tested include bronchial washings, bronchoalveolar lavage fluid, and tissue biopsies.
What blood specimens need to be chilled?
Blood specimens that need to be chilled include those collected for testing electrolytes (such as potassium, sodium), arterial blood gases, ammonia, and lactate. Chilling helps preserve the integrity of these analytes before testing.
Why do you stain specimens?
If you mean specimens to look at under a microscope - it is because you have to shine a light underneath the slide. You can see more detail of the cells and other features if there is staining.
Why you stain specimens?
If you mean specimens to look at under a microscope - it is because you have to shine a light underneath the slide. You can see more detail of the cells and other features if there is staining.
Are fixed smears of specimens required in order to perform the Gram stain and endospore stain on the specimen?
Yes, fixed smears of specimens are required to perform both the Gram stain and endospore stain. Fixing the smear allows the cells to adhere to the slide, preventing them from washing away during the staining process. Additionally, fixation helps preserve the cellular structure, which is essential for accurate staining and observation of the bacteria's characteristics.
What is the difference between Wright stain and Giemsa stain?
The Wright stain is a combination of eosin and methylene blue dyes, while Giemsa stain is a mixture of eosin, methylene blue, and azure dyes. Giemsa stain is commonly used for staining blood smears to visualize parasites and bacteria, while Wright stain is used more for general cell morphology in blood and bone marrow specimens.
What are the chemical called that are sometimes used to make the specimens visible?
The general term is 'stain' of which there are several chemicals that can be used, depending on the specimen.
How do you remove liquid fire stains from your sink?
You will need to paint the stain with a pickling gel. It is very rough, but it will get the stain off.
What is a sentence for specimens?
In science class, we looked at many different types of specimen.
Why was iodine used to stain water specimen?
Iodine is used to stain water specimens for microscopic observation because it highlights structures like starch grains or cell walls. This makes it easier to visualize and study these structures under the microscope.
When is Negative stain used?
Negative stain is used in electron microscopy to visualize the outer surface of specimens, as the stain does not penetrate the sample. It is particularly useful for observing the morphology and arrangement of bacterial cells and flagella.
What does the stain on a wet mount slide do?
The stain on a wet mount slide helps to enhance the visibility of structures or organisms present on the slide by adding contrast. This allows for easier observation and identification of the specimens under a microscope.
How much stain do I need for my fence?
To determine how much stain you need for your fence, calculate the square footage of the fence surface and refer to the stain manufacturer's coverage guidelines. Multiply the square footage by the recommended coverage rate to find the amount of stain needed.
Chemical sometimes used to make the specimen visible?
A common chemical used to make specimens visible under a microscope is a stain, such as hematoxylin and eosin (H&E) stain. Stains help highlight specific structures or components within the specimen by binding to specific molecules and increasing contrast. This allows for better visualization and analysis of the specimen's characteristics.
