Q: Define the sub coating technique
A: Tablets solid formulations that undergo several modifications in the body. So, to decrease the loss…
Q: Is it possible to perform double or triple staining using fluorescent dyes? Explain
A: For both membrane and soluble proteins, fluorescent dyes are increasingly being utilized to monitor…
Q: When is fluorescence used in a clinical laboratory?
A: Fluorescence is a type of photoluminescence where light is absorbed by an excited molecule or atom…
Q: When viewing the capsule stain, why do the capsules appear colorless? Explain
A: According to guidelines we have to answer the first question only. so please kindly post the…
Q: If you run the Lugol's test on an unknown solution and you get a black color at the end, what does…
A: The use of Lugol's iodine reagent is used to differentiate starch and glycogen from other…
Q: Record which pole the dyes traveled to by using a (+) for positive and (-) for negative pole. Hint:…
A: Staining is a technique in which the substances observed are being made visible to the eyes. In gel…
Q: Explain the occurrence in which isolated peaks are formed in a characteristic x-ray spectra result.
A: X ray spectra: the spectrum that is obtained by emission of x rays which are diffracted by a crystal…
Q: Crystal violet is an example of what type of stain?
A: A stain is used to clearly view a specimen under the microscope. For staining, a smear of the…
Q: Explain the mechanism of staining for each of the stains used. Iodine Methyl green Nigrosin
A: The living cells can be seen under a microscope. The cells is not visible properly as it is…
Q: What are the underlying physical principles of paper chromatography? What is spectrophotometry, the…
A: Analysis of different compounds quantitatively and qualitatively is an important aspect of research…
Q: Explain and define cold gelation.
A: Gelation (gel transition) is the formation of a gel from a system with polymers. Branched polymers…
Q: How would you determine the contents of the test tubes if all of the samples were transparent?
A: The study of chemical reactions that occurs within living organisms is called biochemistry. This…
Q: Why is the wavelength of the light that is released in spectrophotometric analysis longer than the…
A: Some molecules absorb light at a particular wavelength and emit light in higher wavelength and this…
Q: It is possible to make a perfectly precise measurement?Explain.
A: Perfectly precise measurement can be achieved only in theory and not observed in all the…
Q: In the Ziehl-Neelsen acid-fast stain, what is the mordant?
A: bacteria like Mycobacterium and Nocardia and the apicomplexan Cryptosporidium are not stained…
Q: Do zwitterions interfere with the different color reaction tests?
A: A molecule with a charge of zero and at least two functional groups, one positive and the other…
Q: Differentiate between negative and positive staining, givingexamples.
A: These are the staining methods that are used to see bacteria under a microscope.
Q: Why are basic dyes more effective for bacterial staining than acidic dyes? State two ways that can…
A: According to the guidelines we have to answer first 2-3 question rest you can ask separately thank…
Q: Write the procedure for celloidin embedding.
A: Hi! Thanks for your question. But as you have posted multiple questions, I am answering the first…
Q: What is alkaline reversion? Explain why this condition gives a false negative result
A: The microbes that affect the intestine of an individual are referred to as enteric pathogens. The…
Q: How are negative stains prepared?Name two applications for which this type of stain especially…
A: Negative staining is defined as a method of demonstrating the type of small objects (like bacteria)…
Q: Why is a blank used in the spectrophotometer before the actual pigment is tested?
A: spectrophotometer is a device used in spectral analytical techniques like UV spectroscopy , in which…
Q: hat Is Polychrome Methylene Blue?
A: Methylene blue is a popular dye that allows us to glimpse microscopic life in vibrant colors. Before…
Q: What is the use of color reaction tests for proteins in diagnosing diseases? Give an example too!
A: Diagnostics, which can diagnose illness, disorders, or infections, is quickly becoming a critical…
Q: Can colorless samples be analyzed using a UV-Vis spectrophotometer? Yes or No or Maybe?
A: UV-Vis Spectroscopy It is defined as a quantitative technique that is used to identify the…
Q: Why is UV light used in Column chromatography experiment ?
A: A chromatography procedure used to separate a single chemical compound from a mixture is known as…
Q: During the denaturation of egg white using Heat, Salt, Baking soda, Lemon juice, and Alcohol, what…
A: when denaturaton of egg white is done using any of these (Heat, salt, baking soda, lemon juice or…
Q: Explain the principle of the isoelectric focusing electrophoresis method and what it is used for.
A: Proteins are defined as the biological molecule that are produced by the building blocks amino…
Q: why steroids do not show luminescence on thin layer chromatographic plates?
A: Infrared absorption spectroscopy also stated as IR spectroscopy is one of the most valuable…
Q: In extraction of albumin in egg white using 100-ml water, what does albumin look like? Also, what do…
A: In extraction of albumin in egg white and placed in water some reactions are occur..
Q: Give three situations where the negative staining procedure would be used.
A: Negative staining is a specimen preparation technique that requires an acidic dye such as India Ink…
Q: Equation involved in Molisch test
A: Molisch's test is the qualitative test that is used to detect the presence of carbohydrates such as…
Q: What is an electron micrograph? Why do electron micrographshave greater resolution than light…
A: Microscope helps to observe the organisms or objects that cannot be seen by our naked eye because…
Q: Does it enhance the meaning of work using Titan 80-300 Cubed Microscope?
A: Titan 80-300 Cubed microscope is one of the most advanced and powerful electron microscopes. It has…
Q: What is the pH of bleach?
A: pH is the measure of the acidity or basicity of a solution. pH can be defined as the negative…
Q: define the term multicolor banding,
A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…
Q: Explain why is absorption used for studying the dyes, while fluorescence is used for studying the…
A: The investigation of various fundamental processes in the subject of life sciences relies on the…
Q: What is the purpose of Biuret’s test? In biuret’s test, does the color in each test tube containing…
A: There are different biomolecules, including carbohydrates, protein, lipids, etc., are present. The…
Q: Define micelle
A: The plasma membrane of cell or cell organelles is composed of the lipid bilayer. The lipid bilayer…
Q: The Duquenois-Levine test is a valuable color test for
A: We can say that, In a forensic chemical analysis of an unknown material, the analytical method is to…
Q: Explain the importance of steam during the acid-fast staining procedure. Discuss the advantages of…
A: Some microbes and their structure are very difficult to be observed under the microscope . So , for…
Q: How can the thickness of the smear affect the staining procedure?
A: Smear can e defined as the spread of cells in a layer to observe it under microscope. Since, cells…
Q: The Duquenois–Levine test is a valuable color test for___________.
A: In a forensic chemical analysis of an unknown material, the analytical method is to narrow down the…
Q: Name two fixatives used in staining?
A: Histology is the study of ultrastructure of tissues using thin sectioning techniques like microtomy,…
Q: Write the procedure for celloidin embedding
A: Answer: Celloidin = It is basically the semisolid solution of pyroxylin in ether or alcohol, which…
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