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Write an essay writing.
Topic: The World Health Organization (WHO) has provided Emergency Use Authorization for a small number of Antigen (Ag)-based Rapid Diagnostic Tests (AgRDTs) to be used in specific circumstances for the diagnosis of COVID-19 infection. Using ONE example, explain how such a test works. Discuss its advantages and disadvantages.
List and explain 2 precautions that you need to take while performing the membrane filtration test.
What other samples (apart from water) can be tested using this method; name 4 samples/products?
What selective-differential media can be used for one-step detection of the following pathogens from water samples using the membrane filtration technique:
- Coliforms
- Salmonella
- Pseudomonas
The standard pore size of filter paper used for microbiological analysis of water is 0.45 micron. Why is this the most popular choice?
Teeth shaped structures on the moss capsules specialized to enhance spore discharge
