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What are the advantages and disadvantages of Nasopharyngeal Swab Test through Reverse-Transcriptase Polymerase Chain Reaction?
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- 1) What are you testing in the picture above? 2) How would you interpret this test? 3) What is the basis for this type of test?what are some advantages to using latex particles instead of blood cells for IM assay?What is the principle behind Liebermann-Burchard test? And What is the clinical significance of Liebermann-Burchard test?
- Explain how PCR/OLA (polymerase chain reaction/oligonucleotide ligation assay) can be used in the diagnosis of sickle cell disorder . Would you recommend this method for routine diagnosis of sickle cell disorder? ExplainWhat is the purpose of using Triton X in hemolytic assay.What are the differences between “O” and “H” antigen? Differentiate Widal from Weil-Felix test. The strains of Proteus vulgaris are used in Weil-felix reaction. Explain why.
- what is the principle of ELISA? What is the procedure of direct and indirect ELISA and what is the purpose of each variant in clinical diagnosis?What is the purpose of conducting a modified Furter-Meyer Test? What is the principle behind this test? How could you identify the positive result for this test?which combination of tests would be the most reliable and practical in diagonsing an HIV infection? a)Elisa, Oraquick adance b)P 24 antiboy, Western blot c)Bombo Antigen/antibody quick test, PCR testing d)oraquick advance antibody test, ELISA e) Western blot, PCR testing
- What are the advantages and disadvantages of agglutinationtests versus fluorescent antibody assays? How are the latter usedto identify specific cells in complex mixtures, such as blood?What is a recombinant DNA vaccine? List two such vaccines. State their advantages.I understand that microarrays are being used to define the molecular abnormality and the prognosis in some patients with leukaemia. What are microarrays?