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- What other test can be used to confirm the results obtained in this ELISA test? Name and very briefly describe one other test. Give the reason for your choice.Give the full form of ELISA.which disease can be detected using it?Discuss the principle underlying the test.which of the following are necessary to run a valid elisa test?
- A. Prepare a diagram with labels showing the similarities and differences among the four major types of ELISA based on their capture and detection systems. A1. Give at least one clinical application for each type of ELISA. B. What is the purpose of adding horseradish peroxidase, alkaline phosphatase, and their respective substrates?1. You are asked to make 150 ml of 2% agarose using a well-known buffer. How many grams will be used? a) 0.03 g b) 0.3 g c) 3 g d) 30 g 2. Place the following reactants in their proper order for the indirect ELISA test 1 = enzyme-linked antibody 2 = known antigen 3 = patient serum 4 = substrateConjugated enzymes are a key component of ELISA. To what are these enzymes conjugated, and why is that important? To the antigen so the enzymes are only present when the molecule of interest is also present To the plastic of the reaction well so the enzymes can concentrate the molecule of interest To the capture antibody so the enzymes are only present when the molecule of interest is also present To the detection antibody so the enzymes are only present when the molecule of interest is also present
- Serial dilutions are made in order to determine the level of the antibody in the sample. True or False ?Counterstaining with Hematoxylin and Eosin is an important step in which of the following techniques? ELISA Gel Electrophoresis IHC Western blottingAn ELISA test is useful for detecting the presence of antigens but not antibodies in a sample. true or false
- A thyroid peroxidase antibody test was performed on a 45 year old man. The dilution sequence was 25 microliters serum to 100 microliters of diluent in tube 1. Then 25 microliters from tube 1 was added to 25 microliters of diluent in tube 2. Then 25 microliters from tube 2 was added to 50 microliters of diluent in tube 3. What is the dilution factor of tube 1. What is the dilution factor in just tube 2. What is the dilution factor in just tube 3. What is the overall dilution factor in tube 3.ELISA requires the use of blocking solution; what is the purpose of the solution?What are the ordered steps of an ELISA protocol? A. Add primary antibody->wash-> Bind sample to a surface ->Add substrate ->Add secondary antibody-enzyme conjugate ->wash B. Bind sample to support -> Add substrate -> Add primary antibody -> wash -> Add secondary antibody-enzyme conjugate -> wash C. Bind sample to a surface -> Add primary antibody -> wash -> Add secondary antibody-enzyme conjugate -> wash -> Add substrate D. Add secondary antibody-enzyme conjugate -> wash -> Add primary antibody -> wash -> Add substrate -> Bind sample to surface