Q: Methyl red test Does a Phenol red organism have to be methyl red?
A: It is required to find if the Phenol Red organisms are also Methyl Red in the indicator tests.
Q: Is Bacillus cereus negative or positive for methyl red, and Voges-Proskauer tests?
A: The methyl red (MR) test detects whether bacteria can ferment the glucose or not. It detects the…
Q: What test requires inoculation of rabbit serum?
A: The formation of clot in the plasma indicates coagulase production. Coagulase is a protein enzymes…
Q: ELISA is used to detect viruses where the key reagent is?
A: Immunoassay is a technique that has the capability to detect even minute quantities of antigen or…
Q: Why do you coat the elisa plate with albumin?
A: ELISA It is enzyme linked immunosorbent assay. It is a common and powerful technique used for…
Q: On the four compounds testes for antibacterial activity using agar well diffusion assay, a. Which…
A: Antibacterial is an activity performed by any chemical or other compound through which it will the…
Q: What is the difference between Benedict and Barfoid's test?
A: Both Barfoeds and Benedict’s solution are made from same ingredients. But their capabilities are…
Q: If you wanted to make an assay detecting SARS-CoV-2 virus presence, like the assay shown in the…
A: In the sandwich ELISA, two antibodies called matched antibody pairs, which are specific for…
Q: Why is the ELISA test used to screen human serum for the AIDSvirus, while the Western blot procedure…
A: Answer: Introduction: The human immunodeficiency viruses (HIV) are the type of a subgroup of…
Q: Vivid outline and Standard operating procedure of Viral hemagglutination inhibition test.
A: Hemagglutination inhibition test This assay was developed by George Hirst for quantifying the…
Q: What is the label used in ELISA? Can we use different label? Why, or why not.
A: Answer
Q: Explain the statistical findings regarding the lateral flowimmunochromatographic assays sensitivity…
A: The lateral flow test is one of a simpler immunochromatographic method that confirms the absence or…
Q: If you had cultures of B. subtilis and E. aerogenes and forgot to label them, which of the following…
A: Some bacteria produce indole by deamination of amino acid tryptophan and shows positive indole test…
Q: What is MODIFIED ALLEN TEST?
A: Blood is an important fluid tissue that is used to transport nutrients and oxygen to all parts of…
Q: WIDAL TEST Principle: The test depends on the ability of antibody in the patient’s serum to…
A: Typhoid is spread through contaminated food and water and results in typhoid fever. Organs such as…
Q: e principle immunoturbidimetric C3 assay
A: Complement C3 is a blood test that determines how active a specific protein is. The complement…
Q: ELISA METHOD Without using a Western Blotand platereader, how can you tell a positive result from a…
A: An ELISA test detects immunological responses in the body by using immune system components (such as…
Q: ELISA requires the use of blocking solution; what is the purpose of the solution?
A: The enzyme-linked immunosorbent assay captures target antigens (or antibodies) in samples using a…
Q: Explain in your own words how bacteria are grown to form the sample for the antibiotic resistance…
A: Antibiotic resistance The term antibiotic resistance is made up of two words i.e. resistance(ability…
Q: The VP test is a confirmatory test. In what situations would this test be utilized?
A: The bacteria is the unicellular prokaryotic organism that maintains a definite shape since it…
Q: What are the advantages and disadvantages of Nasopharyngeal Swab Test through Reverse-Transcriptase…
A: A nasopharyngeal swab(NPS) is a clinical test method which collects test sample from nasal…
Q: How do eosin-methylene blue (EMB) agar plates work? What organism(s) are they designed to detect?…
A: Several tests are performed in the laboratory in order to detect several bacterial agents as well as…
Q: in most probably number (MPN) testing what media is used for confirming test and what does a…
A: The Most Probable Number (MPN) is a method for estimating the concentration of viable microorganisms…
Q: Is tripple sugar iron test a efficient test for unknown intestinal bacteria?
A: Triple sugar iron agar is a differential medium that contains lactose, sucrose, a small amount of…
Q: raw stages of Elisa
A: ELISA stands for enzyme-linked immunosorbent assay. It is an assay technique used for detecting and…
Q: Which test require a straight line inoculation? Choose all that apply
A: Answer: STRAIGHT LINE TECHNIQUE : It is the streaking technique of bacterial colony over the agar…
Q: 1.What does the “s” in HBs stand for? What other antigens are present in HB? 2. The presence of IgM…
A: Hepatitis is a systematic disease that causes the liver immflamantation which could be viruses,…
Q: What is the proper way of Modified Allen test?
A: Allen test are the tests used to assess the arterial blood supply of the hands. This test is used…
Q: State the principle of the antiglobulin test. Differentiate monoclonal from polyclonal and…
A: Antiglobulin test is also known as Coombs test, is used to test antibodies that stick to the RBC and…
Q: Which test require a straight line inoculation? Choose all that apply. A) Bile esculinase B) NaCl…
A: Inoculation is a form of immunisation that involves the introduction of an infectious material onto…
Q: Serial dilutions are made in order to determine the level of the antibody in the sample. True or…
A: Immune system is system which helps our body to fight against the foreign substances which will…
Q: Explain the limitations of the ELISA for HIV testing. What might cause a false positive result? What…
A: ELISA stands for "Enzyme-Linked Immuno-Sorbent Assay". It is a technique used to identify viral…
Q: Among these protein assays, which is appropriate for solutions with high protein concentration or…
A: Protein assay is a quantitative analytical technique. It is carried out to determine the amount of…
Q: method belong based on what it measures? * Determining whether an antibody specific for an Influenza…
A: Microbes are small unicellular organisms that are usually responsible for causing the disease. For…
Q: What biochemical tests did we use to distinguish staphylococci from streptococci?
A: Staphylococcus and streptococcus both occur in cocci shape and both are gram positive organisms.…
Q: You do a viral plaque assay using the six well plate shown below. The dilution scheme, what was…
A: The ideal plaque should be between 10 and 50. The plaque count is 11 in B1. Volume plated=…
Q: Between Bacillus megaterium, Bacillus sphaericus, and Bacillus subtilis which are positive or…
A: The VP test detects organisms that utilize the butylene glycol pathway and produce acetoin. It…
Q: You are tasked with measuring the quantity of prostate specific antigen (PSA) in a urine sample…
A: Introduction: ELISA stands for Enzyme Linked Immunosorbent Assay. It is a commonly used laboratory…
Q: Describe the step-by-step procedure for preparing a thick and thin smear to test for malaria.
A: Malaria is a vector-borne disease that is caused by the parasite Plasmodium. This disease is…
Q: Anita suspects she might have had Covid-19 about four months ago. Currently, she has no symptoms.…
A: COVID-19 is an infectious ailment due to SARS-CoV-2 virus. Over the route of the Covid-19 crisis,…
Q: The total number of cells in a culture is counted using the trypan blue exclusion assay and is found…
A: Dilutions are used in microbiology to reduce bacterial concentrations to a needed concentration for…
Q: What is similar about this test and the TSIA test?
A: SIM medium is used to check different parameters such as Sulphur Reduction, Indole Production,…
Q: What are the best characteristics of an antibiotic to be used for antibiotic susceptibility test?
A: Antibiotics are the class of drugs that show antibacterial property against certain strains of…
Q: How reliable are Lateral flowimmunochromatographic assays when compared to molecular diagnostic…
A: COVID-19 is a respiratory disorder caused by a novel coronavirus (SARS-CoV-2). The genetic…
Q: list the advantages and disadvantafes of latex agglutinaton(LA) and gelatin particle agglutination…
A: Advantages of Latex Agglutination technique: It takes relatively short time to obtain results.…
Q: Outline the principle behind the following techniques:…
A: Immunofixation is an immunological technique that involves antigens and antibodies. Southern blot is…
Q: ELISA METHOD What are the names of the four major types of ELISA?
A: The enzyme-linked immunosorbent assay (ELISA) is a molecular technique by which we can detect and…
Q: What single test differentiates Staphylococcus aureus from other species of staphylococci? What is…
A: Staphylococcus aureus is present on human skin and anterior nares along with other mucous membranes.…
ELISA TEST WOULD PROVIDE ME THE PRESENCE OF ANTIGENS FROM THE INFLUENZA A VIRUS?
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- Why is the ELISA test used to screen human serum for the AIDSvirus, while the Western blot procedure is used only as the confirmation test?In not more than 100 words, What antigens/strains are used for the Weil-Felix test, and from what bacteria are they from respectively?If PBR323 is used instead of PUC18, is blue white screening applicable? Justify your answer.
- Name three reasons why the ELISA test is useful in detecting microbesWhat are the advantages and disadvantages of Nasopharyngeal Swab Test through Reverse-Transcriptase Polymerase Chain Reaction?a) did the positive and negative controls work correctly in this ELISA? Explain. B) in the sample wells( wells3-7) some are darker blue than others. Explain what happened here and how you'd interpret the results?
- True or false? Codes 90476-90748 identify the vaccine product only.Why does the antibody titer determination use twofold dilutions ofthe antiserum rather than 10-fold dilutions?Counterstaining with Hematoxylin and Eosin is an important step in which of the following techniques? ELISA Gel Electrophoresis IHC Western blotting