Antibody

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    Anaphylaxis; is a serious allergic reaction that can rapidly onset the body and may cause death (Wikipedia). The first time eat t0he upsetting food, your immune system responds by creating specific disease-fighting antibodies called immunoglobulin. When you eat the food again, the immunoglobulin antibodies spring into action, by discharging ample amounts of histamine in an effort to banish the "foreign trespasser" from your body. Histamine is a powerful chemical that can affect the respiratory…

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    Anaphylactic disorder is one of the end result of immediate (Type I) hypersensitivity reaction. It starts when antigen (bee sting as in the patient’s case) binds to IgE antibody on the surface of mast cells that result of systemic release of vasoactive amines and other mediators from mast cells. The presence of IgE antibody indicate that this is not the first exposure to this antigen. The mast cells have a specific receptor for the Fc portion of IgE called FceRI (a high-affinity receptor). When…

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    Immunocytochemistry (ICC), which this lab is based on, is commonly used as a laboratory technique to anatomically observe the location of a specific protein or antigen in cells by the use of a specific primary antibody that binds to it. A staining reagent or chromagen is used to help detect certain proteins used in this experiment, called 3,3'-Diaminobenzidine (DAB). 3,3'-Diaminobenzidine (DAB) DAB, a derivative of benzene, is an organic compound, which is both chemically and thermodynamically…

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    3. Why a malaria vaccine is required? When microorganism enter the body, the immune system fight these foreign antigens by production of T or B-lymphocytes that produces antibodies, which effectively neutralize foreign invaders. Human body take several days to produces antibodies, while microorganism attack and multiply in the body and produce serious illness before immune system can fit back, this is a reason behind the vaccine manufacturing and development (CDC, 20175; Sarkander et al., 2016;…

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    Coombs Test Lab Report

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    an immune response (1). Antibodies and antigens found in our immune system is done by immunoassays (2). The majority of immunological tests are based on the adaptive immune system. Substances recognized by our immune system are antigens. Injections are done by a trained health care professional to test for an immune response. The antibodies work together to fight antigens. Immunologists can inject antigens into the body and observe the reactions. Out of the five antibodies, IgG and IgE are most…

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    There are few obstacles on this earth that everyone can relate to, and will encounter at one point or another in life, and stress is one of these obstacles. Sure, the source of the stress will vary from person to person, but in the end, everyone will have countless amounts of stress in their lifetime. Stress is an issue that effects a person, both mentally and physically, and takes an enormous toll on the human body. This paper will discuss how the immune system functions, how stress is directly…

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    Essay question 3 1) Explain why a person with type O blood is referred to as the “universal donor”, yet can receive blood only from other individuals with type O blood The universal blood type is blood containing A, B, and Rh antigens, this type of blood is known as type O negative. Individual con this kind of blood are consider an important blood donor because their blood can be donated to people of any blood type (Science 0nline, 2009). Blood types is an important achievement of Karl…

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    Toxoplasmosis

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    indirect fluorescent antibody (IFA) technique, and immunosorbent agglutination assay (ISAGA). The Sabin-Feldman dye test, however, is the gold standard immunological assay. In the Sabin-Feldman dye test, the patient’s serum is treated with both live T. gondii organisms and methylene blue dye. If the patient has been previously exposed to T. gondii, antibodies will be present in the serum that will lyse the live T. gondii, leaving them clear (positive result). If no antibodies are present,…

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    Type B Blood

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    An infant is born to two parents. The father has type A blood and the mother has type B blood. A sample of the infant’s blood is sent for blood typing. When the infant’s blood is subjected to forward typing, there is no agglutination. When back-typing is performed, the infant’s serum causes agglutination with both type A and type B RBCs. Which of the following is the most likely interpretation of these results? A. The infant has type A blood. B. The infant has type AB blood. C. The infant has…

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    Laboratory Diagnosis Essay

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    Presence of anti-dengue antibodies inhibits agglutination of RBC. Paired sera are obtained during acute phase and convalescent phase of the dengue with a time interval of more than seven days. In primary infection, the acute-phase serum has low level of antibodies and will later have gradual elevation of HI antibody titres. In secondary infection, there is a rapid rise in HI antibody titres, normally going beyond 1:1280. Prevention and control • Public…

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