Medical science advances at an astonishing pace on all fronts. The area of diagnostics is one particular field where great efforts are made to devise tests and procedures that can help doctors to diagnose diseases quicker and more accurately. This is important because successful treatment often depends upon an early diagnosis. ELISA kits, for example, have empowered doctors to efficiently detect a wide range of diseases.
This revolutionary technique, also known as EIA, or enzyme immunoassay, is conducted in a laboratory. It is used to determine the concentration of antigens or antibodies in a specific sample. The presence and concentration of antibodies is an important indication of the presence of a variety of medical conditions. The test is extremely popular because it is easy to do and many different tests can be processed at the same time.
The ability to identify the presence of either antibodies or antigens in the body is very important. This is because antigens are known to be harmful substances. As soon as the body recognizes the presence of antigens, it starts to produce antibodies to neutralize the harmful antigens. When either of these agents is present in a sample, the existence of a disease can be deduced logically.
Patients need not fear this simple test. It only entails the drawing of a small blood sample. This sample is then added to specific antigens in a petri dish. If there is a reaction between the blood sample and the antigen, then the presence of antibodies is confirmed. In fact, the antibodies will combine with the antigens. By adding enzymes it is possible to determine the amount of the antibodies in the sample.
Diagnosticians can get a lot of information form even the most basic EIA test. However, there are several versions or formats of the test and some are much more complex. The direct EIA, for example, requires that the antigen is screened with a multiwall coat. This makes it more difficult for the antibody to recognize the antigen. A result can only be obtained if the antibody is joined with a specific enzyme.
Another important variant of EIA is the indirect test. In this case two stages are engineered by covering the antigens in polystyrene plates. This is done to achieve increased sensitivity. Antibodies are introduced in primary and secondary stages. The test can produce multiple results which means that is saves cost and time. In many cases this test, which is more elaborate, eliminate the need for more tests.
The EIA sandwich test is considered to be suitable for complex samples, especially because the sample does not need to be purified prior to measurement. In this test antibodies are made up in pairs and compared with each other. The test is often done when both direct and indirect detection methods are required. It is an extremely accurate test and is done when serious diseases are suspected.
When all is said and done it is still the early diagnosis of a disease that provides the best chance of recovery and successful treatment. That is why tests such as EIA are so important. They allow doctors to identify the potential or existence of disease at an early stage. This gives the patient a better chance.
This revolutionary technique, also known as EIA, or enzyme immunoassay, is conducted in a laboratory. It is used to determine the concentration of antigens or antibodies in a specific sample. The presence and concentration of antibodies is an important indication of the presence of a variety of medical conditions. The test is extremely popular because it is easy to do and many different tests can be processed at the same time.
The ability to identify the presence of either antibodies or antigens in the body is very important. This is because antigens are known to be harmful substances. As soon as the body recognizes the presence of antigens, it starts to produce antibodies to neutralize the harmful antigens. When either of these agents is present in a sample, the existence of a disease can be deduced logically.
Patients need not fear this simple test. It only entails the drawing of a small blood sample. This sample is then added to specific antigens in a petri dish. If there is a reaction between the blood sample and the antigen, then the presence of antibodies is confirmed. In fact, the antibodies will combine with the antigens. By adding enzymes it is possible to determine the amount of the antibodies in the sample.
Diagnosticians can get a lot of information form even the most basic EIA test. However, there are several versions or formats of the test and some are much more complex. The direct EIA, for example, requires that the antigen is screened with a multiwall coat. This makes it more difficult for the antibody to recognize the antigen. A result can only be obtained if the antibody is joined with a specific enzyme.
Another important variant of EIA is the indirect test. In this case two stages are engineered by covering the antigens in polystyrene plates. This is done to achieve increased sensitivity. Antibodies are introduced in primary and secondary stages. The test can produce multiple results which means that is saves cost and time. In many cases this test, which is more elaborate, eliminate the need for more tests.
The EIA sandwich test is considered to be suitable for complex samples, especially because the sample does not need to be purified prior to measurement. In this test antibodies are made up in pairs and compared with each other. The test is often done when both direct and indirect detection methods are required. It is an extremely accurate test and is done when serious diseases are suspected.
When all is said and done it is still the early diagnosis of a disease that provides the best chance of recovery and successful treatment. That is why tests such as EIA are so important. They allow doctors to identify the potential or existence of disease at an early stage. This gives the patient a better chance.
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