direct fluorescent antibody test
An ana reflex profile test is used to detect antibodies produced by the immune system that mistakenly target the body's own tissues. This test is commonly used to help diagnose autoimmune diseases such as lupus or rheumatoid arthritis.
The principle of complement-fixation test involves the detection of antibodies by measuring the ability of a patient's serum to fix and consume complement in the presence of a specific antigen. If antibodies are present in the sample, they will fix complement, leading to a decrease in complement activity that can be detected. This test is often used to diagnose infections such as syphilis and certain viral diseases.
Serial dilution in Widal test helps to determine the titer of antibodies in the patient's serum by observing the agglutination reaction with specific antigens. By diluting the serum sample in a stepwise manner, the titer at which agglutination occurs can be determined, providing valuable information about the presence and concentration of antibodies against Salmonella typhi and Paratyphi antigens in the blood.
Western Blots used to diagnose HIV infection detect antibody to a range of HIV proteins. Instead of giving just one answer, they show "positive" or "negative" for each protein on the western blot strip. This makes them very specific for HIV.
The streptozyme test is used to detect antibodies in the blood that are associated with various streptococcal infections, including strep throat and rheumatic fever. It helps diagnose these infections and determine the appropriate treatment.
Widal test is a serological test used to detect enteric fever by using agglutination rection of antibodies present in the serum of typhoid patient and o-somatic and H-flgellar antigens.
SSA blood test is a type of blood test that is used to detect the presence of antibodies known as anti-Ro/SSA antibodies. These antibodies are associated with autoimmune conditions such as Sjögren's syndrome and systemic lupus erythematosus. The test is typically used to help diagnose and monitor these conditions.
The ELISA test looks for antibodies the body makes against the HIV virus. Since it can take the body anywhere between 2 weeks and 6 months to make antibodies, the earliest an ELLSA might detect the antibodies is 2 weeks.
Yes, lupus antibodies can *come and go*. Usually antibodies remain present in the patient, but they may be more difficult to find in a blood test. It is possible to have lupus and have negative antibodies.
The standard HIV test, whether a rapid test or one sent to the laboratory, will detect the presence of antibodies to the HIV virus. When the body becomes infected, it will attempt to fight the infection by developing antibodies. Therefore, if a test finds antibodies, it has in essence indicated that the HIV virus is also present.
Western Blot
A chickenpox antibody test will not detect marijuana. If you are having such a test for a pre-employment physical, drug testing may be part of the exam.
A breast biopsy is not a screening test. A screening test is a test used to detect disease in a patient who has no signs and symptoms. A breast biopsy is a test used to detect disease in someone who has signs and symptoms.
Immunoflurescence
The standard HIV test, whether a rapid test or one sent to the laboratory, will detect the presence of antibodies to the HIV virus. When the body becomes infected, it will attempt to fight the infection by developing antibodies. Therefore, if a test finds antibodies, it has in essence indicated that the HIV virus is also present.
For a complement fixation test, you will need serum samples from the patient being tested, heat-inactivated complement serum, specific antigen-antibody complexes, an indicator system to visualize complement activity, saline or buffer solutions, and control samples. The test is used to detect the presence of specific antibodies in the patient's serum by measuring the level of complement fixation.
Because it can take 3 months for the test to detect the antibodies from the HIV infection.