An antigen test is a blood test used to detect the presence of antibodies to a specific antigen. The test is done by adding a serum containing known amounts of antigens to a sample of blood. If antibodies are present in the serum, they will bind to the antigens in the sample. The amount of antibody bound can be measured and used to determine whether or not an individual has been exposed to the antigen.
Rabbit Polyclonal antibody Anti-CRBN | |||
ImmunoStep | |||
Polyclonal Goat anti-GST α-form | |||
Detroit R&D | |||
Polyclonal Goat anti-GST μ-form | |||
Detroit R&D | |||
Polyclonal Goat anti-GST p-form | |||
Detroit R&D | |||
UltraTek Anti-Rabbit | |||
ScyTek Laboratories |
The antigen test is often used to screen for exposure to certain viruses, such as HIV and hepatitis B and C. It can also be used to diagnose autoimmune diseases, such as lupus and rheumatoid arthritis. In addition, the antigen test can be used to determine if someone has received a vaccine, such as the MMR vaccine.
One of the earliest antigen tests was for syphilis, a sexually transmitted disease. In 1905 August von Wasserman developed a test using blood serum from an infected individual which could diagnose early syphilis infections in blood donors before the appearance of symptoms. The test was used to screen individuals who were donating blood in much the same way that modern tests are used today.
The first application of this type of testing in forensic science was in 1915 when it was used to help discover whether or not poisoning had taken place in cases where no poison could be found. Today, antigen tests are commonly done on samples at crime scenes when looking for evidence of biological fluids such as semen, saliva and other bodily fluids. This is especially useful in rape cases when there is little other evidence to work with.
CA125 (Cancer antigen) ELISA test
11
Biobase
96T/Box
CA50 (Cancer antigen) ELISA test
10
Biobase
96T/Box
CA153 (Cancer antigen) ELISA test
12
Biobase
96T/Box
CA199 (Cancer antigen) ELISA test
13
Biobase
96T/Box
CEA (Cancer antigen) ELISA test
9
Biobase
96T/Box
NOVATest Antigen Rapid Test Kit (For Single Use) (NOVA Test)
nCov-500-01
Atlas Link Technology
1T
PSA (Prostate-specific antigen) ELISA test
8
Biobase
96T/Box
NOVATest Antigen Rapid Kit (NOVA Test)
nCov-500
Atlas Link Technology
20 Tests
SARS-CoV-2 Antigen Rapid Test Kit
CoV2Ag-1
UnScience
1T
SARS-CoV-2 Antigen Rapid Test Kit
CoV2Ag-25
UnScience
25T/kit
HEV-Ag hepatitis E antigen ELISA test
94
Biobase
96T/Box
SARS-CoV-2 Rapid Antigen Test Nasal
9901-NCOV-03G
Roche Diagnostics
25 Tests/Kit
HBeAg hepatitis B E antigen ELISA test
79
Biobase
96T/Box
Human Streptococcus Pneumoniae (SP) Antigen Rapid Test Kit
abx092096-20tests
Abbexa
20 tests
Accu-Tell COVID-19 IgG/IgM Rapid Test
GEN-B352-20tests
Accu test
20 tests
Accu-Tell COVID-19 IgG/IgM Rapid Test
GEN-B352-40tests
Accu test
40 tests
Avian Influenza Virus Antigen Rapid Test Kit (Colloidal gold)
abx092015-40tests
Abbexa
40 tests
Newcastle Disease Virus Antigen Rapid Test Kit (Colloidal gold)
abx092016-40tests
Abbexa
40 tests
Human Chlamydia Trachomatis Antigen Rapid Test Kit (Colloidal gold)
abx092049-20tests
Abbexa
20 tests
Coronavirus (SARS-Cov-2) Antigen Rapid Test Device (Saliva)
IOV87952
INVBIO
20T/kit
Test product
testtt
National Diagnostics
0
Avian Influenza H5 Virus Antigen Rapid Test Kit (Colloidal gold)
abx092014-40tests
Abbexa
40 tests
Avian Influenza H7 Virus Antigen Rapid Test Kit (Colloidal gold)
abx092017-40tests
Abbexa
40 tests
Recombinant human RHD antigen
P1958
FN Test
100ug
2019-nCoV IgG/IgM Rapid Test Cassette (Whole Blood/Serum/Plasma)
GEN-402-25tests
All test
25 tests
HBV-NRAg hepatitis B virus nucleic acid related antigen ELISA test
84
Biobase
96T/Box
Recombinant human Lymphocyte antigen 6K
P2272
FN Test
100ug
DNASE TEST AGAR
D04-101-10kg
Alphabiosciences
10 kg
DNASE TEST AGAR
D04-101-2Kg
Alphabiosciences
2 Kg
DNASE TEST AGAR
D04-101-500g
Alphabiosciences
500 g
DERMATOPHYTE TEST AGAR
D04-107-10kg
Alphabiosciences
10 kg
DERMATOPHYTE TEST AGAR
D04-107-2Kg
Alphabiosciences
2 Kg
DERMATOPHYTE TEST AGAR
D04-107-500g
Alphabiosciences
500 g
MOTILITY TEST MEDIUM
M13-121-10kg
Alphabiosciences
10 kg
MOTILITY TEST MEDIUM
M13-121-2Kg
Alphabiosciences
2 Kg
MOTILITY TEST MEDIUM
M13-121-500g
Alphabiosciences
500 g
SNYDER TEST AGAR
S19-119-10kg
Alphabiosciences
10 kg
SNYDER TEST AGAR
S19-119-2Kg
Alphabiosciences
2 Kg
SNYDER TEST AGAR
S19-119-500g
Alphabiosciences
500 g
SAM Test Strip
TS00201s-30
Arthus
30 tests
SAH Test Strip
TS00301s-30
Arthus
30 tests
HCY Test Strip
TS00401s-30
Arthus
30 tests
Phenols Cuvette Test
LCK345
Scientific Laboratory Supplies
EACH
Dermatophyte Test Medium
MED1484
Scientific Laboratory Supplies
EACH
Test for Enteropathogenic.C
MIC6774
Scientific Laboratory Supplies
PK50
Sulphite Test Strips
MN91306
Scientific Laboratory Supplies
PK100
Thermal Test Film
PCR0890
Scientific Laboratory Supplies
PK25
Dryslide Oxidase Test
231746
Scientific Laboratory Supplies
PK75
Test Tube 16x100mm
3840/16X100
Scientific Laboratory Supplies
PK100
5mL Test Tubes
TUB0228
Scientific Laboratory Supplies
PK1400
Most antigen tests are done using ELISA, the enzyme-linked immunosorbent assay. Antigens and antibodies can be tagged with enzymes which make them easier to detect and measure. Many different types of antigens can be tested including blood group antigens, tumor markers and drugs such as cocaine and certain antibiotics. If an antigen test suggests that a person has been exposed to a particular organism then further testing such as nucleic acid amplification or PCR may be used to identify the specific microbe.
MARK antibody | |||
Fitzgerald | |||
MARK antibody | |||
Fitzgerald | |||
MARK Antibody | |||
SAB | |||
MARK Antibody | |||
SAB | |||
MARK Antibody | |||
Lifescience Market |
Antigen testing will regularly produce false positives for individuals who have recently received vaccines containing the relevant antigens, giving rise to fears about vaccinations. Normal blood cells may also give a false positive result. In order to avoid these problems, the antigen test is often used in combination with other tests, such as the antibody test.
The antigen test is a valuable tool in modern medical diagnostics. It can be used to screen for a variety of diseases and disorders and can provide important information in forensic investigations. The test is reliable and relatively easy to perform, making it an important part of modern medicine.
Recombinant Humanp21 Recombinant Protein | |||
ProSci | |||
Recombinant phosphopantetheine adenylyltransferase (PPAT) (Recombinant) | |||
Abbexa | |||
Glyco Recombinant Protein A33 Recombinant Protein | |||
ProSci | |||
Glyco Recombinant Protein A33 Recombinant Protein | |||
ProSci | |||
STAG3L1 Recombinant Protein (Human) (Recombinant Tag) | |||
ABM |