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Antigens – Native and Recombinant

Antigens are structures that can be bound by antibodies. These are typically molecules containing polysaccharides and proteins. Other types of molecule, such as lipids and small molecule chemicals can be antigenic in combination with proteins and polysaccharides.

Antigens are commonly used in disease diagnosis applications as controls to ensure tests are performing correctly and as calibrators. They may also be used in immunoassays to detect antibodies present in the patient. This could be useful in determining whether the patient has previously been exposed to a micro-organism such as HIV.

Antigens may also be used for a variety of other biotechnological applications, e.g. as immunogens to generate antibodies. Native antigens are those extracted in their natural form, often directly from tissues; recombinant antibodies are typically generated by artificial means such as expression in E. coli.

Species Antigen Expressed in Product Code Tested in Compatible Antibodies Available Unit sizes
African Swine Fever Virus p30 E. coli R208-01 ELISA (on swine oral fluid) 0.1mg, 0.5mg, bulk
African Swine Fever Virus p54 E. coli R209-01 ELISA (on swine oral fluid) please enquire
African Swine Fever Virus p72 E. coli R210-01 ELISA (on swine oral fluid) please enquire
HCV (Hepatitis C) Core Protein E. coli R230-1 ELISA, Lateral Flow, Western Blot 1mg, bulk
HCV (Hepatitis C) NS3 E. coli R238-1 ELISA, Lateral Flow, Western Blot 1mg, bulk
HIV1, Group M GP41 E. coli R229-1 ELISA, Lateral Flow, Western Blot 1mg, bulk
HIV1, Group O GP41 E. coli R235-1 Western Blot 1mg, bulk
HIV1 GP120 HEK293 R237-1 ELISA, Lateral Flow, Western Blot 1mg, bulk
HIV1 p24 E. coli R101-1 ELISA, Lateral Flow, Western Blot 1mg, bulk
HIV2 GP36 E. coli R232-1 ELISA, Lateral Flow, Western Blot 1mg, bulk
Human Aldosterone-COOH Chemically synthesized R241-1 ELISA, CLIA P241-01 or P242-02 1mg, bulk
Human AMH E. coli R212-1 sELISA, Lateral Flow, CLIA M212-01, 03, 04 1mg, bulk
Human Angiotensin I E. coli R216-1 ELISA P216-01 1mg, bulk
Human Estriol-COOH (E3) E. coli R219-1 ELISA, CLIA M219-01 1mg, bulk
Human Gastrin-17 E. coli R213-1 sELISA, Lateral Flow, CLIA M213-01, 02, 03 1mg, bulk
Human T4-COOH (Tetraiodothyronine) Chemically synthesized R221-1 ELISA M221-01 1mg, bulk
Human Vitamin D-Biotin Chemically synthesized R217-2 ELISA M217-01 or M217-02 1mg, bulk
Human Vitamin D-BSA Chemically synthesized R217-1 ELISA M217-01 or M217-02 1mg, bulk
N/A Amphetamine-BSA Chemically synthesized R303-1 ELISA M303-01 1mg, bulk
N/A Methamphetamine-BSA Chemically synthesized R304-1 ELISA M304-01 1mg, bulk
N/A THC-BSA Chemically synthesized R312-1 ELISA M312-01 1mg, bulk
Salmonella (Typhi) HlyE E. coli R233-1 ELISA, Lateral Flow, Western Blot 1mg, bulk
Salmonella (Typhi) OMP E. coli R240-1 ELISA, Lateral Flow, **Western Blot** 1mg, bulk
Syphilis (T. pallidum) TmpA E. coli R236-1 ELISA, Lateral Flow, Western Blot 1mg, bulk
Syphilis (T. pallidum) TpN17 E. coli R228-1 ELISA, Lateral Flow, Western Blot 1mg, bulk
Syphilis (T. pallidum) TpN47 E. coli R234-1 ELISA, Lateral Flow, Western Blot 1mg, bulk
Zika Virus Envelope Protein DIII E. coli R231-1 ELISA, Lateral Flow, Western Blot 1mg, bulk