Anti-Chloramphenicol [Chl-D1]

Description:

Recombinant monoclonal antibody to Chloramphenicol. Manufactured using AbAb’s Recombinant Platform with variable regions (i.e. specificity) from the llama peripheral blood lymphocytes Chl-D1.

Clone Name:

Chl-D1

Published Application(s):

ELISA

Published Species Reactivity:

Species independent

Alternative Name(s) of Target: C11H12Cl2N2O5; Florfenicol; CAS: 56-75-7; CAP; CLM; chloromycetin; chlornitromycin; levomycetin; Chl-DI
Immunogen: The original antibody was generated by immunizing a llama with a cocktail of three different small molecules namely chloramphenicol, enrofloxacin and semicarbazide all of which were conjugated with KLH to illicit immune response. A phage display library was generated and the particular clone was isolated by panning the library against chloramphenicol-BSA conjugate.

Specificity: This antibody binds chloramphenicol and cross reacts with florfenicol, a relate analog to chloramphenicol. Chloramphenicol is a broad spectrum antibiotic used in the treatment of a number of bacterial infections. Chloramphenicol is an antibiotic and is in the class of antimicrobials that inhibits protein synthesis. It has been used for treating superficial eye infections such as bacterial conjunctivitis, and otitis externa. It has also been used for the treatment of typhoid and cholera.

Application Notes: This antibody can be used for detection of antibiotic adulterants in food. The binding characterization of this antibody for chloramphenicol-BSA was done using ELISA. This antibody was also used in test kit to determine the presence of chloramphenicol in fish extracts. In an indirect competitive ELISA this antibody bound soluble chloramphenicol and florfenicol with an IC50 of 3.202 µM and 3.314 µM respectively. The thermal stability of this antibody determined using a GloMelt™ protein kit and it was reported that the antibody had melting temperatures (TM) over 65°C (PMID: 36153664).

Antibody first published in: Swofford et al. Structure and specificity of an anti‐chloramphenicol single domain antibody for detection of amphenicol residues. Protein Sci. 2022 Nov; 31(11): e4457. PMID:36153664
Note on publication: Describes the generation of single chain antibodies against chloramphenicol, to be used in kits to detect antibiotic adulteration in seafoods.

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