Clostridium difficile Toxin A
The Native Antigen Company's Clostridium difficile Toxin A is a highly purified preparation. Developed either for use with clinical diagnostic assays, it serves as a positive control and for determination of assay range or for use by researchers in techniques such as cytotoxicity testing.
The product is presented in a choice of pack sizes and is lyophilised for ease of use.
We also offer Clostridium difficile Toxoid A, which is derived from this product.
Typical Certificate of Analysis
Name: Clostridium difficile Toxin A
Product code: CDA-TNL-100
Batch #: 2471
Description: Native toxin A purified from C. difficile
Purity: >95% pure by SDS-PAGE
Buffer: Contents when reconstituted in 250μl sterile distilled water will contain: Toxin A at a concentration of 0.4mg/ml in 0.05M Hepes, 0.15M NaCl and 5% sucrose
STORAGE: Store at 2-8°C.
Quality Control Data
Antigenicity comparison of lyophilised and unlyophilised toxin and toxoid A
SDS-PAGE of purity showing Toxin A (308 kDa), molecular weight markers, and Toxin B (270kDa).