Rabbit purified IgG fraction of antiserum to Bacillus spores. The immunogen is purified spores of B. cereus (ATCC 11778) and B. subtilis (ATCC 9372). Antiserum has not been absorbed, so may react with various Bacillus species. Purity is >95% IgG and is supplied at a concentration of 4-5mg/mL in 0.01M PBS, pH 7.2 with 0.1% sodium azide. Recommend short term storage at 2-8°C or frozen for long term.