Weiyel Reference Materials
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| Subculture | Nutritional gravy medium (NA/NB): beef paste 3.0g, peptone 10.0g,NaCl 5.0g, agar 20.0g (without liquid medium), distilled water 1.0L,pH 7.0. Sterilization at 121 ℃ for 15min. [Note] Adding 5 mgMnSO4 · H2O to culture Bacillus is beneficial to produce spores. |
| Subculturing | This spore suspension is a pure spore suspension, which is obtained by cell separation and collection of spores. It can be used directly, and the corresponding volume can be added according to the test requirements. |
| Growth conditions | 55 ℃, aerobic, 18-24h |
| Storage conditions | 2-8 ℃ |
| Safety level | 1 |
| Application | Resistance Testing Dry heat sterilization control Efficacy testing Ethylene oxide sterilization control Media testing Steam sterilization control Sterility assurance Sterilization control Pharmaceutical and Personal Care Resistance test dry heat sterilization control efficacy test ethylene oxide sterilization control medium inspection sterilization control> drugs and personal care |
| Sharing mode | Public welfare sharing |
Seawater quality total coliform positive quality control sample (Membrane membrane method)
BNCC363182
Shigella quality control sample of sludge from medical institutions
BNCC362176
Streptococcus mutans Clarke DNA lab quality control
BNCC363737
Clostridium sporogenes spore suspension
BNCC362136
Standard quality control sample of enterococcus faecalis in drinking water
BNCC362543
Bacillus pumilus spore suspension
BNCC361951