Weiyel Reference Materials
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| Subculture | Nutritional gravy medium (English name: NA/NB): beef paste 3.0g, peptone 10.0g,NaCl 5.0g, agar 20.0g (not included in 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 | Samples require a total of 6 mL of sterile water or sterile saline to dissolve. Before use, the quality control sample is placed at room temperature for 30 min, then opened in the biosafety cabinet, 6 mL of sterile water is immediately added, the vials are shaken after dissolution, and the positive quality control sample is obtained after shaking evenly, with a total concentration of 6 mL and a concentration of 300~3000 CFU/mL |
| Growth conditions | Culture temperature 37 ℃; Culture time 24-48 hours; Aerobic gas environment |
| Storage conditions | -20 ℃, kept away from light |
| Safety level | 1 |
| Application | Water quality total coliform and fecal coliform group paper rapid detection quality control and personnel assessment |
| Sharing mode | Public welfare sharing |
Monkeypox Virus B6R Pseudovirus standard quality control product
BNCC362595
Helicobacter pylori reference (Chemically inactivated) (Strongly positive)
BNCC363101
Reference material of bacillus subtilis spores count
BNCC359088
Water quality fecal coliform positive quality control sample (Membrane membrane method)
BNCC360396
Escherichia coli EHEC O157:H7-sfgfp green fluorescent marker strain
BNCC363779
Klebsiella aerogenes Tindall et al nucleic acid standard quality control product
BNCC361459