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 | Before use, the reference product is placed at room temperature for 30min, fully melted, shaken and mixed, used after nucleic acid extraction, nucleic acid extraction or purification reagents need to be provided by oneself. |
| Growth conditions | 37 ℃;18-24h; Aerobic; |
| Storage conditions | -80 ℃ |
| Safety level | 1 |
| Application | Accurate and rapid identification of pathogenic bacteria can effectively improve the pertinence and effectiveness of clinical treatment. This product uses heat inactivated strong positive reference for the evaluation of Mycobacterium smegmatis nucleic acid detection reagent for early diagnosis and quality control of infection. |
| Sharing mode | Public welfare sharing |
Standard quality control samples of Escherichia coli in drinking water (multi-tube fermentation method)
BNCC360415
Reference material of bacillus subtilis spores count
BNCC359088
Bacillus coagulans spore suspension
BNCC362556
Water quality enzyme substrate method quality control sample
BNCC361780
Escherichia coli bacteriophage T1 standard quality control product
BNCC362949
Quality control samples of fecal coliforms in medical institutions
BNCC362171