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 |
Quality control samples by enzyme substrate method for drinking water
BNCC360392
Standard quality control samples of mold and yeast
BNCC360584
Bacillus subtilis var. niger spore carrier (steel plate)
BNCC362002
Water quality fecal coliform positive quality control sample (Membrane membrane method)
BNCC360396
Reference material of bacillus atrophaeus spores count
BNCC359098
BNCC362179