BeNa Culture Collection
Culture medium | Columbia blood plate (English name: CA-B): casein pancreatin digest 10.0g, cardiopancreatin digest 3.0g, corn starch 1.0g, meat gastric enzyme digest 5.0g, yeast extract 5.0g, sodium chloride 5.0, agar 20.0g, distilled water 1.0L,pH 7.3±0.2. After sterilization at 121 ℃ for 15min, cool to 55 ℃, add 5% sterile defibrated sheep blood, shake well, pour the plate and cool it for later use. |
Subculture procedure | 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 | Culture temperature 37 ℃; Culture time 3-5 days; Gas environment 5% CO2; |
Storage conditions | -80 ℃ |
Safety level | 2 |
application | Research on Reagents for Detection of Pathogen Nucleic Acid |
Sharing mode | Public welfare sharing |
Helicobacter pylori nucleic acid reference certificate
1. Product information
Sample name: Helicobacter pylori nucleic acid reference (heat inactivated) (strong positive)
Sample number: 361707
Sample batch: 220627
2. Product features
description | 1.5mL frozen storage tube package, containing 0.5mL nucleic acid reference, is transparent liquid | |||
traceability | ATCC 43504 Helicobacter pylori | |||
preparation method | inoculation of Colombian blood plate medium, elution collection, 80 ℃ water bath inactivation for 1h | |||
concentration value | ≥1.0×108CFU/mL | reference value | 3.09×108CFU/mL | |
applicable method | suitable for related research of pathogen nucleic acid detection reagents | |||
*Note: If you have any questions about the reference material, please contact our center (BNCC) for help before use |
3. Instructions
Before use, place the reference substance at room temperature for 30 minutes, fully thaw, shake and mix well, and use it after extracting nucleic acid. The nucleic acid extraction or purification reagents should be prepared by yourself.
4. Notes
1. After receiving the goods, please be sure to keep them properly. If there is any damage, please contact the center within 24 hours after receipt;
2. This product uses the heat inactivation method, which is likely to destroy the protein antigen, and the test related to the protein antigen is not applicable;
3. It should be used as soon as possible after thawing to avoid repeated freezing and thawing more than 3 times;
4. In the process of use, it should be treated according to infectious substances. Please do not directly touch the samples in the bottle with your hands. After use, please sterilize the residual samples at high temperature and high pressure and discard them;
5. Preservation and transportation
Long-term storage: -80℃, valid for 2 years; transport conditions: transport on dry ice.
Henan Engineering Research Center of Industrial Microbiology
website: www.bncc .org .cn tel: 400-6699-833