1. To ensure the pure culture of bacteria, be careful not to use bacterial strains contaminated with bacteria.
2. Suitable cryopreservation strains, low-temperature strains such as Pleurotus ostreatus, mushrooms, etc., at 4 °C conducive to the preservation of the vitality of mycelium, high-temperature strains such as straw mushroom at 16 °C conducive to the preservation of the vitality of mycelium.
3. Avoid multiple passages in a single medium. Straws should not be used for long periods of time. Over ageing bacteria will appear to be aging, and aging and degradation are organically linked, and weakly viable strains are prone to degradation.
4. The bacteria must be rejuvenated regularly, and the rejuvenation should be carried out under the conditions of suitable temperature, suitable pH, sufficient oxygen, and no culture of bacteria.
5. Annual spore isolation, sexual reproduction to find good strains, and tissue separation to consolidate the genetic characteristics of the good strains.
|
Luoyang Haloxylon Ammodendron Medical Device Co., Ltd. was founded in 2019, is a professional engaged in medical devices, home medical devices and related health products, product development and sales as one. The factory strictly implements ISO 13485 standard, all products are in line with medical CE standard. At present, our business has a sound economic foundation and strong relationship network, many new traders in Europe, America, Australia and China have appointed us as their sole agent. Perfect technology and personnel allocation, in solving all kinds of solutions for customers at the same time, but also for customers to explore the Chinese market, find sources of goods, accept sources of goods, and for the enterprise carefully create professional, personalized, all-weather, all-round one-stop service. In mainland China, we have a very efficient import and export service system and we work closely with many shipping companies and airlines. For the export of your goods, we can provide you with the best shipping, air transportation, customs clearance, insurance and other services. At present, the company's trade scale is expanding day by day, customers all over the world, and with good reputation, won the trust of customers at home and abroad, to promote China's modernization, promote economic and technical exchanges with the world, to enhance the friendship with the people of all countries have done a lot of useful work. If you need more information, please feel free to contact us
|
Cruthes And Walking Aids,Arm Crutch,Disabled Crutch,Aluminum Crutch For Disabled
Haloxylon Ammodendron Medical Equipment Co., Ltd. , https://www.haloxylonl.com