Animal serum: place the whole blood sample collected in the serum separation tube at room temperature for 5-2 hours or overnight at 4°C, then centrifuge at 1000×g for 20 minutes, take the supernatant, or remove the supernatant at -20°C or -80 ℃ but avoid repeated freezing and thawing. Plasma: Use

We usually refer to "microbial fertilizer" as "bacterial fertilizer". From the name, we can see that microbial fertilizer is divided into two aspects: "bacteria" and "fertilizer". Among them, "bacteria" refers to microbial fertilizer. And "fertilizer" refers to fertilizer. The combination of the

  Biological bacterial fertilizer is a new type of biological "fertilizer" that has appeared in recent years. Although it is called bacterial fertilizer, its essence is not fertilizer. It is only cultivated by some factories. beneficial bacteria of crops. The amount of biological bacterial

Different cells prefer different environments, and serum plays a variety of roles in animal cell culture This is not only the difference in the medium, but also the spatial density of cell growth. Some cells grow better and grow better. This usually belongs to cells that grow more slowly. For

Biological bacterial fertilizer is a new type of biological "fertilizer" that has appeared in recent years. Although it is called bacterial fertilizer, its essence is not fertilizer. It is only some beneficial bacteria cultivated in the soil that are beneficial to soil and crops by means of some