I. Environmental water sampling - water bodies(1) Environmental water sampling should be carried out aseptically to prevent the mixing of stray bacteria.(2) According to the experimental setup, select...
I. Environmental Soil Sampling - General Soil(1) Remove surface floating soil, withered material, etc. and select if the sample should pass through a 2mm sieve, depending on the environmental soil sam...
Microbiology is a discipline that studies microorganisms. Microorganisms include viruses, prokaryotes and simple eukaryotes. At present, the most important work in microbiology is done by biochemical ...
The culture media is an artificially prepared nutrient for the growth and maintenance of microorganisms, plants and animal tissues. It generally contains carbohydrates, nitrogenous substances, inorgan...
What is sample collection? Sample collection is usually abbreviated as sampling, which is a way of sampling and a scientific research method. The so-called sampling refers to taking a part of represen...
Biological detection technology has developed rapidly in recent years and has attracted much attention in food microbiology testing. Since most foods are derived from animals, plants and other natural...
1. Collection of soil microbiology samples1) Determine the sampling range according to the research purpose, disinfect and sterilize the sampling equipment in advance, and then take sampls;2) Remove t...
1. Sample collection of food microbiology testingBefore sampling, it is necessary to know the source, processing, storage, packaging, transportation and other conditions of the samples. When sampling,...
The food testing laboratory professionally involves many disciplines such as food chemistry, physics, microbiology, molecular biology and food sensory evaluation, and its functions also involve water ...
Environmental water sampling is to collect water samples from polluted water bodies and analyze them to obtain basic data on water pollution. The water samples for analysis should be representative an...
The selective culture medium in microbiology refers to the medium designed according to the special nutritional requirements of a certain (type) microorganism or the resistance to certain special chem...
1. Is it good to keep liquid culture medium under refrigeration? Is it better to freeze?Refrigeration is better. Because when the liquid medium is frozen and then melted, the PH value of the solution ...
Natural culture medium is also called complex medium, which is a natural organic substance that contains unclear or inconsistent chemical composition. The natural culture medium is mainly extracted fr...
E. coli tests microbiology is a subject that studies Escherichia coli. Escherichia coli, also called E. coli, was discovered by Escherichi in 1885.Escherichia coli is a normal invador in the intestine...
After registrating the number, the environmental soil sampling retrieved from the field need to go through a preparation process: air-drying, grinding, sieving, mixing and bottling to prepare for vari...