Microporous membrane filtration and sterilization experiment
Filtration is the mechanical removal of bacteria from liquids or gases. According to different needs to choose different filter and filter plate materials. The
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Hemagglutination test and interferometric titer to determine viral titer
Certain viruses (such as influenza virus, parainfluenza virus, mumps virus, encephalitis virus, etc.) can selectively agglutinate the erythrocytes of individual
Experiments on the splicing action of bacteria
Bacterial splicing is the phenomenon of recombination that occurs when the DNA of a donor bacterium is unidirectionally transferred to the recipient bacterium b
Transmission electron microscopy ultrathin sectioning and staining experiments
Ultramicrotomy is a specialized technique to provide thin specimens for transmission electron microscopy observation, which is the most commonly used technique
Experiments on the culture method of isolation of bacteria by plate delineation
This method is suitable for clinical specimens or other cultures mixed with many kinds of bacteria, which can be separated and cultured to obtain single colonie
Several experiments on trace simple identification techniques
Over the past two decades, the international community has successfully developed a technology that can detect multiple reactions or dozens of reactions in a si
Antibiotic potency bioassay assay
The secondary metabolites produced by certain microorganisms during metabolism can inhibit or kill certain microorganisms at low concentrations, and such substa
Endotoxin assay
Endotoxin is a component of lipopolysaccharide (LPS) in the cell wall of Gram-negative bacteria, and lipid A is the active part. Individual Gram-positive bacter
Isolation experiments of drug-resistant mutant strains
Changes in the order of bases in a gene can lead to genetic variation in microbial cells. This variation can sometimes enable the cell to survive in a harmful e