Experiments on the preparation of tonics, Chinese medicine combinations and oral liquids
Combination of Chinese medicines refers to liquid preparations for internal use made of water or other solvents, extracted, purified and concentrated by suitabl
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Residue analysis experiments for organochlorine pesticides
Usually organochlorine pesticides (OCLs) are divided into DDT and its analogues, hexachlorohexane and cyclopentadienyl derivatives, which are not easy to be dec
Experiments on the preparation of casein
Source: Biochemistry and Molecular Biology Laboratory Guide, Shao Xueling et al, Wuhan University Press, 2003.
Analysis of peroxidase isoenzymes in medicinal plants and comparative activity experiments
In this experiment, polyacrylamide gel electrophoresis was used to analyze and compare the peroxide isoenzymes, and their activities were determined by guaiacol
Preparation of heparin by ion exchange method
Heparin (Heparin) is a class of acidic mucopolysaccharides that are stable to alkali and heat, and exists in organisms as complexes bound to proteins, which are
mRNA isolation assay
Most mRNAs from mammalian cells have a poly(A) tail at the 3' end, so mRNA can be isolated from large amounts of cellular RNA by oligo(dT)-cellulose affinity ch
Experimental inhibition of succinate dehydrogenase and malonate
Succinate dehydrogenase is an important enzyme in the tricarboxylic acid cycle, and the determination of the presence or absence of succinate dehydrogenase acti
Assay for the determination of the activity of the enzyme glutamine-alanine transaminase
The basic principle of the determination of glutamine-alpha transaminase activity; master the method of the determination of glutamine-alpha transaminase activi
Experimental residue analysis of pyrethroid insecticides
Pyrethroids are an important class of synthetic insecticides with high efficiency, broad-spectrum, low toxicity and easy biodegradation. Source: Food Safety Tes