paper chromatography
Using paper as a carrier, a liquid stationary phase (e.g., water, formamide, or others) is uniformly adsorbed on the paper, and a solvent that is not miscible w
Knowledge Base
Laboratory Protocols & SOPs Library
3,200+ step-by-step lab protocols and SOPs for cell culture, staining, PCR, protein work and microbiology, with reagents, conditions and evaluation criteria.
3228 articles
Experiments in the preparation of liquors and tinctures
Liquor refers to the medicinal herbs with distilled liquor extract made of clarified liquid preparations, generally prepared by impregnation, a few percolation
Experiments on the preparation of granules
Granules are dry granular preparations made of drugs or herbal extracts with suitable excipients or fine powder of herbs. Preparation process: treatment of raw
Experiments on the effect of reaction time on product formation
In this experiment, sucrose was used as the substrate to determine the time course curve of the reaction between sucrase and the substrate, i.e., under the opti
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
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
Effects of pH, temperature, and inhibitors on sucrase activity
Design your own experimental program to determine the effects of pH, temperature and inhibitors on sucrase activity. (Source: Laboratory instruction of biochemi
Balanced salt solution preparation experiment
Source of content: Tissue Culture and Molecular Cytology Techniques. (Beijing Publishing House)
Experiment for the determination of total sugar content
(Source: Laboratory instruction in biochemistry and molecular biology, Shao Xueling et al, Wuhan University Press, 2003)