Orthogonal experiments to optimize the extraction of tanshinone ⅡA
Tanshinone is a fat-soluble diterpenoid compound with orange-yellow and orange-red features in Salvia miltiorrhiza, which can be classified into more than 10 ki
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
Vitamin C Injection Stability Test
1. Stability of pharmaceutical preparations The basic requirements for pharmaceutical preparations should be safety, efficacy and stability. Stability refers to
Determination of multiple residues of glucocorticoids in food of animal origin by high performance liquid chromatography-tandem mass spectrometry
Liquid chromatography (HPLC), liquid-mass spectrometry (LC-MS or LC-MS/MS) and gas chromatography (GC-MS) are the main methods used for the detection of glucoco
Immunofluorescence of frozen sections
Observation of localization of target proteins in tissues
Rapid qualitative monitoring and quantitative analysis of drugs in urine samples from racehorses by liquid chromatography-electrospray tandem mass spectrometry and triple stage mass spectrometry
Drugs of abuse in the horse racing industry contain a wide variety of chemicals that are primarily analyzed by taking complex urine samples, making rapid, valid
Determination of endogenous steroid hormones in urine by liquid chromatography-tandem mass spectrometry
This assay is mainly used for routine analysis of endogenous steroid hormone stimulants in body fluids.
TUNEL staining of tissue sections
Detection of apoptotic cells
Immunofluorescence histochemical direct method
Immunofluorescent tissue (cell) chemical staining method - Direct method, a fluorescent antibody staining method.
Rapid separation and detection of ephedrine-type stimulants by microchip capillary electrophoresis with laser-induced fluorescence
This assay is mainly used for the detection of ephedrine stimulants.