Preparation, activity determination and application of thin-layer plates
Thin layer chromatography (TLC) is mainly used in the study of chemical composition of natural medicines for the pre-testing of chemical components, identificat
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3228 articles
Experiments on the isolation and identification of monocotyledonine
Euphorbiaceae plant a leaf autumn, also known as the bottom of the leaf beads, also known as dog apricot strip, its roots, leaves and shoots contain a variety o
Experiments for the determination of blood concentration and half-life of drugs
Measurement of blood concentration and half-life of drugs is used (1) in order to guide the clinical selection of the optimal therapeutic regimen and the most a
Pandy experiment
Proteins in the cerebrospinal fluid combine with phenol to form insoluble Pr salts and appear as white turbidity or precipitation. This experiment is derived fr
Experimental effects of efferent nervous system drugs on blood pressure in anesthetized dogs
Using a direct blood pressure measurement method, an arterial cannula inserted into the common carotid artery and a pressure transducer form an anticoagulant cl
Extraction, isolation and characterization of the alkaloids of Hantahexaenia japonica
Han Fangji is the root of Stephania tetrandra S. Mcore (防己科千金藤属物), an expectorant, antipyretic and analgesic drug whose active ingredients are alkaloids
Chinese medicine composition analysis and structure identification experiment
The objectives of this experiment are: 1. to master the basic principles and operation methods of high performance liquid chromatography (HPLC). 2. to master th
Experiments on the action of efferent nervous system drugs on isolated intestinal muscles
The isolated intestinal muscle of animals still has the characteristics of excitation and contraction in a suitable environment of nutrient solution. Since ther
Experimental effects of drugs on spontaneous activity in mice
Spontaneous activity is a physiological characteristic of normal animals. The amount of spontaneous activity often reflects the state of central excitation or i