After the frog's heart is isolated, a frog heart cannula containing Ren's fluid is inserted into the ventricle, and this artificial perfusion method is used to
Streptomycin is an aminoglycoside antibiotic, and its acute toxic reaction is neuromuscular blockage, with weakness of limbs and even respiratory depression. In
The experimental objectives of this experiment are: 1. to familiarize with the structure and performance of the rack-and-pan balance and electronic balance, and
The objectives of this experiment are: 1. to familiarize with the requirements of the laboratory; 2. to familiarize with and manage the basic laboratory apparat
The chemical components contained in natural medicines are relatively complex, and for natural medicines of unknown composition, before extracting and separatin
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
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
The purpose of this experiment is to master the characteristics of raw drug properties of Rheum palmatum; to master the cross-sectional tissue characteristics a
DPPH (2,2-diphenyl-1-picrylhydrazyl radical, 2,2-diphenyl-1-(2,4,6-trinitrophenyl)hydrazyl) is a relatively stable lipid radical with a free electron on its N.
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