(D3- Dextrorphan L-Tartrate Sa

STANDARD PLANT MOLECULAR BIOLOGY PROTOCOLS

. DNA preparations DNA for electroporation must be free of salt, RNA or protein. DNA (in TE buffer) should be first treated with RNase, then twice extracted with phenol/chloroform. This will remove protein and RNA. To remove salt, EtOH

超临界CO2萃取测定姜黄中姜黄素的实验研究

检测器，WDL-95色谱工作站)，台式高速离心机( L-16G)，超声清洗器(KQ-500B)，1／10万电子天平，超临界co2萃取实验台(江苏大学江苏海安应有石油设备制造厂联合研制，萃取器容积1 L，200 mL规格)。 1．2 试剂及药品     甲醇(色谱纯)，水(亚沸重蒸水)，冰醋酸(分析纯)，蒸馏水，丙酮，甲醇(分析纯)，乙醇(分析纯)均购于上海化学试剂厂)，微孔滤膜(0.45μm)。姜黄(购于毫州药材市场，经南京中医药大学药学院王永珍教授鉴定为姜科植物姜黄Curcuma

生物芯片实验手册（NIH）

are then purified and spotted onto poly-L-lysine coated microscope slides. In the second operation, BASIC PROTOCOL 2, RNA EXTRACTION AND LABELING, RNA is extracted from the cell samples to be examined, purified, and used as the substrate for reverse transcription