Determination of imazethapyr residue in soil by reversed phase high performance liquid chromatography 反相高效液相色譜法檢測土壤中的咪草煙
A novel low molecular compound which was effective to heart is isolated from the venom of the spider through two times reverse phase high performance liquid chromatography . its exact molecular weight is 147da determined by esi mass spectrum 采用兩次反相高效液相色譜從虎紋捕鳥蛛中分離出一種相對分子質(zhì)量為147da的成分,命名為hwtxs-。
A method was developed for the determination of free amino acids in tobacco of different areas ( yunnan, guizhou and henan ) and of different technological processes using reversed phase high performance liquid chromatography ( rp hplc ) 摘要選取云南、貴州、河南的經(jīng)不同工藝處理生絲、薄板干燥、高溫氣流干燥的煙絲;采用微波協(xié)助萃取技術(shù)進(jìn)行樣品的前處理;經(jīng)活化的陽離子交換柱進(jìn)行純化,再用柱前衍生反相高效液相色譜的方法對其游離態(tài)氨基酸進(jìn)行含量分析。
Huwentoxin xi ( hwtx ~ xi ), a serine protease ! inhibitor, consists of 55 amino acid residues with three disulfide bridges . the toxin was isolated from the venom of the chinese spider ornithochoctonus huwena by ion-exchange chromatogram-phy and reverse phase high performance liquid chromatography 本文報(bào)道從虎紋捕鳥蛛(ornithochoctonushuwena)粗毒中,應(yīng)用陽離子交換和反相高效液相色譜的方法分離到一種胰蛋白酶抑制劑,命名為huwentoxin-(hwtx-)。