本研究探讨应用荧光染色试剂Calcofluor White M2R染色鉴别家蚕微孢子虫Nosema bombycis。结果表明:在荧光显微镜下可见家蚕微孢子虫孢子被染上强烈的青蓝色荧光,而寄主组织碎片、病毒、细菌等不被染色。该法是一种快速有效鉴别微孢子...本研究探讨应用荧光染色试剂Calcofluor White M2R染色鉴别家蚕微孢子虫Nosema bombycis。结果表明:在荧光显微镜下可见家蚕微孢子虫孢子被染上强烈的青蓝色荧光,而寄主组织碎片、病毒、细菌等不被染色。该法是一种快速有效鉴别微孢子虫的方法。展开更多
A new hemiterpenoid, (+)-(2R,3S)-2-chloro-3-hydroxy-3-methyl-T-buty-rolactone was isolatexi from the leaves of Prinsepia utilis Royle. Its structure was clucidatexi by spectroscopic methods and X-ray crystallogra...A new hemiterpenoid, (+)-(2R,3S)-2-chloro-3-hydroxy-3-methyl-T-buty-rolactone was isolatexi from the leaves of Prinsepia utilis Royle. Its structure was clucidatexi by spectroscopic methods and X-ray crystallographic analysis.展开更多
文摘A new hemiterpenoid, (+)-(2R,3S)-2-chloro-3-hydroxy-3-methyl-T-buty-rolactone was isolatexi from the leaves of Prinsepia utilis Royle. Its structure was clucidatexi by spectroscopic methods and X-ray crystallographic analysis.