A method for determination of pyraclostrobin in vegetables by UPLC-MS/MS was established.Pyraclostrobin was extracted by acetonitrile and cleaned by Bond Elut PlexaTM PCX cartridges.The analyte was separated with 5 ...A method for determination of pyraclostrobin in vegetables by UPLC-MS/MS was established.Pyraclostrobin was extracted by acetonitrile and cleaned by Bond Elut PlexaTM PCX cartridges.The analyte was separated with 5 mmol/L ammonium acetate(containing 0.1% formic acid)-acetonitrile as mobile phase and determined by UPLC-MS/MS.The quantitation limit in vegetables was 1.0 ng/kg.When spiked 1-10 ng/kg in vegetables,the mean recovery was over 70%,and the RSDs were less than 12%.展开更多
为建立我国特有的珍稀水生动物中国鲎的分子保护方法,根据GenBank中中国鲎及其他17种节肢动物门动物的mtDNA细胞氧化酶Ⅲ(COXⅢ)基因序列,应用DNA Star 7.0软件设计特异性引物,建立了中国鲎SYBR GreenⅠ实时荧光PCR鉴定方法。结果表明,...为建立我国特有的珍稀水生动物中国鲎的分子保护方法,根据GenBank中中国鲎及其他17种节肢动物门动物的mtDNA细胞氧化酶Ⅲ(COXⅢ)基因序列,应用DNA Star 7.0软件设计特异性引物,建立了中国鲎SYBR GreenⅠ实时荧光PCR鉴定方法。结果表明,所设计的引物对中国鲎DNA具有特异性,为保护我国珍稀动物进行了有益的探索。展开更多
文摘A method for determination of pyraclostrobin in vegetables by UPLC-MS/MS was established.Pyraclostrobin was extracted by acetonitrile and cleaned by Bond Elut PlexaTM PCX cartridges.The analyte was separated with 5 mmol/L ammonium acetate(containing 0.1% formic acid)-acetonitrile as mobile phase and determined by UPLC-MS/MS.The quantitation limit in vegetables was 1.0 ng/kg.When spiked 1-10 ng/kg in vegetables,the mean recovery was over 70%,and the RSDs were less than 12%.
文摘为建立我国特有的珍稀水生动物中国鲎的分子保护方法,根据GenBank中中国鲎及其他17种节肢动物门动物的mtDNA细胞氧化酶Ⅲ(COXⅢ)基因序列,应用DNA Star 7.0软件设计特异性引物,建立了中国鲎SYBR GreenⅠ实时荧光PCR鉴定方法。结果表明,所设计的引物对中国鲎DNA具有特异性,为保护我国珍稀动物进行了有益的探索。