A traditional HPLC and a rapid resolution (RRLC) method coupled with triple Q MS was established to determine the di-methyl di-carbamidine in plasma.Result showed that RRLC-MS/MS obtained a low LOD at 0.14 pg on colum...A traditional HPLC and a rapid resolution (RRLC) method coupled with triple Q MS was established to determine the di-methyl di-carbamidine in plasma.Result showed that RRLC-MS/MS obtained a low LOD at 0.14 pg on column compared to 0.83 pg by conventional HPLC-MS/MS and thus increased sensitivity by 6 times,shortened analytical time by 3 times while maintaining a satisfactory testing result using Agilent LCQQQ.展开更多
A rapid and quantitative method for determination of MG and LMG in food was established by Agilent 6410 LCQQQ.ESI(+)and MRM mode was applied in MS qualification and quantitation,the method is free of traditional emplo...A rapid and quantitative method for determination of MG and LMG in food was established by Agilent 6410 LCQQQ.ESI(+)and MRM mode was applied in MS qualification and quantitation,the method is free of traditional employment of PbO2 oxidation column.It is very sensitive and rapid.LOQ reaches 0.01 μg/kg and meets the requirement of EU and JPL for residue testing.展开更多
Agilent 6410 LCQQQ was employed to determine small molecule acrylamine in food.Rapid and quantitative analysis was achieved.LOQ of the method was obtained at 10 ng/mL,while LOD was observed at 1 ng/mL.Real samples of ...Agilent 6410 LCQQQ was employed to determine small molecule acrylamine in food.Rapid and quantitative analysis was achieved.LOQ of the method was obtained at 10 ng/mL,while LOD was observed at 1 ng/mL.Real samples of tea with different varieties and processing techniques were run and different amount of acrylamine was found in those samples.展开更多
文摘A traditional HPLC and a rapid resolution (RRLC) method coupled with triple Q MS was established to determine the di-methyl di-carbamidine in plasma.Result showed that RRLC-MS/MS obtained a low LOD at 0.14 pg on column compared to 0.83 pg by conventional HPLC-MS/MS and thus increased sensitivity by 6 times,shortened analytical time by 3 times while maintaining a satisfactory testing result using Agilent LCQQQ.
文摘A rapid and quantitative method for determination of MG and LMG in food was established by Agilent 6410 LCQQQ.ESI(+)and MRM mode was applied in MS qualification and quantitation,the method is free of traditional employment of PbO2 oxidation column.It is very sensitive and rapid.LOQ reaches 0.01 μg/kg and meets the requirement of EU and JPL for residue testing.
文摘Agilent 6410 LCQQQ was employed to determine small molecule acrylamine in food.Rapid and quantitative analysis was achieved.LOQ of the method was obtained at 10 ng/mL,while LOD was observed at 1 ng/mL.Real samples of tea with different varieties and processing techniques were run and different amount of acrylamine was found in those samples.