Another pretreatment method using cation-ion exchange solid-phase extraction (MCX-SPE) was employed for determining most of the PAs that are not contained in the herbal medicines. That is, the proposed LC–MS/MS method coupled with MCX-SPE extraction and 50% MeOH extraction method was ...
I suddenly felt an urgent need to call mother and ask if she was all right.At first I hesitated,since my mother taught fourth grade,calling her at 7∶15 a.m.could interrupt her routine and made her late for work.But something compelled me to go ahead and call her...
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(version 22.2.0.312) using the DIA wizard. Precursor and ion charges were set to 2, 3 4 and 1, 2, 3, respectively, and shuffle sequence chosen as the decoy generation method. Semi-tryptic cleavage with 1 missed cleavage was allowed for. Precursor mass tolerance was set to 10 ppm and ...