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...
for me but i ___ to pass the final exam with a fairly good grade.5.mary is my best friend and i always ___ my secrets with her .6.the lost traveler was filled with___ when he saw a bear running toward him7.when you're away from your family,you h...
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 fragment mass