نتایج جستجو برای: hplc esi msms
تعداد نتایج: 41612 فیلتر نتایج به سال:
BACKGROUND Xuesaitong (XST) injection, consisting of total saponins from Panax notoginseng, was widely used for the treatment of cardio- and cerebro-vascular diseases in China. This study develops a simple and global quality evaluation method for the quality control of XST. METHODS High performance liquid chromatography-ultraviolet detection (HPLC-UV) was used to identify and quantify the chr...
Magnetic soft materials (MSMs) and magnetic shape memory polymers (MSMPs) have been some of the most intensely investigated newly developed material types in last decade, thanks to great versatile potential their innovative characteristic behaviors such as remote nearly heatless transformation case MSMs. With regard a number properties recovery ratio, manufacturability, cost or programming pote...
Flavonoids in nine tissues of Nelumbo nucifera Gaertner were identified and quantified by high-performance liquid chromatography with diode array detector (HPLC-DAD) and HPLC-electrospray ionization-mass spectrometry (HPLC-ESI-MSn). Thirty-eight flavonoids were identified; eleven C-glycosides and five O-glycosides were discovered for the first time in N. nucifera. Most importantly, the C-glycos...
The cultivated almond displays a gametophytic self-incompatibility system, which avoids self-fertilization, and it is controlled by multi-allelic locus (S-locus) containing two genes specifically expressed in pistil (S-RNase) pollen (SFB). Studies on almonds with the same S-haplotype but different phenotype pointed to existence of unknown components this system explain its functioning. increase...
Members of a family of catecholate siderophores, called salmochelins, were isolated by reversed-phase HPLC from Salmonella enterica serotype Typhimurium and structurally characterized by Fourier transform ion cyclotron resonance-MSMS and GC-MS. The tentative structure of salmochelin 1 contained two 2,3- dihydroxybenzoylserine moieties bridged by a glucose residue, bound to the serine hydroxyl g...
Surge in consumption of healthy and safe foods has challenged researchers to develop sensitive, precise, robust detection quantification food contaminants like acrylamide even if they are present trace. Keeping this view, a sensitive analytical method was developed validated for potato-based product (potato cutlet), using LC-MSMS with positive electrospray ionization (+ESI). The consists adding...
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