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A new approach based on online pyrolysis-comprehensive gas chromatography/mass spectrometry (Py-GCxGC/MS) is introduced for analysis of lacquer saps with potential applications to analysis of Asian lacquers. The bidimensional GCxGC separation demonstrated its benefits for characterization of the markers of lacquer saps, alkylhydrocarbons, alkylbenzenes, alkylphenols, and alkylcatechols, in a visual...
Analytical high-speed counter-current chromatography (HSCCC), a unique liquid-to-liquid separation technology, has an inherent capability to provide perfect fractionation for tracking active ingredients of medicinal herbs, in a quick, efficient, and high-recovery manner. A high throughput screening (HTS) method which utilizes a novel biosensor that selectively detects apoptosis based on the fluorescence...
A simple, rapid, reverse-phase high performance liquid chromatographic method was developed for the quantitative analysis of pseudolaric acids in Cortex Pseudolaricis and its related medicinal products. With a C 18 analytical column (4.6mm×150mm i.d.), five pseudolaric acids, namely pseudolaric acids A–C, pseudolaric acid A-O-β-d-glucopyranoside and pseudolaric acid B-O-β-d-glucopyranoside,...
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