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A highly sensitive HPLC-MS/MS assay method was established to quantify 20(S)-protopanaxadiol (PPD) in human plasma with dexamethasone as an internal standard. The electrospray ion mass spectrometry(More)
Rapid and selective enrichment of phosphopeptides from complex biological samples is essential and challenging in phosphorylated proteomics. In this work, for the first time, niobium ions were(More)
Curcumol, germacrone and curdione are the main active ingredients in a common traditional Chinese medicine (TCM) of Rhizoma Curcuma, and commonly used as the TCM quality control markers. In the(More)