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A validated method is described for the simultaneous analysis of PGE2, 11-, 12-, and 5-HETEs from cultured cells using HPLC negative electrospray ionization tandem mass spectrometry (LC/MS/MS). This(More)
The rare earth elements play a very important role in today's manufacture and life. For their complex spectra it is difficult to determine the trace elements in rare earth element matrix. This work(More)