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Tienes que resitir aun cuando sea dificil!!! Hi! Welcome to Lovely Autumn. 21 degree is my favour temperature. That why I love Autumn.贈るあなたすべての私の愛 秋の物語

Saturday, September 23, 2006

Experiment 1 Solid-phase extraction (21/9)
Solid-phase extraction (SPE) is an extraction method that uses a solid phase and a liquid phase to isolate one.
Illustration of a solid-phase extraction set-up
SPE is necessary to remove interfering matrix constituents such as proteins and quantify to pg/mL
levels, particularly for metabolites and bioactive drugs.

This technique works with three major purposes. First, it used to detect the component of interest in low concentration. Second, it used to detect the sample which include matrix interference. Third, it always analyses the sample by using HPLC, GC, spectrometry, RIA, etc.

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