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A surface plasmon resonance (SPR) biosensor inhibition immunoassay for determination of ractopamine (Rac) residue in pork was constructed by immobilising Rac derivative on the SPR-2004 biosensor chip. After extraction with perchloric acid, pork sample was cleaned by ethyl acetate and analyzed by SPR-2004 biosensor. The limit of detection (LOD) was 0.6μg/kg for pork sample. Recoveries of Rac were higher...
Surface area is a fundamental parameter derived from terrain analysis in geographical information systems (GIS) for modeling the real world. Therefore, an evaluation of the techniques implemented by GIS models is important in order to obtain reliable area measurements. The study compares two raster-based methods with a TIN-based (triangulated irregular network) method for surface area approximation...
In this paper, the possibility of treatment for metal complex dyes (Neutral Bordeaux GRL, Neutral Pink BL and Neutral Blue BNL) using UV/H2O2 process in neutral aqueous solution was monitored. Based on pseudo-first-order kinetic model, the effect of UV intensity on decolorization rate constants was studied. The results showed that the decolorization rate constants were obviously enhanced with the...
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