نتایج جستجو برای: immunoaffinity cleanup
تعداد نتایج: 3711 فیلتر نتایج به سال:
We introduce and experimentally demonstrate the concept of all-optical beam switching in graded-index multimode optical fibers. Nonlinear coupling between orthogonally polarized seed signal beams permits to control spatial quality at fiber output. Remarkably, we show that even a weak few-mode may substantially enhance an intense, highly beam. propose simple geometrical representation operation,...
IN T RODUC T ION QuEChERS methodology is commonly used for sample preparation of fruits and fruit juices, prior to LC/MS or other analytical chromatography. Recently, a nonregistered fungicide residue, carbendazim, was detected in orange juice purchased at a local market. This juice was produced from orange juice concentrate imported into the USA. In this application note, we discuss sample pre...
A multi-residue method based on modified QuEChERS sample preparation with multi-walled carbon nanotubes (MWCNTs) as reversed-dispersive solid phase extraction (r-DSPE) material and gas chromatography-mass spectrometry determination by selected ion monitoring (GC/MS-SIM) mode was validated on 30 representative pesticides residues in vegetables and fruits. The acetonitrile-based QuEChERS (quick, ...
The lantibiotic nisin A was purified to homogeneity by a single-step immunoaffinity chromatography method. An immunoadsorption matrix was developed by direct binding of anti-nisin A monoclonal antibodies to N-hydroxysuccinimide-activated Sepharose. The purification procedure was rapid and reproducible and rendered much higher final yields of nisin than any other described method.
Executive Overview The term evidence-based management (EBMgt) is relatively new, though the idea of using research evidence to help make managerial decisions is not. In this paper we identify and clarify a number of common misconceptions about EBMgt. Rather than a single rigid method, EBMgt is a family of approaches that support decision making. It is something done by practitioners, not schola...
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