نتایج جستجو برای: focusing method
تعداد نتایج: 1715181 فیلتر نتایج به سال:
Denaturing Isoelectric Focusing Free-Flow Electrophoresis (IEF-FFE) Fractionation of Crude Protein Mixtures Peter J.A. Weber, Gerhard Weber, and Christoph Eckerskorn This protocol was adapted from "Denaturing IEF-FFE Fractionation of Crude Protein Mixtures," contributed by Peter J.A. Weber, Gerhard Weber, and Christoph Eckerskorn, Chapter 19, in Purifying Proteins for Proteomics (ed. Simpson). ...
all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...
for several years, researchers in familiarity of efl teachers with post-method and its role in second and foreign language learners’ productions have pointed out that the opportunity to plan for a task generally develops language learners’ development (ellis, 2005). it is important to mention that the critical varies in language teaching was shown is the disappearances of the concept of method ...
LEVEL: INTERMEDIATE D iscovery, development, and commercialization of novel biologics frequently involve collaboration between two or more companies. In the context of these business relationships, transfer of technology from one institution to another is a crucial step that needs to be executed f lawlessly and rapidly. Follow-up activities usually include the development of productive, reliabl...
Detection of CSF Leakage by Isoelectric Focusing on Polyacrylamide Gel, Direct Immunofixation of Transferrins, and Silver Staining, Freek W.C. Roelandse,* Nico van der Zwart, Jan H. Didden, Jenny van Loon, and John H.M. Souverijn (Dept. of Clin. Chem., Leiden Univ. Medical Centre, Albinusdreef 2, 2333 ZA Leiden, The Netherlands; *author for correspondence: fax 1 31/71/5266753, e-mail roelandse@...
Different methods for the isolation of soluble proteins were applied to cell cultures of three apple cultivars (Malus sylvestris Mill.), best results being obtained with a rapid technique based on freezing and thawing. Ultrathin-layer isoelectric focusing followed by an improved silver staining method has shown that proteins from apple callus cultures consist of some 60 to 80 zones, with isoele...
in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...
Dynamic focusing of particles can be used to centre particles in a fluid stream, ensuring the passage of the particles through a specified detection volume. This paper describes a method for focusing nanoparticles using dielectrophoresis. The method differs from other focusing methods in that it manipulates the particles and not the fluid. Experimental focusing is demonstrated for a range of di...
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