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chromatography
chromatography
chromatography (kroh-mă-tog-răfi) n. any of several techniques for separating the components of a mixture by selective absorption. In two such techniques, widely used in medicine, a sample of the mixture is placed at the edge of a sheet of filter paper (
paper c.) or a column of a powdered absorbent (
column c.). The components of the mixture are absorbed to different extents and thus move along the paper or column at different rates.
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Chromatography Methods
Magazine article from: Journal of Validation Technology; 7/1/2009; ; 700+ words
; ...article discusses various types of column chromatography that are used for purification in the biotech industry. These include affinity chromatography, ion exchange chromatography, gel filtration chromatography, hydrophobic...
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Process Chromatography: Five Decades of Innovation
Magazine article from: Biopharm International; 2/1/2007; ; 700+ words
; Over the years, chromatography has become the central enabling technology in all biopharmaceutical...ABSTRACT This article explores the development of process chromatography. Process chromatography was first applied to the removal of low molecular weight...
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Rethinking the economics of chromatography: New technologies and hidden costs
Magazine article from: Biopharm International; 1/1/2003; ; 700+ words
; ...This comparison between resin and membrane chromatography helps shed light on some hidden costs. In...intimately familiar with: membrane-based chromatography. Membrane chromatography can offer advantages over traditional resinbased...
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Chromatography
Magazine article from: Biopharm; 12/1/2000; ; 700+ words
; Column chromatography: separation method in which different...processes rely on at least one column chromatography step, The number and sequence...usually tailored to the protein. Chromatography can be described both in somewhat...
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Market profile: disposable chromatography.
Newspaper article from: Instrument Business Outlook; 7/15/2008; 700+ words
; ...scientists bring up the subject of liquid chromatography (LC), complexity and high cost...While the market for single-use chromatography is quite small and has very few vendors...potential within the purification chromatography market. LC generally requires high...
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Innovations of membrane chromatography
Magazine article from: Pharmaceutical Technology North America; 9/1/2002; ; 700+ words
; ...dynamic binding capacity of membrane chromatography makes it useful in various potential...the biopharmaceutical industry, chromatography is a critical technology used in downstream processing. Chromatography is an ideal method with which...
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Reliability of Extraction/Chromatography RIAs
Magazine article from: Clinical Chemistry; 4/1/2004; ; 700+ words
; ...values determined by isotope dilution-gas chromatography-mass spectrometry (ID-GC/MS). They...solvent extraction and Celite column partition chromatography (extraction/chromatography RIA) as the reference (gold) standard...
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High pressure liquid chromatography in coatings analysis.(Technology Today)
Magazine article from: JCT CoatingsTech; 6/1/2005; ; 700+ words
; High pressure liquid chromatography (HPLC) is an established standard...applications of HPLC and gel permeation chromatography (GPC) methods in the analysis...INTRODUCTION Liquid chromatography (LC) is probably the most commonly...
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Essential Pharmaceutical and Environmental Analysis of Nano Chromatography and Capillary Electrophoresis.
M2 Presswire; 4/29/2009; 700+ words
; ...and Environmental Analysis of Nano Chromatography and Capillary Electrophoresis(C...and Sons Ltd's new report "Nano Chromatography and Capillary Electrophoresis: Pharmaceutical...detection, and application of nano chromatography (that is, any chromatographic and...
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Two techniques hold promise for process liquid chromatography.(simulated moving bed chromatography and expanded bed absorption or fluidized bed chromatography)
Newspaper article from: Instrument Business Outlook; 9/30/2002; 700+ words
; While liquid chromatography is a long-time established technique...applications, the use of liquid chromatography for industrial processing is not...power and flexibility of liquid chromatography, and new liquid chromatography...
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Chromatography
Encyclopedia entry from: The Gale Encyclopedia of Science
Chromatography The development of chromatography Types of chromatographic attraction Industrial applications of chromatography Resources Chromatography refers to a variety of related laboratory techniques for separating mixtures of chemicals into...
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chromatography
Book article from: The Columbia Encyclopedia, Sixth Edition
chromatography , resolution of a chemical mixture into its component...separation of highly colored compounds, hence the name chromatography [Gr.,=color recording]. Column Chromatography In column chromatography the adsorbant is packed...
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Thin Layer Chromatography
Book article from: World of Forensic Science
Thin Layer Chromatography A central part of many forensic investigations is the...identify individual components in a mixture of compounds is chromatography . One type of chromatography that is relevant in forensic science is thin layer chromatography...
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HPLC: High-Performance Liquid Chromatography
Book article from: Genetics
HPLC: High-Performance Liquid Chromatography High-performance liquid chromatography (HPLC) is an advanced form of liquid chromatography used in separating the complex mixture of molecules encountered in chemical and biological systems, in...
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gas chromatography
Book article from: A Dictionary of Earth Sciences
gas chromatography Analytical technique in which the...support (gas—liquid chromatography), or between the gas and a solid...stationary phase (gas—solid chromatography). Partitioning occurs repeatedly...
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