molecular imprinting


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molecular imprinting

[mə¦lek·yə·lər ′im‚print·iŋ]
(physical chemistry)
A technique for creating receptor structures on a polymer surface that can selectively bind to molecules of interest, molecularly imprinted polymers are used for separations, as catalysts, and in biosensors.
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He said that some of countries imposed ban on such hazard chemicals including DEHP, DBP, DIBP, and BBP generally and particularly in pediatrics neonatal and maternity wards accessories in hospitals and they have started the use of molecular imprinting popular technology for removing phthalates.
Molecular imprinting is a form of template assisted synthesis that facilitates the creation of artificial receptors that can have affinity constants as high as their natural counterparts.
The first molecular imprinting medium reported in literature was that of dye molecules in silica matrix (1).
Molecular imprinting is a tool for synthesizing tailor-designed molecular recognition sites in polymers structured at micrometer and nanometer scales.
Also reports about the molecular imprinting as a promising technology for preparing artificial receptors based on molecularly imprinted polymers containing tailor-made recognition sites were presented.
Junqiu Liu, combines a range of methods including molecular imprinting, supramolecular self-assembly, and genetic engineering and employ a range of macromolecular scaffolds, including dendrimers, polymeric micelles, polymer nanoparticles, hydrogels, giant nanotubes and proteins in their study of selenoenzymes, which they hope will lay the ground work for future research to investigate not just selenoenzymes but to help elucidate further the catalytic function of enzymes in a wider context.
The detection can be read in real time, instead of after days or weeks of laboratory analysis, meaning the nanotube molecular imprinting technique could pave the way for biosensors capable of detecting human papillomavirus or other viruses weeks sooner than available diagnostic techniques currently allow.
Molecular imprinting techniques have shown that polymer structures can be used in the development of sensors capable of recognizing certain organic compounds, but recognizing proteins has presented a difficult set of challenges.
International contributors to 11 chapters treat topics including nanoscale properties, preparation methods, stress control in thin films, applications (some of which are bio-mimetic), and the formation of polymers with a "molecular memory" via molecular imprinting.
Molecular imprinting is a novel method for designing materials with molecular memory, which consists of cavities that bear the shape and dimensions of a template molecule.
Over the next three years the Cluster will develop environmentally acceptable techniques--using molecular imprinting of polymers and foam fractionation--to extract these materials in the laboratory," Hearn says.
The objective of this project was to immobilize glucose oxidase (GOx) through a novel approach in molecular imprinting in order to not only retain but also increase enzyme stability and efficiency.
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