نتایج جستجو برای: molecular imprinting

تعداد نتایج: 642093  

2015
Sonia Scorrano Lucia Mergola Maria Pia Di Bello Maria Rosaria Lazzoi Giuseppe Vasapollo Roberta Del Sole John George Hardy

An important challenge for scientific research is the production of artificial systems able to mimic the recognition mechanisms occurring at the molecular level in living systems. A valid contribution in this direction resulted from the development of molecular imprinting. In this work, a novel molecularly imprinted polymer composite membrane (MIM) was synthesized and employed for the selective...

2016
Zhenzhong Guo Anca Florea Mengjuan Jiang Yong Mei Weiying Zhang Aidong Zhang Robert Săndulescu Nicole Jaffrezic-Renault Naba K. Dutta

The present review describes recent advances in the concept of molecular imprinting using metal organic frameworks (MOF) for development of chemical sensors. Two main strategies regarding the fabrication, performance and applications of recent sensors based on molecularly imprinted polymers associated with MOF are presented: molecularly imprinted MOF films and molecularly imprinted core-shell n...

2010
R. Sharma

Molecular imprinting has proved to be an effective technique for generating specific recognition sites in synthetic nanopolymers. These sites are tailor-made in situ by copolymerization of functional monomers and cross-linked around the template molecules. The print molecules are subsequently extracted from the polymer, leaving accessible complementary binding sites in the polymer network. Desp...

Journal: :Macromolecular Reaction Engineering 2023

Abstract Surface molecularly imprinted cellulose‐synthetic hybrid particles are prepared via atom transfer radical polymerization (ATRP). The two‐step process involves the immobilization of α‐bromoisobutyryl bromide in pristine microcrystalline cellulose, to generate ATRP macroinitiator particles, and then creation a crosslinked‐imprinted shell surface considering 4‐vinylpyridine (4VP) ethylene...

Journal: :Scientia Pharmaceutica 2022

The most challenging step in developing bioanalytical methods is finding the best sample preparation method. matrix interference effect of biological become a reason that. Molecularly imprinted SERS potential analytical method to be developed answer this challenge. In article, we review recent progress MIP application particularly bioanalysis. Begin with explanation about molecular imprinting t...

2012
Karel De Winter Wim Soetaert Tom Desmet

The industrial use of sucrose phosphorylase (SP), an interesting biocatalyst for the selective transfer of α-glucosyl residues to various acceptor molecules, has been hampered by a lack of long-term stability and low activity towards alternative substrates. We have recently shown that the stability of the SP from Bifidobacterium adolescentis can be significantly improved by the formation of a c...

Journal: :Biomaterials 2004
Paraskevi Parmpi Peter Kofinas

Non-covalent molecular imprinting of poly(allylamine hydrochloride) (PAA.HCl) with D-glucose 6-phosphate monobarium salt (GPS-Ba) produced molecularly imprinted polymer hydrogels (MIP) having an affinity to glucose over fructose. The hydrogels were formed by ionic association of the template molecule, GPS-Ba, to the polymer, prior to covalent crosslinking using epichlorohydrin (EPI). The templa...

Journal: :Biomaterials 2006
Linden D Bolisay James N Culver Peter Kofinas

Molecular imprinted Polymers (MIP) targeted for Tobacco mosaic virus (TMV) have been synthesized. Batch equilibrium studies using imprinted and non-imprinted polymer hydrogels in TMV and TNV solutions were conducted to determine virus-binding capacities. TMV-imprinted hydrogels showed increased binding to TMV (8.8 mg TMV/gpolymer) compared to non-imprinted hydrogels (4.2 mg TMV/gpolymer). Furth...

Journal: :Genetics 1999
S Bongiorni O Cintio G Prantera

The phenomenon of chromosome, or genomic, imprinting indicates the relevance of parental origin in determining functional differences between alleles, homologous chromosomes, or haploid sets. In mealybug males (Homoptera, Coccoidea), the haploid set of paternal origin undergoes heterochromatization at midcleavage and remains so in most of the tissues. This different behavior of the two haploid ...

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