نتایج جستجو برای: surface molecularly imprinted polymer

تعداد نتایج: 725954  

2017
Nadia El Alami El Hassani Soukaina Motia Benachir Bouchikhi Nezha El Bari

Doxycycline (DXy) is a cycline antibiotic, most frequently prescribed to treat bacterial infections in veterinary medicine. However, its broad antimicrobial activity and low cost, lead to an intensive use, which can seriously affect human health. Therefore, its spread in the food products has to be monitored. The scope of this work was to synthetize a sensitive and very selective molecularly im...

Journal: :Journal of chemical research 2021

A simple and efficient electrochemical sensor based on a homemade reshaped micropipette tip carbon paste electrode is reported. Molecularly imprinted polymer membranes of graphene oxide polypyrrole are synthesized modified the surface electrode. The merit method evaluated under optimized conditions via differential pulse voltammetrics. prepared exhibits remarkable sensitivity toward dopamine wi...

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...

2004
Ebru Oral Nicholas A. Peppas

Mechanisms of interaction of a three-dimensional polymer with solutes are of interest in the development and function of synthetic biomimetic polymers. We have investigated the effects of template/monomer interactions and template concentration on conversion and polymerization rates of a molecularly imprinted polymer. Copolymers of 2-hydroxyethyl methacrylate (HEMA) and poly(ethylene glycol) di...

2013
Annika M. Rosengren Björn C. G. Karlsson Ian A. Nicholls

The relationship between molecularly imprinted polymer (MIP) morphology and template-rebinding over a series of warfarin-imprinted methacrylic acid co(ethylene dimethacrylate) polymers has been explored. Detailed investigations of the nature of template recognition revealed that an optimal template binding was obtained with polymers possessing a narrow population of pores (~3-4 nm) in the meso...

Journal: :Journal of Polymer Research 2021

Ofloxacin is an important drug with anti-bacterial effects, and (–)-ofloxacin has been shown to have better activity than racemic ofloxacin. But the chiral resolution of compounds a major challenge worldwide. Many methods do not show high specificity target molecules, causing errors in separation these pharmaceutical thus affecting purity drugs. The paper mainly researches on method for quick o...

Journal: :Biosensors & bioelectronics 2008
R Thoelen R Vansweevelt J Duchateau F Horemans J D'Haen L Lutsen D Vanderzande M Ameloot M vandeVen T J Cleij P Wagner

Mimicking the selectivity and sensitivity of biological systems for sensor devices is of increasing interest in biomedical, environmental and chemical analysis. Synthetic materials with imprinted nanocavities, acting as highly selective artificial receptors, are a tailor-made solution in obtaining such a sensor. Incorporation of such molecularly imprinted polymers (MIPs) in a platform suitable ...

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