نتایج جستجو برای: molecularly imprinted polymer coated stir bar

تعداد نتایج: 181951  

Journal: :Chemical communications 2006
Iryna Tokareva Ihor Tokarev Sergiy Minko Eliza Hutter Janos H Fendler

An ultrathin novel nanosensor (31.5 +/- 4.1 nm thick in the absence of analytes), employing a molecularly imprinted polymer as a recognition element for cholesterol and gold nanoparticle enhanced transmission surface plasmon resonance spectroscopy for detection, was constructed.

Journal: :Chemical communications 2012
Yue Ma Ying Zhang Man Zhao Xianzhi Guo Huiqi Zhang

A facile, general, and highly efficient approach to obtain narrowly dispersed molecularly imprinted polymer microspheres with multiple stimuli-responsive template binding properties in aqueous media by successive RAFT polymerization is described.

2015
Saliza Asman Sharifah Mohamad Norazilawati Muhamad Sarih

The molecularly imprinted polymer (MIP) based on methacrylic acid functionalized β-cyclodextrin (MAA-β-CD) monomer was synthesized for the purpose of selective recognition of benzylparaben (BzP). The MAA-β-CD monomer was produced by bridging a methacrylic acid (MAA) and β-cyclodextrin (β-CD) using toluene-2,4-diisocyanate (TDI) by reacting the -OH group of MAA and one of the primary -OH groups ...

2010
Burcu Okutucu Azmi Telefoncu Karsten Haupt

Serotonin (5-hydroxytryptamine) is a biogenic amine that acts as a neurotransmitter in the central and peripheral nervous systems [1]. It is present in a variety of organisms, ranging from humans to species such as worms that have primitive nervous systems [2], and mediates a variety of physiological responses in distinct cell types. It is believed to play a role in the regulation of various co...

2018
Nam Van Ho Phan Hermann F. Sussitz Eva Ladenhauf Dietmar Pum Peter A. Lieberzeit

Herein we report novel approaches to the molecular imprinting of proteins utilizing templates sizing around 10 nm and some 100 nm. The first step comprised synthesizing nanoparticles of molecularly imprinted polymers (MIP) towards bovine serum albumin (BSA) and characterizing them according to size and binding capacity. In a second step, they were utilized as templates. Quartz crystal microbala...

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...

Methods routinely utilized for detection of phenylalanine in new-born blood consist of enzymatic assays, lacking sensitivity and HPLC assays which are expensive and time-consuming to conduct. We, here, report for the first time, the construction of a phenylalanine sensitive electrode, on the basis of a selective molecularly imprinted polymer, offering sensitivity, economy and ease of use for th...

Journal: :Electroanalysis 2023

The cover image is based on the Short Communication Determination of aflatoxin B1 by biomass derived porous carbon modified electrode with molecularly imprinted polymer Longyi Chen et al., DOI: 10.1002/elan.202200371.

Journal: :Talanta 2010
Amjad H El-Sheikh Rasha W Al-Quse Musa I El-Barghouthi Fida'a S Al-Masri

Molecularly imprinted polymer (MIP) may not selectively recognize small template of limited number of functional groups, such as 2-chlorophenol (2-CP). In this work, a novel method was proposed to improve the recognition ability of the molecularly imprinted solid phase extraction (MISPE) of 2-CP from environmental waters. This was achieved by derivatization of 2-CP with 4-amino-anti-pyrine (4-A...

2016
Judith V. Ray Fosca Mirata Celine Pérollier Michel Arotcarena Sami Bayoudh Marina Resmini

A signalling molecularly imprinted polymer was synthesised for easy detection of tamoxifen and its metabolites. 6-Vinylcoumarin-4-carboxylic acid (VCC) was synthesised from 4-bromophenol to give a fluorescent monomer, designed to switch off upon binding of tamoxifen. Clomiphene, a chlorinated analogue, was used as the template for the imprinting, and its ability to quench the coumarin fluoresce...

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