نتایج جستجو برای: surface molecularly imprinted polymer

تعداد نتایج: 725954  

2014
Samuel Kassahun Mamo Jose Gonzalez-Rodriguez

The explosive triacetone triperoxide (TATP), which can be prepared from commercially readily available reagents following an easy synthetic procedure, is one of the most common components of improvised explosive devices (IEDs). Molecularly-imprinted polymer (MIP) electrochemical sensors have proved useful for the determination of different compounds in different matrices with the required sensi...

Journal: :Molecules 2007
Francesco Puoci Francesca Iemma Giuseppe Cirillo Nevio Picci Pietro Matricardi Franco Alhaiqu

The aim of this work was to investigate the possibility of employing Molecularly Imprinted Polymers (MIPs) as a controlled release device for 5-fluorouracil (5-FU) in biological fluids, especially gastrointestinal ones, compared to Non Imprinted Polymers (NIPs). MIPs were synthesized using methacrylic acid (MAA) as functional monomer and ethylene glycol dimethacrylate (EGDMA) as crosslinking ag...

Journal: :The Analyst 2015
Hironori Taguchi Hirobumi Sunayama Eri Takano Yukiya Kitayama Toshifumi Takeuchi

Molecularly imprinted polymers bearing peptide fragment-based binding sites within the protein-imprinted cavities were prepared by copolymerization of the acrylated protein with 6-monoacryloyl-trehalose and 6,6'-diacryloyl-trehalose as a hydrophilic comonomer and a crosslinker respectively, followed by enzymatic decomposition of the grafted protein into the polymer matrix with pepsin, resulting...

2012
Malgorzata Szultka Jacek Szeliga Marek Jackowski Boguslaw Buszewski

Novel molecularly imprinted polymer (MIP)-coated fibers for solid-phase microextraction (SPME) fibers were prepared by using linezolid as the template molecule. The characteristics and application of these fibers were investigated. The polypyrrole, polythiophene, and poly(3-methylthiophene) coatings were prepared in the electrochemical polymerization way. The molecularly imprinted SPME coatings...

2017
Yawar Abbas Johan Bomer Marjolein Brusse-Keizer Kris Movig Paul van der Valk Marcel Pieterse Loes Segerink Wouter Olthuis Albert van den Berg

A cotinine sensor based on the dc resistance of a polymer composite films is presented. The composite film comprises a cotinine selective molecularly imprinted polymer and carbon nanotube particles. This polymer film is deposited over a gold interdigitated electrode array to measure its electrical resistance. The electrical resistance of the imprinted polymer changes upon its selective binding ...

2016
Katarzyna Smolinska-Kempisty Antonio Guerreiro Francesco Canfarotta César Cáceres Michael J. Whitcombe Sergey Piletsky

Here we show that molecularly imprinted polymer nanoparticles, prepared in aqueous media by solid phase synthesis with immobilised L-thyroxine, glucosamine, fumonisin B2 or biotin as template, can demonstrate comparable or better performance to commercially produced antibodies in enzyme-linked competitive assays. Imprinted nanoparticles-based assays showed detection limits in the pM range and p...

Journal: :Analytical chemistry 2012
Pieterjan Lenain José Diana Di Mavungu Peter Dubruel Johan Robbens Sarah De Saeger

The first successfully developed molecularly imprinted polymer toward six ergot alkaloids and their respective epimers is described. A new imprinting molecule, metergoline, was used as template analogue in the production of suspension polymerized beads. These spherical particles functioned as selective sorbent in a solid-phase extraction column. The application of this column in the cleanup of ...

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.

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