نتایج جستجو برای: imprinted polymer

تعداد نتایج: 98588  

Journal: :Applied Physics Letters 2023

Advancement in molecularly imprinted biomimetics has aided developing robust artificial recognition-based materials, which can be customized for bio/chemo-sensing of distinct molecules. The present study reports a simple one-step synthesis and analysis protein-imprinted polymer thin films as recognition element directly onto solid support. Dopamine been explored versatile functional monomer (MI...

2007
A Rechichi C Cristallini U Vitale G Ciardelli N Barbani G Vozzi P Giusti

Molecular imprinting is a technique for the synthesis of polymers capable to bind target molecules selectively. The imprinting of large proteins, such as cell adhesion proteins or cell receptors, opens the way to important and innovative biomedical applications. However, such molecules can incur into important conformational changes during the preparation of the imprinted polymer impairing the ...

Journal: :IOP Conference Series: Materials Science and Engineering 2020

Journal: :iranian journal of chemistry and chemical engineering 0

in this work, the template, monomer and cross-linker with the ratio of 1:8:40 were used to synthesize molecularly imprinted polymers (mips) for extraction of the bioactive chemical compounds from some traditional herbs as a sorbent material. quercetin, methacrylic acid (maa), trimethylolpropanetrimethacrylate (trim) and tetrahydrofuran (thf) were used as a template, functional monomer, cross-li...

Heravizadeh, Omid Reza , Khadem, Monireh , Nabizadeh, Ramin , Shahtaheri, Seyed Jamaleddin ,

Introduction: Along with the extensive production and use of various pesticides for controlling pests and enhancing the production of agricultural crops, there is a growing concern about the adverse effects of these toxic materials on human health. Therefore, the development of sensitive, selective, and accurate methods for continuous assessment of pesticides concentration in occupational and e...

Journal: :Molecules 2007
Piotr Luliński Dorota Maciejewska Magdalena Bamburowicz-Klimkowska Mirosław Szutowski

A dopamine-imprinted polymer (MIP) was prepared in aqueous methanol solution at 60(o)C by free-radical cross-linking polymerization of methacrylic acid in the presence of ethylene glycol dimethacrylate as the cross-linker and dopamine hydrochloride as the template molecule. Its ability to isolate dopamine was evaluated as the basis of a solid phase extraction procedure and compared with that of...

Journal: :Nature nanotechnology 2010
Dong Cai Lu Ren Huaizhou Zhao Chenjia Xu Lu Zhang Ying Yu Hengzhi Wang Yucheng Lan Mary F Roberts Jeffrey H Chuang Michael J Naughton Zhifeng Ren Thomas C Chiles

Molecular imprinting is a technique for preparing polymer scaffolds that function as synthetic receptors. Imprinted polymers that can selectively bind organic compounds have proven useful in sensor development. Although creating synthetic molecular-imprinting polymers that recognize proteins remains challenging, nanodevices and nanomaterials show promise in this area. Here, we show that arrays ...

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: :Food chemistry 2017
Elahe Kazemi Shayessteh Dadfarnia Ali Mohammad Haji Shabani Mansoureh Ranjbar

A novel Zn(II) imprinted polymer was synthesized via a co-precipitation method using graphene oxide/magnetic chitosan nanocomposite as supporting material. The synthesized imprinted polymer was characterized by Fourier transform infrared spectrometry (FTIR) and scanning electron microscopy (SEM) and applied as a sorbent for selective magnetic solid phase extraction of zinc followed by its deter...

2011
Usman Latif Franz L. Dickert

Conductometric sensors have been fabricated by applying imprinted polymers as receptors for monitoring engine oil quality. Titania and silica layers are synthesized via the sol-gel technique and used as recognition materials for acidic components present in used lubricating oil. Thin-film gold electrodes forming an interdigitated structure are used as transducers to measure the conductance of p...

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