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New polyacrylates with stilbene and (S)-phenylalanine side chains for sensor applications. Synthesis and properties

Paper ID Volume ID Publish Year Pages File Format Full-Text
27909 44049 2009 7 PDF Available
Title
New polyacrylates with stilbene and (S)-phenylalanine side chains for sensor applications. Synthesis and properties
Abstract

A new acrylic monomer bearing trans-stilbene in structure, (S)-N-acryloylphenylalanine acid 4-styryl-benzyl ester (AcPheS), was prepared to be further free radically copolymerized with (S)-N-acryloylphenylalanine (AcPhe). The resulting copolymer, poly((S)-N-acryloylphenylalanine-co-(S)-N-acryloylphenylalanine acid 4-styryl-benzyl ester) (PPheS) was characterized by 1H NMR, UV–vis and FTIR spectroscopy, thermal analysis, GPC and specific optical rotation measurements. The copolymer composition was estimated from the NMR analysis, this being of 4:1 (AcPhe:AcPheS). The photobehavior of the copolymer in solution and thin film was evaluated comparatively to that of the parent monomer using UV–vis spectroscopy, and atomic force microscopy (AFM) for the polymeric film exposed to UV irradiation. Quenching of the stilbene species by purine and pyrimidine bases in DMF solution excited at 267 nm and 334 nm was evidenced, more efficiently being adenine.

Keywords
Copolymerization; Polyacrylates; Stilbene; Excimer emission; (S)-phenylalanine
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New polyacrylates with stilbene and (S)-phenylalanine side chains for sensor applications. Synthesis and properties
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 205, Issues 2–3, 25 June 2009, Pages 161–167
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us