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Solution self-assembly of poly(3-hexylthiophene)-poly(lactide) brush copolymers: impact of side chain arrangement

Mon, 05/21/2018 - 09:23
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00627J, PaperSuk-kyun Ahn, JINWOO NAM, Jiahua Zhu, Eunji Lee, S. Michael Kilbey
We exploit the crowded intramolecular environment of brush copolymers and [small pi]-[small pi] interactions of poly(3-hexylthiophene) (P3HT) side chains to produce tailorable nanostructures by self-assembly in solution. A series of brush copolymers...
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Categories: Polymer Science News

Modification of a conventional polyurethane composition provides significant anti-biofilm activity against Escherichia coli

Mon, 05/21/2018 - 09:23
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00492G, CommunicationChao Peng, Apoorva Vishwakarma, Zhuoran Li, Toshikazu Miyoshi, Hazel Barton, Abraham Joy
Catheter-associated urinary tract infections, caused by a build-up of biofilm on the catheter surface, are one of the most common nosocomial infections. For this work, we prepared a compositional variant...
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Categories: Polymer Science News

Potassium-sensitive poly(N-isopropylacrylamide)-based hydrogels for sensor applications

Mon, 05/21/2018 - 08:22
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00490K, PaperDominic Buning, Franka Ennen, Sarah Walter, Tobias Hennecke, Mathias Ulbricht
Host-guest interactions for sensor applications have been widely applied to various platforms ranging from hard to soft nanoparticles or bulk materials. Their combination with stimuli-responsive polymers such as thermosensitive polymeric...
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Categories: Polymer Science News

Highly porous, emulsion-templated, zwitterionic hydrogels: amplified and accelerated uptakes with enhanced environmental sensitivity

Mon, 05/21/2018 - 06:21
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00588E, PaperTao Zhang, Michael S. Silverstein
A series of highly porous zwitterionic hydrogel polyHIPEs (Z-HG-PHs) were synthesized within oil-in-water high internal phase emulsions (HIPEs) from N-(3-sulfopropyl)-N-(methacryloxyethyl)-N,N-dimethylammonium betaine and crosslinked with N,N'-methylenebisacrylamide. The Z-HG-PHs exhibited an anti-polyelectrolyte...
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Categories: Polymer Science News

Polymerization of Acrylates Based on n-Type Organic Semiconductors using Cu(0)-RDRP

Fri, 05/18/2018 - 15:09
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00670A, PaperChristopher Tonge, Ethan Sauve, Nathan Paisley, Jordan Heyes, Zac Hudson
Three acrylic monomers have been prepared based on organic semiconductor motifs commonly used as n-type materials in organic light-emitting diodes (OLEDs) and organic thin-film transistors (OTFTs). Facile room-temperature polymerizations were...
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Categories: Polymer Science News

Enzyme-driven biodegradable nanomotor based on tubular-shaped polymeric vesicles

Fri, 05/18/2018 - 06:56
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00559A, CommunicationB. Jelle Toebes, Loai Abdelmohsen, Daniela A. Wilson
Various nanomotors that can mimic the motion of natural systems have recently been proposed. Yet, most designs are metal based and not applicable in biological settings. We report the first...
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Categories: Polymer Science News

Coordination-induced assemblies of quantum dots in amphiphilic thermo-responsive block copolymer micelles: morphologies, optical properties and applications

Thu, 05/17/2018 - 12:32
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00510A, PaperJianhua Lu, Bingxin Liu, Bingfeng Shi, Changli Lu
Nanostructured hybrid materials composed of functional block copolymers (BCP) and inorganic nanoparticles (NPs) have attracted growing interest. In this paper, the quantum dots/block copolymer (QDs)/BCP hybrid assemblies with precise control...
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Categories: Polymer Science News

Thin cyclomatrix polyphosphazene films: Interfacial polymerization of hexachlorocyclotriphosphazene with aromatic biphenols

Thu, 05/17/2018 - 10:30
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00444G, PaperEvelien Maaskant, Hubert Gojzewski, Mark A. Hempenius, G. Julius Vancso, Nieck E. Benes
A series of thin cyclomatrix polyphosphazene films has been prepared by interfacial polymerization of hexachlorocyclotriphosphazene (HCCP) with an aromatic biphenol. The pKa values of the biphenol used strongly influence the...
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Categories: Polymer Science News

Combination of Preparative and Two-Dimensional Chromatographic Fractionation with Thermal Analysis for the Branching Analysis of Polyethylene.

Thu, 05/17/2018 - 08:26
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00522B, PaperHarald Pasch, Paul Severin Eselem Bungu, Kristina Pflug
Low density polyethylene (LDPE) or, more generally, branched polyethylene exhibits excellent processing properties thanks to its complex molecular structure. The branches on the polymer backbone are distributed by location and...
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Categories: Polymer Science News

Elaboration of antimicrobial polymeric materials by dispersion of well-defined amphiphilic methacrylic SG1-based copolymers

Wed, 05/16/2018 - 05:46
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00523K, PaperTarek Benkhaled, Slim Hadiouch, Hamza Olleik, Josette Perrier, Cedric Ysacco, Didier Gigmes, Yohann Guillaneuf, Marc Maresca, Catherine Lefay
The bacterial resistance to antibiotics is a major public health problem and it is urgent to find new antimicrobial materials to circumvent the development of resistant pathogens. The aim of...
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Categories: Polymer Science News

Recent progress in electron paramagnetic resonance study of polymers

Tue, 05/15/2018 - 10:23
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00689J, Review ArticleKaleem-ur-Rahman Naveed, Li Wang, Jie Hao Yu, Raja Summe Ullah, Muhammad Haroon, Shah Fahad, Jiyang Liu, Tariq Shaarani, Rizwan Ullah Khan, Ahsan Nazir
The review article provides an overview of the contemporary research based on a tailor-made technique for polymers of different classes. The ubiquity of free radicals, including biradicals, triplet states, and...
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Categories: Polymer Science News

Elastomeric and pH-responsive hydrogels based on direct crosslinking of poly(glycerol sebacate) pre-polymer and gelatin

Tue, 05/15/2018 - 06:18
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00544C, PaperSungkwon Yoon, Biqiong Chen
Hydrogels capable of responding to physicochemical dynamics in vivo are of significant interest in a variety of advanced biomedical applications. Herein, we develop novel fully biodegradable, biocompatible, highly elastomeric and...
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Categories: Polymer Science News

UV-triggered shape-controllable PP fabric

Mon, 05/14/2018 - 11:49
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00411K, Paper Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Jiaojiao Shang, Patrick Theato, Shaojian Lin
A light-driven polypropylene (PP) fabric as an actuator was fabricated in which a light-responsive polymeric film acts as an active layer and a PP fabric acts as a passive layer....
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Categories: Polymer Science News

Thermo-reversible Self-healing in Fluorous crosslinked Copolymer

Mon, 05/14/2018 - 07:42
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00471D, PaperAnil Kumar Padhan, Debaprasad Mandal
A thermo-reversible self-healing of a partially fluorinated crosslinked polymer was achieved by utilizing the reversible Diels-Alder (DA) chemistry. Copolymers (PHFBA-co-PFMA) of perfluorobutyl acrylate (HFBA) and furfurylmethacrylate (FMA) with controlled stoichiometric...
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Categories: Polymer Science News

pH and reduction-activated polymeric prodrug nanoparticles based on 6-thioguanine-dialdehyde sodium alginate conjugate for enhanced intracellular drug release in leukemia

Fri, 05/11/2018 - 08:17
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00577J, PaperYanming Wan, Ying Bu, Jiaming Liu, Jia Yang, Weiquan Cai, Yihua Yin, Wenjin Xu, Peihu Xu, Jingli Zhang, Meng He
For enhanced intracellular drug release in leukemia, thestructure of 6-thioguanine (6-TG) based pH/reduction responsive polymeric prodrug nanoparticles were constructed by conjugating 6-TG to dialdehyde sodium alginate (DSA) via acid-labile Schiff...
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Categories: Polymer Science News

Synthesis, order-to-disorder transition, microphase morphology and mechanical properties of BAB triblock copolymer elastomers with hard middle block and soft outer blocks

Fri, 05/11/2018 - 05:15

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00375K, PaperWentao Wang, Xuehui Wang, Feng Jiang, Zhigang Wang
A series of triblock copolymer elastomers with a soft-hard-soft block sequence was synthesized for studies on their ODT, microphase morphologies and mechanical properties.
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Categories: Polymer Science News

Electrochromism of alkylene-linked discrete chromophore polymers with broad radical cation light absorption

Thu, 05/10/2018 - 08:30

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00385H, PaperDylan T. Christiansen, David L. Wheeler, Aimee L. Tomlinson, John R. Reynolds
This paper details the theoretical calculations, synthesis, and electrochromism of polymeric materials consisting of conjugated chromophores separated by nonconjugated linkers.
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Categories: Polymer Science News

The secondary structures of PEG-functionalized random copolymers derived from (R)- and (S)- families of alkyne polycarbodiimides

Thu, 05/10/2018 - 06:25

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00282G, PaperOleg V. Kulikov, Dumindika A. Siriwardane, Januka Budhathoki-Uprety, Gregory T. McCandless, Samsuddin F. Mahmood, Bruce M. Novak
Macromolecular micelles: a hydrophobic polyamidine backbone surrounded by hydrophilic PEG chains.
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Categories: Polymer Science News

Facile synthesis of branched polyvinyl acetate via redox-initiated radical polymerization

Wed, 05/09/2018 - 10:38

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00286J, PaperNi Zeng, Yuyan Yu, Junbing Chen, Xiao Meng, Leilei Peng, Yi Dan, Long Jiang
Although branched polymers find widespread applications, the rational design and synthesis of branched vinyl polymers via the conventional radical (co)polymerization of commercially available monomers is still a challenge for researchers in this field.
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Categories: Polymer Science News

A high water-soluble triblock conjugated polymer for in vivo NIR-II imaging and photothermal therapy of cancer

Wed, 05/09/2018 - 04:32
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00215K, PaperXiaomei Lu, Pengcheng Yuan, Wansu Zhang, Qi Wu, Xiaoxiao Wang, Meng Zhao, Pengfei Sun, Wei Huang, Quli Fan
Applications of the second near infrared (NIR) optical window (NIR-II, 1,000-1,700 nm) have received increasing attention with respect to reduced scattering and negligible auto-fluorescence; thus, achieving a high signal-to-background ratio...
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Categories: Polymer Science News

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