Polymer Science News

Dual stimuli- responsive viologen-containing poly(2-isopropyl-2-oxazoline) and its multi-modal electrochromic phase transition

RSC - Polym. Chem. latest articles - Mon, 06/11/2018 - 00:59
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00591E, PaperJaehyuk Nam, Yongseok Jung, Jung Ho Joe, Woo-Dong Jang
A viologen-containing thermo-responsive poly(2-isopropyl-2-oxazoline) (PiPOx-V) was synthesized by simple one-pot reaction. During the cationic ring opening polymerization of 2-isopropyl-2-oxazoline, living catinioc polymer chains were reacted with 4,4-bipyridyl to produce dual...
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Photo-crosslinkable second-order nonlinear optical polymer: facile synthesis and enhanced NLO thermostability

RSC - Polym. Chem. latest articles - Sat, 06/09/2018 - 12:15
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00686E, PaperZiyao Cheng, Runli Tang, Ruifang Wang, Yujun Xie, Pengyu Chen, Guangchao Liu, Zhen Li
A new photo-crosslinkable second-order nonlinear optical (NLO) linear polymer was designed and successfully prepared by the azido-alkyne click reaction, in which, the azo-benzene moieties acted as the chromophore. The latent...
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Categories: Polymer Science News

Aspect-ratio-dependent interaction of molecular polymer brushes and multicellular tumour spheroids

RSC - Polym. Chem. latest articles - Fri, 06/08/2018 - 18:51
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00703A, CommunicationMarkus Muellner, Kylie Yang, Amandeep Kaur, Elizabeth J New
Polymer nanoparticles based on molecular polymer brushes allow precise and independent tailoring of nanoparticle characteristics. This enables the synthesis of soft hydrophilic polymer particles with matching composition and surface chemistry...
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Balancing steric and electronic effects of bidentate, mixed P,N ligands to control Kumada catalyst transfer polycondensation of a sterically hindered thiophene

RSC - Polym. Chem. latest articles - Fri, 06/08/2018 - 09:40

Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY00452H, PaperS. Hameury, C. Gourlaouen, M. Sommer
Screening various P,N ligands to control KCTP of a sterically hindered thiophene reveals an oxazoline-based ligand most effective.
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Cyclodextrin-Based Host-Guest Supramolecular Hydrogel and Its Application in Biomedical Fields

RSC - Polym. Chem. latest articles - Fri, 06/08/2018 - 03:24
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00730F, Review ArticleGuiting Liu, Qi-Juan Yuan, Geoffrey Hollett, Wei Zhao, Yang Kang, Jun Wu
The cyclodextrins (CDs) based host-guest inclusion complexation between cyclodextrins (CDs) and guest moieties has inspired the fabrication of novel supramolecular hydrogels for biomedical applications. From a topology of view, this...
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Enhancement of Microphase Ordering and Mechanical Properties of Supramolecular Hydrogen-Bonded Polyurethane Networks

RSC - Polym. Chem. latest articles - Thu, 06/07/2018 - 08:01
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00604K, PaperDaniel Hermida Merino, Benjamin ODriscoll, Lewis R. Hart, Peter Harris, Howard M. Colquhoun, Andrew Slark, Cristina Prisacariu, Ian Hamley, Wayne Hayes
The improvement of the mechanical properties of supramolecular polymer networks is currently receiving significant interest both within academic and industrial circles in order to enable the application of these desirable...
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Correction: pH and reduction-activated polymeric prodrug nanoparticles based on a 6-thioguanine-dialdehyde sodium alginate conjugate for enhanced intracellular drug release in leukemia

RSC - Polym. Chem. latest articles - Wed, 06/06/2018 - 07:42
Polym. Chem., 2018, Advance Article
DOI: 10.1039/C8PY90089B, Correction Open Access &nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Yanming Wan, Ying Bu, Jiaming Liu, Jia Yang, Weiquan Cai, Yihua Yin, Wenjin Xu, Peihu Xu, Jingli Zhang, Meng He
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Categories: Polymer Science News

Tumor pH and Intracellular Reduction Responsive Polypeptide Nanomedicine with Sheddable PEG Corona and Disulfide-Cross-Linked Core

RSC - Polym. Chem. latest articles - Tue, 06/05/2018 - 03:25
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00579F, PaperYue Ding, Chang Du, Jiwen Qian, Linzhu Zhu, Yue Su, Rong Zhang, Chang-Ming Dong
Abstract: To overcome the tumor and cellular barriers in cancer chemotherapy, constructing biodegradable polymeric nanomedicine with pathological stimuli-responsivity is still challenging. In this work, a new class of polypeptide copolymer...
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Synthesis of Copolymers with Exact Alternating Sequence Using Cationic Polymerization of Pre-Sequenced Monomers

RSC - Polym. Chem. latest articles - Tue, 06/05/2018 - 03:25
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00626A, CommunicationChengke Qu, Zhen Hua Li, Junpo He
Alternating copolymers composed of styrenic/methyl vinyl ether derived repeating unit and styrenic/vinyl alcohol based repeating unit were synthesized through cationic RAFT polymerization of 1,3-butadiene derivatives and subsequent hydrogenation reaction. The...
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Polymer-based nanocomposites for heavy metal ions removal from aqueous solution: a review

RSC - Polym. Chem. latest articles - Tue, 06/05/2018 - 02:24
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00484F, Review ArticleGuixia Zhao, Xiubing Huang, Zhenwu Tang, Qifei Huang, Fenglei Niu, Xiang-Ke Wang
Water pollutant treatment has becoming a critical issue in shaping the current environmental engineering and protection. Adsorption technique via solid adsorbents has been widely applied for the efficient removal of...
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Crosslinked casein-based micelles as a dually responsive drug delivery system

RSC - Polym. Chem. latest articles - Mon, 06/04/2018 - 12:16
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00600H, PaperMatias Luis Picchio, Julio Cesar Cuggino, Gregor Nagel, Stefanie Wedepohl, Roque J Minari, Cecilia Ines Alvarez Igarzabal, Luis Marcelino Gugliotta, Marcelo Calderon
New types of biodegradable nanocarriers for drug delivery were prepared using casein (CAS) micelles as particle templates and glyceraldehyde (GAL) as a crosslinking agent. We found that highly crosslinked casein...
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Facile One-Step Fabrication of Sulfonated Polyhedral Oligomeric Silsesquioxane Cross-linked Poly(ether ether ketone) for Proton Exchange Membrane

RSC - Polym. Chem. latest articles - Mon, 06/04/2018 - 02:11
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00650D, PaperChang Liu, ZhongYing Wu, Yixuan Xu, ShuJiang Zhang, Chenliang Gong, Yiyao Tang, Dewen Sun, Hua Wei, Chunhui Shen
A series of sulfonated polyhedral oligomeric silsesquioxane (POSS) cross-linked poly(ether ether ketone) hybrid membranes (C-PEEK-sPOSS) were facilely synthesized, in which the process of sulfonation and cross-linking were manufactured in one-step....
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Sulfur-rich Covalent Triazine Polymer Nanospheres for Environmental Mercury Removal and Detection

RSC - Polym. Chem. latest articles - Fri, 06/01/2018 - 08:39
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00419F, PaperYu Fu, Wenguang Yu, Weijie Zhang, Qiao Huang, Jun Yan, Chunyue Pan, Guipeng Yu
We describe a facile one-step synthesis of porous covalent sulfide-bridged polytriazine nanospheres (NOP-28), which can be employed as high-efficient sorbents and the same time selectively sensitive sensors towards trace Hg2+....
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A translation of the structure of mussel byssus threads into synthetic materials by the utilization of histidine-rich block copolymers

RSC - Polym. Chem. latest articles - Thu, 05/31/2018 - 08:01
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00663F, PaperUlrich Sigmar Schubert, Marcel Enke, Ranjita Bose, Stefan Zechel, Juergen Vitz, Robert Deubler, Felix Helmut Schacher, Santiago J. Garcia, Sybrand van der Zwaag, Martin D. Hager
Mussel byssal threads are well-known due to their self-healing ability after mechanical stress caused by waves. The pro¬posed mechanism demonstrates the importance of reversible histidine-metal interactions as well as the...
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Temperature-Responsive Fibres of Cellulose-Based Copolymers

RSC - Polym. Chem. latest articles - Wed, 05/30/2018 - 13:38
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00524A, PaperAna Catarina Santos, Sergio C Alves, Maria Helena Godinho, Carlos Baleizao, Jose Paulo Sequeira Farinha
Well-defined temperature-responsive cellulose acetate (CA) grafted with a temperature-responsive polymer (TRP) was synthesized using a grafting-to approach. The TRP obtained by reversible addition-fragmentation chain transfer polymerization (RAFT), with Mn =...
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Thermal and photo RAFT Polymerization of 2,2,2-trifluoroethyl [small alpha]-fluoroacrylate

RSC - Polym. Chem. latest articles - Tue, 05/29/2018 - 18:15
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00571K, PaperQizhi YANG, Marc Guerre, Vincent Ladmiral, Bruno Ameduri
The RAFT polymerization of 2,2,2-trifluoroethyl [small alpha]-fluoroacrylate (FATRIFE) was investigated under thermal conditions and light irradiation. The performances of 4 different chain transfer agents (3,5-dimethyl-1H-pyrazole-1-carbodithioate (CTA1), 4-cyano-4-(2-phenylethanesulfanylthiocarbonyl)sulfanylpentanoic acid (CTA2), dibenzyl trithiocarbonate...
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Inhibition of Lysozyme's Polymerization Activity using a Polymer Structural Mimic

RSC - Polym. Chem. latest articles - Tue, 05/29/2018 - 10:09
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00545A, CommunicationDaniel L. Morris, Thomas Leeper, Christopher Ziegler
Hen egg white lysozyme (HEWL) is a green catalyst capable of polymerizing 2-ethynylpyridine. 1,3-di(2-pyridyl)propane (DPP) is a mimic of the polymer repeating unit, and its interaction with HEWL reveals structural...
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A synthetic approach toward pH and sugar-responsive diblock copolymer via post-polymerization modification

RSC - Polym. Chem. latest articles - Tue, 05/29/2018 - 10:09
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00660A, CommunicationHeba Gaballa, Shaojian Lin, Jiaojiao Shang, Sabrina Meier, Patrick Theato
A well-defined diblock copolymer featuring boronic acid moieties prepared by sequence RAFT polymerization and post-polymerization modification via active-ester amine chemistry provides a straightforward pathway to the synthesis of boronic acid...
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Graft-modified cellulose nanocrystals as CO2-switchable Pickering emulsifiers

RSC - Polym. Chem. latest articles - Mon, 05/28/2018 - 15:58
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00417J, PaperJoe Glasing, Philip Jessop, Pascale Champagne, Michael F. Cunningham
We report the use of a bio-sourced Pickering emulsifier based on cellulose nanocrystals (CNCs) grafted with less than 25 wt% of synthetic, CO2-responsive polymer for the reversible emulsification/demulsification of oil...
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Degradable and Renewably-sourced Poly(ester-thioethers) by Photo-initiated Thiol-ene Polymerization

RSC - Polym. Chem. latest articles - Sun, 05/27/2018 - 22:46
Polym. Chem., 2018, Accepted Manuscript
DOI: 10.1039/C8PY00502H, PaperLeon Lillie, William Tolman, Theresa Reineke
With the aim of preparing sustainable and degradable polymers from sugar-derived precursors, a family of five poly(ester-thioethers) were synthesized by photoinitiated thiol-ene polymerization of monomers incorporating D-glucaro-1,4:6,3-dilactone (GDL). Various dithiols...
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