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Design and engineering of an artificial disulfide bond in human cytochrome c to regulate the protein structure and function

Mol. Syst. Des. Eng., 2024, Advance Article
DOI: 10.1039/D3ME00196B, Paper
Yan-Yan Li, Yu Feng, Lu Yu, Shuang-Shuang Long, Shu-Qin Gao, Ying-Wu Lin
An artificial disulfide bond was rationally constructed in human cytochrome c (hCyt c) via double mutations (A51C/G77C), which weakened the coordination of Met80 to the heme iron and enhanced the peroxidase activity of hCyt c.
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and

A taste of forest food and adivasi tradition

Visit Bhopoli village in Palghar district of Maharashtra to de-stress from urban pressures and to go back to nature




and

She’s got a brand new bag

A Dimapur entrepreneur finds an alternative to plastic and generates employment as well




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Apples on the vine — for bountiful yield and income

Project Apple Unnati helps Uttarakhand farmers grow the fruit as a creeper




and

Diplomat, MD, RJ and sarpanch for a day!

Plan India nurtures girls into community leaders through a novel ‘takeover’




and

Rejuvenating land through agro-forestry

Telangana cotton farmers take up mango plantation to diversify crops, check soil erosion




and

When children can be seen and heard

An intervention in Agra district gets children back to school




and

To heal them, open their doors and bring them back to society

Those who have recovered from mental illness need to be mainstreamed




and

Busy hands help fight the pandemic

SHGs and prisoners in Himachal Pradesh are stitching masks/PPEs, and making sanitisers




and

Back to bamboo and safety on stilts

Assamese villagers opt for traditional housing for protection against floods




and

MGNREGA: A welcome salve in pandemic times

In Himachal Pradesh, the scheme comes as a breather to those who lost their jobs




and

And then there was power in Valley

Electrification has finally brought cheer to remote villages in the Kashmir Valley




and

‘Mentor Mothers’ raise the bar on nutrition and health

How tribal women in Chhattisgarh, Madhya Pradesh and Odisha are unlearning myths about food




and

Pedagogy despite the pandemic

How children without access to online education in Jharkhand and Bihar villages get their lessons




and

Let there be husk and light

Uninterrupted micro-grid power helped villagers in West Champaran sustain business during Covid-19




and

Elon Musk And Vivek Ramaswamy To Head New 'Department Of Government Efficiency' Under Trump Administration

The two will head the newly formed Department of Government Efficiency in the upcoming Trump administration, set to begin in January 2025.  




and

Israeli Strikes Kill 46 People In The Gaza Strip And 33 In Lebanon, Medics Say

In Lebanon, large explosions shook Beirut's southern suburbs — an area known as Dahiyeh, where Hezbollah has a significant presence — soon after the Israeli military issued evacuation warnings for 11 houses there.




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Influence of polyol impurities on the transesterification kinetics, molecular structures and properties of isosorbide polycarbonate

Polym. Chem., 2024, 15,4204-4220
DOI: 10.1039/D4PY00840E, Paper
Mingfa Guo, Yaning Wang, Zhenguang Li, Jielin Xu, Qian Chen, Jing Wu, Huaping Wang
A so-called “reverse-addition” model protocol based on two kinds of polyol impurities (glycerol and 2-deoxy-D-ribose) was established to systematically demonstrate their influence on the polymerization and properties of PIC.
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Polymerization of isoprene and butadiene with unparalleled stereoselectivity catalysed by rare-earth metal cationic species bearing a novel tridentate ligand

Polym. Chem., 2024, 15,4255-4263
DOI: 10.1039/D4PY00781F, Paper
Xiuling Wang, Yang Wang, Zhonglei Qin, Liying Shen, Xiaochao Shi
Phenylthiol-functionalized rare-earth metal cationic species showed unparalleled stereoselectivity in the polymerization of isoprene and butadiene to respectively produce cis-1,4-polyisoprene and trans-1,4-polybutadiene.
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A facile and versatile platform for preparing uniform π-conjugated nanofibers with controlled length and varying shells

Polym. Chem., 2024, 15,4231-4243
DOI: 10.1039/D4PY00979G, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Bo Xiang, Hongluo Wu, Rang Chen, Xiaoyu Huang, Guolin Lu, Chun Feng
A versatile and facile platform is developed for the generation of uniform π-conjugated nanofibers with controlled length and varying shells by the combination of pentafluorophenyl ester chemistry and a self-seeding strategy.
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Mechanical properties and molecular adhesion exhibited by inorganic–organic composite elastomers

Polym. Chem., 2024, 15,4196-4203
DOI: 10.1039/D4PY00879K, Paper
Naoki Yamashita, Ryohei Ikura, Kenji Yamaoka, Nobu Kato, Masanao Kamei, Kentaro Ogura, Minoru Igarashi, Hideo Nakagawa, Yoshinori Takashima
Organic–inorganic composite elastomers with reversible cross-links formed by β-cyclodextrin and adamantane (Ad) were prepared. Excess Ad units improve the mixability of polydimethylsiloxane and poly(ethyl acrylate) to increase the healing ratio.
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Versatile poly(N-vinylcaprolactam)-grafted-hydroxypropyl cellulose polymers with tailored thermo- and pH-responsive properties via sustainable organocatalyzed atom transfer radical polymerization

Polym. Chem., 2024, 15,4244-4254
DOI: 10.1039/D4PY00931B, Paper
Muhammad Asif Iqbal, Asif Mahmood, Waheed Al-Masry, Chan Ho Park, Sadaf Ul Hassan, Toheed Akhter
This study explores the synthesis of dual pH- and thermo-responsive poly(N-vinylcaprolactam)-grafted-hydroxypropyl cellulose (PNVCL-g-HPC) polymers via visible-light-driven, metal-free organocatalyzed atom transfer radical polymerization (O-ATRP).
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Heterogenous catalysis for oxygen tolerant photoredox atom transfer radical polymerization and small-molecule dehalogenation

Polym. Chem., 2024, 15,4264-4280
DOI: 10.1039/D4PY00899E, Paper
Open Access
Kriti Kapil, Mingkang Sun, Ting-Chih Lin, Hironobu Murata, Grzegorz Szczepaniak, Khidong Kim, Stephen DiLuzio, Jaepil Jeong, Mitchell Baumer, Stefan Bernhard, Tomasz Kowalewski, Krzysztof Matyjaszewski
Heterogeneous photocatalysts (PCs) have garnered attention for their sustainability and cost-effectiveness.
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Tetrazine-based inverse-electron-demand Diels–Alder reaction: a powerful tool for fabrication and functionalization of polymeric materials

Polym. Chem., 2024, 15,4173-4195
DOI: 10.1039/D4PY00912F, Review Article
Open Access
Mehmet Arslan, Aysun Degirmenci, Rana Sanyal, Amitav Sanyal
The IEDDA click reaction plays an important role in the fabrication and functionalization of polymeric materials.
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Vinylene-linked fully conjugated porous organic polymers based on difluoroboron β-diketonate complexes for green and efficient photocatalysis

Polym. Chem., 2024, 15,4281-4287
DOI: 10.1039/D4PY00947A, Paper
Wenshuo Xu, Zehao Zhao, Yiqiong Liu, Dongxin Yang, Weitao Gong
Two distinct vinylene-linked fully conjugated POPs were achieved by reacting difluoroboron β-diketonate complexes with reactive methyl groups and a carbazole-bearing aldehyde.
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Materials designed to degrade: structure, properties, processing, and performance relationships in polyhydroxyalkanoate biopolymers

Polym. Chem., 2024, Advance Article
DOI: 10.1039/D4PY00623B, Review Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Jessica N. Lalonde, Ghanshyam Pilania, Babetta L. Marrone
A materials tetrahedron framework is applied to PHA biopolymers to highlight design challenges and frame potential future research exploring structure, property, processing, and performance relationships.
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Crystal structure of poly(trimethylene 2,5-furandicarboxylate) redux – a new model supported by computational spectroscopy

Polym. Chem., 2024, 15,4349-4363
DOI: 10.1039/D4PY00779D, Paper
Catarina F. Araújo, Simão V. Pandeirada, Inês M. Oliveira, Guilherme B. Rosa, Beatriz Agostinho, Armando J. D. Silvestre, Andreia F. Sousa, Svemir Rudić, Pedro D. Vaz, Mariela M. Nolasco, Paulo Ribeiro-Claro
The crystal structure of biobased poly(trimethylene 2,5-furandicarboxylate) is revisited following new evidence from vibrational spectroscopy and computational chemistry tools.
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Synthesis of furan-based conjugated polymers with tunable bandgaps via direct C–H arylation of oligofurans

Polym. Chem., 2024, 15,4339-4348
DOI: 10.1039/D4PY00834K, Paper
Hui Guo, Dayong Jiang, Yufan Gu, Ruixin Wang, Luoyi Wang, Xu-Hui Jin
Using long oligofurans as synthetic building blocks has been found to enable the efficient synthesis of conjugated furan-based polymers through direct C–H arylation, which exhibit excellent antimicrobial activity.
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Comment on “Limonene as a renewable unsaturated hydrocarbon solvent for living anionic polymerization of β-myrcene” by A. Dev, A. Rösler and H. Schlaad, Polym. Chem., 2021, 12, 3084

Polym. Chem., 2024, 15,4364-4365
DOI: 10.1039/D4PY00913D, Comment
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Akhil Dev, Alexander Rösler, Helmut Schlaad
Polymyrcenyllithium chains in DL-limonene solution are present as dimeric associates and not as single chains.
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Scalable design of uniform oligourethanes for impact study of chain length, sequence and end groups on thermal properties

Polym. Chem., 2024, 15,4319-4326
DOI: 10.1039/D4PY01001A, Paper
Open Access
Jens Van Hoorde, Nezha Badi, Filip E. Du Prez
A bidirectional growth-based protocol is used for the synthesis of a series of sequence-defined oligourethanes in large scale (50 g). The effect of chain length, sequence and end group functionalities on the thermal properties is evaluated.
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Self-healable, reprocessable and anti-flammable eugenol-derived covalent adaptable thermosets based on dynamic covalent boronic esters and thiol–ene click chemistry

Polym. Chem., 2024, Advance Article
DOI: 10.1039/D4PY00684D, Paper
Haoxin Niu, Yu Li, Ping Zhang, Wenwen Guo, Xin Wang, Yuan Hu
Self-healable and reprocessable eugenol-derived covalent adaptable thermosets were fabricated via dynamic covalent boronic esters and thiol–ene click chemistry.
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and

An efficient and economical degradation strategy for epoxy thermoset based on low cost transesterification catalyst

Polym. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4PY01137F, Paper
Zhijun Yang, Shuhan Zhang, Huan Liang, Enjian He, Yixuan Wang, Ting Lei, Zhicheng Wu, Qiulin Chen, Fusheng Zhou, Yen Wei, Yan Ji
Epoxy thermoset materials are widely used in the field of electrical engineering, including gas-insulated enclosed switches and drytype transformers. It is a challenge to degrade and recycle traditional epoxy thermoset,...
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Functionalization of nano-objects in living anionic polymerization-induced self-assembly and their use for improving thermal properties of epoxy resins

Polym. Chem., 2024, Advance Article
DOI: 10.1039/D4PY01008F, Paper
Guicun Guo, Jiali Wu, Jingwei Zhang, Peng Zhou, Ding Shen, Penghan Li, Guowei Wang
Using LAPISA or LAPICA, stabilized PDVB@(PI-b-PS) and PDVB@(PI-b-PS/PS) nano-objects were prepared, functionalized and used as additives for epoxy resin, providing improved Tgs, integrated interfaces, uniform distributions, and scalable applications.
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Control over membrane fluidity and biophysical properties of synthetic terpolymer stabilized complex coacervates

Polym. Chem., 2024, Advance Article
DOI: 10.1039/D4PY00978A, Paper
Open Access
Sebastian Novosedlik, Alexander B. Cook, Tim J. F. M. Voermans, Henk M. Janssen, Jan C. M. van Hest
Cell membranes are vital barriers that regulate the composition of the intracellular environment and facilitate communication processes essential for cellular function and survival.
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[Ru]-Catalyzed Olefin Metathesis and Ethenolysis for the Synthesis and Recycling of Bio-Based Polycarbonates and Polycyanurates

Polym. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4PY00940A, Paper
Dana M. Pinson, Francesca D. Eckstrom, Gregory S. Ostrom, K. Randall McClain, Lawrence Baldwin, Benjamin Grant Harvey
Eugenol, an abundant, naturally occurring phenolic compound, was converted into a thermoplastic polycarbonate by olefin metathesis followed by interfacial polymerization with triphosghene. This resulted in polymers with Mn ranging from...
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Expanding the poly(2-oxazoline) block copolymer possibilities through nitroxide mediated polymerisation

Polym. Chem., 2024, 15,4416-4424
DOI: 10.1039/D4PY00887A, Paper
Open Access
James Lefley, C. Remzi Becer
In recent years, poly(2-oxazoline)s (POx) have become a sought-after biomaterial to replace PEG. Endcapping POx with BlocBuilder MA enables copolymerization with a variety of vinylic monomers, producing unique POx-vinyl block copolymer combinations.
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A novel amine-first strategy suitable for preparing both functional and engineering bio-polyamides: furfurylamine as the sole furan source for bisfuranic diamine/diacid monomers

Polym. Chem., 2024, 15,4433-4446
DOI: 10.1039/D4PY00567H, Paper
Hong-Hui Shu, Yun Liu, Sheng-Li Han, Xiu-Qin Fang, Chang Wang, Cheng-Mei Liu
Biomass-based polyamides (bioPAs) are renewable materials that are viable alternatives to petroleum-based polyamides in the engineering field.
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Polyols from cashew nut shell liquid (CNSL): corner-stone building blocks for cutting-edge bio-based additives and polymers

Polym. Chem., 2024, 15,4375-4415
DOI: 10.1039/D4PY00851K, Review Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Emilie Rojtman, Maxinne Denis, Camille Sirvent, Vincent Lapinte, Sylvain Caillol, Benoit Briou
From CNSL to polyols.
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Acid-labile and non-degradable cross-linked star polymer model networks by aqueous polymerization for in situ encapsulation and release

Polym. Chem., 2024, 15,4454-4464
DOI: 10.1039/D3PY00677H, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Gavin Irvine, Stuart Herron, Daniel W. Lester, Efrosyni Themistou
Aqueous RAFT polymerization for the preparation of degradable and non-degradable cross-linked star polymer model networks, in situ dye encapsulation and release.
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Enhanced mechanical properties of acrylate and 5-vinyl-2-norbornene-based ethylene terpolymers: rational design and synthesis using remotely modulated phosphine–sulfonate palladium complexes

Polym. Chem., 2024, Advance Article
DOI: 10.1039/D4PY00722K, Paper
Yong-Qing Li, Gui-Ping Cao, Yu-Cai Cao
From a practical perspective, it is important to maintain or increase the mechanical properties of functional ethylene copolymers to those of nonpolar polyethylene (PE).
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Increase of spatiotemporal resolution and reproducible layer thicknesses in cationic vat photopolymerization

Polym. Chem., 2024, Advance Article
DOI: 10.1039/D4PY01046A, Paper
Emile Goldbach, Xavier Allonas, Christian Ley, Lucile Halbardier, Céline Croutxé-Barghorn
Pyridines allow a good control of the cationic photopolymerization of epoxies.
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Bisbenzothieno[b]-fused BODIPYs in panchromatic photoinitiating for the free radical and cationic photopolymerization and application in 3D printing

Polym. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4PY00926F, Paper
Yangyang Xu, Wenlong Tang, Hui Deng, Jianjun Zhang, Zhongquan Zhu, Changjiang Yu, Haiguang Zhu, Ke Sun, Jiazhu Li, Jacques Lalevée
Abstract: Polymerization reactions induced by lights occupy an increasing share in the area of polymer synthesis; however, the effective photopolymerization under visible light emitting diodes (LEDs) rather than UV still...
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Fully Bio-Based Acetal Diepoxy Monomers: High Modulus, Good Thermal Stability and Readily Degradability

Polym. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4PY01038H, Paper
Zidie Song, Li Liu, Pengbo Zhang, Kangle Xue, Zibo Hua, Tao You, Yiqi Wu, Hong Cui, Zhen Hu, Yudong Huang
Degradable epoxy resins are designed to address the environmental pollution caused by traditional epoxy resins. However, incorporating the degradability of dynamic covalent bonds in the design of degradable resins often...
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Mesomorphic and photochromic luminescent behaviour of side-chain liquid crystalline polymers containing di-substituted cyanostilbene groups with the different number of alkyl tail chain

Polym. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4PY00889H, Paper
Juan Luo, Juan Wang, Junde Zhang, Huizi Cao, Xiaofang Chen
In this work, side-chain luminescent liquid crystalline polymers (SCLLCPs) that contain di-substituted cyanostilbene (CS) groups with the different substituted number of terminal alkyl chain, which are PNB-Z-4, PNB-Z-34, and PNB-Z-345,...
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Diversified synthesis of poly(sulfonyl isourea)s by multicomponent polymerizations of isocyanides, sulfonyl azides, and alcohols/phenols

Polym. Chem., 2024, Advance Article
DOI: 10.1039/D4PY00953C, Paper
Dongyang Fan, Fenggang Chen, Dong Wang, Ting Han, Ben Zhong Tang
A novel multicomponent polymerization strategy using diverse monomer combinations of isocyanides, sulfonyl azides, and alcohols/phenols was developed to synthesize thermally and morphologically stable and heteroatom-rich poly(sulfonyl isourea)s.
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and

Reducing Agent Triggered Templated Synthesis of Dynamic Covalent Poly(disulfide)s Nanonetwork: Remarkable Tuning in Noncovalent Encapsulation Stabilities and Cargo Release

Polym. Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4PY01109K, Paper
Arun Mondal, S. K. Sujauddin, Dhiman Mondal, Soumya Kolay, Shuvajyoti Sarkar, Mijanur Rahaman Molla
Here, we demonstrated a new methodology for the templated synthesis of cross-linked poly(disulfide)s based dynamic covalent nanonetwork as highly stable potential delivery vehicle in the field of chemotherapeutic applications. The...
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Catalytic copolymerization of carbon dioxide and cyclohexene oxide by a trinuclear cyclohexane-bridged tetradentate Schiff base chromium complex

Polym. Chem., 2024, 15,4519-4528
DOI: 10.1039/D4PY00956H, Paper
Jie Huang, Boxiong Shen
The development of catalytic systems is a central area of research in carbon dioxide (CO2) and epoxy copolymerization.
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Backbone editing of oxidized polyethylene: insertion of oxygen and nitrogen atoms via hydroxyalkyl azide-mediated rearrangements

Polym. Chem., 2024, 15,4554-4561
DOI: 10.1039/D4PY00973H, Paper
Andrew J. King, Ryan P. Sherrier, Jeffrey Aubé, Aleksandr V. Zhukhovitskiy
Hydroxyalkyl azide-mediated rearrangement modularly inserts heteroatoms and pendent functionality into oxidized polyethylene.
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Acrylate–methacrylate radical copolymerization kinetics of sparingly water-soluble monomers in polar and nonpolar solvents

Polym. Chem., 2024, 15,4542-4553
DOI: 10.1039/D4PY01015A, Paper
Noushin Rajabalinia, Fatemeh Salarhosseini, Robin A. Hutchinson
The influence of solvent on radical copolymerization kinetics is studied to provide insight to emulsion polymerization systems.
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Synthesis of degradable polyester with high molecular weight and excellent mechanical properties through copolymerization modification of poly(butylene succinate)

Polym. Chem., 2024, 15,4570-4579
DOI: 10.1039/D4PY01050G, Paper
Hongji Wang, Xiaojun Ma, Hanyu Yao, Haohao Chang, Yin Lv, Zhong Wei
The degradable copolymer of polybutylene succinate (PBS) modified with tricyclodecane dimethanol (TCD) presented significantly enhanced tensile strength and elongation at break.
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