Results 231 to 240 of about 114,151 (273)

In Situ Stimuli Transfer in Multi‐Environment Shape‐Morphing Hydrogels Based on the Copolymer Between Spiropyran and Acrylic Acid

Advanced Science, EarlyView.
Poly (acrylic acid‐co‐spiropyran)‐based hydrogel is designed as a photo‐stimuli shape‐morphing material. This hydrogel exhibits rapid and reversible photo‐morphing behavior in various environments, including water, oil, and open air. This behavior is attributed to the light‐triggered protonation of spiropyran, which allows for the in situ transfer of ...
Liwei Wu, Yiming Liu, Wenpei Yang, Zejun Liu, Cuiping Liu, Xiaomin Yuan, Lingling Zhang, Jie Ju, Xi Yao   +8 more
wiley   +1 more source

Electroactive Electrospun Nanofibrous Scaffolds: Innovative Approaches for Improved Skin Wound Healing

Advanced Science, EarlyView.
This review explores the potential of electroactive electrospun nanofibrous (EEN) scaffolds for enhanced skin wound healing. It discusses how a variety of electroactive materials can be prepared into EEN scaffolds via electrospinning technology, and their applications in various wound types. The review provides insights into the future perspectives for
Yang Zhang, Zhiyuan Zheng, Shilu Zhu, Liang Xu, Qingdong Zhang, Jie Gao, Min Ye, Shuwei Shen, Jinyu Xing, Ming Wu, Ronald X. Xu   +10 more
wiley   +1 more source

Bioinspired Mechanisms and Actuation of Soft Robotic Crawlers

Advanced Science, EarlyView.
Researchers have been developing soft materials and robotic crawlers inspired by soft‐bodied animals to mimic effective crawling in complex environments. This review explores the state‐of‐the‐art in soft crawlers, highlighting the interaction between materials, crawling mechanisms, actuation, and applications. The review concludes by providing insights
Min Pan, Miaomiao Liu, Jiayi Lei, Yunyi Wang, Changhong Linghu, Chris Bowen, K. Jimmy Hsia   +6 more
wiley   +1 more source

Molecular Regulation and Intermolecular Chemistry in Gel Polymer Electrolytes for High‐Voltage Lithium Batteries

Advanced Science, EarlyView.
In this review, from the perspective of molecular design and intermolecular interactions, polymer matrices, solvents, and Li salts used in high‐voltage gel polymer electrolytes (GPEs) are discussed to explore approaches for improving high‐voltage stability.
Qingjie Zhou, Mengxue He, Shuyang Gao, Wangshu Hou, Yulin Ma, Hua Huo, Chunyu Du, Geping Yin, Pengjian Zuo   +8 more
wiley   +1 more source

Manipulation of Oxygen Tension in Damaged Regions via Hypoxia‐Induced IPN Hydrogel Microspheres for Intervertebral Disc Regeneration

Advanced Science, EarlyView.
A novel interpenetrating network hydrogel microsphere (NSC‐Exos@HIMS) is developed to manipulate oxygen tension in damaged regions and recruit endogenous stem cells. In vitro and in vivo results show that NSC‐Exos@HIMS maintains the hypoxia microenvironment for up to 5 days, which triggers nucleus pulposus cell‐like differentiation and enhanced ECM ...
Xingdie Zhou, Zhendong Lv, Zehao Chen, Yiming Xu, Chao Lin, Li Liu, Hao Chen, Bing Niu, Wenguo Cui, Yuhui Zhang   +9 more
wiley   +1 more source

Novel Electroactive Therapeutic Platforms for Cardiac Arrhythmia Management

Advanced Science, EarlyView.
Electroactive platforms offer promising applications in cardiac arrhythmia. Based on their energy sources and mechanisms, electroactive platforms are categorized into i) direct electrical stimulation, ii) self‐powered electroactive systems, iii) physical stimuli‐mediated electroactive systems, and iv) conductive systems, and their applications in ...
Juwei Yang, Longfei Li, Yiran Hu, Zhou Li, Wei Hua   +4 more
wiley   +1 more source

A Bio‐Adaptive Janus‐Adhesive Dressing with Dynamic Lubrication Overlayer for Prevention of Postoperative Infection and Adhesion

Advanced Science, EarlyView.
Slippery‐adhesive Janus gel dressing exhibits both stable tissue adhesive and outstanding efficiency in repelling physiological fluids. As a physical barrier, a liquid‐infused surface with a dynamic lubrication overlayer possesses excellent antibiofouling properties, making it highly effective in preventing bacterial infections and postoperative tissue
Yuan Gao, Junchang Guo, Shuangyang Li, Liansong Ye, Binyang Lu, Jiaxin Liu, Jing Luo, Yijia Zhu, Liuxiang Chen, Tingfa Peng, Jinlong Yang, Dehui Wang, Chaoming Xie, Xu Deng, Bing Hu   +14 more
wiley   +1 more source

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Phase separations in a copolymer–copolymer mixture

Journal of Physics: Condensed Matter, 2005
We propose a three-order-parameter model to study the phase separations in a diblock copolymer–diblock copolymer mixture. The cell dynamical simulations provide rich information about the phase evolution and structural formation, especially the appearance of onion-rings. The parametric dependence and physical reason for the domain growth of onion-rings
Yu-qiang Ma, Guojun Jin, Jin-jun Zhang, Jin-jun Zhang   +3 more
openaire   +2 more sources

Synthesis of copolymers. II. Copolymers of butadiene and of isoprene [PDF]

Die Makromolekulare Chemie, 1972
AbstractThe compositions of copolymers formed by reacting butadiene or isoprene (M) with lithium in tetrahydrofuran in the presence of varying amounts of alkyl dihalides have been studied. When butadiene was reacted with dibromo‐p‐xylene, it was found that the dihalide predominantly dimerised by a WURTZ condensation mechanism before reacting with ...
D. H. Richards, A. V. Cunliffe, W. J. Hubbert   +2 more
openaire   +1 more source

Thermoresponsive copolymer microgels

Journal of Materials Chemistry B, 2013
Colloidal aqueous microgels have attracted notable attention due to their possible applications in both polymer chemistry and the (bio)material sector. Due to their soft internal network structure and their response to different external stimuli, they are suitable as carrier systems for different kinds of molecules (e.g.
Hertle, Yvonne, Hellweg, Thomas
openaire   +3 more sources