Macromolecular Materials and Engineering

Cover image for Vol. 302 Issue 9

Editor-in-Chief: Editor-in-Chief: Kirsten Severing, Editor: David Huesmann

Online ISSN: 1439-2054

Associated Title(s): Macromolecular Bioscience, Macromolecular Chemistry and Physics, Macromolecular Rapid Communications, Macromolecular Reaction Engineering, Macromolecular Theory and Simulations

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Best of Macros 2017 is now online. Click here to read about the selected articles and their authors.

Recently Published Articles

  1. Ionically Crosslinked Thermoresponsive Chitosan Hydrogels formed In Situ: A Conceptual Basis for Deeper Understanding

    Maryam Rahmati, Peiman Brouki Milan, Ali Samadikuchaksaraei, Vahabodin Goodarzi, Mohammad Reza Saeb, Saeid Kargozar, David L. Kaplan and Masoud Mozafari

    Version of Record online: 20 SEP 2017 | DOI: 10.1002/mame.201700227

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    This study uncovers the role of urea and isobutanol as chemical modifiers by comparing three classes of hydrogels. An increased or a decreased pH affects gelation, where the best conditions for gelation would be achievable in the case of neutral medium. Either a rise or a fall in pH value upsets the balance between electrostatic interactions and crosslinking, the driving forces behind gelation.

  2. Biodegradable Inorganic–Organic POSS–PEG Hybrid Hydrogels as Scaffolds for Tissue Engineering

    Jingjing Yu, Zongtao Liu, Jinrui Shen, Cuifen Lu, Xingjian Hu, Nianguo Dong, Guichun Yang, Zuxing Chen and Junqi Nie

    Version of Record online: 20 SEP 2017 | DOI: 10.1002/mame.201700142

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    A series of inorganic–organic polyhedral oligomeric silsequioxanes–poly(ethylene glycol) (POSS–PEG) hybrid hydrogels are prepared in water by covalently grafting POSS into PEG and further cross-linked by matrix metalloproteinase degradable peptide via Michael-type addition. All POSS–PEG hybrid hydrogels have a porous structure, high mechanical properties and hydrophilic ability, good biodegradability and biocompatibility.

  3. Enhanced Piezoelectric Performance of Electrospun Polyvinylidene Fluoride Doped with Inorganic Salts

    Bin Yu, Mengye Mao, Hao Yu, Tao Huang, Weiwei Zuo, Hongzhi Wang and Meifang Zhu

    Version of Record online: 13 SEP 2017 | DOI: 10.1002/mame.201700214

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    The piezoelectric performance of electrospun polyvinylidene fluoride nanofiber piezoelectric nanogenerators is increased obviously by doping inorganic salts. This simple and low-cost approach may open the way for new applications of miniature energy-harvesting devices.

  4. Surface Modification of Electrospun TPU Nanofiber Scaffold with CNF Particles by Ultrasound-Assisted Technique for Tissue Engineering

    Jianhua Ye, Junhui Si, Zhixiang Cui, Qianting Wang, Kaiping Peng, Wenzhe Chen, Xiangfang Peng and Shia-Chung Chen

    Version of Record online: 13 SEP 2017 | DOI: 10.1002/mame.201700277

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    A novel method is developed to modify the surface of thermoplastic polyurethane (TPU) nanofiber with cellulose nanofibril (CNF) particles. CNF particles are successfully used as a modifier to improve the hydrophilicity, water retention ratio, mechanical property and biocompatibility of TPU scaffold. These finding suggest that the ultrasound-assisted technique opens up a new way to simply modify the scaffold surface.

  5. Pore Size Distribution and Blend Composition Affect In Vitro Prevascularized Bone Matrix Formation on Poly(Vinyl Alcohol)/Gelatin Sponges

    Jose Gustavo De la Ossa, Luisa Trombi, Delfo D'Alessandro, Maria Beatrice Coltelli, Lorenzo Pio Serino, Roberto Pini, Andrea Lazzeri, Mario Petrini and Serena Danti

    Version of Record online: 12 SEP 2017 | DOI: 10.1002/mame.201700300

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    Poly(vinyl alcohol) (PVA)/gelatin scaffolds are produced via emulsion and freeze-drying from 100/0 to 50/50 (w/w) compositions. Changing composition affects pore size distribution and biological response of endothelial cells and mesenchymal stromal cells, including metabolic activity and differentiation. PVA/gelatin 80/20 scaffolds allow the formation of mineralized matrix containing organized endothelial-like structures. Systematic investigations on physicochemical and architectural features can improve vascularized bone substitutes.

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