{"title":"Fabricating Biodegradable Tissue Scaffolds Through a New Aggregation Triggered Physical Cross-Linking Strategy of Hydrophilic and Hydrophobic Polymers","authors":"Elif Kaga, Sadik Kaga","doi":"10.1002/mame.202470019","DOIUrl":"https://doi.org/10.1002/mame.202470019","url":null,"abstract":"<p><b>Front Cover</b>: Taking the advantage of hydrophobic nature of PLGA and branched structure of POEGMEMA, enables to get physically cross-linked scaffolds. Physical cross-linking is achieved by aggregation of PLGA in aqueous media and formation of intra- and inter-molecular entangles between aggregated PLGA and branched POEGMEMA polymers. Thus, though high hydrophilic POEGMEMA content, robust polymeric scaffolds are obtained without using toxic reactions. More details can be found in article 2400112 by Elif Kaga and Sadik Kaga.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":18151,"journal":{"name":"Macromolecular Materials and Engineering","volume":null,"pages":null},"PeriodicalIF":4.2,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/mame.202470019","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142438947","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D. Gheorghe, S. Díez-Villares, R. Sandu, A. Neacsu, D.-A. Neacsu, A. Serban, A. Botea-Petcu, V. T. Popa, J. Garcia-Fernandez, R. L. López, M. de la Fuente Freire, F. Teodorescu, S. Tanasescu
{"title":"Correction to “PEGylation Effects on the Interaction of Sphingomyelin Nanoemulsions with Serum Albumin: A Thermodynamic Investigation”","authors":"D. Gheorghe, S. Díez-Villares, R. Sandu, A. Neacsu, D.-A. Neacsu, A. Serban, A. Botea-Petcu, V. T. Popa, J. Garcia-Fernandez, R. L. López, M. de la Fuente Freire, F. Teodorescu, S. Tanasescu","doi":"10.1002/mame.202400334","DOIUrl":"https://doi.org/10.1002/mame.202400334","url":null,"abstract":"<p>PEGylation Effects on the Interaction of Sphingomyelin Nanoemulsions with Serum Albumin: A Thermodynamic Investigation. Macromol. Mater. Eng. 2023, 308, 2200622. https://doi.org/10.1002/mame.202200622</p><p>In the “Acknowledgements” section, the following acknowledgement was missing: “Horizon 2020 Framework Program Project: 814607 – SAFE-N-MEDTECH.”</p><p>We apologize for this error.</p>","PeriodicalId":18151,"journal":{"name":"Macromolecular Materials and Engineering","volume":null,"pages":null},"PeriodicalIF":4.2,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/mame.202400334","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142439120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Matthew Phillips, Muh‐Jang Chen, Jong Ryu, Mohammed Zikry
{"title":"Dynamic Behavior of Ribbed Viscoelastic CNT‐PDMS Thin‐Films for Multifunctional Applications","authors":"Matthew Phillips, Muh‐Jang Chen, Jong Ryu, Mohammed Zikry","doi":"10.1002/mame.202400098","DOIUrl":"https://doi.org/10.1002/mame.202400098","url":null,"abstract":"Tailored ribbing structures are obtained by large‐scale rolling in polymer PDMS thin‐films by adding carbon nanotubes (CNT) inclusions, which significantly improved the mechanical behavior of systems subjected to dynamic compressive strain rates. A nonlinear explicit dynamic three‐dimensional finite‐element (FE) scheme is used to understand and predict the thermomechanical response of the manufactured ribbed thin‐film structures subjected to dynamic in‐plane compressive loading. Representative volume element (RVE) FE models of the ribbed thin‐films are subjected to strain rates as high as 10<jats:sup>4</jats:sup> s<jats:sup>−1</jats:sup> in both the transverse and parallel ribbing directions. Latin Hypercube Sampling of the microstructural parameters, as informed from experimental observations, provide the microstructurally based RVEs. An interior‐point optimization routine is also employed on a regression model trained from the FE predictions that can be used to design ribbed materials for multifunctional applications. The model verifies that damage can be mitigated in CNT‐PDMS systems subjected to dynamic compressive loading conditions by controlling the ribbing microstructural characteristics, such as the film thickness and the ribbing amplitude and wavelength. This approach provides a framework for designing materials that can be utilized for applications that require high strain rate damage tolerance, drag reduction, antifouling, and superhydrophobicity.","PeriodicalId":18151,"journal":{"name":"Macromolecular Materials and Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142258078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hamta Majd, Merve Gultekinoglu, Cem Bayram, Beren Karaosmanoğlu, Ekim Z. Taşkıran, Didem Kart, Özgür Doğuş Erol, Anthony Harker, Mohan Edirisinghe
{"title":"Biomedical Efficacy of Garlic-Extract-Loaded Core-Sheath Plasters for Natural Antimicrobial Wound Care","authors":"Hamta Majd, Merve Gultekinoglu, Cem Bayram, Beren Karaosmanoğlu, Ekim Z. Taşkıran, Didem Kart, Özgür Doğuş Erol, Anthony Harker, Mohan Edirisinghe","doi":"10.1002/mame.202470017","DOIUrl":"https://doi.org/10.1002/mame.202470017","url":null,"abstract":"<p><b>Front Cover</b>: A novel core-sheath fiber structure made using pressurized gyration and where the thin sheath is loaded with garlic (<i>Allium Sativum</i>) eliminates bacteria. This is demonstrated by comparing the top half of the micrograph with the bottom half where the bacteria are virtually absent. The exploitation of natural materials like garlic in this way paves the way for a new generation of economical but very effective and safe wound healing patches. More details can be found in article 2400014 by Mohan Edirisinghe and co-workers.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":18151,"journal":{"name":"Macromolecular Materials and Engineering","volume":null,"pages":null},"PeriodicalIF":4.2,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/mame.202470017","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142230948","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Multiscale Glass Fiber/Epoxy Nanocomposites Incorporated with Graphene and Zinc Oxide Nanoparticles: Enhanced Mechanical Properties","authors":"Barshan Dev, Shah Ashiquzzaman Nipu, Md Ashikur Rahman, Khondokar Raihan Mahmud, Maksudur Rahman Riyad, Md Zillur Rahman","doi":"10.1002/mame.202400245","DOIUrl":"https://doi.org/10.1002/mame.202400245","url":null,"abstract":"This study fabricates multiscale glass fiber/epoxy composites by incorporating graphene nanoparticles (GNPs) and zinc oxide nanoparticles (ZnO NPs) to investigate the influences of NPs on the mechanical properties of composites. The composites are manufactured using the compression molding technique with different GNP contents (i.e., 0, 0.5, 1, and 1.5 wt.%), whereas the contents of glass fibers and ZnO NPs remained the same at 40 and 4 wt.%, respectively. Their mechanical properties, chemical compositions, and fracture morphologies are then evaluated. It is found that the mechanical properties of composites improve significantly at a lower content (i.e., 0.5 wt.%) of GNPs and tend to decrease at higher contents (i.e., 1 and 1.5 wt.%). The composite is composed of 0.5 wt.% GNPs exhibit maximum tensile modulus and strength of 6.74 GPa and 230.25 MPa, and flexural modulus and strength of 16.43 GPa and 831.79 MPa, respectively, impact strength of 47.25 kJ m<jats:sup>−2</jats:sup>, and maximum hardness (97.96 Shore D), among all nanocomposites. Moreover, fracture morphologies reveal that composite failure is predominately caused by fiber breakage, fiber‐matrix debonding, voids, and GNP agglomeration. The outcomes of this study provide some insights to promote the application of manufactured multiscale composites in the aerospace, automotive, and marine industries.","PeriodicalId":18151,"journal":{"name":"Macromolecular Materials and Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142225179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sahin Demirci, Mehtap Sahiner, Shaida S. Rumi, Selin S. Suner, Noureddine Abidi, Nurettin Sahiner
{"title":"The Use of Low‐Quality Cotton‐Derived Cellulose Films as Templates for In Situ Conductive Polymer Synthesis as Promising Biomaterials in Biomedical Applications","authors":"Sahin Demirci, Mehtap Sahiner, Shaida S. Rumi, Selin S. Suner, Noureddine Abidi, Nurettin Sahiner","doi":"10.1002/mame.202400246","DOIUrl":"https://doi.org/10.1002/mame.202400246","url":null,"abstract":"Here, the use of cellulose films (CFs) produced from low‐quality cotton is reported as a template for in situ synthesis of well‐known conductive polymers, e.g., polyaniline (PANI) and polypyrrole (PPY) via oxidative polymerization. Three successive monomer loading/polymerization cycles of aniline (ANI) and pyrrole (PY) within CFs as PANI@CF or PPY@CF are carried out to increase the amount of conductive polymer content. The contact angle (CA) for three times ANI and PPY loaded and polymerized CFs as 3PANI@CF and 3PPY@CF are determined as 26.3±2.8 and 42.3±0.6 degrees, respectively. As the electrical conductivity is increased with increased number of conductive polymer synthesis within CF, the higher conductivity values, 3×10<jats:sup>−4</jats:sup>±8.1×10<jats:sup>−5</jats:sup> S.cm<jats:sup>−1</jats:sup> and 2.1×10<jats:sup>−3</jats:sup>±5.8×10<jats:sup>−4</jats:sup> S.cm<jats:sup>−1</jats:sup>, respectively are measured for 3PANI@CF and 3PPY@CF composites. It is found that PANI@CF composites are hemolytic, whereas PPY@CF composites are not at 1 mg mL<jats:sup>−1</jats:sup> concentrations. All PPY@CF composites exhibit better biocompatibility than PANI@CF composites on L929 fibroblast cells with more than 70±8% viability at 1 mg of CF‐based conductive polymer composites. Moreover, MIC and MBC values of 3PPY@CF composites for <jats:italic>Escherichia coli</jats:italic> (ATCC8739) and <jats:italic>Staphylococcus aureus</jats:italic> (ATCC6538) are determined as 2.5 and 5.0 mg.mL<jats:sup>−1</jats:sup>, whereas these values are estimated as 5 and 10 mg.mL<jats:sup>−1</jats:sup> for <jats:italic>Candida albicans</jats:italic> (ATCC10231).","PeriodicalId":18151,"journal":{"name":"Macromolecular Materials and Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142225181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Recyclable and Stable Strain Sensors Based on Semi‐Wrapped Structure of Silver Nanowires in Polyvinyl Alcohol for Human Motion Monitoring","authors":"Yiyi Chen, Yanlin Li, Qi Zhang, Ting Peng, Huangzhong Yu, Shengwei Shi","doi":"10.1002/mame.202400116","DOIUrl":"https://doi.org/10.1002/mame.202400116","url":null,"abstract":"Highly sensitive strain sensors have been widely used in human motion monitoring, medical treatment, soft robots, and human–computer interaction, and the recycling of functional materials is in a huge demand for eco‐friendly and sustainable electronics. However, the manufacturing of recyclable strain sensors still remains challenging. Here, a semi‐wrapped structure based on silver nanowires and polyvinyl alcohol is proposed to realize a recyclable and stable strain sensor. It has shown excellent sensitivity, fast response, high stretchability and good environmental stability, and is successfully applied for human motion monitoring. In addition, a simple strategy is developed to effectively recycle silver nanowires in an eco‐friendly manner. The recyclable and stable strain sensor demonstrates potential applications in wearable and stretchable electronics, and the recycling strategy can be extended to other noble metal nanomaterials.","PeriodicalId":18151,"journal":{"name":"Macromolecular Materials and Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142197209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Development and Evaluation of a Diclofenac‐Loaded Thermogel for Topical Treatment of Corneal Alkali Burns","authors":"Zhengwei Ge, Yanying Zhao, Tingting Guo, Shengnan Liang, Zhongping Chen","doi":"10.1002/mame.202400164","DOIUrl":"https://doi.org/10.1002/mame.202400164","url":null,"abstract":"Corneal alkali burns have become a frequent and urgent issue in ophthalmology, but current treatments are limited. To address this, a diclofenac‐loaded thermogel with anti‐inflammatory agents is developed to target inflammation and improve drug delivery for corneal alkali burns. Thermogels are prepared by dissolving methylcellulose (MC) and hydroxypropyl methylcellulose (HPMC) in phosphate‐buffered saline (PBS), adding diclofenac (DF), and storing the solution at 4 °C. The thermogel's temperature‐sensitive behavior and injectability at 35 °C are assessed. Freeze‐dried thermogels are examined using scanning electron microscopy. Rheological properties, swelling behavior, and in vitro release studies are conducted. In vitro and in vivo biocompatibility tests are performed. A corneal alkali burn model is established in rats, and different treatments are administered for 7 days. Eyeballs are collected for histological and molecular analysis. The thermogel formulation formed a stable gel at 35 °C and continuously released DF for 7 days. In vitro and in vivo tests confirmed the thermogels' excellent biocompatibility. The released DF promotes the expression of the anti‐inflammatory cytokine interleukin‐10 (IL‐10) and inhibits the expression of pro‐inflammatory factors TNF‐α and vascular endothelial growth factor (VEGF). This novel DF/thermogel offers an efficient, topical, and cost‐effective approach with significant potential for treating corneal alkali burns.","PeriodicalId":18151,"journal":{"name":"Macromolecular Materials and Engineering","volume":null,"pages":null},"PeriodicalIF":3.9,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142225180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}