为先进应用设计多功能可切换氨基酸衍生聚合物纳米材料

IF 5.8 2区化学 Q1 POLYMER SCIENCE

European Polymer Journal Pub Date : 2025-06-06 DOI:10.1016/j.eurpolymj.2025.114047

Priyank Sinha, Nishikanta Singh, Bhanendra Sahu, Sanjib Banerjee

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引用次数: 0

摘要

多功能嵌段共聚物可以协同提高材料的性能，使其能够在不同的科学学科中使用，从物理化学材料科学到工程应用。在这项研究中，我们设计了一种可切换的聚合物纳米材料，聚（2-（二甲氨基）甲基丙烯酸乙酯）-嵌段聚（组氨酸甲基丙烯酰胺）（PDMAEMA-b-PHisMAM）二嵌段共聚物，利用s点在紫外光照射下。该共聚物可自组装成核壳胶团，对pH和温度变化均有响应，具有可调的两亲性和自适应功能。这种嵌段共聚物除了可以动态切换透明到不透明的薄片，用于太阳能光调制到智能窗口应用之外，还具有明显较低的临界聚集浓度（CAC），使其成为丙烯酸酯、甲基丙烯酸酯和乙烯基单体乳液聚合的有效乳化剂。此外，其动态自组装行为和刺激响应特性为靶向药物递送，生物传感和纳米反应器的应用开辟了新的途径，突出了其在先进生物医学和能源相关技术中的潜力。

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Designing multifunctional switchable amino acid-derived polymeric nanomaterials for advanced applications

Multifunctional block copolymers can synergistically enhance the properties of materials, enabling their use across diverse scientific disciplines, from physicochemical material science to engineering applications. In this study, we designed a switchable polymeric nanomaterial, poly(2-(dimethylamino)ethyl methacrylate)-block-poly(histidine methacrylamide) (PDMAEMA-b-PHisMAM) diblock copolymer, utilizing S-dots under UV light irradiation. This copolymer self-assembles into core–shell micelle and responsive to both pH and temperature changes, demonstrating tunable amphiphilicity and adaptive functionality. Beyond its role in dynamically switchable transparent-to-opaque sheet for solar light modulation towards smart window application, this block copolymer exhibits a significantly lower critical aggregation concentration (CAC), making it an effective emulsifier in emulsion polymerization of acrylate, methacrylate, and vinylic monomers. Furthermore, its dynamic self-assembly behavior and stimuli-responsive characteristics open new avenues for applications in targeted drug delivery, bio-sensing, and nanoreactors, highlighting its potential in advanced biomedical and energy-related technologies.

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来源期刊

European Polymer Journal 化学-高分子科学

CiteScore

9.90

自引率

10.00%

发文量

691

审稿时长

23 days

期刊介绍： European Polymer Journal is dedicated to publishing work on fundamental and applied polymer chemistry and macromolecular materials. The journal covers all aspects of polymer synthesis, including polymerization mechanisms and chemical functional transformations, with a focus on novel polymers and the relationships between molecular structure and polymer properties. In addition, we welcome submissions on bio-based or renewable polymers, stimuli-responsive systems and polymer bio-hybrids. European Polymer Journal also publishes research on the biomedical application of polymers, including drug delivery and regenerative medicine. The main scope is covered but not limited to the following core research areas: Polymer synthesis and functionalization • Novel synthetic routes for polymerization, functional modification, controlled/living polymerization and precision polymers. Stimuli-responsive polymers • Including shape memory and self-healing polymers. Supramolecular polymers and self-assembly • Molecular recognition and higher order polymer structures. Renewable and sustainable polymers • Bio-based, biodegradable and anti-microbial polymers and polymeric bio-nanocomposites. Polymers at interfaces and surfaces • Chemistry and engineering of surfaces with biological relevance, including patterning, antifouling polymers and polymers for membrane applications. Biomedical applications and nanomedicine • Polymers for regenerative medicine, drug delivery molecular release and gene therapy The scope of European Polymer Journal no longer includes Polymer Physics.