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Polymer Classification: Crystallinity

Polymer Classification: Crystallinity

Unlike ionic or small covalent molecules, polymers do not form crystalline solids due to the diffusion limitations of their long-chain structures. However, polymers contain microscopic crystalline domains separated by amorphous domains.
Crystalline domains are the regions where polymer chains are aligned in an orderly manner and held together in proximity by intermolecular forces. For example, chains in the crystalline domains of polyethylene and nylon are bound together by van der Waals...

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相关实验视频

Updated: Apr 12, 2026

Forming Giant-sized Polymersomes Using Gel-assisted Rehydration

Forming Giant-sized Polymersomes Using Gel-assisted Rehydration

Published on: May 26, 2016

南极聚合物的压力驱动脱聚合:结构重构和凝增强的功能.

Na Li¹, Qingcheng Meng¹, Xin Zhao²

¹SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, Collaborative Innovation Center of Seafood Deep Processing, Liaoning Province Key Laboratory for Marine Food Science and Technology, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China.

|January 10, 2026

概括

超高压 (UHP) 处理通过去聚合聚合物和提高溶解度来增强南极鱼蛋白 (AKP) 的功能. 这种非热方法改变了蛋白质结构,从而产生了更好的凝性质.

关键词:

南极的蛋白质是南极的蛋白质.脱聚合脱聚合方式功能性的功能性.凝化是一种凝化.结构修改是指结构的修改.超高压超高压的压力

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Published on: April 16, 2018

Directed Assembly of Elastin-like Proteins into defined Supramolecular Structures and Cargo Encapsulation In Vitro

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Published on: April 8, 2020

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Last Updated: Apr 12, 2026

Forming Giant-sized Polymersomes Using Gel-assisted Rehydration

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Published on: May 26, 2016

Fabricating Degradable Thermoresponsive Hydrogels on Multiple Length Scales via Reactive Extrusion, Microfluidics, Self-assembly, and Electrospinning

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科学领域:

食品科学与技术食品科学与技术
生物化学生物化学
蛋白质化学蛋白质化学

背景情况:

南极鱼蛋白质 (AKP) 聚合物在功能方面存在挑战.
寻求非热加工方法来改善蛋白质的特性而不会降解.

研究的目的:

研究超高压 (UHP) 技术对南极蛋白 (AKP) 脱聚合,结构和功能性质的影响.
评估UHP作为增强AKP功能的一种非热方法.

主要方法:

超高压 (UHP) 技术在不同压力 (高达600MPa) 的应用.
分析蛋白质溶解度,度,颗粒大小,表面水性,硫含量和二次结构.
评价凝性质,包括储存模块.

主要成果:

UHP治疗显著增加了AKP的溶解度,并降低了度.
颗粒大小分析表明,在UHP下,AKP聚合物的脱聚合.
UHP诱导了蛋白质展开,增加了表面疏水性,并将二次结构从α-螺旋转移到β-片.
观察到增强的凝性质,其峰值储存模块为600 MPa.

结论:

超高压 (UHP) 是一种有效的非热方法,用于提高南极蛋白 (AKP) 的功能.
由UHP引起的结构变化,包括脱聚合和展开,负责提高可溶性和凝等功能性质.