journal article·2019-05-13

Biocompatible Photoluminescent Silk Fibers with Stability and Durability

Yuan He, Li Mei Zhang, Yong Mei Chen, Lei Sun, Chen Hu, Mei Xiang Wang, Yang Gao, Jian Hai Yang, Qi Qing Zhang

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Abstract

Exploring photoluminescent silk fibers, possessing biocompatibility as well as stable and durable fluorescent properties, is a requirement for the development of novel photoluminescent biomaterials. Herein, we fabricate photoluminescent silk fibers, TPCA@SF, via modifying an organic fluorescent molecule (5-oxo-3,5-dihydro-2H-thiazolo [3,2-a] pyridine-7-carboxylic acid, TPCA) onto silk fibers, along with using quaternary ammonium salt didodecyldimethylammonium bromide (DDAB) as a color-fixing agent. The hydrogen bonds and electrostatic association among silk fibers, TPCA and DDAB, ensure the stable modification. The facile and green fabrication process is achieved in water under mild conditions without using any toxic substances. The TPCA@SF manifests the combining features of high quantum yield, fluorescence water-fastness, antiphotobleaching, good mechanical property, and biocompatibility. The strategy holds great potential for exploring various biocompatible photoluminescent substances with stability and durability.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Silk-based biomaterials and applications · Antimicrobial Peptides and Activities · Phytochemical compounds biological activities

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory for Strength and Vibration of Mechanical Structures, International Center for Applied Mechanics, School of Aerospace Engineering, Collaborative Innovation Center of Suzhou Nano Science and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China

College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Key Laboratory of Leather Cleaner Production, China National Light Industry, Xi’an, Shaanxi 710021, China

School of Science, State Key Laboratory for Mechanical Behaviour of Materials, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China

Institute of Biomedical and Pharmaceutical Technology, Fuzhou University, Fuzhou, Fujian 350002, China

Fujian Guided Tissue Regeneration (GTR) Biotechnology Co., Ltd., Fuzhou 350108, China

Funding

National Natural Science Foundation of China · Ministry of Science and Technology of China and Shaanxi Province · Program for the Key Science and Technology Innovative Team of Shaanxi Province · Collaborative Innovation Center of Suzhou Nano Science and Technology, Suzhou Research Institute

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