Coordination induced supramolecular assembly of fluorescent C-Phycocyanin for biologic discrimination of metal ions

被引：6

作者：

Han, Xiangsheng ^{[1
,2
]}

Lv, Lili ^{[1
,2
]}

Yu, Daoyong ^{[3
]}

Wu, Xiaochen ^{[1
]}

Li, Chaoxu ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] China Univ Petr East China, Ctr Bioengn & Biotechnol, Qingdao 266580, Peoples R China

来源：

MATERIALS LETTERS | 2018年 / 215卷

关键词：

C-Phycocyanin; Metal ions; Coordination; Supramolecular assembly; Biologic probe; PROTEINS; PLATFORM; GRAPHENE;

D O I：

10.1016/j.matlet.2017.12.116

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Living microbes can accumulate and exhibit distinct responses to different metal ions by strong coordination between bio-macromolecules and metal ions. Thus carefully selected bio-macromolecules could possibly serve as sensitive biologic probes to discriminate toxic metal ions. C-Phycocyanin (C-PC), a water-soluble phycobiliprotein widespread in algae, was selected as a unique biologic probe. Heavy-metal ions coordinated with C-PC, altered greatly secondary structures and fluorescence of C-PC, and also induced supramolecular fibrillation, in contrast to inert response of other metal ions. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：238 / 241

页数：4

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