Polydiacetylene-based colorimetric and fluorometric sensors for lead ion recognition.

ABSTRACT: Development of novel sensors for the detection of lead ions (Pb²⁺) has attracted increasing interest due to their inherent toxic effects on human health and the environment. In this study, we describe two new polydiacetylene (PDA)-based liposome sensors for the colorimetric and fluorometric recognition of Pb²⁺ in aqueous solution. In the sensor system, a thymine-1-acetic acid (TAA) or orotic acid (OA) group was reasonably introduced into the diacetylene monomer to work as a strong binding site for Pb²⁺. The TAA- or OA-functionalized monomer and 10,12-pentacosadiynoic acid (PCDA) were incorporated into PDA liposomes in aqueous solution. After UV light-induced polymerization, deep blue colored liposome solutions were obtained. Upon the addition of a series of

SUBMITTER: Chen SW 

PROVIDER: S-EPMC9364160 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature