Amino Acid-Functionalized Polyfluorenes: A Class of Ultra-Sensitive Fluorescent Sensors Favoring Cr2O72−

Autor:	Wanyi Zhang, Hui Li, Yu Li, Lei Cao, Li Sheng, Ge Zhang, Shuai Chen
Jazyk:	angličtina
Rok vydání:	2023
Předmět:	Cr2O72− conjugated polymer polyfluorene amino acid fluorescent sensor Engineering machinery tools and implements TA213-215
Zdroj:	Engineering Proceedings, Vol 48, Iss 1, p 52 (2023)
Druh dokumentu:	article
ISSN:	2023-1490 2673-4591
DOI:	10.3390/CSAC2023-14909
Popis:	Conjugated polymers (CPs) are an intriguing material with which to build fluorescent Cr2O72− sensors with excellent sensitivity, but they often lack specific recognition groups. In this study, several typical amino acids with N and O atom-identifying groups were incorporated into fluorene, and then six polyfluorene derivatives were synthesized using electrochemical polymerization. Compared to other cations and anions, all of these amino acid-functionalized polyfluorenes have good selectivity towards Cr2O72− and enable ultra-trace responses with detection thresholds at pM or even fM level.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/8b3dfe6fa2334c0f9e95f91bdca4cef8 Zobrazit plný text záznamu View record in DOAJ