マブチ ミユキ   MIYUKI MABUCHI
  馬渕 美雪
   所属   兵庫医科大学  薬学部 医療薬学科
   職種   助教
言語種別 英語
発行・発表の年月 2016/06
形態種別 学術雑誌
査読 査読あり
標題 A Naphthalimide-Based Cd(2+) Fluorescent Probe with Carbamoylmethyl Groups Working as Chelators and PET-Promoters under Neutral Conditions.
執筆形態 共著
掲載誌名 Chemistry (Weinheim an der Bergstrasse, Germany)
掲載区分国外
巻・号・頁 22(25),pp.8579-85
著者・共著者 Tsukamoto Koji, Shimabukuro Shota, Mabuchi Miyuki, Maeda Hatsuo
概要 We have developed a novel naphthalimide-based Cd(2+) fluorescent probe (1), featuring almost no background response, high sensitivity and selectivity toward Cd(2+) through its high association constant [K=(2.10±0.423)×10(6) ], and a practical working pH range. Membrane-permeability was conferred on 1 by replacing the imide and amide substituents with n-butyl groups, and hence the derivative (4) has found practical utility on fluorescent imaging of Cd(2+) in HeLa cells. Comparison of fluorescent properties between various compounds derived from 1 has demonstrated that the carbamoylmethyl groups in 1 function not only as Cd(2+) chelators but also as promoters for photoinduced electron transfer (PET) by lowering the basicity of the two tertiary amino groups. As a result, 1 and 4 exhibited highly practical performance as Cd(2+) probes under neutral conditions.
DOI 10.1002/chem.201600556
ISSN 1521-3765
PMID 27171798