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论文类型：期刊论文

发表时间：2013-02-01

发表刊物：DYES AND PIGMENTS

收录刊物：SCIE、EI

卷号：96

期号：2

页面范围：333-337

ISSN号：0143-7208

关键字：Fluorescent chemosensor; Nitric oxide; 1,8-Naphthalimide; o-phenylenediamine; Colorimetric; Bioimaging

摘要：A fluorescent chemosensor N-n-butyl-3,4-diamino-1,8-naphthalimide (DAN) for detecting NO was developed on the basis of 1,8-naphthalimide with a similar structure of o-phenylenediamine as a NO reaction site. Due to the interaction between the photoinduced electron transfer (PET) and the intramolecular charge transfer (ICT), the chemosensor exhibits a remarkable enhancement in the emission intensity that is ca. 160-fold increase and a blue shift in the emission wavelength after the addition of NO. Meanwhile, it displays a colorimetric response accompanied with a color change from yellow to colorless. The chemosensor DAN shows a high selectivity for NO in the presence of various reactive nitrogen species (RNS) and reactive oxygen species (ROS). Furthermore, DAN can be used for bioimaging of NO in living cells. (C) 2012 Elsevier Ltd. All rights reserved.