Highly Sensitive Fluorescence Probes for Nitric Oxide Based on Boron Dipyrromethene ChromophoreRational Design of Potentially Useful Bioimaging Fluorescence Probe
作者:Yu Gabe、Yasuteru Urano、Kazuya Kikuchi、Hirotatsu Kojima、Tetsuo Nagano
DOI:10.1021/ja037944j
日期:2004.3.1
4-diaminophenyl)-2,6-bis(2-carboxyethyl)-4,4-difluoro-1,3,5,7-tetramethyl-4-bora-3a,4a-diaza-s-indacene (DAMBO-P(H)), based on the BODIPY chromophore, as a highly sensitive fluorescence probe for nitric oxide (NO). DAMBO-P(H) had a low phi value of 0.002, whereas its triazole derivative (DAMBO-P(H)-T), the product of the reaction of DAMBO-P(H) with NO, fluoresced strongly (phi = 0.74). The change of
已知硼二吡咯甲烯 (BODIPY) 在水溶液中具有高荧光量子产率 (phi),但与荧光素相比,在生物应用中的利用并不多。我们开发了 8-(3,4-diaminophenyl)-2,6-bis(2-carboxyethyl)-4,4-difluoro-1,3,5,7-tetramethyl-4-bora-3a,4a-diaza-s -indacene (DAMBO-P(H)),基于 BODIPY 发色团,作为一氧化氮 (NO) 的高灵敏度荧光探针。DAMBO-P(H) 具有 0.002 的低 phi 值,而其三唑衍生物 (DAMBO-P(H)-T),即 DAMBO-P(H) 与 NO 反应的产物,发出强烈荧光(phi = 0.74 )。发现荧光强度的变化受分子内光致电子转移(PeT)机制控制。DAMBO-P(H)的开发策略如下:(1)为了设计高灵敏度的NO探针,