Cyanine polyene reactivity: scope and biomedical applications.

Cyanine polyene reactivity: scope and biomedical applications.
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DOI:
10.1039/c5ob00788g
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发表时间:
2015-07-28
影响因子:
3.2
通讯作者:
Schnermann MJ
Schnermann MJ
中科院分区:
化学3区
文献类型:
--
作者:
Gorka AP;Nani RR;Schnermann MJ

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花菁是不可或缺的荧光团,是许多荧光应用的化学基础。将花青与其他常见荧光团区分开的特征是暴露的多烯连接体,其对于吸收和发射都是至关重要的,并且经受共价反应,从而显著改变这些光学性质。在过去的十年中,涉及花青多烯的反应已被用作一系列生物医学技术的基础元素。这些包括生物分析物的光学感测、超分辨率成像和近红外光引发的解开。本文综述了菁多烯的化学反应性和这些反应所能实现的生物医学方法。总体目标是突出花菁化学和生物学的多方面性质,并指出基于反应性的见解在这一有前途的领域中的关键作用。涉及花青多烯的共价修饰的反应使得光学传感、超分辨率成像和近红外解锁中的新兴方法成为可能。
Cyanines are indispensable fluorophores that form the chemical basis of many fluorescence-based applications. A feature that distinguishes cyanines from other common fluorophores is an exposed polyene linker that is both crucial to absorption and emission and subject to covalent reactions that dramatically alter these optical properties. Over the past decade, reactions involving the cyanine polyene have been used as foundational elements for a range of biomedical techniques. These include the optical sensing of biological analytes, super-resolution imaging, and near-IR light-initiated uncaging. This review surveys the chemical reactivity of the cyanine polyene and the biomedical methods enabled by these reactions. The overarching goal is to highlight the multifaceted nature of cyanine chemistry and biology, as well as to point out the key role of reactivity-based insights in this promising area. Reactions involving the covalent modification of the cyanine polyene are enabling emerging approaches in optical sensing, super-resolution imaging, and near-IR uncaging.
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