A twisted tale: measuring viscosity and temperature of microenvironments using molecular rotors

IF 2.5 2区 化学 Q3 CHEMISTRY, PHYSICAL
Aurimas Vyšniauskas, M. Kuimova
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引用次数: 29

Abstract

ABSTRACT Measuring viscosity and temperature on the microscale is a challening yet very important task, in materials sciences and in biology alike. In this perpsective we review and discuss fluorescent microviscosity sensors, termed ‘molecular rotors’, that offer a convenient way of measuring microscopic viscosity and sometimes may even be used to measure microscopic temperature in addition to viscosity. We discuss how temperature in combination with various solvent properties can affect microviscosity measurements and we review possible action mechanisms that make molecular rotors sensitive to multiple parameters of their environment. Overall, we reveal a complicated, yet exciting, behaviour of molecular rotors at different viscosity, temperature and solvent properties on the microscale and how this behaviour can be explained and exploited.
一个扭曲的故事:用分子转子测量微环境的粘度和温度
在材料科学和生物学中,在微观尺度上测量粘度和温度是一项具有挑战性但又非常重要的任务。从这个角度来看,我们回顾和讨论荧光微粘度传感器,称为“分子转子”,它提供了一种方便的测量微观粘度的方法,有时甚至可以用来测量微观温度和粘度。我们讨论了温度与各种溶剂性质的结合如何影响微粘度测量,并回顾了使分子转子对其环境的多个参数敏感的可能作用机制。总的来说,我们揭示了分子转子在不同粘度、温度和溶剂性质下在微观尺度上的复杂而令人兴奋的行为,以及如何解释和利用这种行为。
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来源期刊
CiteScore
14.20
自引率
1.60%
发文量
5
审稿时长
1 months
期刊介绍: International Reviews in Physical Chemistry publishes review articles describing frontier research areas in physical chemistry. Internationally renowned scientists describe their own research in the wider context of the field. The articles are of interest not only to specialists but also to those wishing to read general and authoritative accounts of recent developments in physical chemistry, chemical physics and theoretical chemistry. The journal appeals to research workers, lecturers and research students alike.
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