粘度和温度对高粘度溶剂中 3-(1H-苯并[d]咪唑-2-基)-7-(二乙基氨基)-2H-色烯-2-酮（极性激光染料）旋转动力学的影响：低粘度和高粘度范围。

IF 2.6 4区化学 Q2 BIOCHEMICAL RESEARCH METHODS

Journal of Fluorescence Pub Date : 2024-10-02 DOI:10.1007/s10895-024-03951-y

Anil Kumar, C G Renuka

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引用次数: 0

摘要

研究人员在高粘度甘油溶剂中研究了 3-(1H-苯并[d]咪唑-2-基)-7-(二乙基氨基)-2H-色烯-2-酮（3HBI-7D-2HChromen-2-one）随温度变化的旋转动力学。在整个研究温度范围内，旋转重新定向时间值随温度呈线性变化。在整个温度范围以及低粘度和高粘度范围内，使用流体力学和准流体力学模型对实验获得的旋转结果进行了分析。使用斯托克-爱因斯坦-德贝（SED）滑移边界条件描述了 3HBI-7D-2HChromen-2-one 旋转动力学。

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Influence of Viscosity and Temperature on Rotational Dynamics of 3-(1H-benzo[d]Imidazol-2-yl)-7-(Diethyl Amino)-2H-chromen-2-one (Polar Laser dye) in Highly Viscous Solvent: Low and High Viscous Range.

Temperature-dependent rotational dynamics of 3-(1 H-benzo[d]imidazol-2-yl)-7-(diethyl amino)-2 H-chromen-2-one (3HBI-7D-2HChromen-2-one) has been studied in highly viscous glycerol solvent. Over the entire studied temperature range rotational reorientation time values vary linearly with temperature. Experimental obtained rotational results are analyzed using hydrodynamic and quasi-hydrodynamic models over the entire temperature range as well as low and high viscous range. 3HBI-7D-2HChromen-2-one rotational dynamics has been described using Stoke's-Einstein-Debye (SED) slip boundary conditions.

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来源期刊

Journal of Fluorescence 化学-分析化学

CiteScore

4.60

自引率

7.40%

发文量

203

审稿时长

5.4 months

期刊介绍： Journal of Fluorescence is an international forum for the publication of peer-reviewed original articles that advance the practice of this established spectroscopic technique. Topics covered include advances in theory/and or data analysis, studies of the photophysics of aromatic molecules, solvent, and environmental effects, development of stationary or time-resolved measurements, advances in fluorescence microscopy, imaging, photobleaching/recovery measurements, and/or phosphorescence for studies of cell biology, chemical biology and the advanced uses of fluorescence in flow cytometry/analysis, immunology, high throughput screening/drug discovery, DNA sequencing/arrays, genomics and proteomics. Typical applications might include studies of macromolecular dynamics and conformation, intracellular chemistry, and gene expression. The journal also publishes papers that describe the synthesis and characterization of new fluorophores, particularly those displaying unique sensitivities and/or optical properties. In addition to original articles, the Journal also publishes reviews, rapid communications, short communications, letters to the editor, topical news articles, and technical and design notes.