ArticleDoklady. Biochemistry and biophysics2021
Temperature Dependence of Tryptophan Fluorescence Lifetime as an Indicator of Its Microenvironment Dynamics.
Article in Doklady. Biochemistry and biophysics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- A Four-Wavelength Flow-Through Fluorescence-Scatterometric Sensor That Allows for Real-Time Determination of Fat and Protein Content in Milk-Air Mixtures with High Accuracy.Sensors (Basel, Switzerland) · 2026Article
- Cryogenic single-molecule fluorescence imaging.BMB reports · 2025Review
- The human TRPA1 intrinsic cold and heat sensitivity involves separate channel structures beyond the N-ARD domain.Nature communications · 2022Article
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Authors and funding
7 authors.
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Abstract
The spectral-kinetic characteristics of the fluorescence of the tryptophan molecule in an aqueous solution and in the composition of a protein (albumin) were studied in the temperature range from -170 to 25°C. To explain the observed changes in the spectra and the tryptophan fluorescence lifetime with temperature, a model of transitions between the excited and ground states involving a charge-transfer state was used, which takes into account the nonlinear nature of the dynamics of these transitions. In these processes, an important role is played by the interaction of tryptophan molecules with its microenvironment, as well as rearrangements in the system of hydrogen bonds of the water-protein matrix surrounding the tryptophan molecule.
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