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Molecular Dynamics Simulation of Biomolecules

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Biophysics".

Deadline for manuscript submissions: 30 March 2025 | Viewed by 959

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Guest Editor
Department of Chemistry, University of Illinois at Chicago, Chicago, IL, USA
Interests: nanoscale simulations; computational chemistry; supramolecular self-assembly; drug design; ligand docking; GPCRs
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Special Issue Information

Dear Colleagues,

Biomolecules play a big role in serving life functions. They are essential in understanding how life functions at the basic molecular level, which can have macroscopic implications. Understanding how they function can help us not only understand disease mechanisms and potential novel therapeutics, but also design new materials and industrial processes that can be more environmentally friendly and efficient. While many experiments can describe and elucidate what we observe on the macroscopic level, it does not explain microscopic phenomena in atomistic or molecular detail. Therefore, molecular dynamics simulations can be a tool to supplement experiments to help us understand and elucidate biochemical reactions, processes, biomolecular properties, and supramolecular assemblies of biomolecules. Starting from quantum calculations and scaling up into hybrid quantum mechanics/molecular mechanics and classical molecular mechanics simulations, we would like to understand biochemical processes and biomaterial properties more adequately at the molecular level. Topics can include but are not limited to photosynthesis, carbohydrates, lipids, combustion, nucleic acids, protein synthesis, metabolite self-assembly, protein folding, metabolite self-assembly, inter-cellular signaling, and intra-celluar signaling.

Dr. Pavel Rehak
Guest Editor

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Keywords

  • molecular dynamics simulations
  • biochemical processes
  • biomaterial properties

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Published Papers (1 paper)

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Research

14 pages, 3033 KiB  
Article
Luminescence Properties of Hoechst 33258 in Polyvinyl Alcohol Films
by Bong Lee, Agnieszka Jablonska, Danh Pham, Rajveer Sagoo, Zygmunt Gryczynski, Trang Thien Pham and Ignacy Gryczynski
Int. J. Mol. Sci. 2025, 26(2), 514; https://doi.org/10.3390/ijms26020514 - 9 Jan 2025
Viewed by 706
Abstract
We report a comprehensive investigation of the photophysical properties of Hoechst 33258 (HOE) embedded in polyvinyl alcohol (PVA) films. HOE displays a bright, highly polarized, blue fluorescence emission centered at 430 nm, indicating effective immobilization within the polymer matrix of PVA. Its fluorescence [...] Read more.
We report a comprehensive investigation of the photophysical properties of Hoechst 33258 (HOE) embedded in polyvinyl alcohol (PVA) films. HOE displays a bright, highly polarized, blue fluorescence emission centered at 430 nm, indicating effective immobilization within the polymer matrix of PVA. Its fluorescence quantum yield is notably high (~0.74), as determined relative to a quinine sulfate standard. In addition, we observed that HOE-doped PVA films exhibit room temperature phosphorescence (RTP) that remains visible for several seconds after UV excitation ceases. The slightly negative phosphorescence anisotropy implies that the triplet–singlet radiative transition is orthogonal to the singlet–singlet transition governing fluorescence. Notably, we observed that direct triplet-state excitation at longer wavelengths (beyond the primary absorption band) produces highly polarized RTP. We believe this possibility of direct triplet-state excitation opens new avenues for studying RTP in polymer-immobilized molecules. Full article
(This article belongs to the Special Issue Molecular Dynamics Simulation of Biomolecules)
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