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Molecular Models

Molecular Models

Physical models representing molecular architectures of chemical compounds play essential roles in understanding chemistry. The use of molecular models makes it easier to visualize the structures and shapes of atoms and molecules.

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Related Experiment Video

Updated: Jun 14, 2025

Concentric Gel System to Study the Biophysical Role of Matrix Microenvironment on 3D Cell Migration

Concentric Gel System to Study the Biophysical Role of Matrix Microenvironment on 3D Cell Migration

Published on: April 3, 2015

Single molecule dynamics in a virtual cell combining a 3-dimensional matrix model with random walks.

Gregory I Mashanov¹, Justin E Molloy^2,3

¹The Francis Crick Institute, London, NW1 1AT, UK. gregory.mashanov@crick.ac.uk.

Scientific Reports

|August 28, 2024

Summary

This summary is machine-generated.

This study introduces a 3D cell simulation tool for modeling single molecule behavior. It generates realistic videos for comparing with live cell microscopy, advancing cell biology research.

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Related Experiment Videos

Last Updated: Jun 14, 2025

Concentric Gel System to Study the Biophysical Role of Matrix Microenvironment on 3D Cell Migration

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Published on: April 3, 2015

Author Spotlight: Streamlining Visual Dynamics to Simplify Molecular Dynamics Simulations Using Gromacs

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Published on: August 9, 2024

Single-Molecule Tracking Microscopy - A Tool for Determining the Diffusive States of Cytosolic Molecules

Single-Molecule Tracking Microscopy - A Tool for Determining the Diffusive States of Cytosolic Molecules

Published on: September 5, 2019

Area of Science:

Cell Biology
Computational Biology
Biophysics

Background:

Light microscopy enables single-molecule imaging in living cells, impacting cell biology.
Computer modeling aids experimental interpretation and hypothesis generation.
Current models often use simplified systems, limiting realism.

Purpose of the Study:

To develop a 3D simulation tool for realistic modeling of molecular dynamics within cellular structures.
To bridge the gap between computational models and experimental fluorescence microscopy data.

Main Methods:

Object-oriented computer modeling of molecular movement and interactions.
A 3D voxelated cell representation including subcellular structures.
Numerical simulation of thousands of individual molecules with floating-point precision.

Main Results:

The simulation tool creates realistic time-series videos of single fluorophore intensities.
Simulated videos include realistic background noise, mimicking experimental data.
The tool allows direct comparison between simulated and experimental fluorescence microscopy data.

Conclusions:

This 3D simulation tool enhances the interpretation of single-molecule microscopy experiments.
It provides a powerful platform for generating and testing hypotheses in cell biology.
The approach facilitates a more accurate understanding of molecular behavior within complex cellular environments.