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Author Spotlight: Characterizing Porous Materials for Aiding the Development of Robust Metal-Organic Frameworks with Adsorption Behavior
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Characterization of porous nanoparticles using the lattice Boltzmann method for fluid flow
W G Rodrigues1, V B Henriques2
1Universidade Federal do Amazonas, Instituto de Ciências Exatas e Tecnologia.
Physical Review. E
|November 18, 2025
Summary
This study presents theoretical data on porous particle drag force, revealing inconsistencies in dynamic light scattering (DLS) measurements compared to other techniques. Findings suggest a potential error source in DLS analysis for porous capsules.
Area of Science:
- Fluid dynamics
- Materials science
- Biophysics
Background:
- Nanoporous capsules are crucial for drug delivery, requiring accurate structural characterization.
- Experimental techniques like light scattering are used, but inconsistencies exist.
Purpose of the Study:
- To theoretically investigate the relationship between size, porosity, and drag force in porous particles.
- To compare theoretical findings with existing analytical solutions and experimental data.
Main Methods:
- Numerical simulation using the lattice Boltzmann method for creeping flow.
- Analysis of hydrodynamic equations for porous spherical objects.
Main Results:
- Theoretical data on drag force for porous particles were generated.
- Discrepancies with previous analytical solutions for high permeability were observed.
- Comparison with dynamic and static light scattering experiments on porous vesicles was performed.
Conclusions:
- Findings highlight potential errors in dynamic light scattering (DLS) measurements for porous structures.
- The study offers insights into the hydrodynamics of porous particles, aiding in accurate characterization.
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