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Updated: Jan 21, 2026
09:31
Surface Properties of Synthesized Nanoporous Carbon and Silica Matrices
Published on: March 27, 2019
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Mesoporous silica/protein biocomposites: Surface, topography, thermal properties
Agnieszka Chrzanowska1, Anna Derylo-Marczewska1
1Faculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland.
International Journal of Biological Macromolecules
|August 7, 2019
Summary
This study characterizes protein-adsorbed mesoporous silica (MCF) biocomposites. Larger bovine serum albumin (BSA) molecules showed more stable interactions and surface property changes on MCF compared to ovalbumin (OVA).
Area of Science:
- Materials Science
- Biochemistry
- Surface Chemistry
Background:
- Mesoporous silica materials (MCF) are widely used supports.
- Understanding protein adsorption on these supports is crucial for biomaterial development.
Purpose of the Study:
- To characterize biocomposite systems of mesoporous silica (MCF) and protein molecules (BSA and OVA).
- To analyze the surface, topographic, and thermal properties of these protein/MCF biocomposites.
Main Methods:
- X-ray diffraction (XRD)
- Fourier transform infrared spectroscopy with attenuated total reflectance (FTIR-ATR)
- X-ray photoelectron spectroscopy (XPS)
- Scanning electron microscopy with microanalysis (SEM)
- Thermogravimetric/Differential Scanning Calorimetry-Fourier Transform Infrared Spectroscopy-Mass Spectrometry (TG/DSC-FTIR-MS) coupled technique.
Main Results:
- Significant differentiation in surface chemistry and topography of MCF was observed after protein adsorption.
- Thermal analysis revealed stronger changes in surface properties and more stable interactions for larger BSA molecules compared to smaller OVA molecules.
- Detailed information on microstructure, chemical bonds, functional groups, and elemental composition of the biocomposites was obtained.
Conclusions:
- Protein adsorption significantly alters the surface properties of mesoporous silica.
- The size of protein molecules influences their interaction stability and the resulting changes in surface properties of the MCF support.
- These findings provide insights into designing advanced biomaterials with controlled protein interactions.
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