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Haemocompatibility of Modified Nanodiamonds
Michał Wąsowicz1, Mateusz Ficek2, Maciej S Wróbel3
1Department of Morphological Sciences, Faculty of Veterinary Medicine, Warsaw University of Life Sciences, Nowoursynowska 159, 02-776 Warszawa, Poland. michal.wasowicz@interia.eu.
Materials (Basel, Switzerland)
|August 5, 2017
Summary
Modified nanodiamonds show biocompatibility with human blood. These engineered nanoparticles are suitable for developing nanoscale biomarkers and sensing devices for biomedical applications.
Area of Science:
- Nanotechnology
- Biomedical Engineering
- Materials Science
Background:
- Nanodiamonds are being explored for biomedical applications.
- Understanding nanoparticle-blood interactions is crucial for in vivo use.
- Surface modification is key to achieving biocompatibility.
Purpose of the Study:
- To investigate the in vitro interactions of modified nanodiamonds with human blood.
- To assess the biocompatibility of oxygenated and hydrogenated nanodiamonds.
- To evaluate the potential of these nanoparticles in biomedical sensing and diagnostics.
Main Methods:
- Nanodiamond particles were modified via chemical oxygenation and CVD plasma hydrogenation.
- Modified nanodiamonds were incubated with whole human blood (5 min to 5 h).
- Red blood cell morphology, spectral properties, and haemolysis were analyzed.
Main Results:
- Less than 3% of red blood cells were affected by the nanodiamonds.
- Specific surface modifications (oxygenation, hydrogenation) enhance biocompatibility.
- No significant haemolysis or adverse morphological changes were observed.
Conclusions:
- Modified nanodiamonds exhibit excellent biocompatibility with human blood.
- These nanoparticles can be safely used in biomedical environments.
- They offer potential for developing advanced nanoscale biomarkers and sensing systems.
