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Nanoparticle conversion to biofilms: in vitro demonstration using serum-derived mineralo-organic nanoparticles
Tsui-Yin Wong1,2, Hsin-Hsin Peng1,2, Cheng-Yeu Wu1,2,3
1Laboratory of Nanomaterials, Chang Gung University, Gueishan, Taoyuan 33302, Taiwan.
Aims:
Mineralo-organic nanoparticles (NPs) detected in biological fluids have been described as precursors of physiological and pathological calcifications in the body. Our main objective was to examine the early stages of mineral NP formation in body fluids.
Materials & Methods:
A nanomaterial approach based on atomic force microscopy, dynamic light scattering, electron microscopy and spectroscopy was used.
Results:
The mineral particles, which contain the serum proteins albumin and fetuin-A, initially precipitate in the form of round amorphous NPs that gradually grow in size, aggregate and coalesce to form crystalline mineral films similar to the structures observed in calcified human arteries.
Conclusion:
Our study reveals the early stages of particle formation and provides a platform to analyze the role(s) of mineralo-organic NPs in human tissues.
