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Biochemistry, Biophysics, and Structural Biology Commons™
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Articles 1 - 3 of 3
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Nanoparticles Of Cobalt-Substituted Hydroxyapatite In Regeneration Of Mandibular Osteoporotic Bones, Nenad Ignjatović, Zorica Ajduković, Vojin Savić, Stevo Najman, Dragan Mihailović, Perica Vasilijević, Zoran Stojanović, Vuk Uskoković, Dragab Uskoković
Nanoparticles Of Cobalt-Substituted Hydroxyapatite In Regeneration Of Mandibular Osteoporotic Bones, Nenad Ignjatović, Zorica Ajduković, Vojin Savić, Stevo Najman, Dragan Mihailović, Perica Vasilijević, Zoran Stojanović, Vuk Uskoković, Dragab Uskoković
Pharmacy Faculty Articles and Research
Indications exist that paramagnetic calcium phosphates may be able to promote regeneration of bone faster than their regular, diamagnetic counterparts. In this study, analyzed was the influence of paramagnetic cobalt-substituted hydroxyapatite nanoparticles on osteoporotic alveolar bone regeneration in rats. Simultaneously, biocompatibility of the material was tested in vitro, on osteoblastic MC3T3-E1 and epithelial Caco-2 cells in culture. The material was shown to be biocompatible and nontoxic when added to epithelial monolayers in vitro, while it caused a substantial decrease in the cell viability as well as deformation of the cytoskeleton and cell morphology when incubated with the osteoblastic …
Dynamic Light Scattering And Zeta Potential Of Colloidal Mixtures Of Amelogenin And Hydroxyapatite In Calcium And Phosphate Rich Ionic Milieus, Vuk Uskoković, Roselyn Odsinada, Sonia Djordjevic, Stefan Habelitz
Dynamic Light Scattering And Zeta Potential Of Colloidal Mixtures Of Amelogenin And Hydroxyapatite In Calcium And Phosphate Rich Ionic Milieus, Vuk Uskoković, Roselyn Odsinada, Sonia Djordjevic, Stefan Habelitz
Pharmacy Faculty Articles and Research
The concept of zeta-potential has been used for more than a century as a basic parameter in controlling the stability of colloidal suspensions, irrespective of the nature of their particulate ingredients – organic or inorganic. There are prospects that self-assembly of peptide species and the protein-mineral interactions related to biomineralization may be controlled using this fundamental physicochemical parameter. In this study, we have analyzed the particle size and zeta-potential of the full-length recombinant human amelogenin (rH174), the main protein of the developing enamel matrix, in the presence of calcium and phosphate ions and hydroxyapatite (HAP) particles. As calcium and phosphate …
Prospects And Pits On The Path Of Biomimetics: The Case Of Tooth Enamel, Vuk Uskoković
Prospects And Pits On The Path Of Biomimetics: The Case Of Tooth Enamel, Vuk Uskoković
Pharmacy Faculty Articles and Research
This review presents a discourse on challenges in understanding and imitating the process of amelogenesis in vitro on the molecular scale. In light of the analysis of imitation of the growth of dental enamel, it also impends on the prospects and potential drawbacks of the biomimetic approach in general. As the formation of enamel proceeds with the protein matrix guiding the crystal growth, while at the same time conducting its own degradation and removal, it is argued that three aspects of amelogenesis need to be induced in parallel: a) crystal growth; b) protein assembly; c) proteolytic degradation. A particular emphasis …