Preparation of calcium-deficient hydroxyapatite particles on vermiculite by precipitation and sonication

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27640%2F17%3A10237678" target="_blank" >RIV/61989100:27640/17:10237678 - isvavai.cz</a>
Alternative codes found
RIV/61989100:27740/17:10237678
Result on the web
<a href="https://link.springer.com/article/10.1007%2Fs41779-017-0091-1" target="_blank" >https://link.springer.com/article/10.1007%2Fs41779-017-0091-1</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s41779-017-0091-1" target="_blank" >10.1007/s41779-017-0091-1</a>

Result language
angličtina
Original language name
Preparation of calcium-deficient hydroxyapatite particles on vermiculite by precipitation and sonication
Original language description
Ca-deficient hydroxyapatite (CDH) is biocompatible, cheap material used in implants and non-biological applications. Due to similarity of CDH with human hard tissues, it is suitable for manufacturing of bone substituents. Clay minerals are suitable natural and non-toxic materials used as substrates for the growth of nanoparticles. Combination of nontoxic nature of the clay minerals with CDH is possible to achieve nanocomposites with properties advantageous for medical or catalytic applications. The aim of the study was to prepare CDH on the surface of a monoionic Na/Mg form of original vermiculites (Vs) from Brazil and Bulgaria. The CDH was prepared by precipitation under constant mixing or sonication conditions. XRD analysis confirmed that CDH was successfully prepared on the V surfaces, and the type of V did not influence CDH creation. Basal reflections of vermiculites do not show changes indicating an interaction between vermiculites and CDH. No interactions between V and CDH were observed in FTIR measurement and fitting analysis. Scanning electron microscopy shows creation of CDH particles and coherent layer on the V surface. The results showed that V serves as a support for CDH particles and probably does not influence the chemistry of CDH.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20505 - Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)

Project
<a href="/en/project/LQ1602" target="_blank" >LQ1602: IT4Innovations excellence in science</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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