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Hydroxyapatite Biosynthesis Obtained from Sea Urchin Spines (Strongylocentrotus purpuratus): Effect of Synthesis Temperature by Gómez Vázquez, Nayeli Sarahi; Luque Morales, Priscy Alfredo; Gomez Gutierrez, Claudia Mariana; Nava Olivas, Osvaldo de Jesus; Villarreal Sánchez, Ruben Cesar; Vilchis Nestor, Alfredo Rafael; Chinchillas Chinchillas, Manuel de JesÃos is a Engineering article available to read on EtoBox.

What is Hydroxyapatite Biosynthesis Obtained from Sea Urchin Spines (Strongylocentrotus purpuratus): Effect of Synthesis Temperature about?

In this investigation, hydroxyapatite (HA) was synthesized using sea urchin spines (Strongylocentrotus purpuratus) via a precipitation and heat treatment method at three different temperatures (500, 600 and 700 • C). Biosynthesized HA was characterized to determine the vibration of functional groups, morphology, particle size, crystalline structure and chemical composition. For this, Fourier-Transform Infrared Spectroscopy with Attenuated Total Reflectance (FTIR-ATR), Scanning Electron Microscopy (SEM) coupled with Energy Dispersive X-ray Spectroscopy (EDS), X-ray Diffraction (XRD) and X-ray Photoelectron Spectroscopy (XPS) were used, respectively. The FTIR-ATR results reveal that the most defined characteristic HA bonds (O-H, P-O and C-O bonds) were better defined at higher synthesis temperatures. SEM also presented evidence that temperature has a significant effect on morphology. EDS results showed that the Ca/P ratio increased in the samples at higher temperatures. XRD analysis presented the characteristic peaks of HA, showing a lower crystallinity when the synthesis temperature increased. Finally, the XPS confirmed that the material resulting from biosynthesis was HA. Hence, ac

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Author

Gómez Vázquez, Nayeli Sarahi; Luque Morales, Priscy Alfredo; Gomez Gutierrez, Claudia Mariana; Nava Olivas, Osvaldo de Jesus; Villarreal Sánchez, Ruben Cesar; Vilchis Nestor, Alfredo Rafael; Chinchillas Chinchillas, Manuel de JesÃos

Publisher

MDPI AG; Basel: MDPI AG, 2013- (ISSN 2227-9717)

Published

2020

Language

EN

Field

Engineering (Physical Sciences)