Hydroxyapatite nanocrystals synthesized from calcium rich bio-wastes
[Display omitted] •HA was synthesized using different calcium rich biowastes and wet chemical precipitation.•HA nanocrystals were characterized using TEM, XRD, DLS, zeta potential and FTIR analysis.•Same characteristic were obtained for the HA synthesized using different feedstocks using the same pr...
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| Veröffentlicht in: | Materials letters 2018-11, Vol.230, p.64-68 |
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| creator | Núñez, Dariela Elgueta, Elizabeth Varaprasad, Kokkarachedu Oyarzún, Patricio |
| description | [Display omitted]
•HA was synthesized using different calcium rich biowastes and wet chemical precipitation.•HA nanocrystals were characterized using TEM, XRD, DLS, zeta potential and FTIR analysis.•Same characteristic were obtained for the HA synthesized using different feedstocks using the same production method.
Hydroxyapatite nanocrystals were synthesized by wet chemical precipitation using bio-waste shells of mollusk (clam and mussel) and egg as feedstock materials. The powdered shells were calcined, dissolved in water, and the resulting product was reacted with phosphoric acid. X-ray diffraction analysis identified pure phase of hydroxyapatite for the three different raw materials. Transmission electron microscopy observations of hydroxyapatite indicated that rod-like crystals were produced in nanometric scale, which showed pH-dependent surface charges using zeta potential analysis. Overall, this study proved that calcium-rich bio-wastes are valuable materials to be used as feedstock for production of high purity and economically feasible hydroxyapatite nanocrystals for biomedical and technological applications. |
| doi_str_mv | 10.1016/j.matlet.2018.07.077 |
| format | Article |
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•HA was synthesized using different calcium rich biowastes and wet chemical precipitation.•HA nanocrystals were characterized using TEM, XRD, DLS, zeta potential and FTIR analysis.•Same characteristic were obtained for the HA synthesized using different feedstocks using the same production method.
Hydroxyapatite nanocrystals were synthesized by wet chemical precipitation using bio-waste shells of mollusk (clam and mussel) and egg as feedstock materials. The powdered shells were calcined, dissolved in water, and the resulting product was reacted with phosphoric acid. X-ray diffraction analysis identified pure phase of hydroxyapatite for the three different raw materials. Transmission electron microscopy observations of hydroxyapatite indicated that rod-like crystals were produced in nanometric scale, which showed pH-dependent surface charges using zeta potential analysis. Overall, this study proved that calcium-rich bio-wastes are valuable materials to be used as feedstock for production of high purity and economically feasible hydroxyapatite nanocrystals for biomedical and technological applications.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2018.07.077</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Biomedical materials ; Calcium ; Chemical precipitation ; Chemical synthesis ; Clam shells ; Diffraction ; Eggshells ; Hydroxyapatite ; Materials science ; Mussel shells ; Nanocrystals ; Organic chemistry ; Phosphoric acid ; Raw materials ; Shells ; Transmission electron microscopy ; X-ray diffraction ; Zeta potential</subject><ispartof>Materials letters, 2018-11, Vol.230, p.64-68</ispartof><rights>2018 Elsevier B.V.</rights><rights>Copyright Elsevier BV Nov 1, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c400t-b207d183f78f4453de249645d3ec272302537185a2ac50ee82a0d6b9a05d8ee23</citedby><cites>FETCH-LOGICAL-c400t-b207d183f78f4453de249645d3ec272302537185a2ac50ee82a0d6b9a05d8ee23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.matlet.2018.07.077$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Núñez, Dariela</creatorcontrib><creatorcontrib>Elgueta, Elizabeth</creatorcontrib><creatorcontrib>Varaprasad, Kokkarachedu</creatorcontrib><creatorcontrib>Oyarzún, Patricio</creatorcontrib><title>Hydroxyapatite nanocrystals synthesized from calcium rich bio-wastes</title><title>Materials letters</title><description>[Display omitted]
•HA was synthesized using different calcium rich biowastes and wet chemical precipitation.•HA nanocrystals were characterized using TEM, XRD, DLS, zeta potential and FTIR analysis.•Same characteristic were obtained for the HA synthesized using different feedstocks using the same production method.
Hydroxyapatite nanocrystals were synthesized by wet chemical precipitation using bio-waste shells of mollusk (clam and mussel) and egg as feedstock materials. The powdered shells were calcined, dissolved in water, and the resulting product was reacted with phosphoric acid. X-ray diffraction analysis identified pure phase of hydroxyapatite for the three different raw materials. Transmission electron microscopy observations of hydroxyapatite indicated that rod-like crystals were produced in nanometric scale, which showed pH-dependent surface charges using zeta potential analysis. Overall, this study proved that calcium-rich bio-wastes are valuable materials to be used as feedstock for production of high purity and economically feasible hydroxyapatite nanocrystals for biomedical and technological applications.</description><subject>Biomedical materials</subject><subject>Calcium</subject><subject>Chemical precipitation</subject><subject>Chemical synthesis</subject><subject>Clam shells</subject><subject>Diffraction</subject><subject>Eggshells</subject><subject>Hydroxyapatite</subject><subject>Materials science</subject><subject>Mussel shells</subject><subject>Nanocrystals</subject><subject>Organic chemistry</subject><subject>Phosphoric acid</subject><subject>Raw materials</subject><subject>Shells</subject><subject>Transmission electron microscopy</subject><subject>X-ray diffraction</subject><subject>Zeta potential</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LxDAUxIMouK5-Aw8Fz60vabJpL4Ksf1ZY8KLgLWSTVzZl265JVq2f3kg9CwNz-c083hBySaGgQBfXbdHpuMNYMKBVATJJHpEZrWSZ81rWx2SWMJkLKd9OyVkILQDwGviM3K1G64evUe91dBGzXveD8WOIeheyMPZxi8F9o80aP3SZ0TvjDl3mndlmGzfknzpEDOfkpEk8Xvz5nLw-3L8sV_n6-fFpebvODQeI-YaBtLQqG1k1nIvSIuP1ggtbomGSlcBEKWklNNNGAGLFNNjFptYgbIXIyjm5mnr3fng_YIiqHQ6-TycVo5QzymsqEsUnyvghBI-N2nvXaT8qCup3L9WqaS_1u5cCmSRT7GaKYfrgw6FXwTjsDVrn0URlB_d_wQ_R8nYW</recordid><startdate>20181101</startdate><enddate>20181101</enddate><creator>Núñez, Dariela</creator><creator>Elgueta, Elizabeth</creator><creator>Varaprasad, Kokkarachedu</creator><creator>Oyarzún, Patricio</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20181101</creationdate><title>Hydroxyapatite nanocrystals synthesized from calcium rich bio-wastes</title><author>Núñez, Dariela ; Elgueta, Elizabeth ; Varaprasad, Kokkarachedu ; Oyarzún, Patricio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c400t-b207d183f78f4453de249645d3ec272302537185a2ac50ee82a0d6b9a05d8ee23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Biomedical materials</topic><topic>Calcium</topic><topic>Chemical precipitation</topic><topic>Chemical synthesis</topic><topic>Clam shells</topic><topic>Diffraction</topic><topic>Eggshells</topic><topic>Hydroxyapatite</topic><topic>Materials science</topic><topic>Mussel shells</topic><topic>Nanocrystals</topic><topic>Organic chemistry</topic><topic>Phosphoric acid</topic><topic>Raw materials</topic><topic>Shells</topic><topic>Transmission electron microscopy</topic><topic>X-ray diffraction</topic><topic>Zeta potential</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Núñez, Dariela</creatorcontrib><creatorcontrib>Elgueta, Elizabeth</creatorcontrib><creatorcontrib>Varaprasad, Kokkarachedu</creatorcontrib><creatorcontrib>Oyarzún, Patricio</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Núñez, Dariela</au><au>Elgueta, Elizabeth</au><au>Varaprasad, Kokkarachedu</au><au>Oyarzún, Patricio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hydroxyapatite nanocrystals synthesized from calcium rich bio-wastes</atitle><jtitle>Materials letters</jtitle><date>2018-11-01</date><risdate>2018</risdate><volume>230</volume><spage>64</spage><epage>68</epage><pages>64-68</pages><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>[Display omitted]
•HA was synthesized using different calcium rich biowastes and wet chemical precipitation.•HA nanocrystals were characterized using TEM, XRD, DLS, zeta potential and FTIR analysis.•Same characteristic were obtained for the HA synthesized using different feedstocks using the same production method.
Hydroxyapatite nanocrystals were synthesized by wet chemical precipitation using bio-waste shells of mollusk (clam and mussel) and egg as feedstock materials. The powdered shells were calcined, dissolved in water, and the resulting product was reacted with phosphoric acid. X-ray diffraction analysis identified pure phase of hydroxyapatite for the three different raw materials. Transmission electron microscopy observations of hydroxyapatite indicated that rod-like crystals were produced in nanometric scale, which showed pH-dependent surface charges using zeta potential analysis. Overall, this study proved that calcium-rich bio-wastes are valuable materials to be used as feedstock for production of high purity and economically feasible hydroxyapatite nanocrystals for biomedical and technological applications.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2018.07.077</doi><tpages>5</tpages></addata></record> |
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| ispartof | Materials letters, 2018-11, Vol.230, p.64-68 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Biomedical materials Calcium Chemical precipitation Chemical synthesis Clam shells Diffraction Eggshells Hydroxyapatite Materials science Mussel shells Nanocrystals Organic chemistry Phosphoric acid Raw materials Shells Transmission electron microscopy X-ray diffraction Zeta potential |
| title | Hydroxyapatite nanocrystals synthesized from calcium rich bio-wastes |
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