The influence of Ni(II) on brushite structure stabilization
- Autores
- Guerra López, J. R.; Güida, Jorge Alberto; Ramos, M. A.; Punte, Graciela María del Carmen
- Año de publicación
- 2017
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Brushite samples doped with Ni(II) in different concentrations, from 5% to 20%, were prepared in aqueous solution at pH = 7 and at two temperatures: 25 and 37 °C. The solid samples were characterized by chemical analysis, infrared spectroscopy (FTIR) and x-ray powder diffraction (XRPD). Chemical analysis has shown Ni(II) almost complete incorporation to the solid phase up to 15%. X-ray diffraction patterns have allowed to identify brushite phase with almost no modification of the line breadth and only small shifts of lines positions with increasing Ni(II) incorporation up to 15%. For larger Ni(II) concentration, in solution, a mixture of phases has been detected. Infrared spectra have supported diffraction results. For Ni(II) 20% and over the characteristic bands of HPO2-4 anions tend to vanish, and the typical shaped PO3=4 bands are observed. These results have allowed to establish that the presence of low levels of Ni in the synthetic process not only helps brushite formation; but, also prevents brushite from apatite conversion and, in addition, preserves brushite crystallinity. According to these findings, it is possible to propose that nickel traces present in the urinary system might be a trigger to brushite stone formation and/or growth, rather than the expected brushite conversion to hydroxyapatite. This outcome would explain the recurrent detection of difficult to treat brushite stones, observed in the last three decades.
Centro de Química Inorgánica
Instituto de Física La Plata - Materia
-
Ciencias Exactas
Powder X-ray diffraction
Brushite
Urinary calculi
Calcium phosphate
Infrared spectroscopy - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-sa/4.0/
- Repositorio
.jpg)
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/103924
Ver los metadatos del registro completo
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The influence of Ni(II) on brushite structure stabilizationGuerra López, J. R.Güida, Jorge AlbertoRamos, M. A.Punte, Graciela María del CarmenCiencias ExactasPowder X-ray diffractionBrushiteUrinary calculiCalcium phosphateInfrared spectroscopyBrushite samples doped with Ni(II) in different concentrations, from 5% to 20%, were prepared in aqueous solution at pH = 7 and at two temperatures: 25 and 37 °C. The solid samples were characterized by chemical analysis, infrared spectroscopy (FTIR) and x-ray powder diffraction (XRPD). Chemical analysis has shown Ni(II) almost complete incorporation to the solid phase up to 15%. X-ray diffraction patterns have allowed to identify brushite phase with almost no modification of the line breadth and only small shifts of lines positions with increasing Ni(II) incorporation up to 15%. For larger Ni(II) concentration, in solution, a mixture of phases has been detected. Infrared spectra have supported diffraction results. For Ni(II) 20% and over the characteristic bands of HPO<sup>2-</sup><sub>4</sub> anions tend to vanish, and the typical shaped PO<sup>3=</sup><sub>4</sub> bands are observed. These results have allowed to establish that the presence of low levels of Ni in the synthetic process not only helps brushite formation; but, also prevents brushite from apatite conversion and, in addition, preserves brushite crystallinity. According to these findings, it is possible to propose that nickel traces present in the urinary system might be a trigger to brushite stone formation and/or growth, rather than the expected brushite conversion to hydroxyapatite. This outcome would explain the recurrent detection of difficult to treat brushite stones, observed in the last three decades.Centro de Química InorgánicaInstituto de Física La Plata2017-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf720-724http://sedici.unlp.edu.ar/handle/10915/103924enginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/abs/pii/S0022286017302351?via%3Dihubinfo:eu-repo/semantics/altIdentifier/issn/0022-2860info:eu-repo/semantics/altIdentifier/doi/10.1016/j.molstruc.2017.02.076info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2026-06-23T10:45:12Zoai:sedici.unlp.edu.ar:10915/103924Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292026-06-23 10:45:13.117SEDICI (UNLP) - Universidad Nacional de La Platafalse |
| dc.title.none.fl_str_mv |
The influence of Ni(II) on brushite structure stabilization |
| title |
The influence of Ni(II) on brushite structure stabilization |
| spellingShingle |
The influence of Ni(II) on brushite structure stabilization Guerra López, J. R. Ciencias Exactas Powder X-ray diffraction Brushite Urinary calculi Calcium phosphate Infrared spectroscopy |
| title_short |
The influence of Ni(II) on brushite structure stabilization |
| title_full |
The influence of Ni(II) on brushite structure stabilization |
| title_fullStr |
The influence of Ni(II) on brushite structure stabilization |
| title_full_unstemmed |
The influence of Ni(II) on brushite structure stabilization |
| title_sort |
The influence of Ni(II) on brushite structure stabilization |
| dc.creator.none.fl_str_mv |
Guerra López, J. R. Güida, Jorge Alberto Ramos, M. A. Punte, Graciela María del Carmen |
| author |
Guerra López, J. R. |
| author_facet |
Guerra López, J. R. Güida, Jorge Alberto Ramos, M. A. Punte, Graciela María del Carmen |
| author_role |
author |
| author2 |
Güida, Jorge Alberto Ramos, M. A. Punte, Graciela María del Carmen |
| author2_role |
author author author |
| dc.subject.none.fl_str_mv |
Ciencias Exactas Powder X-ray diffraction Brushite Urinary calculi Calcium phosphate Infrared spectroscopy |
| topic |
Ciencias Exactas Powder X-ray diffraction Brushite Urinary calculi Calcium phosphate Infrared spectroscopy |
| dc.description.none.fl_txt_mv |
Brushite samples doped with Ni(II) in different concentrations, from 5% to 20%, were prepared in aqueous solution at pH = 7 and at two temperatures: 25 and 37 °C. The solid samples were characterized by chemical analysis, infrared spectroscopy (FTIR) and x-ray powder diffraction (XRPD). Chemical analysis has shown Ni(II) almost complete incorporation to the solid phase up to 15%. X-ray diffraction patterns have allowed to identify brushite phase with almost no modification of the line breadth and only small shifts of lines positions with increasing Ni(II) incorporation up to 15%. For larger Ni(II) concentration, in solution, a mixture of phases has been detected. Infrared spectra have supported diffraction results. For Ni(II) 20% and over the characteristic bands of HPO<sup>2-</sup><sub>4</sub> anions tend to vanish, and the typical shaped PO<sup>3=</sup><sub>4</sub> bands are observed. These results have allowed to establish that the presence of low levels of Ni in the synthetic process not only helps brushite formation; but, also prevents brushite from apatite conversion and, in addition, preserves brushite crystallinity. According to these findings, it is possible to propose that nickel traces present in the urinary system might be a trigger to brushite stone formation and/or growth, rather than the expected brushite conversion to hydroxyapatite. This outcome would explain the recurrent detection of difficult to treat brushite stones, observed in the last three decades. Centro de Química Inorgánica Instituto de Física La Plata |
| description |
Brushite samples doped with Ni(II) in different concentrations, from 5% to 20%, were prepared in aqueous solution at pH = 7 and at two temperatures: 25 and 37 °C. The solid samples were characterized by chemical analysis, infrared spectroscopy (FTIR) and x-ray powder diffraction (XRPD). Chemical analysis has shown Ni(II) almost complete incorporation to the solid phase up to 15%. X-ray diffraction patterns have allowed to identify brushite phase with almost no modification of the line breadth and only small shifts of lines positions with increasing Ni(II) incorporation up to 15%. For larger Ni(II) concentration, in solution, a mixture of phases has been detected. Infrared spectra have supported diffraction results. For Ni(II) 20% and over the characteristic bands of HPO<sup>2-</sup><sub>4</sub> anions tend to vanish, and the typical shaped PO<sup>3=</sup><sub>4</sub> bands are observed. These results have allowed to establish that the presence of low levels of Ni in the synthetic process not only helps brushite formation; but, also prevents brushite from apatite conversion and, in addition, preserves brushite crystallinity. According to these findings, it is possible to propose that nickel traces present in the urinary system might be a trigger to brushite stone formation and/or growth, rather than the expected brushite conversion to hydroxyapatite. This outcome would explain the recurrent detection of difficult to treat brushite stones, observed in the last three decades. |
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2017 |
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2017-02 |
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eng |
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