Preliminary studies of elemental spatial redistribution in breast tumors
Ponencia presentada en la XXIII Reunião Anual de Usuários do LNLS/CNPEM. Campinas, Brasil, 26 al 27 de febrero de 2013.
Guardado en:
| Autores principales: | , , , , , |
|---|---|
| Formato: | conferenceObject |
| Lenguaje: | Inglés |
| Publicado: |
2020
|
| Materias: | |
| Acceso en línea: | http://hdl.handle.net/11086/16249 |
| Aporte de: |
| id |
I10-R141-11086-16249 |
|---|---|
| record_format |
dspace |
| spelling |
I10-R141-11086-162492023-08-30T12:59:21Z Preliminary studies of elemental spatial redistribution in breast tumors Sosa, Carlos Manuel Sbarato, Viviana María Pérez, Carlos Alberto Bongiovanni, Guillermina Azucena Sánchez, Héctor Jorge Pérez, Roberto Daniel Tumor Mama FRX Ponencia presentada en la XXIII Reunião Anual de Usuários do LNLS/CNPEM. Campinas, Brasil, 26 al 27 de febrero de 2013. Fil: Sosa, Carlos Manuel. Universidad Nacional de Córdoba; Argentina. Fil: Sbarato, Viviana María. Universidad Nacional de Córdoba. Facultad de Ciencias Agropecuarias; Argentina. Fil: Pérez, Carlos Alberto. Laboratório Nacional de Luz Síncrotron; Brasil. Fil: Bongiovanni, Guillermina Azucena.Consejo Nacional de Investigaciones Cientificas y Técnicas; Argentina. Fil: Sánchez, Héctor Jorge. Universidad Nacional de Córdoba; Argentina. Fil: Pérez, Roberto Daniel. Universidad Nacional de Córdoba; Argentina. Synchrotron radiation combined with capillary optics has been used as an optimal x-ray source for microanalysis. It can be used to excite x-ray fluorescence and this approach leads to very low detection limits on micrometric areas on very small samples. Synchrotron microscopic XRF (μ-SRXRF) allows quantitative study of the nature and degree of heterogeneity of inorganic constituents in biological samples. This microbeam method, due to intrinsic characteristics of SR, is able to implement multielemental spectrochemical analysis with spatial resolution on the micrometer scale. It shows high efficiency for element determination and short time of analysis requirements. In the present work, we applied μ-SRXRF to study spatial distribution of elements on normal and cancerous human breast tissue in order to identify possible correlations induced by the desease. Several authors have shown that there is a significant increase of Ca, Cr, Mn, Fe, Cu, Zn and Br in breast tumors compared to normal tissues. Since until now the research were mainly going to macroscopic level, it is interesting to study the spatial distribution of these elements to extend the knowledge to the microscopic scale. In these studies spatial redistribution of trace elements due to biochemical changes in tumors may be observed. Fil: Sosa, Carlos Manuel. Universidad Nacional de Córdoba; Argentina. Fil: Sbarato, Viviana María. Universidad Nacional de Córdoba. Facultad de Ciencias Agropecuarias; Argentina. Fil: Pérez, Carlos Alberto. Laboratório Nacional de Luz Síncrotron; Brasil. Fil: Bongiovanni, Guillermina Azucena.Consejo Nacional de Investigaciones Cientificas y Técnicas; Argentina. Fil: Sánchez, Héctor Jorge. Universidad Nacional de Córdoba; Argentina. Fil: Pérez, Roberto Daniel. Universidad Nacional de Córdoba; Argentina. 2020-09-19T00:43:45Z 2020-09-19T00:43:45Z 2013 conferenceObject http://hdl.handle.net/11086/16249 eng Attribution-NonCommercial-NoDerivatives 4.0 Internacional http://creativecommons.org/licenses/by-nc-nd/4.0/ |
| institution |
Universidad Nacional de Córdoba |
| institution_str |
I-10 |
| repository_str |
R-141 |
| collection |
Repositorio Digital Universitario (UNC) |
| language |
Inglés |
| topic |
Tumor Mama FRX |
| spellingShingle |
Tumor Mama FRX Sosa, Carlos Manuel Sbarato, Viviana María Pérez, Carlos Alberto Bongiovanni, Guillermina Azucena Sánchez, Héctor Jorge Pérez, Roberto Daniel Preliminary studies of elemental spatial redistribution in breast tumors |
| topic_facet |
Tumor Mama FRX |
| description |
Ponencia presentada en la XXIII Reunião Anual de Usuários do LNLS/CNPEM. Campinas, Brasil, 26 al 27 de febrero de 2013. |
| format |
conferenceObject |
| author |
Sosa, Carlos Manuel Sbarato, Viviana María Pérez, Carlos Alberto Bongiovanni, Guillermina Azucena Sánchez, Héctor Jorge Pérez, Roberto Daniel |
| author_facet |
Sosa, Carlos Manuel Sbarato, Viviana María Pérez, Carlos Alberto Bongiovanni, Guillermina Azucena Sánchez, Héctor Jorge Pérez, Roberto Daniel |
| author_sort |
Sosa, Carlos Manuel |
| title |
Preliminary studies of elemental spatial redistribution in breast tumors |
| title_short |
Preliminary studies of elemental spatial redistribution in breast tumors |
| title_full |
Preliminary studies of elemental spatial redistribution in breast tumors |
| title_fullStr |
Preliminary studies of elemental spatial redistribution in breast tumors |
| title_full_unstemmed |
Preliminary studies of elemental spatial redistribution in breast tumors |
| title_sort |
preliminary studies of elemental spatial redistribution in breast tumors |
| publishDate |
2020 |
| url |
http://hdl.handle.net/11086/16249 |
| work_keys_str_mv |
AT sosacarlosmanuel preliminarystudiesofelementalspatialredistributioninbreasttumors AT sbaratovivianamaria preliminarystudiesofelementalspatialredistributioninbreasttumors AT perezcarlosalberto preliminarystudiesofelementalspatialredistributioninbreasttumors AT bongiovanniguillerminaazucena preliminarystudiesofelementalspatialredistributioninbreasttumors AT sanchezhectorjorge preliminarystudiesofelementalspatialredistributioninbreasttumors AT perezrobertodaniel preliminarystudiesofelementalspatialredistributioninbreasttumors |
| _version_ |
1782014499517104128 |