Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Marcelo Campos-Vallette"'
Autor:
Carlos Rúa, Marcela Sepúlveda, Sebastián Gutiérrez, José J. Cárcamo-Vega, Julio Surco-Luque, Marcelo Campos-Vallette, Fernando Guzmán, Paola Conti, Magdalena Pereira
Publikováno v:
Conservation Science in Cultural Heritage, Vol 17, Iss 1, Pp 117-137 (2018)
Micro-Raman spectroscopy was used to analyze and identify pigments and determine the palette of color in wall paintings from four churches of the Colonial Period, in the Bolivian highlands. The ancient churches Santiago de Callapa, Curahuara de Caran
Externí odkaz:
https://doaj.org/article/ae3e32f384b14108b25c4c8016ebf6be
Autor:
Ariel Meneses-Franco, Marcelo Campos-Vallette, Sergio Octavio Vásquez, Eduardo A. Soto-Bustamante
Publikováno v:
Materials, Vol 11, Iss 10, p 1950 (2018)
Photoluminescent mechanisms in erbium-doped barium titanate nanoparticle systems were studied. Er3+ ions were introduced into the BaTiO3 lattice by the sol-gel method. The resulting Er3+ concentration was between 0% and 5%, with Ba/Ti ratios of 1.008
Externí odkaz:
https://doaj.org/article/554be4ed48ad44938321ecf2733c137f
Publikováno v:
Semina: Ciências Exatas e Tecnológicas, Vol 4, Iss 14 (2004)
Thermodynamic constants (Cv> Cp and itf) and physical properties a, fis and v) of the n-CnF2n+2 compounds with n=4 to 8 were evaluted and estimated from correlations. The values are compared with those obtained for the corresponding molecules in the
Externí odkaz:
https://doaj.org/article/7f54d972795f437a855fe0f9d6632022
Publikováno v:
Semina: Ciências Sociais e Humanas, Vol 4, Iss 14, Pp 405-409 (1983)
Thermodynamic constants (Cv> Cp and itf) and physical properties a, fis and v) of the n-CnF2n+2 compounds with n=4 to 8 were evaluted and estimated from correlations. The values are compared with those obtained for the corresponding molecules in the
Externí odkaz:
https://doaj.org/article/3a9a51fbb63c45ab9bfeef0cf0689c85
Autor:
Elizabeth Imbarack, Juan Pablo Soto, Rodrigo Sánchez-González, Marcelo Campos-Vallette, Patricio Leyton, Constanza Suazo, Santiago Sánchez-Cortés
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
instname
12 pags., 9 figs., 1 tab.
In this work, the adsorption and orientation on gold nanoparticles (AuNps) of a new family of cruciform systems consisting of thiophene rings and imino groups were studied. The structural modification and its influence
In this work, the adsorption and orientation on gold nanoparticles (AuNps) of a new family of cruciform systems consisting of thiophene rings and imino groups were studied. The structural modification and its influence
Autor:
A. Korpisaari, Marcelo Campos-Vallette, Juan Chacama, Nelson Lara, Juan Pablo Ogalde, Bernardo Arriaza, Patricio Leyton, C. Riera‐Soto, C. Paipa
Publikováno v:
Archaeometry. 63:53-67
The chemical and mineralogical characterization of seven ceramic fragments produced within Tiwanaku state (c.500-1000 ce) is reported. The instrumental techniques used included X-ray elemental and mineralogical chemical analysis, Raman spectroscopy,
Publikováno v:
Journal of the Chilean Chemical Society. 64:4622-4626
Colors of a collection set of postage stamps dated 1923 and corresponding to the hyperinflationary period of the German economy were identifiedwith Raman and X-ray fluorescence (XRF) spectroscopies. Molecular systems associated to the blue, green and
Autor:
Juan Pablo Soto, Patricio Leyton, Viviana Silva, Constanza Suazo, Elizabeth Imbarack, Santiago Sánchez-Cortés, Rodrigo Sánchez-González, Marcelo Campos-Vallette
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
instname
7 pags., 5 figs., 1 tab.
In this work, was studied the adsorption and orientation of three dipyridinic derivatives 9,10-bis-((E)-2-(pyridin-4-yl)vinyl)anthracene (DPAC), 1,4-bis-((E)-2-(pyridin-4-yl)vinyl)naphthalene (DPNA-T) and 2,6-bis-((E)-2-
In this work, was studied the adsorption and orientation of three dipyridinic derivatives 9,10-bis-((E)-2-(pyridin-4-yl)vinyl)anthracene (DPAC), 1,4-bis-((E)-2-(pyridin-4-yl)vinyl)naphthalene (DPNA-T) and 2,6-bis-((E)-2-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ccc9f6a39ff358f2672e0041a83eb61d
http://hdl.handle.net/10261/280081
http://hdl.handle.net/10261/280081
Publikováno v:
Shock Waves. 30:201-214
Shock waves are used to treat musculoskeletal injuries and trigger the body’s mechanisms to initiate healing; however, the cellular and molecular working mechanisms are not fully known. Raman spectroscopy may be a useful tool to provide information
Autor:
Camilo Segura, Juan S. Gómez-Jeria, Santiago Sánchez-Cortés, Freddy Celis, Marcelo Campos-Vallette
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
instname
Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
Scientific Reports
instname
Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
Scientific Reports
11 pags., 5 figs.
SERS spectroscopy is successfully employed in this work to reveal different components integrating the cochineal colorant employed for dying archaeological textile samples from the Arica Region in North Chile. This analysis was
SERS spectroscopy is successfully employed in this work to reveal different components integrating the cochineal colorant employed for dying archaeological textile samples from the Arica Region in North Chile. This analysis was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90d7501611df108973ef3585663a8f2b
http://hdl.handle.net/10261/259388
http://hdl.handle.net/10261/259388