2020 |
Núñez, A; Manzano, C A; Chi, C Health Outcomes, Utilization, and Equity in Chile: An Evolution from 1990 to 2015 and the Effects of the Last Health Reform Artículo de revista Public Health, 178 (9), pp. 38-48, 2020, ISSN: 0033-3506. Resumen | Enlaces | BibTeX | Etiquetas: access, chile, Concentration curves, Equity in health, Health reform, Nutrition @article{RN60, title = {Health Outcomes, Utilization, and Equity in Chile: An Evolution from 1990 to 2015 and the Effects of the Last Health Reform}, author = {A N\'{u}\~{n}ez and C A Manzano and C Chi}, url = {http://www.sciencedirect.com/science/article/pii/S003335061930277X}, doi = {https://doi.org/10.1016/j.puhe.2019.08.017}, issn = {0033-3506}, year = {2020}, date = {2020-01-01}, journal = {Public Health}, volume = {178}, number = {9}, pages = {38-48}, abstract = {Objective Chile is an attractive case study because of the deep political changes that it underwent over a short period of time: from a universal health service (60s), through a neoliberal reform (70s) and onto a series of legislative reforms (80s\textendash90s). This article aims to explore and assess the evolution of health outcomes, equity, and utilization in Chile through the last period of these reforms (1990\textendash2015). Study design Standardized health equity analysis. Methods We conducted a standardized economic analysis on health equity and healthcare utilization using the ADePT software (by the World Bank) and using data from the Chilean National Socio-economic Survey. We evaluated trends of health equity and examined concentration curves of health utilization of healthcare services and health outcomes such as children/elder/pregnant nutritional status, self-reported health, and physical limitations. Results Health outcomes such as nutritional problems in children and pregnant women were concentrated among the poor, while others such as high-relevance health conditions were similar for poorest and richest households. The concentration indexes for health outcomes suggested that income makes the distribution pro-poor. However, the opposite was true for age, in which the probability of health problems among rich individuals increased with age. The concentration curves for utilization of healthcare services showed that dental visits, laboratory exams, specialty visits, and hospitalizations were concentrated on the richest households, while the use of emergency services and preventive medicine were highly concentrated among poor individuals. Conclusions Although a positive trend in the increase of healthcare service use among income groups was observed, a significant impact of the latest health reform was not observed.}, keywords = {access, chile, Concentration curves, Equity in health, Health reform, Nutrition}, pubstate = {published}, tppubtype = {article} } Objective Chile is an attractive case study because of the deep political changes that it underwent over a short period of time: from a universal health service (60s), through a neoliberal reform (70s) and onto a series of legislative reforms (80s–90s). This article aims to explore and assess the evolution of health outcomes, equity, and utilization in Chile through the last period of these reforms (1990–2015). Study design Standardized health equity analysis. Methods We conducted a standardized economic analysis on health equity and healthcare utilization using the ADePT software (by the World Bank) and using data from the Chilean National Socio-economic Survey. We evaluated trends of health equity and examined concentration curves of health utilization of healthcare services and health outcomes such as children/elder/pregnant nutritional status, self-reported health, and physical limitations. Results Health outcomes such as nutritional problems in children and pregnant women were concentrated among the poor, while others such as high-relevance health conditions were similar for poorest and richest households. The concentration indexes for health outcomes suggested that income makes the distribution pro-poor. However, the opposite was true for age, in which the probability of health problems among rich individuals increased with age. The concentration curves for utilization of healthcare services showed that dental visits, laboratory exams, specialty visits, and hospitalizations were concentrated on the richest households, while the use of emergency services and preventive medicine were highly concentrated among poor individuals. Conclusions Although a positive trend in the increase of healthcare service use among income groups was observed, a significant impact of the latest health reform was not observed. |
2016 |
Simirgiotis, M J; Quispe, C; Borquez, J; Areche, C; Sepulveda, B Molecules, 21 (1), 2016, ISSN: 1420-3049. Resumen | Enlaces | BibTeX | Etiquetas: activity, antioxidant capacity, chile, chilean de esi-ms, flavonoids, fruits, hplc-dad, ms/ms, northern orbitrap parts pascua, pda, pears, pera phenolics, proanthocyanidins, products, uhplc-ms @article{RN289, title = {Fast Detection of Phenolic Compounds in Extracts of Easter Pears (Pyrus Communis) from the Atacama Desert by Ultrahigh-Performance Liquid Chromatography and Mass Spectrometry (Uhplc-Q/Orbitrap/Ms/Ms)}, author = { M.J. Simirgiotis and C. Quispe and J. Borquez and C. Areche and B. Sepulveda}, url = {/brokenurl#<Go to ISI>://WOS:000369486800014}, doi = {10.3390/molecules21010092}, issn = {1420-3049}, year = {2016}, date = {2016-01-01}, journal = {Molecules}, volume = {21}, number = {1}, abstract = {A small Chilean variety of pears growing in the town of Toconao, an oasis located at the northeastern edge of the Salar de Atacama, northern Chile, was studied by means of modern PDA and high resolution mass spectral data (UHPLC-PDA-HESI-orbitrap-MS/MS). In addition, the antioxidant features of the fruits were compared with the varieties Packhman's Triumph and Abate Fetel and correlated with the presence of phenolic compounds. The non-pigmented phenolics were fingerprinted and related to the antioxidant capacities measured by the bleaching of the DPPH radical, the ferric reducing antioxidant power (FRAP), the superoxide anion scavenging activity assay (SA), and total content of phenolics and flavonoids measured by spectroscopic methods. The machine allowed a fast separation of 15 min employing a flow rate of 1 mL per minute and could accurately identify 25 compounds, including several isorhamnetin derivatives and phenolic acids, present in the peel and pulps of this Chilean variety for the first time. The compounds were monitored using a wavelength range of 210-800 nm. The native small Chilean pear showed the highest antioxidant activity measured as the bleaching of the DPPH radical, the ferric reducing antioxidant power and superoxide anion scavenging activity (8.61 +/- 0.65 g/mL, 712.63 +/- 12.12 micromols trolox equivalents (mol/TE)/100 g FW, and 82.89% +/- 2.52% at 100 g/mL, respectively).}, keywords = {activity, antioxidant capacity, chile, chilean de esi-ms, flavonoids, fruits, hplc-dad, ms/ms, northern orbitrap parts pascua, pda, pears, pera phenolics, proanthocyanidins, products, uhplc-ms}, pubstate = {published}, tppubtype = {article} } A small Chilean variety of pears growing in the town of Toconao, an oasis located at the northeastern edge of the Salar de Atacama, northern Chile, was studied by means of modern PDA and high resolution mass spectral data (UHPLC-PDA-HESI-orbitrap-MS/MS). In addition, the antioxidant features of the fruits were compared with the varieties Packhman's Triumph and Abate Fetel and correlated with the presence of phenolic compounds. The non-pigmented phenolics were fingerprinted and related to the antioxidant capacities measured by the bleaching of the DPPH radical, the ferric reducing antioxidant power (FRAP), the superoxide anion scavenging activity assay (SA), and total content of phenolics and flavonoids measured by spectroscopic methods. The machine allowed a fast separation of 15 min employing a flow rate of 1 mL per minute and could accurately identify 25 compounds, including several isorhamnetin derivatives and phenolic acids, present in the peel and pulps of this Chilean variety for the first time. The compounds were monitored using a wavelength range of 210-800 nm. The native small Chilean pear showed the highest antioxidant activity measured as the bleaching of the DPPH radical, the ferric reducing antioxidant power and superoxide anion scavenging activity (8.61 +/- 0.65 g/mL, 712.63 +/- 12.12 micromols trolox equivalents (mol/TE)/100 g FW, and 82.89% +/- 2.52% at 100 g/mL, respectively). |
2014 |
Toro, R; Canales, M; Flocchini, R; Morales, R G E; Leiva, M A Urban Atmospheric Ammonia in Santiago City, Chile Artículo de revista Aerosol and Air Quality Research, 14 (1), pp. 33-44, 2014, ISSN: 1680-8584. Resumen | Enlaces | BibTeX | Etiquetas: air ammonia ammonia, chemistry, chile, emissions, environmental chemistry, gaseous new-york, nh3, nitrogen, particulate passive pm2.5, quality, samplers, santiago, secondary sulfate, uncertainty @article{toro2014urban, title = {Urban Atmospheric Ammonia in Santiago City, Chile}, author = { R. Toro and M. Canales and R. Flocchini and R.G.E. Morales and M.A. Leiva}, url = {/brokenurl#<Go to ISI>://WOS:000331789600004}, doi = {10.4209/aaqr.2012.07.0189}, issn = {1680-8584}, year = {2014}, date = {2014-01-01}, journal = {Aerosol and Air Quality Research}, volume = {14}, number = {1}, pages = {33-44}, abstract = {To improve the current understanding of the ammonia distribution in the major urban area of Chile, measurements of atmospheric NH3 were collected in Santiago during three sampling periods (25 April to 27 May, 11 to 26 June and 27 June to 31 July 2008). Additionally, air quality and meteorological data as well as NH4+, NO3-}, keywords = {air ammonia ammonia, chemistry, chile, emissions, environmental chemistry, gaseous new-york, nh3, nitrogen, particulate passive pm2.5, quality, samplers, santiago, secondary sulfate, uncertainty}, pubstate = {published}, tppubtype = {article} } To improve the current understanding of the ammonia distribution in the major urban area of Chile, measurements of atmospheric NH3 were collected in Santiago during three sampling periods (25 April to 27 May, 11 to 26 June and 27 June to 31 July 2008). Additionally, air quality and meteorological data as well as NH4+, NO3- |
Ogalde, J P; Salas, C O; Lara, N; Leyton, P; Paipa, C; Campos-Vallette, M; Arriaza, B Multi-Instrumental Identification of Orpiment in Archaeological Mortuary Contexts Artículo de revista Journal of the Chilean Chemical Society, 59 (3), pp. 2571-2573, 2014, ISSN: 0717-9707. Resumen | Enlaces | BibTeX | Etiquetas: ceramics, chile, chorrillos, color, glass manuscripts, northern pararealgar, persian pigments, raman raman, realgar, sem-edx, spectra, spectroscopy @article{RN210, title = {Multi-Instrumental Identification of Orpiment in Archaeological Mortuary Contexts}, author = { J.P. Ogalde and C.O. Salas and N. Lara and P. Leyton and C. Paipa and M. Campos-Vallette and B. Arriaza}, url = {/brokenurl#<Go to ISI>://WOS:000347833800010}, doi = {10.4067/S0717-97072014000300010}, issn = {0717-9707}, year = {2014}, date = {2014-01-01}, journal = {Journal of the Chilean Chemical Society}, volume = {59}, number = {3}, pages = {2571-2573}, abstract = {This paper reports on an unknown yellowish mineral compound found in an archaeological context from Chorrillos cemetery (Calama, Chile) dating to the Early Formative period (800 - 200 B.C.). We used optic microscopy, SEM, EDX, H-1-RMN, C-13-RMN, and infrared (IR) and Raman spectroscopy to tease out the chemical and molecular composition of the sample. The microscopic images show amorphous yellowish granulates with heterogeneous chemical surfaces. H-1-RMN and C-13-RMN negative results show that the sample is free of organic matter. The SEM and EDX indicate the presence of arsenic and sulfur in the sample. The IR and Raman analyses suggest the presence of orpiment which is a toxic yellow arsenic sulfide mineral.}, keywords = {ceramics, chile, chorrillos, color, glass manuscripts, northern pararealgar, persian pigments, raman raman, realgar, sem-edx, spectra, spectroscopy}, pubstate = {published}, tppubtype = {article} } This paper reports on an unknown yellowish mineral compound found in an archaeological context from Chorrillos cemetery (Calama, Chile) dating to the Early Formative period (800 - 200 B.C.). We used optic microscopy, SEM, EDX, H-1-RMN, C-13-RMN, and infrared (IR) and Raman spectroscopy to tease out the chemical and molecular composition of the sample. The microscopic images show amorphous yellowish granulates with heterogeneous chemical surfaces. H-1-RMN and C-13-RMN negative results show that the sample is free of organic matter. The SEM and EDX indicate the presence of arsenic and sulfur in the sample. The IR and Raman analyses suggest the presence of orpiment which is a toxic yellow arsenic sulfide mineral. |
Toro, R; Morales, R G E; Canales, M; González-Rojas, C; Leiva, M A Inhaled and Inspired Particulates in Metropolitan Santiago Chile Exceed Air Quality Standards Artículo de revista Building and Environment, 79 , pp. 115-123, 2014, ISSN: 0360-1323. Resumen | Enlaces | BibTeX | Etiquetas: air assessment, chile, long-term matter, megacities, particulate pm2.5, pollution quality, santiago, trend @article{RN218, title = {Inhaled and Inspired Particulates in Metropolitan Santiago Chile Exceed Air Quality Standards}, author = { R. Toro and R.G.E. Morales and M. Canales and C. Gonz\'{a}lez-Rojas and M.A. Leiva}, url = {/brokenurl#<Go to ISI>://WOS:000339696500011}, doi = {10.1016/j.buildenv.2014.05.004}, issn = {0360-1323}, year = {2014}, date = {2014-01-01}, journal = {Building and Environment}, volume = {79}, pages = {115-123}, publisher = {2014 Elsevier Ltd.}, abstract = {The long-term trends and spatial variability of PM2.5 and PMio over the period between 2000 and 2012 in the Santiago Metropolitan Area, Chile are studied. The annual PMio and PM2.5 mass concentration ranged between 76 5 and 52 41.ig [T1-3 and between 32 4 and 24 3, respectively. The large levels of PM observed during the cool season (April September) compared to the warm season (October March) can be explained by meteorological conditions and increased emissions. PM2,5 represents approximately 45% 5% and 60% 10% of PM10 in the warm and cold seasons, respectively. Reductions in PMio and PM2.5 were observed in the ranges of 2.46 to 0.31 and 3.17 to 1.80% yearl, respectively. For the city, the comprehensive air pollution level declined gradually, illustrating that the air quality improved over the last decade. However, the air quality standards were still being exceeded, indicating the need to update and strengthen the policies to control PM pollution.}, keywords = {air assessment, chile, long-term matter, megacities, particulate pm2.5, pollution quality, santiago, trend}, pubstate = {published}, tppubtype = {article} } The long-term trends and spatial variability of PM2.5 and PMio over the period between 2000 and 2012 in the Santiago Metropolitan Area, Chile are studied. The annual PMio and PM2.5 mass concentration ranged between 76 5 and 52 41.ig [T1-3 and between 32 4 and 24 3, respectively. The large levels of PM observed during the cool season (April September) compared to the warm season (October March) can be explained by meteorological conditions and increased emissions. PM2,5 represents approximately 45% 5% and 60% 10% of PM10 in the warm and cold seasons, respectively. Reductions in PMio and PM2.5 were observed in the ranges of 2.46 to 0.31 and 3.17 to 1.80% yearl, respectively. For the city, the comprehensive air pollution level declined gradually, illustrating that the air quality improved over the last decade. However, the air quality standards were still being exceeded, indicating the need to update and strengthen the policies to control PM pollution. |
Brito, A; Areche, C; Sepulveda, B; Kennelly, E J; Simirgiotis, M J Anthocyanin Characterization, Total Phenolic Quantification and Antioxidant Features of Some Chilean Edible Berry Extracts Artículo de revista Molecules, 19 (8), pp. 10936-10955, 2014, ISSN: 1420-3049. Resumen | Enlaces | BibTeX | Etiquetas: activity, antioxidants, arrayan, berberis-microphylla berries, blueberry, calafate, capacity, chequen, chile, cultivars endemic fruits, hplc-ms, inhibitory liquid-chromatography, luma, mass-spectrometry, meli, murtilla, myrtaceae, oxidase poliphenolics, polyphenols, quantitation, southern vegetables @article{RN186, title = {Anthocyanin Characterization, Total Phenolic Quantification and Antioxidant Features of Some Chilean Edible Berry Extracts}, author = { A. Brito and C. Areche and B. Sepulveda and E.J. Kennelly and M.J. Simirgiotis}, url = {/brokenurl#<Go to ISI>://WOS:000341502600014}, doi = {10.3390/molecules190810936}, issn = {1420-3049}, year = {2014}, date = {2014-01-01}, journal = {Molecules}, volume = {19}, number = {8}, pages = {10936-10955}, abstract = {The anthocyanin composition and HPLC fingerprints of six small berries endemic of the VIII region of Chile were investigated using high resolution mass analysis for the first time (HR-ToF-ESI-MS). The antioxidant features of the six endemic species were compared, including a variety of blueberries which is one of the most commercially significant berry crops in Chile. The anthocyanin fingerprints obtained for the fruits were compared and correlated with the antioxidant features measured by the bleaching of the DPPH radical, the ferric reducing antioxidant power (FRAP), the superoxide anion scavenging activity assay (SA), and total content of phenolics, flavonoids and anthocyanins measured by spectroscopic methods. Thirty one anthocyanins were identified, and the major ones were quantified by HPLC-DAD, mostly branched 3-O-glycosides of delphinidin, cyanidin, petunidin, peonidin and malvidin. Three phenolic acids (feruloylquinic acid, chlorogenic acid, and neochlorogenic acid) and five flavonols (hyperoside, isoquercitrin, quercetin, rutin, myricetin and isorhamnetin) were also identified. Calafate fruits showed the highest antioxidant activity (2.33 +/- 0.21 mu g/mL in the DPPH assay), followed by blueberry (3.32 +/- 0.18 mu g/mL), and arrayan (5.88 +/- 0.21), respectively.}, keywords = {activity, antioxidants, arrayan, berberis-microphylla berries, blueberry, calafate, capacity, chequen, chile, cultivars endemic fruits, hplc-ms, inhibitory liquid-chromatography, luma, mass-spectrometry, meli, murtilla, myrtaceae, oxidase poliphenolics, polyphenols, quantitation, southern vegetables}, pubstate = {published}, tppubtype = {article} } The anthocyanin composition and HPLC fingerprints of six small berries endemic of the VIII region of Chile were investigated using high resolution mass analysis for the first time (HR-ToF-ESI-MS). The antioxidant features of the six endemic species were compared, including a variety of blueberries which is one of the most commercially significant berry crops in Chile. The anthocyanin fingerprints obtained for the fruits were compared and correlated with the antioxidant features measured by the bleaching of the DPPH radical, the ferric reducing antioxidant power (FRAP), the superoxide anion scavenging activity assay (SA), and total content of phenolics, flavonoids and anthocyanins measured by spectroscopic methods. Thirty one anthocyanins were identified, and the major ones were quantified by HPLC-DAD, mostly branched 3-O-glycosides of delphinidin, cyanidin, petunidin, peonidin and malvidin. Three phenolic acids (feruloylquinic acid, chlorogenic acid, and neochlorogenic acid) and five flavonols (hyperoside, isoquercitrin, quercetin, rutin, myricetin and isorhamnetin) were also identified. Calafate fruits showed the highest antioxidant activity (2.33 +/- 0.21 mu g/mL in the DPPH assay), followed by blueberry (3.32 +/- 0.18 mu g/mL), and arrayan (5.88 +/- 0.21), respectively. |
2013 |
Sepulveda, M; Gutierrez, S; Campos-Vallette, M; Clavijo, E; Walter, P; Carcamo, J J Raman Spectroscopy and X-Ray Fluorescence in Molecular Analysis of Yellow Blocks from the Archeological Site Playa Miller 7 (Northern Chile) Artículo de revista Journal of the Chilean Chemical Society, 58 (3), pp. 1836-1839, 2013, ISSN: 0717-9707. Resumen | Enlaces | BibTeX | Etiquetas: art, chile, diagnosis, fluorescence, identification, jarosite, micro-raman, northern pigments, raman spectra spectroscopy, x-ray @article{RN152, title = {Raman Spectroscopy and X-Ray Fluorescence in Molecular Analysis of Yellow Blocks from the Archeological Site Playa Miller 7 (Northern Chile)}, author = { M. Sepulveda and S. Gutierrez and M. Campos-Vallette and E. Clavijo and P. Walter and J.J. Carcamo}, url = {/brokenurl#<Go to ISI>://WOS:000331238200008}, doi = {10.4067/S0717-97072013000300008}, issn = {0717-9707}, year = {2013}, date = {2013-01-01}, journal = {Journal of the Chilean Chemical Society}, volume = {58}, number = {3}, pages = {1836-1839}, abstract = {Yellow blocks from the archaeological site Playa Miller 7 (PLM7), on the coast of Atacama Desert in northern Chile, were analyzed by Raman spectroscopy and X-ray fluorescence (XRF) portable. Our results identify for the first time the use of K-jarosite and natrojarosite in prehispanic times (approx. 2500 year BP). In search of a possible source of supply for this mineral hydrothermal origin, our surveys were focused on Andean geothermal areas with identification, so far, from a single source in the region of Arica and Parinacota: Jurasi (JU), located at 4000 mamsl. Comparison of the Raman spectra between samples archaeological and Jurasi, allow us to infer that this hydrothermal source could be used as obtaining source of yellow pigment by prehispanic inhabitant of Formative period (3700-1500 years B.P.).}, keywords = {art, chile, diagnosis, fluorescence, identification, jarosite, micro-raman, northern pigments, raman spectra spectroscopy, x-ray}, pubstate = {published}, tppubtype = {article} } Yellow blocks from the archaeological site Playa Miller 7 (PLM7), on the coast of Atacama Desert in northern Chile, were analyzed by Raman spectroscopy and X-ray fluorescence (XRF) portable. Our results identify for the first time the use of K-jarosite and natrojarosite in prehispanic times (approx. 2500 year BP). In search of a possible source of supply for this mineral hydrothermal origin, our surveys were focused on Andean geothermal areas with identification, so far, from a single source in the region of Arica and Parinacota: Jurasi (JU), located at 4000 mamsl. Comparison of the Raman spectra between samples archaeological and Jurasi, allow us to infer that this hydrothermal source could be used as obtaining source of yellow pigment by prehispanic inhabitant of Formative period (3700-1500 years B.P.). |
Seguel, R J; Mancilla, C; Rondanelli, R; Leiva, M A; Morales, R G E Ozone Distribution in the Lower Troposphere over Complex Terrain in Central Chile Artículo de revista Journal of Geophysical Research-Atmospheres, 118 (7), pp. 2966-2980, 2013, ISSN: 2169-897x. Resumen | Enlaces | BibTeX | Etiquetas: boundary-layer, california, chemistry, chile, environmental chemistry, evolution, hydrocarbons, layer, metropolitan-area, model organic-compounds, ozone, ozonesondes, photochemical planetary residual santiago, smog, volatile @article{RN160, title = {Ozone Distribution in the Lower Troposphere over Complex Terrain in Central Chile}, author = { R.J. Seguel and C. Mancilla and R. Rondanelli and M.A. Leiva and R.G.E. Morales}, url = {/brokenurl#<Go to ISI>://WOS:000319618300021}, doi = {10.1002/jgrd.50293}, issn = {2169-897x}, year = {2013}, date = {2013-01-01}, journal = {Journal of Geophysical Research-Atmospheres}, volume = {118}, number = {7}, pages = {2966-2980}, abstract = {Observations were performed in 12 communities of Central Chile in order to determine the horizontal gradients of ozone in the Santiago Basin and surrounding valleys. Higher ozone mixing ratios were found northeast of the Santiago Basin and included east of the Aconcagua Valley (similar to 70km from Santiago) suggesting that photochemical pollution produced in Santiago is capable of passing through the Chacabuco mountain chain (similar to 1.3km) and have impact downwind from the regions with the largest NOx and VOC emissions. To complement existing surface observations, ozonesonde and tethersonde campaigns were performed in the Santiago Basin and the Aconcagua Valley. The results suggest ozone can accumulate in layers aloft (e.g., >102ppb at 2km) similarly to layers observed in complex topography coastal regions like Southern California. Layers of significant ozone concentrations having a near surface origin were observed above the mixed layer and below the subsidence inversion base. We propose that the ozone in this residual layer can be transported large distances (at least to 70km) to further penetrate into the local environment under conditions of a well-mixed boundary layer.}, keywords = {boundary-layer, california, chemistry, chile, environmental chemistry, evolution, hydrocarbons, layer, metropolitan-area, model organic-compounds, ozone, ozonesondes, photochemical planetary residual santiago, smog, volatile}, pubstate = {published}, tppubtype = {article} } Observations were performed in 12 communities of Central Chile in order to determine the horizontal gradients of ozone in the Santiago Basin and surrounding valleys. Higher ozone mixing ratios were found northeast of the Santiago Basin and included east of the Aconcagua Valley (similar to 70km from Santiago) suggesting that photochemical pollution produced in Santiago is capable of passing through the Chacabuco mountain chain (similar to 1.3km) and have impact downwind from the regions with the largest NOx and VOC emissions. To complement existing surface observations, ozonesonde and tethersonde campaigns were performed in the Santiago Basin and the Aconcagua Valley. The results suggest ozone can accumulate in layers aloft (e.g., >102ppb at 2km) similarly to layers observed in complex topography coastal regions like Southern California. Layers of significant ozone concentrations having a near surface origin were observed above the mixed layer and below the subsidence inversion base. We propose that the ozone in this residual layer can be transported large distances (at least to 70km) to further penetrate into the local environment under conditions of a well-mixed boundary layer. |
2020 |
Health Outcomes, Utilization, and Equity in Chile: An Evolution from 1990 to 2015 and the Effects of the Last Health Reform Artículo de revista Public Health, 178 (9), pp. 38-48, 2020, ISSN: 0033-3506. |
2016 |
Molecules, 21 (1), 2016, ISSN: 1420-3049. |
2014 |
Urban Atmospheric Ammonia in Santiago City, Chile Artículo de revista Aerosol and Air Quality Research, 14 (1), pp. 33-44, 2014, ISSN: 1680-8584. |
Multi-Instrumental Identification of Orpiment in Archaeological Mortuary Contexts Artículo de revista Journal of the Chilean Chemical Society, 59 (3), pp. 2571-2573, 2014, ISSN: 0717-9707. |
Inhaled and Inspired Particulates in Metropolitan Santiago Chile Exceed Air Quality Standards Artículo de revista Building and Environment, 79 , pp. 115-123, 2014, ISSN: 0360-1323. |
Anthocyanin Characterization, Total Phenolic Quantification and Antioxidant Features of Some Chilean Edible Berry Extracts Artículo de revista Molecules, 19 (8), pp. 10936-10955, 2014, ISSN: 1420-3049. |
2013 |
Raman Spectroscopy and X-Ray Fluorescence in Molecular Analysis of Yellow Blocks from the Archeological Site Playa Miller 7 (Northern Chile) Artículo de revista Journal of the Chilean Chemical Society, 58 (3), pp. 1836-1839, 2013, ISSN: 0717-9707. |
Ozone Distribution in the Lower Troposphere over Complex Terrain in Central Chile Artículo de revista Journal of Geophysical Research-Atmospheres, 118 (7), pp. 2966-2980, 2013, ISSN: 2169-897x. |