Search Results - "Villalobos, Ana"

A new methodology for source apportionment of gaseous industrial emissions by Jorquera, Héctor, Villalobos, Ana María

“…Air quality modeling (AQM) is often used to investigate gaseous pollution around industrial zones. However, this methodology requires accurate emission…”
Get full text

Temporal evolution of main ambient PM2.5 sources in Santiago, Chile, from 1998 to 2012 by Barraza, Francisco, Lambert, Fabrice, Jorquera, Héctor, Villalobos, Ana María, Gallardo, Laura

“…The inhabitants of Santiago, Chile have been exposed to harmful levels of air pollutants for decades. The city's poor air quality is a result of steady…”
Get full text

Combining Cluster Analysis of Air Pollution and Meteorological Data with Receptor Model Results for Ambient PM2.5 and PM10 by Jorquera, Héctor, Villalobos, Ana María

“…Air pollution regulation requires knowing major sources on any given zone, setting specific controls, and assessing how health risks evolve in response to…”
Get full text

Chemical speciation and source apportionment of fine particulate matter in Santiago, Chile, 2013 by Villalobos, Ana M, Barraza, Francisco, Jorquera, Héctor, Schauer, James J

“…Santiago is one of the largest cities in South America and has experienced high fine particulate matter (PM2.5) concentrations in fall and winter months for…”
Get full text

Local and NON-LOCAL source apportionment of black carbon and combustion generated PM2.5 by Rodríguez, Jessika, Villalobos, Ana María, Castro-Molinare, Julio, Jorquera, Héctor

“…Current methods for measuring black carbon aerosol (BC) by optical methods apportion BC to fossil fuel and wood combustion. However, these results are…”
Get full text

Wood burning pollution in southern Chile: PM2.5 source apportionment using CMB and molecular markers by Villalobos, Ana M., Barraza, Francisco, Jorquera, Héctor, Schauer, James J.

“…Temuco is a mid-size city representative of severe wood smoke pollution in southern Chile; i.e., ambient 24-h PM2.5 concentrations have exceeded 150 μg/m3 in…”
Get full text

Spatiotemporal Analysis of Black Carbon Sources: Case of Santiago, Chile, under SARS-CoV-2 Lockdowns by Adasme, Carla, Villalobos, Ana María, Jorquera, Héctor

“…The SARS-CoV-2 pandemic has temporarily decreased black carbon emissions worldwide. The use of multi-wavelength aethalometers provides a quantitative…”
Get full text

Effectiveness of a multicomponent intervention to reduce social isolation and loneliness in community‐dwelling elders: A randomized clinical trial. Study protocol by Hernández‐Ascanio, José, Pérula‐de Torres, Luis Ángel, Roldán‐Villalobos, Ana, Pérula‐de Torres, José Carlos, Rich‐Ruiz, Manuel

“…Aims This study aims to evaluate the effectiveness of a multicomponent intervention in non‐institutionalized older people. This effectiveness will be assessed…”
Get full text

Seasonality of feral horse grazing and invasion of Pinus halepensis in grasslands of the Austral Pampean Mountains (Argentina): management considerations by de Villalobos, Ana E., Schwerdt, Leonela

“…The introduction of domestic ungulates has altered the natural grazing regime, promoting the invasion of exotic woody plants being seasonality or stoking…”
Get full text

Feral Horses and Alien Plants: Effects on the Structure and Function of the Pampean Mountain Grasslands (Argentina) by Villalobos, Ana E. de, Schwerdt, Leonela

“…Disturbances can affect the biotic resistance of plant communities and alterations could take place in the system, such as the appearance or increase in…”
Get full text

Knowledge, attitudes and preventive practices of primary health care professionals towards alcohol use: A national, cross-sectional study by Romero-Rodríguez, Esperanza, Pérula de Torres, Luis Ángel, Leiva-Cepas, Fernando, Fernández García, José Ángel, Fernández López, Sara, Martín-Rabadán Muro, María, Camarelles Guillem, Francisco, Roldán Villalobos, Ana

“…Primary care (PC) professionals' knowledge about alcohol use has been identified as one of the barriers PC providers face in their clinic. Both PC…”
Get full text

Factors that affect the occupancy, activity and distribution patterns of Grammostola vachoni, an endemic tarantula from the austral mountains of Argentina by Schwerdt, Leonela, de Villalobos, Ana Elena, Pérez-Miles, Fernando

“…Activity and occupancy dynamics of spiders are topics that have received little attention and are compounded by anecdotal field data, especially in…”
Get full text

Training health providers to address unhealthy alcohol use in primary care: a cross-sectional, multicenter study by Romero-Rodríguez, Esperanza, Pérula de Torres, Luis Ángel, Ruiz Moral, Roger, Fernández García, José Ángel, Parras Rejano, Juan Manuel, Roldán Villalobos, Ana, Camarelles Guillem, Francisco

“…Health professionals' training is a key element to address unhealthy alcohol use in Primary Care (PC). Education about alcohol use can be effective in…”
Get full text

Wastewater Discharge and Reuse Regulation in Costa Rica: An Opportunity for Improvement by Herrera-Murillo, Jorge, Mora-Campos, Diana, Salas-Jimenez, Pablo, Hidalgo-Gutierrez, María, Soto-Murillo, Tomás, Vargas-Calderon, Josel, Villalobos-Villalobos, Ana, Androvetto-Villalobos, Eugenio

“…A database was built with the results of the physicochemical analysis of 23,435 samples of wastewater discharges obtained from the operational reports…”
Get full text

Wood burning pollution in Chile: A tale of two mid-size cities by Jorquera, Héctor, Villalobos, Ana María, Schauer, James J.

“…Cities in southern Chile are facing high levels of PM2.5 because of wood burning pollution. We quantify the contribution of wood smoke to fine particles in two…”
Get full text

Ambient PM10 impacts brought by the extreme flooding event of March 24–26, 2015, in Copiapó, Chile by Jorquera, Héctor, Villalobos, Ana María, Barraza, Francisco

“…On March 24–26, 2015, the Chilean city of Copiapó (27° 22′ S, 70° 20′ W), located in the hyperarid Atacama Desert, suffered an intense flooding brought by an…”
Get full text

Wood burning pollution in southern Chile: PM 2.5 source apportionment using CMB and molecular markers by Villalobos, Ana M, Barraza, Francisco, Jorquera, Héctor, Schauer, James J

“…Temuco is a mid-size city representative of severe wood smoke pollution in southern Chile; i.e., ambient 24-h PM concentrations have exceeded 150 μg/m in the…”
Get full text

Impact of CPAP therapy on health-related quality of life in elderly patients with apnoea-hypopnea syndrome: a systematic review of randomised clinical trials by Serrano Merino, Jesús, Pérula de Torres, Luis A, Muñoz Gómez, Rafaela, Roldán Villalobos, Ana, Feu Collado, M Nuria, Ruiz-Moral, Roger, Jurado-Gámez, Bernabe

“…Obstructive sleep apnoea (OSA) is a chronic pathology characterised by the presence of repetitive upper airway obstruction during the sleep, the prevalence of…”
Get full text

Potential of Chilean Native Corn (Zea mays L.) Accessions as Natural Sources of Phenolic Antioxidants and in Vitro Bioactivity for Hyperglycemia and Hypertension Management by González-Muñoz, Adrian, Quesille-Villalobos, Ana Maria, Fuentealba, Claudia, Shetty, Kalidas, Gálvez Ranilla, Lena

“…Thirty-three Chilean corn accessions were screened for the first time regarding their phenolic profiles, total phenolic contents (TPC), antioxidant capacity…”
Get full text

Effectiveness of motivational interviewing to improve therapeutic adherence in patients over 65 years old with chronic diseases: A cluster randomized clinical trial in primary care by Moral, Roger Ruiz, Torres, Luis Angel Pérula de, Ortega, Laura Pulido, Larumbe, Margarita Criado, Villalobos, Ana Roldán, García, Jose Angel Fernández, Rejano, Juan Manuel Parras

“…Highlights • The most common intervention used by doctors is to prescribe drugs. • Related to this is the problem of poor medication adherence. • Motivational…”
Get full text