Results 41 to 50 of about 5,557 (175)

Validation and Application of an HPLC–UV Method for the Quantification of 3‐O‐Methylquercetin in Nasal Mucosa

open access: yesELECTROPHORESIS, Volume 47, Issue 6, Page 479-488, June 2026.
This study improved an HPLC–UV method for quantifying 3‐O‐methylquercetin in porcine nasal mucosa following ICH M10 and ANVISA (Brazil) guidelines, assessing selectivity, linearity, accuracy, precision, and robustness. The method was applied for the first time to evaluate release, permeation, and retention profiles of a nasal formulation.
Jeniffer Viviana Ramirez Hernández   +6 more
wiley   +1 more source

Ciudadanía digital, activismo docente y formación de futuras maestras de educación infantil

open access: yesRevista Latinoamericana de Tecnología Educativa, 2016
En este texto relacionamos la vigilancia y el control en la sociedad contemporánea con ciudadanía digital y el activismo docente. Presentaremos una experiencia de aprendizaje basada en el proyecto artístico Confessions de la artística británica Gillian ...
José Miguel Correa-Gorospe   +2 more
doaj   +1 more source

Research Trends on Trace Element Contamination in Brazilian Urban Lentic Ecosystems: Environmental and Policy Drivers

open access: yesInternational Review of Hydrobiology, Volume 111, Issue 1, June 2026.
ABSTRACT Lentic ecosystems are vulnerable to contamination by trace elements, which can accumulate and pose risks to aquatic life and human health. In a large, developing country such as Brazil, marked by vast geographic, environmental, and socioeconomic diversity, it is crucial to understand how these factors shape research on this group of ...
Maria C. F. Neuenschwander   +4 more
wiley   +1 more source

Iniciativas ciudadanas de control y vigilancia política

open access: yesPraxis Sociológica, 2016
La clase política española es una de las principales preocupaciones de los ciudadanos, según arrojan los barómetros del Centro de Investigaciones Sociológicas (CIS). La desafección política, la corrupción y la desconfi anza en las instituciones inciden no sólo en el descontento ciudadano sino en la crisis de representación y la pérdida de legitimidad ...
openaire   +1 more source

“Humanizar”: aprendizajes sobre alteridad, salud y futuro en una experiencia de investigación compartida

open access: yesThe Journal of Latin American and Caribbean Anthropology, Volume 31, Issue 2, June 2026.
ABSTRACT The visit to Bogotá of a fééeneminaa (Muinane) friend, Célimo Nejedeka Jifichíu, and in particular, his work in researching and transmitting traditional health knowledge, offer the pretext to navigate the relationship between elements that at first glance seem distant from each other: indigenous imaginaries about otherness, their visions of ...
Giovanna Micarelli
wiley   +1 more source

Potential vectors of Leishmaniases in the Environmental Protection Area and Tinguá Federal Biological Reserve, Municipality of Nova Iguaçu, Rio de Janeiro, Brazil

open access: yesMedical and Veterinary Entomology, Volume 40, Issue 2, Page 246-259, June 2026.
This study was to describe the composition of sand fly fauna, detect potential vectors of Leishmania spp. in the Tinguá district, an ATL endemic, Rio de Janeiro, Brazil. Seven species of vectorial importance in the epidemiological cycle of leishmaniasis was observed: Nyssomyia intermedia, Migonemyia migonei, Pintomyia fischeri, Psychodopygus hirsutus ...
Antônio L. F. Santana   +9 more
wiley   +1 more source

Medidas de control vectorial de mosquitos ante brotes de arbovirosis

open access: yesRevista de Salud Ambiental, 2021
En el presente artículo se plantea el desarrollo de estrategias de vigilancia y control de diversas especies de mosquitos asentados en la Península Ibérica, basados en sus características ecológicas, para dos escenarios diferenciados de brotes de ...
Rubén Bueno   +3 more
doaj   +2 more sources

Legislative Control of Rulemaking in a Dependent State: A Critical Typology From Brazil

open access: yesPolitics &Policy, Volume 54, Issue 3, June 2026.
ABSTRACT In Brazil, legislative control conditions regulatory agencies' rulemaking through substantive limits, procedural requirements, and ex post review. Drawing on legal analysis and documentary evidence, this article maps these mechanisms through a differentiated framework that combines legislative oversight scholarship, historical institutionalism,
Paulo Borges Mathias Costa   +2 more
wiley   +1 more source

Chemical Profiling and Biological Activity of Copaiba Oil‐Resin Samples and Development of HPLC‐DAD Method for the Analysis of β‐Caryophyllene

open access: yesBiomedical Chromatography, Volume 40, Issue 5, May 2026.
ABSTRACT The Copaifera species are traditionally used for their anti‐inflammatory, antiseptic and healing properties. The objective of this study was to compare the chromatographic profiles of seven samples of copaiba oil‐resin with respect to chromatographic and physicochemical properties and to evaluate their biological activities.
Gabriel de A. P. Graça   +13 more
wiley   +1 more source

Vigilancia y control vectorial

open access: yes, 2016
El documento se encuentra en versión ...
Minchan Calderón, Alicia   +7 more
openaire   +3 more sources

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