Results 11 to 20 of about 273,296 (157)

Centella asiatica extract‐SiO2 nanocomposite: More than a drug‐delivery system for skin protection from oxidative damage

open access: yesJournal of Biomedical Materials Research Part A, Volume 111, Issue 3, Page 300-308, March 2023., 2023
Centella asiatica extract‐SiO2 nanocomposites, specifically tailored for skin protection from oxidative damage were prepared by an innovative nanotechnology‐based approach. Abstract An innovative nanotechnology‐based approach was used for the preparation of Centella asiatica (C.
Federico Ebau   +6 more
wiley   +1 more source

A Visible‐Light Driven Esterification of Aldehydes Catalyzed by VOSO4

open access: yesAdvanced Synthesis &Catalysis, Volume 365, Issue 4, Page 508-514, February 21, 2023., 2023
Abstract An esterification of the C−H bond of aldehydes promoted by oxidovanadium(IV) sulfate, VIVOSO4, is reported. The process is mediated by visible‐light, is carried out at room temperature, in absence of additives and using H2O2 as a benign oxidant.
Silvia Gaspa   +6 more
wiley   +1 more source

Cuerpos de cobre: Extractivismo en Chuquicamata, Chile

open access: yesThe Journal of Latin American and Caribbean Anthropology, Volume 26, Issue 2, Page 200-218, June 2021., 2021
Resumen ¿Qué extraen y qué producen los extractivismos? El presente artículo intenta responder a esta pregunta analizando críticamente, la relación entre cuerpos, trabajo y mi‐nería principalmente bajo el modelo neoliberal chileno, en la mina estatal de cobre a tajo abierto más grande del planeta: Chuquicamata.
Marina Weinberg
wiley   +1 more source

Ag/In lead‐free double perovskites

open access: yesEcoMat, Volume 2, Issue 1, March 2020., 2020
Cs2AgInCl6 and Cs2AgInBr6 are lead‐free double perovskites with a peculiar electronic structure, generating strong absorption in the UV, weak absorption and efficient optical emission in the visible. A combination of advanced ab‐initio calculations and photoluminescence experiments demonstrates that such materials are ideally suited for semitransparent
Fang Liu   +14 more
wiley   +1 more source

Mutations in the ARAP3 Gene in Three Families with Primary Lymphedema Negative for Mutations in Known Lymphedema‐Associated Genes

open access: yesInternational Journal of Genomics, Volume 2020, Issue 1, 2020., 2020
Background. ARAP3 is a small GTPase‐activating protein regulator, which has important functions in lymphatic vessel organogenesis and modulation of cell adhesion and migration. Mutations in the ARAP3 gene are associated with impaired lymphatic vessel formation. Objective.
Maurizio Ricci   +18 more
wiley   +1 more source

Régimen jurídico de la educación universitaria privada en Uruguay

open access: yesEducationis Momentum, 2023
El presente artículo analiza el régimen jurídico de la educación universitaria privada en Uruguay, examinando la relación entre Constitución y persona humana, la libertad cultural y de enseñanza, el principio de subsidiariedad y la autonomía ...
Marcelo Sheppard Gelsi
doaj   +1 more source

La Defensoría de la comunidad universitaria de la Universidad Nacional de Córdoba-República de Argentina [PDF]

open access: yes, 2016
En 1997, el Rectorado de la Universidad Nacional de Córdoba detecta irregularidades en actas de exámenes y títulos. Para resolver el grave problema el Rector conforma una comisión con miembros de la máxima autoridad colegiada de la institución ...
Aguiar Zapiola, Liliana
core   +2 more sources

LA AUTONOMÍA UNIVERSITARIA VISTA DESDE LAS CIENCIAS ADMINISTRATIVAS

open access: yesRevista Nacional de Administración, 2013
Este artículo pretende contribuir al debate sobre la autonomía universitaria que se desarrolla actualmente entre la comunidad académica, y plantea alternativas para resolver el conflicto que se configura entre el principio de la autonomía universitaria y
Mayela Cubillo Mora
doaj   +1 more source

Universidad, sociedad & región [PDF]

open access: yes, 2017
El artículo se constituyó en un aporte a la discusión que se generó en el proceso de Reforma Universitaria que en la Universidad de Nariño se viene desarrollando desde el año 2008 con el propósito de modificar sus Estatutos, en ejercicio de los ...
Martínez Riascos, Manuel Enrique
core   +2 more sources

Evaluating Leadership and Teamwork Competency Acquisition Through Clinical Simulation: Development of the Clinical Simulation Learning Leadership and Teamwork Scale

open access: yesJournal of Clinical Nursing, EarlyView.
ABSTRACT Advanced simulation is a methodology that allows the development of technical skills and transversal skills such as teamwork and leadership. There are tools to measure the development of technical competencies and student satisfaction with the methodology, but not to measure the development and use of transversal competencies in the clinical ...
Rafael González‐Moret   +6 more
wiley   +1 more source

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