Results 51 to 60 of about 540,186 (168)

Gel Containing Catechin and Mesoporous Silica Nanoparticles for Protecting Root Dentin Against Erosion: An In Situ Study

open access: yesMicroscopy Research and Technique, Volume 88, Issue 12, Page 3147-3155, December 2025.
Gels containing EGCG adsorbed on mesoporous silica nanoparticles have a protective effect against dentin erosion. ABSTRACT This study evaluated the in situ anti‐erosive effect of gels containing epigallocatechin‐3‐gallate (EGCG) isolated and adsorbed on mesoporous silica nanoparticles (EGCG/MSN) on eroded dentin.
Helaine Cajado Alves   +5 more
wiley   +1 more source

El futuro de los periódicos on line [PDF]

open access: yes, 2002
El 11 de septiembre del 2001 el terrorismo demostró que diferentes modelos planteados en el siglo XXI no funcionaban como se había pensado. Fue ese día cuando se desmoronó parcialmente Internet, la deidad en que se le ha conceptualizado al nuevo medio ...
Navarro Zamora, Lizy
core   +1 more source

Threshold responses of floating meadow fish communities to floodplain forest cover in the lower Amazon River

open access: yesConservation Biology, Volume 39, Issue 6, December 2025.
Abstract Forest cover is positively associated with fish biomass and fisheries yield in the Amazon River floodplain, and many species enter flooded forests to feed, spawn, or seek refuge from predation. Floating macrophyte beds, known as floating meadows, in Amazon floodplains support high fish diversity and serve as nursery habitat for many fishes of ...
Sam Grinstead   +6 more
wiley   +1 more source

PANORAMA E POTENCIALIDADES PARA PUBLICAÇÃO DE ARTIGOS CIENTÍFICOS NA ÁREA AMBIENTAL

open access: yesAdministração: Ensino e Pesquisa, 2012
As questões relativas ao meio ambiente fizeram emergir preocupações socioambientais em todos os segmentos e, em especial, no empresarial, o que influenciou o aumento de pesquisas em determinadas áreas.
Denize Demarch Minatti Ferreira   +2 more
doaj   +1 more source

Border Women Literature and Feminist Cartographies: Student Approaches to Dataset and Visualization Development for Gender‐Based Violence Documentation

open access: yesSexuality, Gender &Policy, Volume 8, Issue 4, November 2025.
ABSTRACT Researching gender violence and transnational feminist movements fuels commitment to meaningful change. Drawing on Toni Morrison's 1998 call to refuse desensitization to violence, examining how three university students—Niloufar Esmaeili (PhD English), Jessica Corona (MA Spanish), and Jasbeth Medrano (Political Science undergraduate)—engaged ...
Niloufar Esmaeili   +2 more
wiley   +1 more source

REVISTAS ACADÊMICAS DE EXTENSÃO UNIVERSITÁRIA NO BRASIL

open access: yesRevista Brasileira de Extensão Universitária, 2014
A publicação de revistas multidisciplinares dedicadas à extensão universitária é um fenômeno notável em vários países da América. Os periódicos mais antigos desta natureza são dos anos 1960, nos Estados Unidos, quando surgiu o Journal of Extension.
Geraldo Ceni Coelho
doaj   +1 more source

El proceso de Paz de El Salvador diez años después a través de la Prensa Salvadoreña [PDF]

open access: yes, 2002
El pasado 16 de enero de 2002 se cumplieron diez años de la firma de los Acuerdos de Paz de El Salvador, con ocasión de este aniversario los periódicos salvadoreños dedicaron extensos especiales a analizar la guerra y el proceso de paz, la intención del ...
Fernandez-Garcia, Jesus
core  

Genomic Data Are Not Commodities: Advocating for Collective Responsibility in Open Science

open access: yesJournal of Biogeography, Volume 52, Issue 11, November 2025.
ABSTRACT The availability of genomic and genetic data is fundamental to advancing biogeographical research, particularly in biodiversity‐rich but data‐poor regions such as the South Atlantic. Yet, despite increasing mandates for open science, researchers face significant barriers to accessing datasets from published studies.
Danilo T. Amaral   +2 more
wiley   +1 more source

Mujeres y educación: Representación desde la prensa antioqueña en la década de 1920

open access: yesRevista Ciencias y Humanidades, 2017
Este artículo analizó las representaciones de las mujeres en la prensa antioqueña en la década de 1920. Este periodo fungió como una coyuntura para la movilización de éstas por sus derechos. Para el análisis se tomó como referencia la posición ideológica
Paula Andrea Urrego
doaj  

Apropiación y uso de las tecnologías de la información y de la comunicación (TIC) en la prensa migrante de las colectividades andinas en la Argentina [PDF]

open access: yesDoxa Comunicación, 2014
El uso de las tecnologías de la información y de la comunicación (TIC) como Internet, han transformado formas de organización social en las comunidades de migrantes.
Cecilia E. Melella
doaj  

Home - About - Disclaimer - Privacy