Results 91 to 100 of about 126,599 (265)

How founders' values enable business model innovation in new ventures: The case of Magnum Photos

open access: yesStrategic Management Journal, EarlyView.
Abstract Research Summary This study explores why and how founders' values lead them to design novel business models. To address these questions, we conducted a historical case study of Magnum Photos, a photo agency whose novel business model revolutionized magazine photography in the mid‐20th century.
Anastasia Sergeeva, Christoph Zott
wiley   +1 more source

Extracción secuencial de los polisacáridos del alga parda Adenocystis utricularis

open access: yesRevista de Química, 2004
Adenocystís utrícularís (familia Adenocystaceae; orden Ectocarpales sensu lato) es un alga parda que crece sobre el sustrato rocoso en las costas patagónicas del Atlántico Sur.
Nora M.A. Ponce   +3 more
doaj  

Especies de Ulva del Golfo San Jorge, Patagonia Argentina: variaciones bioquímicas estacionales - espaciales y su relación con la producción de metabolitos bioactivos

open access: yesArs Pharmaceutica
Objetivos: Investigar especies de Ulva del Golfo San Jorge, Patagonia Argentina, integrando aspectos bioquímicos, actividad biológica y variaciones estacionales/habitacionales que permitan determinar su potencial aplicación en Salud.
Analía Verónica Uhrich   +2 more
doaj   +1 more source

Teoría y práctica intercultural: políticas públicas y estrategias interculturales originarias para una articulación con identidad

open access: yesEspaço Pedagógico, 2012
Los vínculos entre los Pueblo Originarios con los Estados nacional y provinciales van por senderos bifurcados dentro de un sistema judicial impuesto, ajeno y complicado. Existen desalojos por irregularización de La propiedad de las tierras y la nega ción
Raúl Díaz, Jorgelina Villarreal
doaj   +1 more source

Influence of Water Temperature on the MXR Activity and P-glycoprotein Expression in the Freshwater Snail, Physa acuta (Draparnaud, 1805) [PDF]

open access: yes, 2017
P-glycoprotein (P-gp) mediated multixenobioticresistance (MXR) is a mechanism analogous to multidrug resistance, which has been extensivelycharacterized in mammalian tumours.
Assef, Yanina Andrea   +1 more
core   +1 more source

Temporal activity patterns of tourists and pumas Puma concolor in public areas in the Patagonia National Park, Chile

open access: yesWildlife Biology, EarlyView.
The presence of humans and large carnivores in shared landscapes presents unique challenges for wildlife conservation and management. This study explores the temporal activity patterns of tourists and pumas Puma concolor using camera traps to understand the potential for encounters between the two groups in Patagonia National Park, Chile.
Liliana Guzmán‐Aguayo   +8 more
wiley   +1 more source

El valor cognitivo de las metáforas en la comunicación pública de las Ciencias

open access: yesErebea, 2018
La Comunicación Pública de las Ciencias se desarrolla en la teoría de la comunicación y en las prácticas de comunicadores y científicos. Estos últimos asumen cada vez más la difusión de sus investigaciones.
María Gabriela Ramos   +4 more
doaj   +1 more source

Estratigrafía de Sr y evolución sedimentaria de los depósitos marinos del Mioceno temprano en el antepaís del norte de la Cuenca Austral (o Magallanes), Argentina [PDF]

open access: yes, 2015
Early Miocene shallow marine deposits in the region of Lago Posadas-Meseta Belgrano (Argentina) represent part of the “Patagoniense” transgression, an Atlantic marine incursion that flooded large part of Patagonia, including the Austral (foreland) Basin (
Alonso Muruaga, Pablo Joaquin   +3 more
core   +1 more source

Evaluating the accuracy of wolverine identification from photographs of snow tracks by expert observers in North America

open access: yesWildlife Biology, EarlyView.
North American wolverines Gulo gulo are a species of conservation concern across much of their range. The remote and rugged terrain they occupy has led to the development of various remote detection methods. While visual identification of wolverine tracks has a long history of use, it has recently been considered less reliable than other remote ...
David E. Moskowitz   +5 more
wiley   +1 more source

Potential of alternative control of leaf‐cutting ants using essential oils: A systematic review

open access: yesAgricultural and Forest Entomology, EarlyView.
Abstract Leaf‐cutting ants (LCAs) are abundant and cause considerable damage to agricultural and forest crops in the Neotropical region and are commonly controlled using sulfluramid‐based ant baits. However, this active ingredient is a precursor of perfluorooctane sulfonic acid (PFOS), a persistent, human‐made pollutant that poses serious environmental
Heloisa S. S. Pinheiro   +9 more
wiley   +1 more source

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