Results 131 to 140 of about 20,341 (302)

Mixed‐Metal Promotion in a Manganese‐Molybdenum Oxynitride as Catalyst to Integrate C─C and C─N Coupling Reactions for the Direct Synthesis of Acetonitrile from Syngas and Ammonia

Advanced Materials, EarlyView.
Transition metal oxy/carbo‐nitrides show great promise as catalysts for sustainable processes. A Mn‐Mo mixed‐metal oxynitride attains remarkable performance for the direct synthesis of acetonitrile, an important commodity chemical, via sequential C─N and C─C coupling from syngas (C1) and ammonia (N1) feedstocks.
M. Elena Martínez‐Monje, Wilson Henao, Tania Rodenas, Patricia Concepción, Virginia Pérez Dieste, Alexander Missyul, Giovanni Agostini, Gonzalo Prieto   +7 more
wiley   +1 more source

Twenty Years of Human-Grizzly Bear Conflict Management in Northwest Montana [PDF]

, 2013
This paper examines and summarizes twenty years of human-grizzly bear (Ursus arctos) conflicts and management actions in northwest Montana from 1993 through 2012. Initial responses to the reported conflicts usually involved identifying the attractant and
Manley, Timothy L., Stutzman, Lindsey A.
core   +1 more source

Spin and Charge Control of Topological End States in Chiral Graphene Nanoribbons on a 2D Ferromagnet

Advanced Materials, EarlyView.
Chiral graphene nanoribbons on a ferromagnetic gadolinium‐gold surface alloy display tunable spin and charge states at their termini. Atomic work function variations and exchange fields enabe transitions between singlet, doublet, and triplet configurations.
Leonard Edens, Francisco Romero‐Lara, Trisha Sai, Kalyan Biswas, Manuel Vilas‐Varela, Thomas Frederiksen, Diego Peña, Fabian Schulz, Jose Ignacio Pascual   +8 more
wiley   +1 more source

Author Correction: Proteomic and Transcriptomic Changes in Hibernating Grizzly Bears Reveal Metabolic and Signaling Pathways that Protect against Muscle Atrophy. [PDF]

Sci Rep, 2020
Mugahid DA, Sengul TG, You X, Wang Y, Steil L, Bergmann N, Radke MH, Ofenbauer A, Gesell-Salazar M, Balogh A, Kempa S, Tursun B, Robbins CT, Völker U, Chen W, Nelson L, Gotthardt M.   +16 more
europepmc   +1 more source

Betsy DeVos Fails the Test

, 2017
Mitt Romney said: Betsy DeVos is a smart choice for education secretary. The Wall Street Journal said DeVos knows how to fight and how to make the moral case for reform. Andrew Rotherham called her a pretty mainstream pick.
Powell, Dave
core  

From ‘Sandals and Beards to Sophisticated Urbanites’: The Opportunities and Management Dilemmas of a Dynamic Wildlife Tourism Sector [PDF]

, 2009
Wildlife tourism has undoubtedly come of age. If you consider it as ‘an old hat niche product’, you may think again. The last five years has seen an incremental growth in the number of different types of commercial wildlife watching activities developed,
Curtin, Susanna C.
core  

Bioorthogonal Photoactivation of 2‐Nitrobenzyl Caged Doxorubicin Anticancer Prodrugs on Gold Nanostars

Advanced Materials, EarlyView.
Bioorthogonal chemistry was applied to intracellularly photoactivate Doxorubicin (Dox) using gold nanostars (AuNSt) and near‐infrared (NIR) light. Two prodrugs were used: one photoactivatable, masked with 2‐nitrobenzyl carbamate (proDox1) and another photolabile, masked with 2‐nitrobenzyl diol (proDox2), which was attached to the AuNSt surface.
Juan José Esteve‐Moreno, Andrea Escudero, Oscar Ferreira Silvestre, José Manuel Terrés, Mónica Gorbe, Eva Garrido, Carlos Renero‐Lecuna, Judith Langer, María Alfonso, Javier Ibañez, Félix Sancenón, Roberto Cao‐Milán, Luis M. Liz‐Marzán, Alba García‐Fernández, Andy Hernández‐Montoto, Ramón Martínez‐Máñez   +15 more
wiley   +1 more source

Contextual Factors Associated with Fecal Glucocorticoid Metabolites in Juvenile Polar Bears (Ursus maritimus) and a Cohabitating Juvenile Grizzly Bear (Ursus arctos horribilis) at the Detroit Zoo

Journal of Zoological and Botanical Gardens
Fecal glucocorticoid metabolites have been used to evaluate responses to stressors in captive adult polar (Ursus maritimus) and grizzly (Ursus arctos horribilis) bears.
Emily Bovee, Tevon Madry, Kylen N. Gartland, Grace Fuller   +3 more
doaj   +1 more source

Water Permeates and Plasticizes Amorphous Carbon Dots: Unraveling the Inner Accessibility of the Nanoparticles by Glass Transition Studies

Advanced Materials, EarlyView.
The water permeability of amorphous carbon dots (CDs) is demonstrated by investigating their plasticization. Novel polyamide‐based and amorphous nanoparticles are synthesized by controlling their inner packing density. Water plasticization is evidenced by the decrease of the CDs glass transition temperature with increasing the hydration degree.
Elisa Sturabotti, Valerio Di Lisio, Lucia Cardo, Alessandro Camilli, Estela Moretón Alfonsín, Daniele Cangialosi, Amaia Iturrospe Ibarra, Arantxa Arbe, Maurizio Prato   +8 more
wiley   +1 more source

Satellite and ground radiotracking of elk [PDF]

Radiotracking and monitoring of free-living animals in natural environments is providing an effective new technique for acquiring information on biological processes, including animal orientation and navigation.
Buechner, H. K., Cote, C. E., Craighead, F. C., Jr., Craighead, J. J.   +3 more
core   +1 more source