Results 41 to 50 of about 48,904 (249)

Additive Manufacturing of Alumina‐Reinforced Elastomers

Advanced Engineering Materials, EarlyView.
Vat‐photopolymerized elastomers reinforced with platelet‐shaped alumina exhibited preferential orientation, reduced porosity, and significantly enhanced mechanical performance. A 3 wt% platelet loading increased tensile strength from 12.4 to 45.7 MPa, highlighting the critical role of filler morphology in elastomeric VPP composites.
Majid Barzegar Keyvani, Zongwen Fu, Robert Göstl, Hamed Shokri, Carmine Putignano, Gianluca Percoco, Bilal Gökce   +6 more
wiley   +1 more source

THE RELATION BETWEEN BEARS AND FOREST CLEAR-CUTTING [PDF]

Business Excellence and Management
Deforestation, forests diminution, and scarcity of natural food are widely regarded as the primary factors contributing to the presence of brown bears in urban areas of Romania, and human-bear conflicts.
Ana Gabriela ANUȚOIU, Dragoș DANȚIȘ, Ovidiu IONESCU   +2 more
doaj   +1 more source

Receptor‐Free Identification of Toxic Gases Enabled by Hygroscopic Aqueous Salt Films

Advanced Functional Materials, EarlyView.
Water as a gas sensor coating sounds impossible—until it stops evaporating. Here, hygroscopic salt solutions (LiCl, LiBr, H3PO4) form non‐drying aqueous films on CNT chemiresistors under ambient air. Gases partition into these liquid layers, sometimes transforming into water, and generate salt‐specific resistance fingerprints across a four‐channel ...
Seongwoo Lee, Yun‐Tae Kim, Hwarang Choi, Sanghwan Park, Seongyeop Lim, Chang Young Lee   +5 more
wiley   +1 more source

The Attractiveness of Landscape Segments in Terms of Brown Bear (Ursus arctos) Occurrence

Ekológia (Bratislava)
Methods of the research and monitoring of the brown bear populations are standardized and used by the scientific public, but no general methodology exists to determine which environmental conditions are attractive to brown bears in the current human ...
Nevřelová Marta, Böhmer Gabriela, Szabo Viktor   +2 more
doaj   +1 more source

Sulfation‐Tunable Peptide‐Glycosaminoglycan Hydrogels for Hematopoietic Stem and Progenitor Cell Expansion

Advanced Functional Materials, EarlyView.
Co‐assembly of rationally designed glycosaminoglycan‐binding peptides with sulfated glycosaminoglycans yields supramolecular hydrogels with tunable mechanics and matrix‐mediated cytokine retention. The glycosaminoglycans thereby act as cofactors, driving a coil‐to‐β‐sheet transition that triggers gelation.
Shirel Veretnik, Prannoy Seth, Maximilian Fusenig, Jens Friedrichs, Nicole Fertala, Passant Atallah, Uwe Freudenberg, Ayala Lampel, Carsten Werner   +8 more
wiley   +1 more source

Variable spatiotemporal ungulate behavioral response to predation risk

Ecosphere
Prey must balance resource acquisition with predator avoidance for survival and reproduction. To reduce risk of predation, prey may avoid areas with high predator use, but if they are unable to due to resource acquisition requirements, they may instead ...
Sarah L. Schooler, Nathan J. Svoboda, Kenneth F. Kellner, Ge Pu, Shannon P. Finnegan, Jerrold L. Belant   +5 more
doaj   +1 more source

Fecal eDNA metabarcoding reveals diet overlap in three sympatric large vertebrates: Red deer, brown bear and capercaillie

Global Ecology and Conservation
Across Europe, wild ungulates’ populations are increasing, affecting their habitats and vegetation by its massive consumption, notably through browsing. This altered vegetation may impact other plant consumers (herbivores and omnivores) that depend upon ...
Grégoire Pauly, Samuel Delorme, Cécile Vanpé, Christophe Baltzinger, Tanguy Daufresne, Sonia Saïd, Jérôme Sentilles, Kévin Foulché, Pierre-Yves Quenette, Mélanie Roy   +9 more
doaj   +1 more source

Impacts of Human Recreation on Brown Bears (Ursus arctos): A Review and New Management Tool. [PDF]

PLoS ONE, 2016
Increased popularity of recreational activities in natural areas has led to the need to better understand their impacts on wildlife. The majority of research conducted to date has focused on behavioral effects from individual recreations, thus there is a
Jennifer K Fortin, Karyn D Rode, Grant V Hilderbrand, James Wilder, Sean Farley, Carole Jorgensen, Bruce G Marcot   +6 more
doaj   +1 more source

Determining the distribution factors of an endangered large carnivore: A case study of the brown bear Ursus arctos population in the Central Zagros Mountains, Southwest Iran

Global Ecology and Conservation, 2023
Human encroachment in natural habitats and consequent landscape modifications pose significant threats to animal populations, particularly endangered species.
Mohammad Reza Ashrafzadeh, Kamalaldin Shahbazinasab, Alireza Mohammadi, Vincenzo Penteriani   +3 more
doaj   +1 more source

Patterned ELR‐Gelatin Hydrogels Enable Rapid Endothelial Monolayer Formation via Bioactive Matrix Chemistry and Surface Topography

Advanced Healthcare Materials, EarlyView.
Micro‐ and nano‐patterned elastin‐like recombinamer (ELR) hydrogels integrate bioactive matrix chemistry with defined surface topography. The combined cues promote rapid endothelial cell capture, alignment, and monolayer formation on soft substrates.
Jagoda Litowczenko, Yannick Richter, Martyna Michalska, Piotr Paczos, Karine Tadevosyan, Daniel Uribe, Jose Carlos Rodriguez‐Cabello, Ioannis Papakonstantinou, Angel Raya   +8 more
wiley   +1 more source