Results 51 to 60 of about 158,614 (342)

Mistletoe‐ and Mussel‐Inspired Fabrication of Hierarchically Structured Protein‐Cellulose Scaffolds From Biomolecular Condensates

Advanced Materials, EarlyView.
Merging materials processing tricks inspired by mussel and mistletoe fiber fabrication, solutions of cationic mussel byssus proteins were mixed with modified anionic nanocrystalline cellulose, producing distinctive core‐shell condensates. Simple processing of condensate suspensions using freeze‐drying produced hierarchically structured porous protein ...
Hamideh R. Alanagh, Seyed Mohammad Amin Ojagh, Arman Jafari, Xinyu Zhan, Tara Sprules, Alexandre Poulhazan, Houman Savoji, Adam G. Hendricks, Theo G.M. van de Ven, Matthew J. Harrington   +9 more
wiley   +1 more source

Using microstructures and composition to decipher the alterations of rodent teeth in modern regurgitation pellets—a good news-bad news story

, 2020
Rodent accumulations are widely used for palaeoenvironmental reconstructions. But these accumulations are created through the activity of predators (carnivorous mammals, birds of prey), the predation and digestion of which modify the preservation of ...
Dauphin, Y.
core   +3 more sources

Polygamy in the Marsh Harrier, Circus aeruginosus: Individual Variation in Hunting Performance and Number of Mates [PDF]

, 1982
1. Theories postulating that sexual task differentiation may lead to polygamy such that the sex investing the least effort in raising the offspring, engages in simultaneous matings, contrast with polygyny in raptors where the male provides most of the ...
Altenburg, Wibe,, Daan, Serge,, Starkenburg, Jaap,, Zijlstra, Menno,   +3 more
core   +1 more source

Enhanced Trapping with an Optimized Graphene‐Based Bowtie Plasmonic Nanotweezer: Design, Analysis, and Bioanalytical Applications

Advanced Photonics Research, EarlyView.
A graphene‐based bowtie plasmonic nanotweezer is designed and optimized using particle swarm optimization and transfer matrix analysis. The structure achieves strong field confinement, delivering trapping forces up to 6 nN W−1 for 10 nm bioparticles with sixfold lower power requirements than conventional designs.
Saba Ebrahimpanah, Mohammad Hazhir Mozaffari, Ali Farmani   +2 more
wiley   +1 more source

The Annual Cycle of German Adult Ospreys – Studies in the Breeding and Wintering Areas as Well as During Migration Since 1995 by Means of Satellite Telemetry

Пернатые хищники и их охрана, 2018
German Ospreys (Pandion haliaetus) were thought to migrate to sub-Saharan Africa. However, most of the many ring recoveries were from juvenile birds, and adults had never been satellite-tracked.
Bernd-Ulrich Meyburg, Dietrich Roepke, Christiane Meyburg, Rien E. van Wijk   +3 more
doaj  

Vision‐Assisted Avocado Harvesting with Aerial Bimanual Manipulation

Advanced Robotics Research, EarlyView.
This work outlines the design and implementation of a bimanual aerial robot that employs visual perception and learning to detect, reach, and harvest avocados. A new gripper and fixer arm assembly is used to harvest avocados, while visual perception enables the detection of avocados and estimation of their position and orientation for determining ...
Zhichao Liu, Jingzong Zhou, Caio Mucchiani, Konstantinos Karydis   +3 more
wiley   +1 more source

Solent Disturbance and Mitigation Project Phase II: Predicting the impact of human disturbance on overwintering birds in the Solent. [PDF]

, 2012
The Solent coastline provides feeding grounds for internationally protected populations of overwintering waders and wildfowl, and is also extensively used for recreation.
Clarke, Ralph T., Liley, D., Stillman, Richard A., West, Andrew D.   +3 more
core  

Sex-biased parental care and sexual size dimorphism in a provisioning arthropod [PDF]

, 2015
The diverse selection pressures driving the evolution of sexual size dimorphism (SSD) have long been debated. While the balance between fecundity selection and sexual selection has received much attention, explanations based on sex-specific ecology have ...
A Herrel, AJS Weaving, AJS Weaving, AJS Weaving, AK Chippendale, AV Hedrick, B Hurlbutt, CH Hicks, CR Pavey, DJ Fairbairn, DJ Fairbairn, DJ Fairbairn, E Paradis, E Petersson, E Ranta, EJ Temeles, FD Parker, FE Kurczewski, G Halffter, G Head, G Shreeves, Gavin Shreeves, GB Monteith, GP Baerends, H Dollfuss, H Weimerskirch, HE Evans, HE Evans, HE Evans, HE Hinton, J Field, J Field, J Field, J Field, J Field, J Field, J Hunt, J Tormos, JA Powell, JA Rosenheim, JA Rosenheim, James D. J. Gilbert, JC Costa, JDJ Gilbert, JDJ Gilbert, Jeremy Field, JF Berry, JH Marden, JJ Gilbert, JR Coelho, JR Lighton, K Ralls, KM O’Neill, KM O’Neill, M Andersson, M Blösch, M Goubault, Martyn Kennedy, ME Favila, MF O’Brien, MS Iglesias, O Krüger, O Lomholdt, P Lindenfors, P Myers, P Wheeler, PB Edwards, PR Stephens, R Lande, R Shine, R Tornberg, RC Castillo del, RC Stillwell, RF Preziosi, RM Bohart, RM Cox, S Nylin, SC Stearns, SD Gaimari, Selina Brace, ST Trumbo, TE Reimchen, TH Clutton-Brock, VL Kazenas, W Groot De, WU Blanckenhorn, WU Blanckenhorn, X Han   +87 more
core   +1 more source

A CHECKLIST OF BIRDS OF PREY OF RAWALPINDI, ISLAMABAD AND ADJACENT AREAS

Journal of Bioresource Management, 2014
Wildlife is declining worldwide due to loss of habitat, pollution, introduction of exotic species, climatic changes etc. Birds of prey are believed to be rapidly declining in Pakistan though no reliable recent data is available and the available ...
Nadia Yousaf, Madeeha Manzoor
doaj   +1 more source

Information Transmission Strategies for Self‐Organized Robotic Aggregation

Advanced Robotics Research, EarlyView.
In this review, we discuss how information transmission influences the neighbor‐based self‐organized aggregation of swarm robots. We focus specifically on local interactions regarding information transfer and categorize previous studies based on the functions of the information exchanged.
Shu Leng, Zihan Li, Yifeng Shao, Jinhao Liu, Li Yu, Shuguang Li   +5 more
wiley   +1 more source