Results 231 to 240 of about 1,181,906 (288)
Double Helical Plasmonic Antennas
Advanced Functional Materials, EarlyView.Plasmonic double helical antennas funnel circularly polarized light to the nanoscale, offering strong chiroptical interaction and directional light emission. Extending a single helix design tool, this study combines numerical modeling with experimental validation, revealing large, broadband dissymmetry factors in the visible range.
Aleksei Tsarapkin +7 more
wiley +1 more source
Advanced Functional Materials, EarlyView.This study introduces a novel multi‐scale scaffold design using L‐fractals arranged in Archimedean tessellations for tissue regeneration. Despite similar porosity, tiles display vastly different tensile responses (1–100 MPa) and deformation modes. In vitro experiments with hMSCs show geometry‐dependent growth and activity. Over 55 000 tile combinations
Maria Kalogeropoulou +4 more
wiley +1 more source
Substrate Stress Relaxation Regulates Cell‐Mediated Assembly of Extracellular Matrix
Advanced Functional Materials, EarlyView.Silicone‐based viscoelastic substrates with tunable stress relaxation reveal how matrix mechanics regulates cellular mechanosensing and cell‐mediated matrix remodelling in the stiff regime. High stress relaxation promotes assembly of fibronectin fibril‐like structures, increased nuclear localization of YAP and formation of β1 integrin‐enriched ...
Jonah L. Voigt +2 more
wiley +1 more source
Advanced Functional Materials, EarlyView.This work presents self‐propelled CRISPR/Cas9‐functionalized Au–MRs for rapid, amplification‐free, “on‐the‐fly” DNA detection. By harnessing motion‐assisted signal recovery, the platform achieved the limit of detection in low fM DNA concentrations, enabling detection across a wide dynamic range within only 5 min, which is significantly faster than any ...
Jyoti +3 more
wiley +1 more source
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Topics in Cognitive Science, 2009
AbstractThe resurgence of interest in collective behavior is in large part due to tools recently made available for conducting laboratory experiments on groups, statistical methods for analyzing large data sets reflecting social interactions, the rapid growth of a diverse variety of online self‐organized collectives, and computational modeling methods ...
Robert L, Goldstone, Todd M, Gureckis
openaire +2 more sources
AbstractThe resurgence of interest in collective behavior is in large part due to tools recently made available for conducting laboratory experiments on groups, statistical methods for analyzing large data sets reflecting social interactions, the rapid growth of a diverse variety of online self‐organized collectives, and computational modeling methods ...
Robert L, Goldstone, Todd M, Gureckis
openaire +2 more sources
Collective Locomotion as Collective Behavior
American Sociological Review, 1986Milling clusters, surges within gatherings, street actions, demonstration marches, and state processions are forms of social behavior with which we mark points along a continuum of collective locomotion. A theoretical framework, field observations, measurement criteria and procedures are presented to systematically describe variations in the complexity
Clark McPhail, Ronald T. Wohlstein
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Reimagining Collective Behavior
2016Recent research from cognitive social science reveals that early collective behavior theorists had more right than we tend to credit. This may come as a surprise given the rejection of early theories by the emergence of the social movements field and the coinciding rationalist turn. To break free of old ways of thinking, we use cognitive social science
Justin Van Ness, Erika Summers-Effler
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Rationality and Society, 1994
Research on collective action has largely ignored the kinds of violent ideological movements that were a major preoccupation of earlier research on collective behavior. The models of mobilization that now dominate the field, designed to address the problem of free riders and individual choice in a relatively free political environment, offer little ...
openaire +1 more source
Research on collective action has largely ignored the kinds of violent ideological movements that were a major preoccupation of earlier research on collective behavior. The models of mobilization that now dominate the field, designed to address the problem of free riders and individual choice in a relatively free political environment, offer little ...
openaire +1 more source