Results 271 to 280 of about 678,145 (379)

High‐Yield Bioproduction of Extracellular Vesicles from Stem Cell Spheroids via Millifluidic Vortex Transport

open access: yesAdvanced Materials, EarlyView.
Stem cell spheroids, produced via a high‐throughput microfabrication technique, are transported within a vortex generated at the outlet channels of a cross‐slot millifluidic chip. For Reynolds number exceeding 170–200, intermittent high shear stresses applied to each spheroid within the vortex trigger a massive release of biologically active ...
Elliot Thouvenot   +8 more
wiley   +1 more source

Content-Based Image Retrieval for Digital Forensics

open access: bronze, 2006
Ying Chen   +3 more
openalex   +1 more source

Self‐Assembled Hollow Gyroids with Bicontinuous Mesostructures: A Highly Robust Electrocatalyst Fixation Platform

open access: yesAdvanced Materials, EarlyView.
The hollow gyroid carbon (HGC), synthesized via the self‐assembly of block copolymers and vapor pressure‐induced hollow structuring, provides a robust platform for embedding Pt nanoparticles. The HGC morphology facilitates efficient mass transport while the pyridine N inherent in the block copolymer enhances electrical conductivity and electrochemical ...
Gun Ho Lee   +8 more
wiley   +1 more source

A Bio‐Inspired Perspective on Materials Sustainability

open access: yesAdvanced Materials, EarlyView.
This perspective discusses natural materials as inspiration for sustainable engineering designs and the processing of materials. First, circularity, longevity, parsimony, and activity are presented as essential material paradigms. The perspective then uses many examples of natural and technical materials to introduce principles such as oligo ...
Wolfgang Wagermaier   +2 more
wiley   +1 more source

SciAgents: Automating Scientific Discovery Through Bioinspired Multi‐Agent Intelligent Graph Reasoning

open access: yesAdvanced Materials, EarlyView.
The SciAgents AI model drives hypothesis generation by harnessing multi‐agent graph reasoning, extracting insights from knowledge graphs constructed from scientific papers. Each agent plays a specific role: the Ontologist defines concepts, the Scientists draft and refine proposals, and the Critic reviews.
Alireza Ghafarollahi, Markus J. Buehler
wiley   +1 more source

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