Results 131 to 140 of about 240,272 (354)

A finiteness condition on centralizers in locally finite groups [PDF]

open access: green, 2015
Gustavo A. Fernández‐Alcober   +3 more
openalex   +1 more source

Robotic Materials With Bioinspired Microstructures for High Sensitivity and Fast Actuation

open access: yesAdvanced Science, EarlyView.
In the review paper, design rationale and approaches for bioinspired sensors and actuators in robotics applications are presented. These bioinspired microstructure strategies implemented in both can improve the performance in several ways. Also, recent ideas and innovations that embed robotic materials with logic and computation with it are part of the
Sakshi Sakshi   +4 more
wiley   +1 more source

Subvoxel Control of Fiber Orientation via Multidirectional Shearing in 3D Printing

open access: yesAdvanced Science, EarlyView.
A novel 3D printing technique enables subvoxel control of fiber orientation in all three directions through multidirectional shearing using nozzle rotation and inclination. It allows localized and tunable mechanical and thermal responses through programmable microstructures within a strand.
Berin Šeta   +5 more
wiley   +1 more source

Positive Feedback Organic‐on‐Silicon Upconversion Devices

open access: yesAdvanced Science, EarlyView.
Positive optoelectronic feedback is achieved by depositing a tandem OLED on top of a heterojunction Si photodiode. The resulting hybrid device is bistable and upconverts near‐infrared light (λ = 1050 nm) to visible light (λ = 570 nm) with a photon‐to‐photon upconversion yield of up to 900%.
Raju Lampande   +5 more
wiley   +1 more source

Brillouin Microscopy of Breast tumor Spheroids On‐a‐Chip: Mechanical and Transcriptional Responses to Microfluidic‐Induced Rapid Deformations

open access: yesAdvanced Science, EarlyView.
Brillouin‐Raman Microspectroscopy on‐a‐Chip (BRmS) enables real‐time analysis of breast tumor spheroids in microfluidic channels. Following cyclical deformations, MCF10.DCIS.com spheroids are captured in recovery traps and imaged with BRmS. The applied deformations trigger a stiffening response marked by increased frequency shifts, elevation of the ...
Mona Makkieh   +22 more
wiley   +1 more source

Active Force Dynamics in Red Blood Cells Under Non‐Invasive Optical Tweezers

open access: yesAdvanced Science, EarlyView.
A non‐invasive method combines low‐power optical tweezers with high‐speed microscopy to simultaneously monitor local membrane forces and displacements in single human red blood cells. This dual‐channel approach reveals a mechano‐dynamic signature that correlates the cell's metabolic state with its mechanical activity. This energetic framework serves as
Arnau Dorn   +5 more
wiley   +1 more source

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