Results 11 to 20 of about 1,154 (169)

Environmental temperature effect on dimensional measurements of atomic force microscopy

open access: yesNanotechnology and Precision Engineering, 2021
Atomic force microscopy (AFM) is increasingly being used as a fundamental tool for dimensional measurements at the nanoscale in the laboratory and in industry.
Chengfu Ma, Yuhang Chen, Wenhao Huang
doaj   +1 more source

High-performance Marangoni hydrogel rotors with asymmetric porosity and drag reduction profile

open access: yesNature Communications, 2023
Utilizing the Marangoni effect, miniaturized machineries can be endowed with self-propulsion. Here, the authors report high-performance Marangoni hydrogel rotors with asymmetric porosity and drag reduction profile and demonstrate multiple potential ...
Hao Wu   +20 more
doaj   +1 more source

The Optimization of a Microfluidic CTC Filtering Chip by Simulation

open access: yesMicromachines, 2017
The detection and separation of circulating tumor cells (CTCs) are crucial in early cancer diagnosis and cancer prognosis. Filtration through a thin film is one of the size and deformability based separation methods, which can isolate rare CTCs from the ...
Huan Li   +6 more
doaj   +1 more source

Dual-resonance sensing for environmental refractive index based on quasi-BIC states in all-dielectric metasurface

open access: yesNanophotonics, 2023
Metasurface provides a novel way to modulate light energy at specific wavelengths, namely resonances, where there is a sharp drop in the transmission spectrum.
Chen Wenjie   +3 more
doaj   +1 more source

Light-triggered multi-joint microactuator fabricated by two-in-one femtosecond laser writing

open access: yesNature Communications, 2023
Inspired by the flexible joints of humans, actuators containing soft joints have been developed for various applications, including soft grippers, artificial muscles, and wearable devices. However, integrating multiple microjoints into soft robots at the
Chen Xin   +9 more
doaj   +1 more source

Strength and toughness enhancement in 3d printing via bioinspired tool path

open access: yesMaterials & Design, 2020
Mechanical properties such as strength, toughness and anisotropy are significant in 3D printing technology. Unfortunately, the strength and toughness are often mutually exclusive, and are therefore difficult to be enhanced simultaneously.
Yuxuan Sun   +4 more
doaj   +1 more source

Online Doppler Effect Elimination Based on Unequal Time Interval Sampling for Wayside Acoustic Bearing Fault Detecting System

open access: yesSensors, 2015
The railway occupies a fairly important position in transportation due to its high speed and strong transportation capability. As a consequence, it is a key issue to guarantee continuous running and transportation safety of trains.
Kesai Ouyang   +5 more
doaj   +1 more source

Analysis and optimization of the wall-climbing robot with an adsorption system and adhesive belts

open access: yesInternational Journal of Advanced Robotic Systems, 2020
This article presents an innovative wall-climbing robot for detection on smooth wall surfaces, which consists of a vacuum adsorption system and adhesion belts, making the robot flexible and effectively steerable.
Jinfu Liu   +8 more
doaj   +1 more source

Data‐Driven Navigation of Ferromagnetic Soft Continuum Robots Based on Machine Learning

open access: yesAdvanced Intelligent Systems, 2023
Ferromagnetic soft continuum robots (FSCRs) have great potential in biomedical applications due to their miniaturization and remote control capabilities. However, to direct the FSCR accurately and effectively, it is critical to realize inverse kinematics
Yangyang Ni   +5 more
doaj   +1 more source

Effect of Contact Pressure on the Performance of Carbon Nanotube Arrays Thermal Interface Material

open access: yesNanomaterials, 2018
Vertically aligned carbon nanotube (CNT) arrays are promising candidates for advanced thermal interface materials (TIMs) since they possess high mechanical compliance and high intrinsic thermal conductivity.
Yu Pei   +4 more
doaj   +1 more source

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