Results 131 to 140 of about 189,870 (274)

Hydrogel microwells with customizable bottom design: A one‐step approach to spheroid formation

The Canadian Journal of Chemical Engineering, EarlyView.
Abstract Conical microwells featuring a variety of bottom‐shape features have received increased recognition because of their enhanced surface characteristics that improve the in vitro‐in vivo correlation in a wide range of biological applications, such as in three‐dimensional cell culture models, specifically cell spheroidal formation, and drug ...
Ahmad A. Manzoor, Omar M. Rahman, Roberto Tarantino, Peter Zastawny, Stephen D. Waldman, Dae Kun Hwang   +5 more
wiley   +1 more source

High‐Precision, Low‐Threshold Neuromodulation With Ultraflexible Electrode Arrays for Brain‐to‐Brain Interfaces

Exploration, EarlyView.
Traditional neuromodulation using rigid electrodes has been limited by low precision, large stimulating currents, and the risk of tissue damage. In this work, we developed a biocompatible flexible electrode array that allows for both neural recording of spike firings and high‐precision, low‐threshold stimulation for neuromodulation.
Yifei Ye, Ye Tian, Haifeng Liu, Jiaxuan Liu, Cunkai Zhou, Chengjian Xu, Ting Zhou, Yanyan Nie, Yu Wu, Lunming Qin, Zhitao Zhou, Xiaoling Wei, Jianlong Zhao, Zhenyu Wang, Meng Li, Tiger H. Tao, Liuyang Sun   +16 more
wiley   +1 more source

Synergistic precision microfabrication enabling high‐performance multiplexed ceramic MEMS gas sensor arrays with pulse temperature modulation functionality

FlexMat, EarlyView.
Abstract Gas sensing in complex environments requires advanced technologies that overcome the limitations of traditional semiconductor, electrochemical, and optical sensors. This paper presents an integrated micro‐manufacturing platform that combines UV lithography, laser etching, and micro‐spray deposition to fabricate multiplexed ceramic ...
Yuxin Zhao, Jianxiu Guo, Ming Lei, Heng Yang, Hongze Jiang, Juan Wang, Shunping Zhang   +6 more
wiley   +1 more source

Multi‐Mode Triboelectric Nanogenerator for Football Impact Monitoring and Mechanical Energy Harvesting

ChemistryOpen, EarlyView.
A multi‐mode triboelectric nanogenerator (M‐TENG) is developed to enhance football monitoring by integrating energy harvesting and trigger‐based sensing. With switchable internal electrodes, it achieves optimized electrical performance (Qsc: 88.38 nC, Isc: 8.58 μA, Voc: 85.91 V) and stable output over 60 days.
Xi Chen, Xiaolong Yu
wiley   +1 more source

Quantum Depletion of Superconductivity in 3D Diamond Nanowires

Advanced Quantum Technologies, EarlyView.
Heavily boron‐doped polycrystalline diamond nanowires demonstrate an exotic resistive state that alters the trend of the superconducting transition. This reentrant resistive state manifests itself as a peak in the current dependence of voltage and a negative magnetoresistance peak. This suggests that cross‐sectional grain boundaries can promote quantum‐
Gufei Zhang, Simon Collienne, Ramiz Zulkharnay, Xiaoxing Ke, Liwang Liu, Songyu Li, Sen Zhang, Yongzhe Zhang, Yejun Li, N. Asger Mortensen, Victor V. Moshchalkov, Jiaqi Zhu, Alejandro V. Silhanek, Paul W. May   +13 more
wiley   +1 more source

Novel High‐Throughput Electrochemical Detection of Staphylococcus Aureus, Bacillus Cereus, or Micrococcus Luteus Using AuNPs@Ti3C2Tz Functionalized with Sandwich Peptides

Small, EarlyView.
This study develops an electrochemical biosensor platform using 16‐channel gold disk electrodes (16‐GDEs) and an AuNPs@Ti3C2Tz for detecting gram‐positive bacteria like Staphylococcus aureus, Bacillus cereus, and Micrococcus luteus. The platform enables a sensitive, high‐throughput method in environmental samples, with no cross‐reactivity. It serves as
JaeHwan Park, My−Van Tieu, Thi Xoan Hoang, Duc−Trung Pham, Sungho Park, Phu Chi Vu, Hieu Man Tran, Sungbo Cho   +7 more
wiley   +1 more source

Design, Fabrication and Characterization of a Piezoelectric Microgenerator Including a Power Management Circuit [PDF]

, 2007
We report in this paper the design, fabrication and experimental characterization of a piezoelectric MEMS microgenerator. This device scavenges the energy of ambient mechanical vibrations characterized by frequencies in the range of 1 kHz. This component
Ammar, Y., Basrour, S., Marzencki, M.
core   +3 more sources

Aerosol Printing of 3D Conductive Microstructures via Precision Dot Modulation

Small, EarlyView.
A fully integrated aerosol printing system is developed featuring an enhanced printhead, high‐performance pneumatic shuttering, precise dot control, advanced software, and optimized material processes for accurate deposition of functional materials with tunable dot sizes.
Md. Abu Mosa, Jeong Yeop Jo, Sang‐Hyeon Park, Kye‐Si Kwon   +3 more
wiley   +1 more source

A suspended microchannel with integrated temperature sensors for high-pressure flow studies [PDF]

, 1998
A freestanding microchannel, with integrated temperature sensors, has been developed for high-pressure flow studies. These microchannels are approximately 20μm x 2μm x 4400μm, and are suspended above 80 μm deep cavities, bulk micromachined using BrF3 dry
Ho, C. M., Mai, J., Tai, Y. C., Wu, S., Zohar, Y.   +4 more
core  

Picoliter‐Volume Isothermal Titration Calorimetry Using Parylene Chip Calorimeter Integrated with on‐Demand Droplet Microfluidics

Small, EarlyView.
A parylene chip calorimeter integrated with on‐demand droplet microfluidics enables on‐chip isothermal titration calorimetry (ITC) using picoliter‐volume droplets. This platform quantifies thermodynamic parameters of the 18‐crown‐6 and barium chloride binding system with high power resolution, while dramatically reducing sample consumption, analysis ...
Minho Chae, Sung Min Nam, Sumin Seo, Yo‐han Choi, Hyeju Yang, Jiwoo Kim, Bum‐Joon Jung, Wonhee Lee   +7 more
wiley   +1 more source