Results 101 to 110 of about 99,343 (303)

Adaptive Hydrogels With Spatiotemporal Stiffening Using pH‐Modulating Enzymes

Advanced Functional Materials, EarlyView.
The chemomechanical coupling in an adaptive hydrogel is studied to further the development of adaptive hydrogels. This coupling is achieved by embedding a pH‐modulating enzyme in a pH‐responsive hydrogel. The enzymatic reaction can be triggered locally, which generates a pH‐decreasing wave throughout the system, increasing the crosslinking density and ...
Natascha Gray, Zoe Grämiger, André R. Studart, Rafael Libanori   +3 more
wiley   +1 more source

Implantation accuracy of novel polyimide stereotactic electroencephalographic depth electrodes—a human cadaveric study

Frontiers in Medical Technology
IntroductionStereoelectroencephalography (sEEG) is a minimally invasive procedure that uses depth electrodes stereotactically implanted into brain structures to map the origin and propagation of seizures in epileptic patients.
Aura Kullmann, Farida Akberali, Jaime J. Van Gompel, Robert A. McGovern, W. Richard Marsh, Debra Kridner, Camilo A. Diaz-Botia, Michael C. Park, Michael C. Park   +8 more
doaj   +1 more source

Robust Polymer Hydrogels Improve Electric‐Fish‐Inspired Batteries

Advanced Functional Materials, EarlyView.
ABSTRACT Electric‐fish‐inspired hydrogel batteries based on ion‐concentration gradients offer an attractive route to soft power sources; however, the poor mechanical properties of existing hydrogels limit device assembly and performance. Here, we report poly(ethylene glycol) methyl ether acrylate hydrogels that enable ion‐gradient batteries composed of
Nick Zahnd, Satyajit Das, John Marc C. Puguan, Carolina Pierucci, Michael Mayer, Christoph Weder   +5 more
wiley   +1 more source

Validation of PiezoSleep Scoring Against EEG/EMG Sleep Scoring in Rats

Nature and Science of Sleep, 2022
Irina Topchiy,1,2,* Anne M Fink,1,2 Katherine A Maki,2,3 Michael W Calik1,2,* 1Center for Sleep and Health Research, University of Illinois Chicago, Chicago, IL, USA; 2Department of Biobehavioral Nursing Science; University of Illinois Chicago ...
Topchiy I, Fink AM, Maki KA, Calik MW
doaj  

Multi‐Scale Interface Engineering of MXenes for Multifunctional Sensory Systems

Advanced Functional Materials, EarlyView.
MXenes, as two‐dimensional transition metal carbides and nitrides, demonstrate remarkable capabilities for multifunctional sensing applications. This review systematically examines multi‐scale interface engineering approaches that enhance sensing performance, enable diverse detection functionalities, and improve system‐level compatibility in MXene ...
Jiaying Liao, Sin‐Yi Pang, Jianhua Hao
wiley   +1 more source

An improved implantable temporary pacemaker electrode

The Journal of Thoracic and Cardiovascular Surgery, 1974
A new temporary pacemaker electrode, which leaves no exposed areas of wire when implanted, has been designed for use in postoperative cardiac surgical patients. The device, tested in 28 patients who underwent open-heart surgery, has significantly reduced the increase in myocardial threshold to pacing that occurs with the commonly used electrode ...
A, Aris, R J, Flemma, A J, Tector, T, Schmahl, D, Lepley   +4 more
openaire   +2 more sources

Dual‐Programmable Architected Magnetic Soft Materials: Tuning Mechano–Electric Responses by Inverse Design

Advanced Functional Materials, EarlyView.
ABSTRACT Materials that can deform, sense, and autonomously generate power in response to wireless magnetic fields, through both magnetic‐actuated shape transformation and charge generation, are an emerging focus in advanced functional materials research.
Zhi Zhao, Xiaojia Shelly Zhang
wiley   +1 more source

Bioactive Conductive Ti3C2Tx‐Ce Hydrogel Facilitates Spinal Cord Injury Repair Through ROS Scavenging and Mitochondrial Regulation

Advanced Functional Materials, EarlyView.
Bioactive conductive Ti3C2Tx‐Ce hydrogels with with scavenging ROS and alleviating neuronal mitochondrial dysfunction are exploited for SCI treatment. This functionality is attributed to interfacial activation modification of Ti3C2Tx with Ce3+ ions to in‐situ form Ce(OH)x‐mediated protective layer, which is beneficial to enabling stable intracellular ...
Weikang Wang, Qing Liu, Ang Lv, Yabin Lin, Jiawei Chen, Ning Ding, Chunlei Zhang, Shuai Zhou, Bo Yuan, Weiwei Zhao, Liming Li, Luping Zhang, Fei Huang   +12 more
wiley   +1 more source

A Robust Method for Detecting Interdependences: Application to Intracranially Recorded EEG

, 1999
We present a measure for characterizing statistical relationships between two time sequences. In contrast to commonly used measures like cross-correlations, coherence and mutual information, the proposed measure is non-symmetric and provides information ...
C.E. Elger, Eckhorn, Farmer, Fraser, Fujisaka, Grassberger, J. Arnhold, K. Lehnertz, Kennel, Kocarev, Le Van Quyen, Le Van Quyen, Lehnertz, Lehnertz, Lehnertz, Lorenz, Martinerie, P. Grassberger, Pecora, Pikovsky, Pyragas, Rulkov, Sauer, Schiff, Theiler, Torcini   +25 more
core   +1 more source

Atomic Layer Deposition in Transistors and Monolithic 3D Integration

Advanced Functional Materials, EarlyView.
Transistors are fundamental building blocks of modern electronics. This review summarizes recent progress in atomic layer deposition (ALD) for the synthesis of two‐dimensional (2D) metal oxides and transition‐metal dichalcogenides (TMDCs), with particular emphasis on their enabling role in monolithic three‐dimensional (M3D) integration for next ...
Yue Liu, Taoyu Zou, Cheng‐Yan Xu, Liang Zhen, Yang Li, Yong‐Young Noh   +5 more
wiley   +1 more source