Results 211 to 220 of about 173,658,569 (246)

Scalable Fabrication of Thermally Reconfigurable Ge Metasurfaces Using Stencil Lithography for Mid‐Infrared Molecular Fingerprinting

Advanced Functional Materials, EarlyView.
Scalable stencil lithography enables resist‐free fabrication of high‐index Ge metasurfaces for mid‐infrared molecular fingerprinting. Reversible thermo‐optic tuning provides post‐fabrication spectral control for precise resonance–vibration mode alignment, enabling enhanced molecular fingerprinting of microplastic particles.
Shovasis Kumar Biswas, Samir Rosas, Wihan Adi, Aidana Beisenova, Vaishakh Unnikrishnan, Furkan Kuruoglu, Filiz Yesilkoy   +6 more
wiley   +1 more source

Architectural Tuning of Bouligand Electrospun Laminates Enables Coupled Mechanical Robustness and Electromechanical Sensing

Advanced Functional Materials, EarlyView.
Bioinspired Bouligand architectures are translated into biodegradable polymer laminates with integrated sensing, revealing how structural design governs multifunctional performance. A 20° interlayer rotation optimizes strength, flexibility, and electromechanical response, while embedded nanotube networks enable real‐time damage detection and wearable ...
Piotr K. Szewczyk, Daniel P. Ura, Michał Kopacz, Katarzyna Marszalik, Urszula Stachewicz   +4 more
wiley   +1 more source

NeuroVisio SyncPatch: A Skin‐Conformal Multimodal EMG–Motion Sensing Platform for Quantitative Neuromuscular Rehabilitation and Performance Monitoring

Advanced Healthcare Materials, EarlyView.
NeuroVisio SyncPatch integrates skin‐conformal electromyography (EMG) electrodes with camera‐tracked markers to jointly assess muscle activity and three‐dimensional knee kinematics during rehabilitation. Parallel feedback pathways provide real‐time kinematic guidance during movement and post‐trial neuromuscular feedback.
Bohyung Choi, Yoo‐Jin Jun, Heewon Choee, Kun‐Do Lee, Heesoo Kim, Yu Seok Hwang, Choong Yeon Kim, Seongok Chae, Juhyun Lee, Minkyu Je, Jae‐Woong Jeong, Hyung‐Soon Park   +11 more
wiley   +1 more source

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Endless Fluctuations: Temporal Dynamics of the Amplitude of Low Frequency Fluctuations

IEEE Transactions on Medical Imaging, 2019
Intrinsic neural activity ubiquitously persists in all physiological states. However, how intrinsic brain activity (iBA) changes over a short time remains unknown. To uncover the brain dynamics' theoretic underpinning, electrophysiological relevance, and neuromodulation, we identified iBA dynamics on simulated data, electroencephalogram-functional ...
Liyuan Li, Wei Liao, Xujun Duan
exaly   +4 more sources

Abnormal fractional Amplitude of Low-Frequency Fluctuation in chronic ketamine users

Psychiatry Research: Neuroimaging, 2022
Ketamine has become a major substance of abuse worldwide. Nevertheless, The long-term effects of ketamine use on intrinsic spontaneous neural activity remain unknown.In the present study, rs-fMRI was used to explore whether chronic ketamine use changes the intrinsic spontaneous neural activity, and whether the intrinsic spontaneous neural activity ...
Jun, Zhong, Huawang, Wu, Fengchun, Wu, Hongbo, He, Zhaohua, Zhang, Jiaxin, Huang, Penghui, Cao, Ni, Fan   +7 more
openaire   +2 more sources

Fractional Amplitude of Low-Frequency Fluctuations (fALFF) in Post-Stroke Depression

NeuroImage: Clinical, 2017
Depression is a common outcome following stroke, associated with reduced quality of life and poorer recovery. Despite attempts to associate depression symptoms with specific lesion sites, the neural basis of post-stroke depression remains poorly understood.
Toby B. Cumming, Amy Brodtmann, Natalia Egorova   +2 more
exaly   +5 more sources

On the loudness of low-frequency sounds with fluctuating amplitudes

The Journal of the Acoustical Society of America, 2019
Some environmental sounds have strong amplitude fluctuations that may affect their perceived loudness and annoyance. This study assessed the effect of beat rate (fb) and center frequency (fc) on the loudness of low-frequency beating tones. The loudness of two-tone complexes (TTCs) with fc = 40, 63, 80, and 1000 Hz was matched with that of unmodulated ...
Carlos, Jurado, Darío, Gordillo, Brian C J, Moore   +2 more
openaire   +2 more sources

Alterations of the amplitude of low-frequency fluctuations in anxiety in Parkinson’s disease

Neuroscience Letters, 2018
Anxiety disorders are very common in Parkinson's disease (PD), but neural mechanisms underlying these symptoms still remain elusive. In the present study, we aim to investigate the neural substrates in anxiety disorders in PD.The present study comprised 48 PD patients and 19 healthy subjects. According to a Hamilton Anxiety Rating Scale cutoff score of
Xixi, Wang, Junyi, Li, Min, Wang, Yongsheng, Yuan, Lin, Zhu, Yuting, Shen, Hui, Zhang, Kezhong, Zhang   +7 more
openaire   +2 more sources

Frequency-Dependent Amplitude Alterations of Resting-State Spontaneous Fluctuations in Idiopathic Generalized Epilepsy

Epilepsy Research, 2014
Purpose: Amplitude of low-frequency fluctuation (ALFF) of blood-oxygenation level-dependent (BOLD) has proven a promising way to detect disease-related local brain activity.
Jianfeng Feng, Wei Liao, Qiang Xu
exaly   +2 more sources

Frequency-dependent alterations in the amplitude of low-frequency fluctuations in social anxiety disorder

Journal of Affective Disorders, 2015
Recent studies on resting-state functional magnetic resonance imaging (fMRI) have found an abnormal temporal correlation between low-frequency oscillations (LFO) in social anxiety disorder (SAD). However, alterations in the amplitudes of these LFO remain unclear.This study included 20 SAD patients and 20 age-, gender-, and education-matched healthy ...
Youxue Zhang, Chunyan Zhu, Heng Chen, Xujun Duan, Fengmei Lu, Meiling Li, Feng Liu, Xujing Ma, Yifeng Wang, Ling Zeng, Wei Zhang, Huafu Chen   +11 more
openaire   +2 more sources