2篇
您的检索式：作者名="Beichen Zhu"
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| 1 | Stretchable and durable HD-sEMG electrodes for accurate recognition of swallowing activities on complex epidermal surfaces显示文摘Surface electromyography(sEMG)is widely used in monitoring human health.Nonetheless,it is challenging to capture high-fidelity sEMG recordings in regions with intricate curved surfaces such as the larynx,because regular sEMG electrodes have stiff structures.In this study,we developed a stretchable,high-density sEMG electrode array via layerby-layer printing and lamination.The electrode offered a series of excellent human‒machine interface features,including conformal adhesion to the skin,high electron-to-ion conductivity(and thus lower contact impedance),prolonged environmental adaptability to resist water evaporation,and epidermal biocompatibility.This made the electrode more appropriate than commercial electrodes for long-term wearable,high-fidelity sEMG recording devices at complicated skin interfaces.Systematic in vivo studies were used to investigate its ability to classify swallowing activities,which was accomplished with high accuracy by decoding the sEMG signals from the chin via integration with an ear-mounted wearable system and machine learning algorithms.The results demonstrated the clinical feasibility of the system for noninvasive and comfortable recognition of swallowing motions for comfortable dysphagia rehabilitation. | Ding Zhang Zhitao Chen Longya Xiao Beichen Zhu RuoXuan Wu ChengJian Ou Yi Ma Longhan Xie Hongjie Jiang | 2023 | Microsystems & Nanoengineering2023，9，5： | 0 |
| 2 | Surface Modification of Rice Husk Ash by Ethanol-assisted Milling to Reinforce the Properties of Natural Rubber/Butadiene Rubber Composites显示文摘Rice husk ash(RHA),obtained by pyrolysis of rice husks,can be used as a potential reinforcing filler for rubber composites.In this work,ball milling in ethanol(ethanol-assisted milling)was used to hydroxylate the surface of RHA,promoting the graft modification of bis-(γ-triethoxysilylpropyl)-tetrasulfide(Si69).The obtained modified RHA(RHA-EM-Si69)was filled into the natural rubber/butadiene rubber(NR/BR)composites,and the filler-rubber interactions were enhanced.In consequence,RHA-EM-Si69 filled NR/BR composites showed overall improvement in the mechanical properties compared with RHA filled NR/BR composites.The tear strength increased from 13.37 kN/m to 34.71 kN/m,and the tensile strength increased from 1.84 MPa to 7.75 MPa.Carbon black(N774)was also used for comparison under the same conditions.This method provides a potential for promoting the value of RHA in rubber industry. | CHEN Zhixiao QIAN Miaomiao LIU Chang XUE Beichen YULiyun ZHU Yanchao WANG Xiaofeng | 2021 | Chemical Research in Chinese Universities2021，37，3： | 0 |
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