- 作 者: ( "meizhen huang" OR "mei-zhen huang" )
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Ultra-high resolution particle size measurement based on scattering spectrum analysis—simulation and experimentOptics Express (IF 3.833) Pub Date : 2022-08-04 ,DOI:10.1364/oe.465146Zhihui Wang, Tianyuan Liu, Xinna Yu, Lili Kong, and Meizhen HuangShanghai Jiao Tong University
This paper focuses on the properties of light scattering spectra from a spherical particle and their application for particle size measurement. The influence of particle size and scattering angle on the scattering spectra are investigated and simulated. An ultra-resolution particle dimension measurement method was proposed based on detecting the peak of scattering spectra. An accurate spectral peak
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The crosstalk fluorescence spectroscopy analysis principle and an accurate fluorescence quantitative method for multi-composition fluorescence substancesSpectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy (IF 4.831) Pub Date : 2022-06-07 ,DOI:10.1016/j.saa.2022.121472Yuchao Fu, Tianyuan Liu, Zhen Zhang, Haochen Li, Wanxiang Li, Meizhen HuangFluorescence quantitative analysis methods are extensively used in biomedicine inspection, petrochemical industry, environmental monitoring, and many other fields in the past decades. When the analyte is composed of multiple compositions, the accuracy of the conventional method declines significantly due to the fluorescence spectral crosstalk. In this research, the interactions between the light and ...
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Structural and passive mechanical properties of the medial gastrocnemius muscle in ambulatory individuals with chronic strokeClinical Biomechanics (IF 2.034) Pub Date : 2022-05-16 ,DOI:10.1016/j.clinbiomech.2022.105672Meizhen Huang, Tiev Miller, Siu Ngor Fu, Michael T.C. Ying, Marco Y.C. PangBackground This study aimed to investigate the structural, morphological and passive mechanical properties of the medial gastrocnemius muscle among ambulating chronic stroke survivors using a computational model previously established in healthy individuals without stroke. Methods Individuals with chronic stroke (n = 14, age = 63.4 ± 6.0 years) and healthy controls (n = 15, age = 59.6 ± 8.4 years) ...
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Coherent Heterostructure Mesh Grown by Gap-Filling Epitaxial Chemical Vapor DepositionChemistry of Materials (IF 10.508) Pub Date : 2022-05-13 ,DOI:10.1021/acs.chemmater.2c00855Hongwei Liu, Zhenjing Liu, Xiangbin Cai, Hoilun Wong, Meizhen Huang, Mohammadreza Amjadian, Jun Wang, Mohsen Tamtaji, Jingwei Li, Ting Kang, Tsz Wing Tang, Yuting Cai, Mengyang Xu, Kenan Zhang, Tao Xu, Mengjia Xu, Xudong Sun, Guojie Chen, Zhaoli Gao, Ning Wang, Zhengtang LuoDepartment of Chemical and Biological Engineering, Guangdong-Hong Kong-Macao Joint Laboratory for Intelligent Micro-Nano Optoelectronic Technology, William Mong Institute of Nano Science and Technology, and Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong KongLateral superlattices have been a research focus due to the strain induced in their coherent structure, while the growth of a large size heterostructure with high density of heterointerfaces remains challenging. In this work, we report a gap-filling approach to synthesize large-scale lateral mesh heterostructures of WS2 embedded in a MoS2 matrix. This synthesis method utilizes the uniformly distributed ...
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Identifying the origins of Tianhuang stones based on Raman spectroscopy and pattern recognition algorithmsLaser Physics (IF 1.38) Pub Date : 2022-03-30 ,DOI:10.1088/1555-6611/ac5b77Tianyuan Liu, Lili Kong, Lulu Lin, Huidi Xu, Zhengyu Zhou, Meizhen HuangIn this paper, a non-destructive and efficient method for identifying gemstones of the same species based on Raman spectroscopy and pattern recognition algorithms was developed. Tianhuang stones from different origins (Shoushan (SS), Changhua (CH), and Laos (LA)) with similar composition and structure were investigated and analyzed. Raman spectra were collected by a self-developed portable Raman spectrometer ...
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The influence of running shoes on familiarization time for treadmill running biomechanics evaluationSports Biomechanics (IF 2.896) Pub Date : 2022-03-02 ,DOI:10.1080/14763141.2022.2046144Meizhen Huang, Shiwei Mo, Peter Pak-Kwan Chan, Zoe Y.S. Chan, Janet H. Zhang-Lea, Roy T.H. CheungABSTRACT This study investigated treadmill familiarisation time in different shoe conditions by comparing lower limb consecutive kinematics waveforms using a trend symmetry method to calculate trend symmetry index, range amplitude ratio and range offset. Eighteen young adults (26.6 ± 3.3 years, 7 females) completed three 10-minute running trials at their preferred running speed (2.30 ± 0.17 m/s) on ...
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High sensitivity and wide range chlorophyll-a determination by simultaneous measurement of absorbance and fluorescence using a linear CCDSpectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy (IF 4.831) Pub Date : 2021-12-30 ,DOI:10.1016/j.saa.2021.120831Wanxiang Li, Tianyuan Liu, Yuchao Fu, Meizhen HuangDepartment of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.In the determination of chlorophyll with the fluorescence method in the natural water, the suspended particles and colloids will seriously interfere with the incident light and the fluorescence. Based on the analysis of the interaction between light and the measured substances, a high sensitivity, wide range of chlorophyll-a concentration measurement strategy, which combines optical information of ...
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Effect of Stretching of Spastic Elbow Under Intelligent Control in Chronic Stroke Survivors-A Pilot Study.Frontiers in Neurology (IF 4.086) Pub Date : 2021-12-14 ,DOI:10.3389/fneur.2021.742260Sanjana Rao,Meizhen Huang,Sun Gun Chung,Li-Qun Zhang
Objective: To assess the short-term effects of strenuous dynamic stretching of the elbow joint using an intelligent stretching device in chronic spastic stroke survivors. Methods: The intelligent stretching device was utilized to provide a single session of intensive stretching to the spastic elbow joint in the sagittal plane (i.e., elbow flexion and extension). The stretching was provided to the extreme
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Intensive In-Bed Sensorimotor Rehabilitation of Early Subacute Stroke Survivors With Severe Hemiplegia Using a Wearable Robot.IEEE Transactions on Neural Systems and Rehabilitation Engineering (IF 4.528) Pub Date : 2021-11-04 ,DOI:10.1109/tnsre.2021.3121204Chunyang Zhang,Mei Zhen Huang,Glenn J Kehs,Robynne G Braun,John W Cole,Li-Qun ZhangRehabilitation for stroke survivors with severe motor impairment remains challenging. Early motor rehabilitation is critical for improving mobility function post stroke, but it is often delayed due to limited resources in clinical practice. The objectives of this study were to investigate the feasibility and effectiveness of early in-bed sensorimotor rehabilitation on acute stroke survivors with severe ...
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Two-step spatially offset Raman spectroscopy technique for rapid and non-invasive detection of drugs in containers—simulation and experimentLaser Physics Letters (IF 1.704) Pub Date : 2021-10-26 ,DOI:10.1088/1612-202x/ac2eebChaoyi Zhang, Meizhen Huang, Lili KongSpatially offset Raman spectroscopy (SORS) provides a new powerful method for non-invasive detecting of the substance in containers. However, it takes a long time to collect spectra at different offset distances and needs multivariate analysis, which is not suitable for rapid on-site detection. In this paper, a rapid two-step SORS detection method based on the Raman scattering photons transmission ...
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Intensive In-Bed Sensorimotor Rehabilitation of Early Subacute Stroke Survivors With Severe Hemiplegia Using a Wearable RobotIEEE Transactions on Neural Systems and Rehabilitation Engineering (IF 4.528) Pub Date : 2021-10-19 ,DOI:10.1109/tnsre.2021.3121204Chunyang Zhang, Mei Zhen Huang, Glenn J. Kehs, Robynne G. Braun, John W. Cole, Li-Qun ZhangRehabilitation for stroke survivors with severe motor impairment remains challenging. Early motor rehabilitation is critical for improving mobility function post stroke, but it is often delayed due to limited resources in clinical practice. The objectives of this study were to investigate the feasibility and effectiveness of early in-bed sensorimotor rehabilitation on acute stroke survivors with severe ...
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High-precision and on-line measurement of dissolved organic matter in Electro-Fenton process based on dual wavelength analysis with combination of fluorescence emission and ultraviolet absorption spectroscopyAnalytica Chimica Acta (IF 6.911) Pub Date : 2021-08-04 ,DOI:10.1016/j.aca.2021.338904Yuchao Fu, Wanxiang Li, Haochen Li, Meizhen HuangDepartment of Instrument Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China.Electro-Fenton (EF) process is a significant water treatment method for the degradation of dissolved organic matter (DOM) in water and has been widely studied and applied in the past decade to degrade various dissolved organics. During water treatment, in order to monitor the degradation efficiency, it is in dire need to develop rapid and accurate methods that are favorable to assay on-line and on-site ...
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GO/Au@Ag nanobones decorated membrane for simultaneous enrichment and on-site SERS detection of colorants in beveragesSensors and Actuators B: Chemical (IF 9.221) Pub Date : 2021-05-25 ,DOI:10.1016/j.snb.2021.130163Lili Kong, Jie Chen, Meizhen HuangIn this paper, we have developed a graphene oxide/Au@Ag nanobones membrane (GO/Au@Ag NBs membrane) for simultaneous enrichment and SERS detection of colorants in beverages. Raman enhancement effect of Au@Ag nanobones (NBs) and enrichment capability of graphene oxide (GO) are contributed to the high sensitivity of GO/Au@Ag NBs membrane. Microporous membrane provides a support template for uniformly ...
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In-bed sensorimotor rehabilitation in early and late subacute stroke using a wearable elbow robot: a pilot studyFrontiers in Human Neuroscience (IF 3.473) Pub Date : 2021-04-13 ,DOI:10.3389/fnhum.2021.669059Mei Zhen Huang, Yong-Soon Yoon, Jisu Yang, Chung-Yong Yang, Li-Qun Zhang
Objects: To evaluate the feasibility and effectiveness of in-bed wearable elbow robot training for motor recovery in patients with early and late subacute stroke. Methods: Eleven in-patient stroke survivors (men/women: 7/4, age: 50.7±10.6 years, post-stroke duration: 2.6±1.9 months received 15 sessions of training over about 4 weeks of hospital stay. During each hourly training, participants received
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Simultaneous acquisition of near infrared image of hand vein and pulse for liveness dorsal hand vein identificationInfrared Physics & Technology (IF 2.997) Pub Date : 2021-02-19 ,DOI:10.1016/j.infrared.2021.103688Xiulian Chen, Meizhen Huang, Yuchao FuIn this paper, a living dorsal hand vein identification method based on acquisition near infrared image of dorsal hand vein and pulse at the same time and recognition algorithm is proposed. An experimental prototype device is designed and built with 850 nm LEDs and a CCD camera, which realizes the simultaneous acquisition of dorsal hand vein and finger pulse information. Then, the characteristics and ...
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Spatial intensity distribution model of fluorescence emission considering the spatial attenuation effect of excitation lightOptics Express (IF 3.833) Pub Date : 2021-02-16 ,DOI:10.1364/oe.416452Yuchao Fu, Meizhen Huang, and Wanxiang Li
The fluorescence quantitative analysis method of a solution is widely applied in chemical analysis, clinical medicine testing, environmental monitoring, food safety detection, and so on. It is based on the linear relationship between the intensity of fluorescence emission and the concentration of the substance in solution. Without consideration of the spatial attenuation effect of excitation light
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Fingertip capillary dynamic near infrared spectrum (DNIRS) measurement combined with multivariate linear modification algorithm for noninvasive blood glucose monitoringVibrational Spectroscopy (IF 2.382) Pub Date : 2021-02-01 ,DOI:10.1016/j.vibspec.2021.103223Yuchao Fu, Meizhen Huang, Xiulian ChenBlood glucose continuous monitoring (GCM) plays a crucial role in prevention and diagnosis of diabetes. A noninvasive CGM method based on fingertip capillary Dynamic Near Infrared Spectrum (DNIRS) combined with multivariate linear modification algorithm was proposed in this study. In order to control the environmental variables and physicochemical parameters during spectral data acquisition, a Fingertip ...
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Development of cellulose Nanofiber-based substrates for rapid detection of ferbam in kale by Surface-enhanced Raman spectroscopyFood Chemistry (IF 9.231) Pub Date : 2021-01-09 ,DOI:10.1016/j.foodchem.2021.129023Lin Sun, Zhilong Yu, Fouad K. Alsammarraie, Min-Hui Lin, Fanbin Kong, Meizhen Huang, Mengshi LinThis study developed a novel surface-enhanced Raman spectroscopy (SERS) method coupled with cellulose nanofiber (CNF)-based SERS wipers that were fabricated on quartz papers coated with a mixture of silver nanoparticle (AgNP) and gold nanostar (AuNS). A “drop-wipe-test” protocol was developed for rapid detection of pesticide residues in vegetables by SERS. Tremendously enhanced Raman scattering signals ...
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How do training experience and geographical origin of a runner affect running biomechanics?Gait & Posture (IF 2.746) Pub Date : 2020-12-08 ,DOI:10.1016/j.gaitpost.2020.12.003Janet H. Zhang, Zoe Y.S. Chan, Fannie O.Y. Lau, Meizhen Huang, Alex C. Wang, Shuotong Wang, Ivan P.H. Au, Sizhong Wang, Ben M.F. Lam, Winko W. An, Roy T.H. CheungBackground Several studies compared African runners with runners from other places with difference ethnicities to identify biomechanical factors that may contribute to their extraordinary running performance. However, most studies only assessed runners at the elite level. Whether the performance difference was a result of nature or nurture remains unclear. Research questions This case study aimed to ...
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Flexible Ag/Nanocellulose fibers SERS substrate and its applications for in-situ hazardous residues detection on foodApplied Surface Science (IF 7.392) Pub Date : 2020-12-01 ,DOI:10.1016/j.apsusc.2020.147454Jie Chen, Meizhen Huang, Lili KongAbstract In this work, we have developed a sensitive, flexible, cost-effective Ag/Nanocellulose fibers SERS substrate (Ag@NCF substrate) which is suitable for in-situ food safety detection. NCFs build nanoporous networks as flexible templates. Ag nanoparticles time-efficiently, in-situ grow on the cross fibers, forming sensitive Ag clusters, providing a high density of ‘hot-spot’, further resulting ...
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Ultraviolet photodetector based on the hybrid graphene/phosphor field-effect transistorOptical Materials (IF 3.754) Pub Date : 2020-11-01 ,DOI:10.1016/j.optmat.2020.110439Hao Li, Shubin Su, Chenhui Liang, Meizhen Huang, Xiang Ma, Guanghui Yu, Haihua TaoAbstract Recently, a hybrid graphene/poly-BrNpA phosphor structure was used to fabricate rewritable p-n junction photodiode responsive to visible light. In this process, photoisomerization occurred under moderate ultraviolet (UV) irradiation (λ = 365 nm, optical intensity IUV = 1.318 μW μm−2), and the subsequent water (H2O) molecule adsorption facilitate charge transfer at the interface. In this study ...
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Interaction effects and superconductivity signatures in twisted double-bilayer WSe2.Nanoscale Horizons (IF 11.684) Pub Date : 2020-07-17 ,DOI:10.1039/d0nh00248hLiheng An,Xiangbin Cai,Ding Pei,Meizhen Huang,Zefei Wu,Zishu Zhou,Jiangxiazi Lin,Zhehan Ying,Ziqing Ye,Xuemeng Feng,Ruiyan Gao,Cephise Cacho,Matthew Watson,Yulin Chen,Ning WangDepartment of Physics, Center for Quantum Materials and Willian Mong Institute of Nano Science and Technology, the Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China.
Twisted bilayer graphene provides a new two-dimensional platform for studying electron interaction phenomena and flat band properties such as correlated insulator transition, superconductivity and ferromagnetism at certain magic angles. Here, we present experimental characterization of interaction effects and superconductivity signatures in p-type twisted double-bilayer WSe2. Enhanced interlayer interactions
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Fabrication of sensitive silver-decorated cotton swabs for SERS quantitative detection of mixed pesticide residues in bitter gourdsNew Journal of Chemistry (IF 3.925) Pub Date : 2020-07-03 ,DOI:10.1039/d0nj02054kLili Kong, Meizhen Huang, Jie Chen, Mengshi LinThis study developed a simple, efficient and environmentally friendly fabrication method for surface-enhanced Raman spectroscopy (SERS) wipers for the rapid detection of individual and mixed pesticide residues in real samples. Non-toxic NaCl was used to overcome the electrostatic repulsion between cotton swabs and AgNPs in the decorating process. Cotton swabs containing NaCl molecules were immersed ...
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The effect of support surface and footwear condition on postural sway and lower limb muscle action of the older women.PLOS ONE (IF 3.752) Pub Date : 2020-06-03 ,DOI:10.1371/journal.pone.0234140Meizhen Huang,Kit-Lun Yick,Sun-Pui Ng,Joanne Yip,Roy Tsz-Hei Cheung
Background Diminished somatosensory function is a critical age-related change which is related to postural instability in the older population. Footwear is a cost-effective way to modulate the postural stability by altering sensorimotor inputs via mechanoreceptors on the plantar surface of the feet. Compared to insoles with indentions in the entire surface, we innovatively developed a textured insole
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In situ detection of thiram in fruits and vegetables by colorimetry/surface-enhanced Raman spectroscopyLaser Physics (IF 1.38) Pub Date : 2020-05-21 ,DOI:10.1088/1555-6611/ab881eLili Kong, Meizhen Huang, Jie Chen and Mengshi LinIn this study, a rapid, stable, and sensitive colorimetric/surface-enhanced Raman spectroscopy (SERS) method was developed based on a polyvinyl alcohol‐decorated Au nanoparticle (PVA–Au) colloid for the in situ detection of thiram residues in fruits and vegetables. The PVA–Au colloid acted as both a colorimetric and SERS sensor. The colorimetric detection of thiram is based on the color change and ...
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Whole-body vibration modulates leg muscle reflex and blood perfusion among people with chronic stroke: a randomized controlled crossover trial.Scientific Reports (IF 4.996) Pub Date : 2020-01-30 ,DOI:10.1038/s41598-020-58479-5Meizhen Huang,Tiev Miller,Michael Ying,Marco Y C Pang
This study aimed to investigate the acute effect of whole-body vibration (WBV) on the reflex and non-reflex components of spastic hypertonia and intramuscular blood perfusion among individuals with chronic stroke. Thirty-six people with chronic stroke (age: 61.4 ± 6.9 years) participated in this randomized controlled cross-over study. Each participant underwent two testing conditions: static standing
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High accuracy determination of copper in copper concentrate with double genetic algorithm and partial least square in laser-induced breakdown spectroscopy.Optics Express (IF 3.833) Pub Date : 2020-01-20 ,DOI:10.1364/oe.381582Haochen Li,Meizhen Huang,Huidi XuThere are many challenges in the determination of elements in complex matrix such as soil, coal and minerals by laser induced breakdown spectroscopy (LIBS) method. Due to the influence of matrix effect, instability of laser plasma and fluctuation of laser parameters, the repeatability and accuracy of quantitative results are always not satisfactory. In order to improve the accuracy, high-energy laser ...
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UV Rewritable Hybrid Graphene/Phosphor p–n Junction PhotodiodeACS Applied Materials & Interfaces (IF 10.383) Pub Date : 2019-11-08 ,DOI:10.1021/acsami.9b14461Hao Li,Shubin Su,Chenhui Liang,Ting Zhang,Xuhong An,Meizhen Huang,Haihua Tao,Xiang Ma,Zhenhua Ni,He Tian,Xianfeng ChenGraphene-based p–n junction photodiodes have a potential application prospect in photodetection due to their broadband spectral response, large operating bandwidth, and mechanical flexibility. Here, we report an ultraviolet (UV) rewritable p–n junction photodiode in a configuration of graphene coated with an amorphous phosphor of 4-bromo-1,8-naphthalic anhydride derivative polymer (poly-BrNpA). Under ...
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High precision wide range online chemical oxygen demand measurement method based on ultraviolet absorption spectroscopy and full-spectrum data analysisSensors and Actuators B: Chemical (IF 9.221) Pub Date : 2019-08-11 ,DOI:10.1016/j.snb.2019.126943Chenxi Wang,Wanxiang Li,Meizhen HuangIn this paper, a new method for high precision and wide range measurement of chemical oxygen demand (COD) based on ultraviolet absorption spectroscopy without reagent is proposed. The reasons for limiting measurement range and the main factors affecting the measurement accuracy are analyzed. A novel method of selecting different calibration wavelengths according to COD value to expand the measurement ...
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Detection and quantification of carbendazim in Oolong tea by surface-enhanced Raman spectroscopy and gold nanoparticle substratesFood Chemistry (IF 9.231) Pub Date : 2019-04-25 ,DOI:10.1016/j.foodchem.2019.04.085Xi Chen,Mengshi Lin,Lin Sun,Taotao Xu,Keqiang Lai,Meizhen Huang,Hetong LinThe contamination of pesticide residues in Oolong tea has raised much concern in recent years. The objective of this study was to synthesize gold nanoparticles (AuNPs) and develop surface-enhanced Raman spectroscopy (SERS) methods for detection and quantification of pesticides in Oolong tea. Facile synthesis of spherical and monodispersed AuNPs with an average diameter of 15 nm was achieved, which ...
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