Meng Wu

Zhejiang University of Technology

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Jun Hu

East China Jiaotong University

Jianming Yu

Iowa State University

Zhiliang Yu

Zhejiang University of Technology

Yicheng Ye

Southern Medical University

Jie‐Hua Shi

Zhejiang University of Technology

Qihu Wang

Shanghai Institute of Technology

Chong Da Lu

Zhejiang University of Technology

Shao‐Liang Jiang

University of Electronic Science and Technology of China

Jianmeng Chen

Zhejiang University of Science and Technology

Yuwei Tang

Tianjin University

Cooperative Institutions

Zhejiang University of Technology

Wuhan University of Science and Technology

Chinese Academy of Sciences

Shanghai Jiao Tong University

Nanjing Agricultural University

Nanjing University of Science and Technology

Chinese Academy of Medical Sciences & Peking Union Medical College

Chongqing Medical University

Wuhan University

Zhejiang University

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Enzyme-electrolytic degradation of dichloromethane: Efficiency, kinetics and mechanism

Journal of Environmental Sciences (2019)

Jianming Yu Meng Wu Yuwei Tang Jiaqi Shi Jun Hu

Dichloromethane

Dehalogenase

Degradation

10.1016/j.jes.2019.05.029

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Citations (4)

Investigation of microseismic signal denoising using an improved wavelet adaptive thresholding method

Scientific Reports (2022)

Zhen Zhang Yicheng Ye Binyu Luo Chen Guan Meng Wu

Abstract There are high- and low-frequency noise signals in a microseismic signal that can lead to the distortion and submersion of an effective waveform. At present, effectively removing high- and low-frequency noise without losing the effective signal of local waveform spikes remains a challenge. This work addresses this issue with an improved wavelet adaptive thresholding method. Because a denoised signal conceptually approximates the minimum error, a dynamic selection model is established for the optimal threshold. On this basis, an adaptive correction factor a j is proposed to reflect the noise intensity, which uses the 1/2 power of the ratio of the median absolute value to the amplitude of the monitoring data to reflect the noise intensity of the wavelet detail signal and corrects the size of the denoising scale. Finally, the performance of the improved method is quantitatively evaluated in terms of the denoising quality and efficiency using the signal-to-noise ratio, root-mean-square error, sample entropy and running time.

Microseism

SIGNAL (programming language)

10.1038/s41598-022-26576-2

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Citations (7)

Experimental Study on Magnetorheological (MR) Jet Polishing of Mould Free Surface

Key engineering materials (2012)

Chong Da Lu Meng Wu Dong Hui Wen Guozhong Chai

This paper attempts to use a kind of smart material-magnetorheological fluid and magnetorheological jet polishing method to polish mould. Use self-preparation MR fluid conduct experiments on MR jet polishing setup which developed by ourselves. After polished by MR jet, surface roughness of the mould improved from 812nm to 88nm. The result shows that experiment and its setup are feasible.

10.4028/scientific5/kem.500.287

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Assessment on binding characteristics of ethiprole and a model protein bovine serum albumin (BSA) through various spectroscopic techniques integrated with computer simulation

Journal of Biomolecular Structure and Dynamics (2022)

Shao‐Liang Jiang Lu Hu Meng Wu Li Li Jie‐Hua Shi

To investigate the binding characteristics of pesticide ethiprole (ETP) with serum albumin is of great significance for pathological analysis of pesticide poisoning, gene mutation, and clinical detection. In present work, the binding characteristics of ETP with a model protein BSA has been estimated by means of multi-spectroscopic approaches integrated with computer simulation. The outcomes testified that the intrinsic fluorescence of BSA was mainly quenched by ETP in a static quenching mode and the stable ETP-BSA complex with the stoichiometry of 1:1 and the binding constant of 6.81 × 103 M-1 (298 K) was produced. The outcomes revealed that ETP combined preferentially to the subdomain IIA (Site I) of BSA and caused the decline in the content of α-helix of BSA and the enhancement in the hydrophobicity of environment centered on Trp residues. The outcomes of experimental and theoretical studies provide the sufficient evidence about the driving forces for the complexation of ETP with BSA, which included van der Waals forces (vdW), hydrogen bonding (H-bonding) interaction, and hydrophobicity. Simultaneously, the theoretical calculation results also confirmed the existence of the significant changes in the physicochemical natures of ETP including molecular conformation, dipole moment, frontier orbital energy, and the atomic charge distribution, which was a responsible for the complexation with BSA.Communicated by Ramaswamy H. Sarma.

Bovine serum albumin

Stoichiometry

Hydrophobic effect

10.1080/07391102.2022.2126398

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Citations (11)

Efficient degradation of aqueous dichloromethane by an enhanced microbial electrolysis cell: Degradation kinetics, microbial community and metabolic mechanisms

Journal of Environmental Sciences (2023)

Meng Wu Di Zhao Bing Gu Ziru Wang Jun Hu

Geobacter

Microbial electrolysis cell

Dichloromethane

Degradation

Microbial consortium

10.1016/j.jes.2023.05.029

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Citations (5)

Preparation and Properties of High-Purity Porous Calcium Hexaluminate Material

Key engineering materials (2016)

Meng Wu Yuan Bing Li Shu Jing Li Ya Wei Li Shao Bai Sang

In this paper, high-purity porous calcium hexaluminate materials were prepared with α-alumina, nano-meter calcium carbonate and ρ-alumina as raw materials. The properties of the prepared porous materials, such as bulk density, true density, thermal conductivity, and cold crushing strength, were investigated. The increase in sintering temperature led to the increase of true density. Bulk density and cold crushing strength of the specimen fired at 1500°C had the lowest values. As ρ-alumina content increased, bulk density, true density, and cold crushing strength had no obvious changes, but the thermal conductivity decreased at first and then increased. The calcium hexaluminate formation was intense from 1450°C to 1500°C and finished at 1500°C. Above 1500°C, the main phase of specimens was calcium hexaluminate (CA 6 ). And CA 6 grains were regular hexagonal plates morphology and widely spread after firing at 1550°C.

10.4028/www.scientific.net/kem.697.547

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Citations (8)

Development of Rockburst Research: A Comprehensive Review

Applied Sciences (2022)

Meng Wu Yicheng Ye Qihu Wang Nanyan Hu

Rockburst is a difficult problem in underground resource development and infrastructure construction. With scientific and technological progress, more research technologies and methods to prevent rockburst have been proposed and applied. Research content has become more comprehensive, and positive progress and achievements have been made. However, due to the complexity of rockburst control factors and the sudden occurrence of rockburst, the occurrence mechanism and accurate prediction of occurrence intensity and time are still difficult worldwide problems. In this paper, the research development and achievements of rockburst are reviewed. Firstly, various definitions and types of rockburst are briefly summarized. Then, research progress and achievements in four aspects are comprehensively reviewed, including methods and techniques of rockburst research (theoretical research, numerical simulation, physical model tests and in situ monitoring), mechanism of rockburst, classification and prediction of rockburst (empirical criteria, in situ monitoring, mathematical model approaches and rockburst chart) and prevention and control of rockburst. Of particular significance is that the classification and prediction with prevention and control are summarized in detail. Finally, limitations, deficiencies and some promising directions for future research are listed.

10.3390/app12030974

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Citations (46)

In Vitro Investigation on Behavior of Pyriproxyfen Binding onto Bovine Serum Albumin by Mean of Various Spectroscopic Methodologies and In Silico

ChemistrySelect (2019)

Jia‐Fei Feng Meng Wu Baoli Wang Song‐Bo Kou Zhen‐Yi Lin

Abstract The investigation on the interaction mechanism between pesticide pyriproxyfen (PPF) and serum albumin has great implications in clinical detection, gene mutation and pathological analysis of pesticide poisoning. In this paper, the binding behavior of PPF with bovine serum albumin (BSA) have been assessed through various spectroscopic techniques combined with computer simulation. The findings confirmed that PPF quenched the endogenous fluorescence of BSA in the means of static quenching and formed the stable PPF‐BSA complex with the stoichiometry of 1:1. The affinity of PPF on BSA was moderate due to its binding constant of 4.15×10 3 M −1 (298 K). It was confirmed from replacement experiments and molecular docking that PPF bound preferentially onto the Site I region of BSA. The findings from thermodynamic parameter analysis and the replacement experiments of ANS and sucrose confirmed the driving‐forces for forming PPF‐BSA complex was hydrogen bonding, van der Waals and hydrophobic interactions. Meantime, it was also confirmed from synchronous fluorescence and FT‐IR spectra that the hydrophilicity surrounding Trp residues and α‐helix of BSA declined due to binding with PPF. And, it is confirmed from in silico finding the dipole moment, atomic charge distribution, molecular conformation, and frontier orbital of PPF also significantly altered after binding with BSA.

Bovine serum albumin

Hydrophobic effect

Binding constant

10.1002/slct.201902688

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Citations (6)

Exploring the binding behaviors between nisoldipine and bovine serum albumin as a model protein by the aid of multi-spectroscopic approaches and in silico

Journal of Biomolecular Structure and Dynamics (2023)

Zhe-Ying Hu Meng Wu Wanjun Wang Shao‐Liang Jiang Jie‐Hua Shi

Bovine serum albumin (BSA), a model protein was used to evaluate the binding behavior of nisoldipine and human serum albumin by a series of experiments and in silico in this article. The outcomes suggested that nisoldipine and BSA formed the nisoldipine-BSA complex with a molar ratio of 1:1, caused the fluorescence quenching of BSA, which quenching mechanism was attributable to static quenching. The binding constant of the nisoldipine-BSA complex was (1.3–3.0) × 104 M−1 at 298–310 K, indicating that nisoldipine on BSA protein had a moderate affinity. During the complexation of nisoldipine with BSA, nisoldipine can spontaneously insert into the site II (subdomain III A) of BSA and the distance of energy transfer from donor group in protein to acceptor group in nisoldipine was 3.21 nm, which led to the change in the hydrophobicity of the microenvironment surrounding Trp residues and in the secondary structure of BSA. Additionally, the findings also confirmed that the hydrogen bond and van der Waals force were responsible for forming the nisoldipine-BSA complex and the complexation process was a spontaneous exothermic process.Communicated by Ramaswamy H. Sarma

Nisoldipine

Bovine serum albumin

Binding constant

10.1080/07391102.2023.2232027

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Citations (2)

Research on bionic olfactory temperature compensation mechanism

Lei Cheng Hongyu Chen Qiuyue Yu Meng Wu Qin Liu

In the process of using infrared gas sensor to monitor the concentration of CO and CO2 in atmosphere, there exist big errors and influences in the measurement because of the interference from environmental temperature. Concerning the problem, this article will establish a mathematical model of infrared gas sensor and make a deep analysis and experiment on the premise of considering the environmental temperature effect. In the meantime, putting forward two algorithm models on the basis of least square method and least square method, and making a comparison and verification trough the experiment. The experimental results show that the temperature compensation model of cubic spline interpolation is better fit the experimental data and smoother than the temperature compensation model of least square method. According to the design of infrared gas sensor mechanism, the errors in infrared gas sensor measurement caused by temperature effect have been solved effectively, and the real-time compensation to infrared gas sensor has achieved.

Spline (mechanical)

Interpolation

10.1109/icarm.2017.8273181

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Citations (1)