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SSRN 2023年

作者： Qi, Wei Feng, Qifa Wang, Wen Zhang, Yu Hu, Yuzhen Shakeel, Usama Xiao, Lin Wang, Lan Chen, Hongzhang Liang, Cuiyi Guangzhou Institute of Energy Conversion Chinese Academy of Sciences Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development Guangzhou510640 China University of Chinese Academy of Sciences Beijing100049 China Longlive Bio-technology Co. Ltd. Shandong Province Yucheng251200 China State Key Laboratory of Biochemical Engineering Beijing Key Laboratory of Biomass Refining Engineering Institute of Process Engineering Chinese Academy of Sciences Beijing100190 China

Converting woody biomass to bioethanol might be more affordable, environmentally friendly, and efficient for making biofuel commercially feasible, but it would still need a significant optimization process and expand pilot-scale research. A combination of commercial low enzymes loading at 10 FPU/g glucan and compound additives utilizing Tween 80 (TW), PEG8000 (PEG), and sophorolipid (SL) applied from lab-scale to pilot-scale have been studied in this work at economically viable dosages for enhancing bioethanol production. In lab-scale saccharification and fermentation (SHF), pretreated poplar at a high solid loading of 20% yielded the highest ethanol titers of 30.96 g/L and theoretical ethanol yield of 92.79%. Additionally, pilot-scale running was used to investigate the bioethanol enlargement case, a final volume of 33 m3 which yielded the greatest ethanol amount of 599.61 kg from poplar wood while gaining on-site value-added production of hemicellulosic and cellobiose liquor 1121.91 kg and lignin residues 2292.54 kg. © 2023, The Authors. All rights reserved.

关键词： Surface active agents

Composite material derived from ZIF-67 and biochar promotes ozonation of 4-nitrophenol

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Chemosphere 2023年第1期338卷 139495页

作者： Ren, Mingzhu Wang, Fuxue Xu, Zhaomeng Zhang, Jiang Wang, Chong-Chen Wang, Kui Zhang, Jianbo Wang, Zhou-jun Xie, Yongbing State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization Pangang Group Research Institute Co. Ltd. Panzhihua617000 China Chemistry & Chemical Engineering Data Center Institute of Process Engineering Chinese Academy of Sciences Beijing100190 China Beijing Key Laboratory of Functional Materials for Building Structure and Environment Remediation Beijing University of Civil Engineering and Architecture Beijing100044 China State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical Technology Beijing100029 China

Cobalt 2-methylimidazole (ZIF-67) have abundant nitrogen and cobalt elements, which can be used as an excellent precursor for catalyst synthesis. In this study, a new Co, N co-doped carbon-based catalyst (Co-N-BC) was synthesized from ZIF-67 and biochar, which can significantly improve the degradation of 4-nitrophenol (4-NP) in catalytic ozonation. The mineralization rate of 4-NP achieves 65.8% within 60 min. The catalyst showed high recycling stability in the four cycles of reuse experiment. Different operating parameters, such as solution pH, the concentration of O3 and 4-NP, have been studied in the Co-N-BC catalytic ozonation. O3, O2−· and ·OH are determined as the main reactive species for 4-NP degradation, and ·OH is especially responsibly for 4-NP mineralization. The existence of inorganic ions, such as Cl−, NO2−, CO32− and PO43−, all significantly inhibited the degradation of 4-NP to different extend, respectively. The effect of substituent on a series of organics with similar structure of 4-NP was also investigated in Co-N-BC catalytic ozonation. This study provides a new composite material for heterogeneous catalytic ozonation, which is very promising in 4-NP contained complex wastewater treatment. © 2023 Elsevier Ltd

关键词： Ozonization

Zero-Sum Optimal Control for a Cyber-Physical System in Unreliable Communications via Secure Decentralized Policy Iteration

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IEEE Internet of Things Journal 2025年

作者： Zhang, Kun Dong, Xiwang Zhang, Huaguang Su, Rong Beihang University School of Astronautics Beijing100191 China Beihang University Institute of Unmanned System Institute of Artificial Intelligence School of Automation Science and Electrical Engineering Beijing100191 China Northeastern University School of Information Science and Engineering State Key Laboratory of Synthetical Automation for Process Industries Shenyang110819 China School of Electrical and Electronic Engineering Singapore639798 Singapore

This paper investigates the robust consensus scheme for a specific type of leader-follower multi-agent systems (MASs) in the context of a human-cyber-physical interactive system. The system encounters frequent communication challenges characterized by packet loss and data leakage. To address these challenges, the paper proposes a secure decentralized scheme that leverages game theory to determine optimal policies in a zero-sum game. The scheme utilizes the adaptive dynamic programming (ADP) method, which involves a decentralized iterative process. The paper demonstrates that the generated sequence exhibits exponential convergence and provides the maximum iteration number based on the convergence error. To mitigate data leakage among players, the scheme incorporates a secure operation that involves encrypted data. This integration seamlessly combines data conversion and encryption-decryption into decentralized computation. Finally, the paper presents a simulation example to validate the efficacy of the consensus scheme. © 2014 IEEE.

关键词： Information leakage

Crocetin Nanoliposomes Used to Prevent and Treat High Altitude Sickness: biochemical and Transcriptome Analysis

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SSRN 2023年

作者： Nan, Jian Cheng, Haoran Wu, Haishan Park, Hyun Jin Zhao, Qingsheng Yang, Liu Li, Jinglei School of Food and Biological Engineering Hefei University of Technology Anhui Hefei China Engineering Research Center of Bio-process Ministry of Education Hefei University of Technology Hefei230009 China School of Life Sciences and Biotechnology Korea University Seoul Korea Republic of National Key Laboratory of Biochemical Engineering Institute of Process Engineering Chinese Academy of Sciences Beijing China

In this study, we investigated the efficacy of crocetin nanoliposomes in preventing and treating high altitude sickness in a simulated plateau environment. Hypobaric hypoxia induces significant increases in red blood cell, hemoglobin, and white blood cell levels in mice, and also leads to lung damage. However, crocetin nanoliposomes activate the HIF-1α pathway to combat hypoxic stress. H&E stain results indicate that crocetin nanoliposomes reduce lung tissue damage. Transcriptome analysis revealed that 1357 genes involved in sensing and regulating oxygen changes during the simulated high-altitude sickness were differentially expressed compared to controls, except those genes, crocetin also regulated transcription-related genes, which is beneficial to reduce tissue damage induced by high altitude sickness. Our findings suggest that crocetin nanoliposomes are promising to prevent and treat altitude sickness. © 2023, The Authors. All rights reserved.

关键词： Blood

Seal contact performance analysis of soft seals on high-pressure hydrogen charge valves

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Journal of Zhejiang University-Science A(Applied Physics & engineering) 2022年第4期23卷 247-256页

作者： Zhen-hao LIN Long-jie YU Ting-feng HUA Zhi-jiang JIN Jin-yuan QIAN Institute of Process Equipment College of Energy EngineeringZhejiang UniversityHangzhou310027China State Key Laboratory of Fluid Power and Mechatronic Systems Zhejiang UniversityHangzhou310027China Institute of Wenzhou Zhejiang UniversityWenzhou325036China

The charge valve is an important element in the charging port of a high-pressure hydrogen storage cylinder(HP-HSC).It is normally closed after the HP-HSC is filled with *** the seal of the charge valve is damaged,it will seriously affect the stable operation of the hydrogen supply system and may even cause safety ***,the seal performance of the charge valve is *** this paper,finite element analysis(FEA)is carried out to analyze the seal contact performance of hydrogenated nitrile rubber(HNBR)gaskets in the seal pair of a charge *** effects of different pre-compressions,seal widths,and hydrogen pressures on the seal contact performance of the charge valve are *** contact pressure on the seal surface increases with the increase of *** a pre-compression of 2.5 mm,the maximum contact pressure without and with hydrogen pressure are 68.51 and 107.38 MPa,respectively.A contact gap appears in the inner ring of the seal surface with pre-compression below 0.15 *** contact gap occurs between the entire seal surface with a seal width of1 *** contact pressure on the seal surface and the width of the separation area between the seal surfaces increase with the increase of the seal *** contact gap between the seal surfaces is zero with a width of 2.5 *** width of the separation area between the seal surfaces decreases with the decrease of the hydrogen *** width of the separation area is reduced from 0.5 mm at 35 MPa to 0.17 mm at 15 *** work can be useful for improvement of the seal performance and of the design of the charge valve used in the HP-HSC.

关键词： Charge valve Seal contact performance High-pressure hydrogen storage cylinder(HP-HSC) Finite element analysis(FEA)

Mitochondria- and Anaerobic Glycolysis- Targeted Self-Assembled Copper Complex Nanoparticles for Boosting Cuproptosis-Immunotherapy

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SSRN 2024年

作者： Zhang, Hanyu Liang, Wenlong Shao, Mingyu Wu, Xiaomei Duan, Shihao Liu, Chunlei Zhang, Shuo Liu, Chunzhao Li, Yongxin State Key Laboratory of Bio-fibers and Eco-textiles Institute of Biochemical Engineering College of Materials Science and Engineering Qingdao University Qingdao266071 China Department of Urology Qingdao Central Hospital University of Health and Rehabilitation Sciences Qingdao266071 China

Cuproptosis is an emerging regulated cell death that depends on the intracellular copper ion and mitochondrial respiration, showing great potential in cancer treatment. However, increasing the specific accumulation of copper ions in mitochondria while simultaneously enhancing mitochondrial respiration are highly needed and still a major challenge to promote cuproptosis. Herein, the lactate dehydrogenase (LDH) inhibitor galloflavin (GF) self-assembles with the copper ionophore elesclomol (ES) through copper ion-driven cooperative coordination to form GF/CuES nanoparticles, synergistically targeting mitochondria and anaerobic glycolysis to boost cuproptosis-immunotherapy. After cellular internalization, the GF/CuES nanoparticles responsively dissociate to release Cu2+ and ES, co-transporting into mitochondria to collaboratively trigger cuproptosis, which subsequently evokes immunogenic cell death (ICD). Notably, the liberated GF leads to effective LDH suppression, which not only further amplifies cuproptosis via disrupting anaerobic glycolysis and enhancing mitochondrial respiration but also reduces lactate production, thus alleviating the immunosuppressive tumor microenvironment and augmenting anti-tumor immunity driven by ICD. Thus, the GF/CuES nanoparticles exhibit strong antitumor effects through cooperatively targeting glycolysis, cuproptosis and immunotherapy, offering a unique opportunity to enhance cancer treatment strategies. © 2024, The Authors. All rights reserved.

关键词： Mitochondria

Nattokinase as a functional food ingredient:therapeutic applications and mechanisms in age-related diseases

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Food Science and Human Wellness 2024年第5期13卷 2401-2409页

作者： Hao Wu Qian Zhang Hao Suo Feng Xu Wanxu Huang Dan Ohtan Wang Wuya College of Innovation Shenyang Pharmaceutical UniversityShenyang 110016China College of Optoelectronic Engineering and Institute for Innovative Development of Food IndustryShenzhen UniversityShenzhen 518060China College of Life Sciences and Biopharmaceutical Shenyang Pharmaceutical UniversityShenyang 110016China The Fifth Affiliated Hospital of Guangzhou Medical University Guangzhou 510700China State Key Laboratory of New-tech for Chinese Medicine Pharmaceutical Process Lianyungang 222001China RIKEN Center for Biosystems Dynamics Research Kobe 650-0047Japan Graduate School of Biostudies Kyoto UniversityKyoto 606-8501Japan

Consumption of natto,a traditional eastern Asian food made of fermented soybeans by Bacillus subtilis,has long been linked to healthy aging and longer human *** the key thrombolytic ingredient of natto,the serine protease nattokinase(NK)has been developed into a widely-used dietary *** has shown excellent anti-thrombus,thrombolytic,and anti-inflammation activities that potentially delay aging and provide therapeutic effects on aging-related *** this review,we critically overview the experimental and clinical evidence in the past 20 years that support the beneficial function of NK in the prevention and treatment of aging-related diseases,including cardiovascular diseases,Alzheimer’s disease,other abnormalities and *** focus on the underlying molecular mechanisms and recent advances in application methods that are aimed at further development of NK for healthier aging of modern *** challenges and unsolved issues in this area are also discussed.

关键词： Nattokinase Functional food ingredient Aging-related diseases Cardiovascular diseases Inflammation

A novel elemental composition based prediction model for biochar aromaticity derived from machine learning

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Artificial Intelligence in Agriculture 2021年第1期5卷 133-141页

作者： Hongliang Cao Yaime Jefferson Milan Sohrab Haghighi Mood Michael Ayiania Shu Zhang Xuzhong Gong Electo Eduardo Silva Lora Qiaoxia Yuan Manuel Garcia-Perez Key Laboratory of Agricultural Equipment in Mid-lower Yangtze River College of EngineeringHuazhong Agricultural UniversityNo.1Shizishan StreetHongshan DistrictWuhan 430070PR China Department of Biological Systems Engineering Washington State UniversityPullmanWA 99164USA College of Materials Science and Engineering Nanjing Forestry UniversityNanjing 210037PR China Key Laboratory of Green Process and Engineering National Engineering Laboratory for Hydrometallurgical Cleaner Production TechnologyInstitute of Process EngineeringChinese Academy of SciencesBeijing 100190PR China Excellence Group in Thermal Power and Distributed Generation Federal University of ItajubáBrazil

The measurement of aromaticity in biochars is generally conducted using solid state 13C nuclear magnetic resonance spectroscopy,which is expensive,time-consuming,and only accessible in a small number of researchintensive *** modelling could be a viable alternative to predict biochar aromaticity from other much easier accessible parameters(*** composition).In this research,Genetic Programming(GP),an advancedmachine learning method,is used to develop *** order to identify and evaluate the performance of prediction models,an experimental data set with 98 biochar samples collected from the literature was *** to the benefits of the intelligence iteration and learning of GP algorithm,a kind of underlying exponential relationship between the elemental compositions and the aromaticity of biochars is disclosed *** exponential relationship is clearer and simpler than the polynomial mapping relationships implicated by Maroto-Valer,Mazumdar,and Mazumdar-Wang *** this case,a novel exponential model is proposed for the prediction of biochar *** proposed exponential model appears better prediction accuracy and generalization ability than existing polynomial models during the statistical parameter evaluation.

关键词： Biochar C aromaticity Prediction model Machine learning Genetic programming

Atomic Cu Sites engineering Enables Efficient CO_(2)Electroreduction to Methane with High CH_(4)/C_(2)H_(4)Ratio

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Nano-Micro Letters 2023年第12期15卷 361-375页

作者： Minhan Li Fangzhou Zhang Min Kuang Yuanyuan Ma Ting Liao Ziqi Sun Wei Luo Wan Jiang Jianping Yang Institute of Functional Materials State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringDonghua UniversityShanghai 201620People’s Republic of China College of Materials Science and Engineering Zhengzhou UniversityZhengzhou 450001People’s Republic of China School of Mechanical Medical and Process EngineeringSchool of Chemistry and PhysicsQueensland University of Technology2 George StreetBrisbaneQLD 4001Australia

Electrochemical reduction of CO_(2)into high-value hydrocarbons and alcohols by using Cu-based catalysts is a promising and attractive technology for CO_(2)capture and utilization,resulting from their high catalytic activity and *** mobility and accessibility of active sites in Cubased catalysts significantly hinder the development of efficient Cu-based catalysts for CO_(2)electrochemical reduction reaction(CO_(2)RR).Herein,a facile and effective strategy is developed to engineer accessible and structural stable Cu sites by incorporating single atomic Cu into the nitrogen cavities of the host graphitic carbon nitride(g-C_(3)N_(4))as the active sites for CO_(2)-to-CH_(4)conversion in CO_(2)*** regulating the coordination and density of Cu sites in g-C_(3)N_(4),an optimal catalyst corresponding to a one Cu atom in one nitrogen cavity reaches the highest CH_(4)Faraday efficiency of 49.04%and produces the products with a high CH_(4)/C_(2)H_(4)ratio over *** work provides the first experimental study on g-C_(3)N_(4)-supported single Cu atom catalyst for efficient CH_(4)production from CO_(2)RR and suggests a principle in designing highly stable and selective high-efficiency Cu-based catalysts for CO_(2)RR by engineering Cu active sites in 2D materials with porous crystal structures.

关键词： CO_(2)RR Cu single-atom catalyst g-C_(3)N_(4) Methane CH_(4)/C_(2)H_(4)ratio

Prominently Improved Co2/N2 Separation Efficiency by Ultrathin-Ionic-Liquid-Covered Mxene Membrane

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SSRN 2022年

作者： Xu, Peng Zhang, Xiaochun Zhao, Linlin Wang, Zhenlei Liu, Yawei Bai, Lu Liu, Zhiping State Key Laboratory of Organic-Inorganic Composites School of Chemical Engineering Beijing University of Chemical Technology Beijing100029 China Beijing Key Laboratory of Ionic Liquids Clean Process CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems Institute of Process Engineering Chinese Academy of Sciences Beijing100190 China

MXene-based membrane exhibits great potential in gas separation but still suffers from poor selectivity for the gases with similar dynamic diameters, such as CO2 and N2. Here, we propose a composite membrane constructed by covering MXene with an ultrathin layer of ionic liquid (IL) to separate CO2/N2 mixtures. The influences of MXene-slit width and IL-film thickness on CO2/N2 separation performance were investigated by using molecular dynamic simulations. The gas separation performance is significantly enhanced after covering the IL film, and the thickness of the film acts as a major factor to determine the performance. With the amounts of the IL increased from one to two layers, the CO2 permeance decreases from 2.3×104 to 2.6×103 GPU, while the N2 permeance declines more sharply, resulting in an increased selectivity. Compared to the IL-film thickness, the slit width has less influence on gas permeance. However, the CO2/N2 selectivity decreases as the slit width enlarges. Finally, we concluded that the composite membrane composed of MXene with 8 Å slit and 40 pairs (about one and a half layers) of IL exhibits the best CO2/N2 separation performance, with the CO2 permeance up to 104 GPU, and no N2 passed through the membrane during the simulations. Furthermore, the interaction of gas-composite membrane and the penetration process of gas were also discussed. The excellent CO2/N2 separation performance is ascribed to the synergistic effect of IL on the surface of MXene and anions in the slit. © 2022, The Authors. All rights reserved.

关键词： Ionic liquids