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Wedelolactone from Eclipta prostrata(l)*** inflammation and improves insulin resistance

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Asian Pacific Journal of Tropical Biomedicine 2024年第6期14卷 253-258页

作者： Trinh Tat Cuong Duong Duc Thien Hoang Hai Yen Nguyen Anh Duc Trinh Quang Nam Do viet Khanh Key laboratory for Enzyme and Protein Technology Vietnam National University University of ScienceHanoiVietnam Faculty of Biology Vietnam National University University of ScienceHanoiVietnam Hanoi University of Pharmacy HanoiVietnam Vinschool HanoiVietnam

Objective:To evaluate the effects of wedelolactone,a major flavonoid from vietnamese Eclipta prostrata(l)l.,on inflammation and insulin ***:Wedelolactone was extracted from the leaves of vietnamese Eclipta prostrata(l.)*** methanol by *** effects of wedelolactone on lipopolysaccharide(lPS)-induced cytokine production,reactive oxygen species(ROS)generation,and nicotinamide adenine dinucleotide phosphate(NADPH)oxidase activities in Raw 264.7 cells were measured by enzyme-linked immunosorbent assay(ElISA),specific immunofluorescent dyes and luminometric analysis,*** addition,its effects on glucose uptake and the protein expression of insulin receptor substrate 1(IRS1)and glucose transporter 4(GlUT4)were examined in 3T3-l1 cells by immunofluorescent dyes and Western ***:Wedelolactone at 30μg/ml significantly inhibited lPS-induced production of tumor necrosis factor-α,interleukin(Il)-6,and Il-8(Ple effects on Il-10 *** also reduced ROS generation and NADPH oxidase activities in lPS-stimulated Raw 264.7 cells(Plolactone showed anti-insulin resistance activity,as evidenced by improved glucose uptake and the upregulated expression of IRS1 and GlUT4 in 3T3-l1 cells(Plusions:Wedelolactone exhibits anti-inflammation and anti-insulin resistance effects,which may be used for the treatment of diabetes and inflammation-associated diseases.

关键词： Wedelolactone Eclipta prostrata Inflammatory responses Anti-insulin resistance Diabetes IRS1 GlUT4

Interferon-mediated reprogramming of membrane cholesterol to evade bacterial toxins

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Interferon-mediated reprogramming of membrane cholesterol to...

Combining SnO_(2-x)and g-C_(3)N_(4)nanosheets toward S-scheme heterojunction for high selectivity into green products of NO degradation reaction under visible light

第四届中国生物物理学会代谢生物学分会学术研讨会

作者： Quan D.Zhou Xun Chi Min Sub lee Wei Yuan Hsieh Jonathan J.Mkrtchyan An-Chieh Feng Cuiwen He Autumn G York viet l.bui Eliza B.Kronenberger Alessandra Ferrari Xu Xiao Allison E.Daly Elizabeth J.Tarling Robert Damoiseaux Philip O.Scumpia Stephen T.Smale Kevin J.Williams Peter Tontonoz Steven J.Bensinger Zhejiang University School of Medicine

＜正＞Cholesterol is an important determinant of the biochemical and biophysical properties of animal cell membranes. Given the requirement for cholesterol in membranes, it is not surprising that microorganisms and viruses have evolved strategies that take advantage of cholesterol availability in membranes to facilitate pathogenesis. Cholesterol-dependent cytolysins （CDCs） are a group of secreted toxins produced mainly by Gram-positive bacteria that depend on membrane cholesterol for their function.

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Journal of Materiomics 2022年第1期8卷 1-8页

作者： Pham Van viet Thanh-Dat Nguyen Dai-Phat bui Cao Minh Thi Faculty of Materials Science and Technology University of ScienceVNU-HCM227 Nguyen Van Cu StreetDistrict 5Ho Chi Minh City700000Viet Nam vietnam National University-Ho Chi Minh City Thu Duc DistrictHo Chi Minh City700000Viet Nam Ho Chi Minh City University of Technology(HUTECH) 475A Dien Bien Phu StreetBinh Thanh DistrictHo Chi Minh City700000Viet Nam

NOx emissions cause many negative impacts on the living *** photocatalysis of semiconductors is superior for nitric oxide(NO)degradation due to their low redox *** this report,we combine SnO_(2-x)/g-C_(3)N_(4)heterojunction photocatalyst toward the high selectivity into green products under visible light *** show that SnO_(2-x)/g-C_(3)N_(4)heterojunction degraded 40.8%of NO,which is 1.6 times higher than that of g-C_(3)N_(4).In addition,the selectivity coefficient of SnO_(2-x)/g-C_(3)N_(4)is higher 3 times than both pure SnO_(2-x)and g-C_(3)N_(4).Furthermore,SnO_(2-x)/g-C_(3)N_(4)expresses a superior stability for NO photocatalytic-degradation after five *** scavenger trapping test results,and electron spin resonance(ESR)analysis also provide more understanding of the charge transfer mechanism of ***_(2-x)/g-C_(3)N_(4)heterojunction shows a high removal efficiency of NO gas,making it an up-and-coming environmental treatment candidate.

关键词： G-C_(3)N_(4) NO removal Oxygen vacancies Photocatalysis S-scheme

Damage in hybrid corrugated core sandwich structures under high velocity hail ice impact:A numerical study

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Defence Technology(防务技术) 2023年第9期27卷 217-236页

作者： Chao Zhang Xin Fang Jose l.Curiel-Sosa Tinh Quoc bui Chunjian Mao School of Mechanical Engineering Jiangsu UniversityZhenjiangChina Department of Mechanical Engineering The University of SheffieldSheffieldUK Duy Tan Research Institute for Computational Engineering Duy Tan UniversityHo Chi Minh CityViet Nam State Key laboratory of Mechanics and Control of Mechanical Structures Nanjing University of Aeronautics and AstronauticsNanjingChina

Potential damage in composite structures caused by hail ice impact is an essential safety threat to the aircraft in *** this study,a nonlinear finite element(FE)model is developed to investigate the dynamic response and damage behavior of hybrid corrugated sandwich structures subjected to high velocity hail ice *** impact and breaking behavior of hail are described using the FE-smoothed particle hydrodynamics(FE-SPH)method.A rate-dependent progressive damage model is employed to capture the intra-laminar damage response;cohesive element and surface-based cohesive contact are implemented to predict the inter-laminar delamination and sheet/core debonding phenomena *** transient processes of sandwich structure under different hail ice impact conditions are *** analysis is conducted to address the influences of core shape and impact position on the impact performance of sandwich structures and the corresponding energy absorption characteristics are also revealed.

关键词： Sandwich structure Hail ice impact Damage behavior Energy absorption FE-SPH modeling

Improved knowledge-based neural network(KBNN)model for predicting spring-back angles in metal sheet bending

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International Journal of Modeling, Simulation, and Scientific Computing 2014年第2期5卷 65-91页

作者： Tinh Quoc bui Anh viet Tran Abid Ali Shah Department of Civil Engineering University of Siegen Paul-Bontz-Str.9-1157076 SiegenGermany School of Mechanical and Automotive Engineering University of Ulsan San 29Mugeo 2-dong NamguP.O.Box 18UlsanSouth Korea

We develop an efficiently improved knowledge-based neural network(KBNN)associated with optimization algorithms and finite element analysis(FEA)to accurately predict spring-back angles in metal sheet *** well-known V and U prevalent processes of bending are *** KBNN predictive results are based on the empirical model and artificial neural network(ANN)*** empirical model is constructed from the FEA results using response surface method,while the multilayer perceptron is employed to create the *** trained KBNN can accurately model the relation-ship between the spring-back angles and process *** obtained results are validated against other existing methods showing a high accuracy.

关键词： Metal sheet bending spring-back angles knowledge-based neural network genetic algorithm optimization algorithm

A tree-based intelligence ensemble approach for spatial prediction of potential groundwater

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International Journal of Digital Earth 2020年第12期13卷 1408-1429页

作者： Mohammadtaghi Avand Saeid Janizadeh Dieu Tien bui viet Hoa Pham Phuong Thao T.Ngo viet-Ha Nhu Faculty of Natural Resources and Marine Sciences Tarbiat Modares UniversityTehranIran Geographic Information Science Research Group Ton Duc Thang UniversityHo Chi Minh CityVietnam Faculty of Environment and labour Safety Ton Duc Thang UniversityHo Chi Minh CityVietnam Ho Chi Minh City Institute of Resources Geography Vietnam Academy of Science and TechnologyHo Chi Minh CityVietnam Institute of Research and Development Duy Tan UniversityDa NangVietnam Department of Geological-Geotechnical Engineering Hanoi University of Mining and GeologyHanoiVietnam

The objective of this research is to propose and confirm a new machine learning approach of Best-First tree(BFtree),AdaBoost(AB),MultiBoosting(MB),and Bagging(Bag)ensembles for potential groundwater mapping and assessing role of influencing *** Yasuj-Dena area(Iran)is selected as a case *** this regard,a Yasuj-Dena database was established with 362 springs locations and 12 groundwater-influencing factors(slope,aspect,elevation,stream power index(SPI),length of slope(lS),topographic wetness index(TWI),topographic position index(TPI),land use,lithology,distance from fault,distance from river,and rainfall).The database was employed to train and validate the proposed groundwater *** area under the curve(AUC)and statistical metrics were employed to check and confirm the quality of the *** result shows that the BFTree-Bag model(AUC=0.810,kappa=0.495)has the highest prediction performance,followed by the BFTree-MB model(AUC=0.785,kappa=0.477),and the BFTree-MB model(AUC=0.745,kappa=0.422).Compared to the benchmark of Random Forests,the BFTree-Bag model performs better;therefore,we conclude that the BFtree-Bag is a new tool should be used for modeling of groundwater potential.

关键词： Environmental modeling groundwater potential GIS ensemble model decision tree

A review on hollow fiber membrane module towards high separation efficiency:Process modeling in fouling perspective

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Chinese Chemical letters 2022年第8期33卷 3594-3602页

作者： Xianhui li Mohammad Younas Mashallah Rezakazemi Quang viet ly Jianxin li Key laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education Institute of Environmental and Ecological EngineeringGuangdong University of TechnologyGuangzhou 510006China Southern Marine Science and Engineering Guangdong laboratory(Guangzhou) Guangzhou 511458China State Key laboratory of Separation Membranes and Membrane Processes National Center for International Joint Research on Membrane Science and TechnologyTiangong UniversityTianjin 300387China Department of Chemical Engineering University of Engineering and TechnologyP.O.Box 814PeshawarPakistan Faculty of Chemical and Materials Engineering Shahrood University of TechnologyP.O.Box ***ShahroodIran Institute of Research and Development Duy Tan UniversityDa nang 550000Vietnam

Hollow fiber microfiltration(MF)and ultrafiltration(UF)membrane processes have been extensively used in water purification and ***,complicated filtration hydrodynamics wield a negative influence on fouling mitigation and stability of hollow fiber MF/UF membrane ***,establishing a mathematical model to understand the membrane processes is essential to guide the optimization of module configurations and to alleviate membrane ***,we present a comprehensive overview of the hollow fiber MF/UF membrane filtration models developed from different *** existing models primarily focus on membrane fouling but rarely on the interactions between the membrane fouling and local filtration ***,more simplified conceptual models and integrated reduced models need to be built to represent the real filtration behaviors of hollow fiber *** analyses considering practical requirements including complicated local hydrodynamics and nonuniform membrane properties are suggested to meet the accurate prediction of membrane filtration performance in practical *** review will inspire the development of high-efficiency hollow fiber membrane modules.

关键词： Hollow fiber microfiltration and ultrafiltration process Mathematical modeling Filtration hydrodynamics Membrane fouling Optimization

TIME GlOBAl MIlD SOlUTIONS OF NAVIER-STOKES-OSEEN EQUATIONS

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Acta Mathematica Scientia 2021年第2期41卷 450-460页

作者： viet Duoc TRINH Faculty of Mathematics Mechanics and InformaticsUniversity of ScienceVietnam National UniversityHanoi334 Nguyen TraiHanoiVietnam Thang long Institute of Mathematics and Applied Sciences Nghiem Xuan YemHanoiVietnam

In this paper we prove the existence and uniqueness of time global mild solutions to the Navier-Stokes-Oseen equations,which describes dynamics of incompressible viscous fluid flows passing a translating and rotating obstacle,in the solenoidal lorentz space l_(σ,w)^(3)·Besides,boundedness and polynomial stability of these solutions are also shown.

关键词： Time global mild solutions Navier-Stokes-Oseen equations Oseen operator rotating and translating obstacle

Some Mean Convergence Theorems for the Maximum of Normed Double Sums of Banach Space Valued Random Elements

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Acta Mathematica Sinica,English Series 2024年第7期40卷 1727-1740页

作者： Andrew ROSAlSKY le Van THANH Nguyen Thi THUY Department of Statistics University of FloridaGainesvilleFL 32611-8545USA Department of Mathematics Vinh UniversityVinhNghe AnViet Nam High School for Gifted Students Vinh UniversityVinhNghe AnViet Nam

In this correspondence,we establish mean convergence theorems for the maximum of normed double sums of Banach space valued random *** of the results pertain to random elements which are *** expand and improve a number of particular cases in the literature on mean convergence of random elements in Banach *** of the main contributions of the paper is to simplify and improve a recent result of li,Presnell,and Rosalsky[Journal of Mathematical Inequalities,16,117–126(2022)].A new maximal inequality for double sums of M-dependent random elements is proved which may be of independent *** sharpness of the results is illustrated by four examples.

关键词： Double sum mean convergence Rademacher type p Banach space Banach space valued random element M-dependent random elements