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Zataria multiflora and its constituent,carvacrol,counteract sepsis-induced aortic and cardiac toxicity in rat:Involvement of nitric oxide and oxidative stress

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Animal Models and Experimental Medicine 2023年第3期6卷 221-229页

作者： Mahmoud Hosseini Zohreh Arab Farimah Beheshti Akbar Anaeigoudari farzaneh shakeri Arezoo Rajabian Psychiatry and Behavioral Sciences Research Center Mashhad University of Medical SciencesMashhadIran Applied Biomedical Research Center Mashhad University of Medical SciencesMashhadIran Neuroscience Research Center Torbat Heydariyeh University of Medical SciencesTorbat HeydariyehIran Department of Physiology School of Paramedical SciencesTorbat Heydariyeh University of Medical SciencesTorbat HeydariyehIran Department of Physiology School of MedicineJiroft University of Medical SciencesJiroftIran Natural Products and Medicinal Plants Research Center North Khorasan University of Medical SciencesBojnurdIran Department of Physiology and Pharmacology School of MedicineNorth Khorasan University of Medical SciencesBojnurdIran Department of Internal Medicine Faculty of MedicineMashhad University of Medical SciencesMashhadIran

Background:Zataria multiflora and carvacrol showed various pharmacological prop-erties including anti-inflammatory and anti-oxidant ***,up to now no studies have explored its potential benefits in ameliorating sepsis-induced aortic and cardiac ***,this study aimed to investigate the effects of *** and carvacrol on nitric oxide(NO)and oxidative stress indicators in lipopolysaccharide(LPS)-induced aortic and cardiac ***:Adult male Wistar rats were assigned to:Control,lipopolysaccharide(LPS)(1 mg/kg,intraperitoneal(i.p.)),and *** hydro-ethanolic extract(ZME,50–200 mg/kg,oral)-and carvacrol(25–100 mg/kg,oral)-treated *** was in-jected daily for 14 *** with ZME and carvacrol started 3 days before LPS administration and treatment continued during LPS *** the end of the study,the levels of malondialdehyde(MDA),NO,thiols,and antioxidant enzymes were ***:Our findings showed a significant reduction in the levels of superoxide dis-mutase(SOD),catalase(CAT),and thiols in the LPS group,which were restored by ZME and ***,ZME and carvacrol decreased MDA and NO in car-diac and aortic tissues of LPS-injected ***:The results suggest protective effects of ZME and carvacrol on LPS-induced cardiovascular injury via improved redox hemostasis and attenuated NO ***,additional studies are needed to elucidate the effects of ZME and its constituents on inflammatory responses mediated by LPS.

关键词： carvacrol lipopolysaccharide nitric oxide oxidative injury sepsis Z.multiflora

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Recent advances in heterogeneous catalysis of solar-driven carbon dioxide conversion

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Journal of Environmental Sciences 2024年第6期140卷 165-182页

作者： Jun Xu farzaneh Arabpour Roghabadi Ying Luo Vahid Ahmadi Qian Wang Zheng Wang Hong He State Key Joint Laboratory of Environment Simulation and Pollution Control Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China College of Chemistry and Chemical Engineering Henan Polytechnic UniversityJiaozuoHenan 454000China Department of Process Engineering Faculty of Chemical EngineeringTarbiat Modares UniversityTehranIran Optoelectronics and Nanophotonics Research Group Faculty of Electrical and Computer EngineeringTarbiat Modares UniversityTehranIran Graduate School of Engineering Nagoya UniversityFuro-choChikusa-kuNagoya 464-8603Japan

Solar-driven carbon dioxide(CO_(2))conversion including photocatalytic(PC),photoelectrochemical(PEC),photovoltaic plus electrochemical(PV/EC)systems,offers a renewable and scalable way to produce fuels and high-value chemicals for environment and energy *** review summarizes the basic fundament and the recent advances in the field of solar-driven CO_(2)*** the visible-light absorption is an important strategy to improve solar energy conversion *** separation and migration of photogenerated charges carriers to surface sites and the surface catalytic processes also determine the photocatalytic *** engineering including co-catalyst loading,defect engineering,morphology control,surface modification,surface phase junction,and Z-scheme photocatalytic system construction,have become fundamental strategies to obtain high-efficiency *** to photocatalysis,these strategies have been applied to improve the conversion efficiency and Faradaic efficiency of typical PEC *** PV/EC systems,the electrode surface structure and morphology,electrolyte effects,and mass transport conditions affect the activity and selectivity of electrochemical CO_(2)***,the challenges and prospects are addressed for the development of solar-driven CO_(2)conversion system with high energy conversion efficiency,high product selectivity and stability.

关键词： Solar-driven CO_(2)reduction Photocatalytic system Photoelectrochemical system Photovoltaic plus electrochemical system Surface/interface engineering

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Secrecy Outage Probability Minimization in Wireless-Powered Communications Using an Improved Biogeography-Based Optimization-Inspired Recurrent Neural Network

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Computers, Materials & Continua 2024年第3期78卷 3971-3991页

作者： Mohammad Mehdi Sharifi Nevisi Elnaz Bashir Diego Martín Seyedkian Rezvanjou farzaneh Shoushtari Ehsan Ghafourian Department of Industrial Engineering Iran University of Science and TechnologyNarmakTehran16846-13114Iran Department of Computer Science Iowa State UniversityAmesIowaIA50011USA ETSI de Telecomunicación Universidad Politécnica de MadridMadrid28040Spain Department of Engineering California State University East BayHaywardCalifornia94542USA Department of Industrial Engineering Bu-Ali Sina UniversityHamedan65178-38695Iran

This paper focuses on wireless-powered communication systems,which are increasingly relevant in the Internet of Things(IoT)due to their ability to extend the operational lifetime of devices with limited *** main contribution of the paper is a novel approach to minimize the secrecy outage probability(SOP)in these *** SOP is crucial for maintaining the confidentiality and integrity of data,especially in situations where the transmission of sensitive data is *** proposed method harnesses the power of an improved biogeography-based optimization(IBBO)to effectively train a recurrent neural network(RNN).The proposed IBBO introduces an innovative migration *** core advantage of IBBO lies in its adeptness at maintaining equilibrium between exploration and *** is accomplished by integrating tactics such as advancing towards a random habitat,adopting the crossover operator from genetic algorithms(GA),and utilizing the global best(Gbest)operator from particle swarm optimization(PSO)into the IBBO *** IBBO demonstrates its efficacy by enabling the RNN to optimize the system parameters,resulting in significant outage probability *** comprehensive simulations,we showcase the superiority of the IBBO-RNN over existing approaches,highlighting its capability to achieve remarkable gains in SOP *** paper compares nine methods for predicting outage probability in wireless-powered *** IBBO-RNN achieved the highest accuracy rate of 98.92%,showing a significant performance *** contrast,the standard RNN recorded lower accuracy rates of 91.27%.The IBBO-RNN maintains lower SOP values across the entire signal-to-noise ratio(SNR)spectrum tested,suggesting that the method is highly effective at optimizing system parameters for improved secrecy even at lower SNRs.

关键词： Wireless-powered communications secrecy outage probability improved biogeography-based optimization recurrent neural network

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Signaling pathways governing the behaviors of leukemia stem cells

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Genes & Diseases 2024年第2期11卷 830-846页

作者： Shirin Azizidoost Ava Nasrolahi Mohadeseh Sheykhi-Sabzehpoush Amir Anbiyaiee Seyed Esmaeil Khoshnam Maryam farzaneh Shahab Uddin Atherosclerosis Research Center Ahvaz Jundishapur University of Medical SciencesAhvaz ***Iran Infectious Ophthalmologic Research Center Ahvaz Jundishapur University of Medical SciencesAhvaz ***Iran Department of Laboratory Imam Khomeini Hospital ComplexTehran University of Medical SciencesTehran ***Iran Department of Surgery School of MedicineAhvaz Jundishapur University of Medical SciencesAhvaz ***Iran Persian Gulf Physiology Research Center Medical Basic Sciences Research InstituteAhvaz Jundishapur University of Medical SciencesAhvaz ***Iran Fertility Infertility and Perinatology Research CenterAhvaz Jundishapur University of Medical SciencesAhvaz ***Iran Translational Research Institute and Dermatology Institute Academic Health SystemHamad Medical CorporationDoha 3050Qatar

Leukemia is a malignancy in the blood that develops from the lymphatic system and bone *** various treatment options have been used for different types of leukemia,understanding the molecular pathways involved in the development and progression of leukemia is *** studies showed that leukemia stem cells(LSCs)play essential roles in the pathogenesis of leukemia by targeting several signaling pathways,including Notch,Wnt,Hedgehog,and *** are highly proliferative cells that stimulate tumor initiation,migration,EMT,and drug *** review summarizes cellular pathways that stimulate and prevent LSCs'self-renewal,metastasis,and tumorigenesis.

关键词： Leukemia Leukemia stem cells Pathogenesis Signaling pathways Stem cells

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Deterministic and Stochastic Fixed-Time Stability of Discrete-time Autonomous Systems

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IEEE/CAA Journal of Automatica Sinica 2023年第4期10卷 945-956页

作者： farzaneh Tatari Hamidreza Modares Mechanical Engineering Department Michigan State UniversityMichigan 48824-1226 USA

This paper studies deterministic and stochastic fixedtime stability of autonomous nonlinear discrete-time(DT)*** conditions are first presented under which the fixed-time stability of deterministic DT systems is *** to systems under deterministic perturbations as well as stochastic noise are then *** the former,sensitivity to perturbations for fixed-time stable DT systems is analyzed,and it is shown that fixed-time attractiveness results from the presented Lyapunov *** the latter,sufficient Lyapunov conditions for fixed-time stability in probability of nonlinear stochastic DT systems are *** fixed upper bound of the settling-time function is derived for both fixed-time stable and fixed-time attractive systems,and a stochastic settling-time function fixed upper bound is derived for stochastic DT *** examples are given along with simulation results to verify the introduced results.

关键词： Discrete-time(DT)systems fixed-time stability nonlinear systems stochastic systems

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The mathematical weighting of GNSS observations based on different types of receivers/antennas and environmental conditions

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Geodesy and Geodynamics 2023年第5期14卷 521-540页

作者： Kamal Parvazi Saeed farzaneh Abdolreza Safari School of Surveying and Geospatial Engineering College of EngineeringUniversity of TehranNorth Kargar Street***TehranIran

Stochastic models play an important role in achieving high accuracy in positioning,the ideal estimator in the least-squares(LS)can be obtained only by using the suitable stochastic *** study investigates the role of variance component estimation(VCE)in the LS method for Precise Point Positioning(PPP).This estimation is performed by considering the ionospheric-free(IF)functional model for code and the phase observation of Global Positioning System(GPS).The strategy for estimating the accuracy of these observations was evaluated to check the effect of the stochastic model in four modes:a)antenna type,b)receiver type,c)the tropospheric effect,and d)the ionosphere *** results show that using empirical variance for code and phase observations in some cases caused erroneous estimation of unknown components in the PPP *** is because a constant empirical variance may not be suitable for various receivers and antennas under different *** were compared in two cases using the stochastic model of nominal weight and weight estimated by *** position error difference for the east-west,north-south,and height components was 1.5 cm,4 mm,and 1.8 cm,***,weight estimation with LS-VCE can provide more appropriate ***,the convergence time based on four elevation-dependent models was evaluated using nominal weight and LS-VCE *** to the results,the LS-VCE has a higher convergence rate than the nominal *** weight estimation using LS-VCE improves the convergence time in four elevation-dependent models by 11,13,12,and 9 min,respectively.

关键词： Stochastic model Global positioning system Variance component estimation Least-squares Precise point positioning Elevation-dependent model

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Finite-Time Distributed Identification for Nonlinear Interconnected Systems

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IEEE/CAA Journal of Automatica Sinica 2022年第7期9卷 1188-1199页

作者： farzaneh Tatari Hamidreza Modares Christos Panayiotou Marios Polycarpou Mechanical Engineering Department Michigan State UniversityEast LansingMI 48824 USA KIOS Research and Innovation Center of Excellence and the Department of Electrical and Computer Engineering University of CyprusNicosia 1678Cyprus IEEE

In this paper,a novel finite-time distributed identification method is introduced for nonlinear interconnected systems.A distributed concurrent learning-based discontinuous gradient descent update law is presented to learn uncertain interconnected subsystems’*** concurrent learning approach continually minimizes the identification error for a batch of previously recorded data collected from each subsystem as well as its neighboring *** state information of neighboring interconnected subsystems is acquired through direct *** overall update laws for all subsystems form coupled continuous-time gradient flow dynamics for which finite-time Lyapunov stability analysis is *** a byproduct of this Lyapunov analysis,easy-to-check rank conditions on data stored in the distributed memories of subsystems are obtained,under which finite-time stability of the distributed identifier is *** rank conditions replace the restrictive persistence of excitation(PE)conditions which are hard and even impossible to achieve and verify for interconnected ***,simulation results verify the effectiveness of the presented distributed method in comparison with the other methods.

关键词： Distributed concurrent learning finite-time identification nonlinear interconnected systems unknown dynamics

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Effects of copper and manganese cations on cerium-based conversion coating on galvanized steel:Corrosion resistance and microstructure characterizations

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Journal of Rare Earths 2022年第6期40卷 1002-1006,I0006页

作者： farzaneh Khast Mesbah Saybani Ali Asghar Sarabi Dariani Corrosion Engineering and Material Protection Group Bandar Abbas CampusAmirkabir University of TechnologyTehranIran Department of Maritime Engineering Amirkabir University of TechnologyTehranIran Department of Color and Polymer Engineering Amirkabir University of TechnologyTehranIran

The cerium conversion coating(CeCC) containing copper and manganese cations was applied to the galvanized *** microstructure and the composition of specimen were analyzed by field emission scanning electron microscopy(FE-SEM) and energy dispersive spectroscopy(EDS).Electrochemical impedance spectroscopy(EIS) and polarization tests were conducted in 3.5 wt% NaCl solution to investigate the coating corrosion *** results show that there are improvements in corrosion resistance and microstructure of CeCC containing copper and manganese cations but copper ions increase corrosion resistance of CeCC from 5800 to 27000 Ω·cm^(2).

关键词： Conversion coating Galvanized steel EIS Copper Manganese Rare earths

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Dynamic interactive characteristics between icicle growth and corona discharge on HVDC outdoor insulators during icing accretion

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High Voltage 2023年第3期8卷 570-582页

作者： Yong Liu Chao Li Fanghui Yin Boxue Du Masoud farzaneh School of Electrical and Information Engineering Tianjin UniversityTianjinChina Shenzhen International Graduate School Tsinghua UniversityShenzhenChina University of Quebec at Chicoutimi ChicoutimiQuebecCanada

In order to improve the stability and reliability of high voltage direct current(HVDC)transmission lines in cold regions,this article investigated the corona discharges and the icicle growth characteristics on outdoor insulators under DC *** experiments were conducted at CIGELE laboratory at University of *** simulation model of corona discharges and the theoretical model of icicle growth were *** dynamic process and interactive characteristics between the icicle growth and corona discharges under different HVDC voltages were *** results showed that the discharge activity was strong and the cooling effect of ionic air was weak under negative DC voltage,resulting in a large number of bubbles inside the *** negative ions were produced under negative DC voltage,which enhanced the polarisation of water droplets,leading to a greater density of ice beads outside the *** addition,the longest icicles of each insulator under high humidity could bridge the shed *** accumulated charge and leakage current were higher under negative DC voltage,as well as the corona discharge at the top of the icicles lasted ***,the negative DC corona discharge more significantly inhibited the growth of the icicle,resulting in a slower growth rate of the icicles.

关键词： insulator characteristics outdoor

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A Tradeoff Between Accuracy and Speed for K-Means Seed Determination

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Computer Systems Science & Engineering 2022年第3期40卷 1085-1098页

作者： farzaneh Khorasani Morteza Mohammadi Zanjireh Mahdi Bahaghighat Qin Xin Computer Engineering Department Imam Khomeini International UniversityQazvinIran Faculty of Science and Technology University of the Faroe IslandsTorshavnFaroe Islands

With a sharp increase in the information volume,analyzing and retrieving this vast data volume is much more essential than *** of the main techniques that would be beneficial in this regard is called the Clustering *** aims to classify objects so that all objects within a cluster have similar features while other objects in different clusters are as distinct as *** of the most widely used clustering algorithms with the well and approved performance in different applications is the k-means *** main problem of the k-means algorithm is its performance which can be directly affected by the selection in the primary *** of attention to this crucial issue has consequences such as creating empty clusters and decreasing the convergence ***,the selection of appropriate initial seeds can reduce the cluster’s *** this paper,we present a new method to determine the initial seeds of the k-mean algorithm to improve the accuracy and decrease the number of iterations of the *** this purpose,a new method is proposed considering the average distance between objects to determine the initial *** method attempts to provide a proper tradeoff between the accuracy and speed of the clustering *** experimental results showed that our proposed approach outperforms the Chithra with 1.7%and 2.1%in terms of clustering accuracy for Wine and Abalone detection data,***,achieved results indicate that comparing with the Reverse Nearest Neighbor(RNN)search approach,the proposed method has a higher convergence speed.

关键词： Data clustering k-means algorithm information retrieval outlier detection clustering accuracy unsupervised learning

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