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A comprehensive musculoskeletal and peripheral nervous system assessment of war-related bilateral upper extremity amputees

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Military Medical Research 2017年第1期4卷 6-13页

作者： Mostafa Allami Batool Mousavi Mehdi Masoumi Ehsan Modirian Hadi Shojaei Fatemeh Mirsalimi Maryam Hosseini pirouz pirouzi Janbazan Medical and Engineering Research Center (JMERC) Tehran Iran. Emergency Medicine School of Medicine Qazvin University of Medical Sciences Qazvin iran Candidate of Health Education and Promotion Department of Health Education and Promotion Faculty of Medical Sciences Tarbiat Modares University Tehran Iran Department of Radiology Imam Hospital Tehran University of Medical Sciences Tehran Iran.

Background: Upper limb amputations are one of the unpleasant war injuries that armed forces are exposed to frequently. The present study aimed to assess the musculoskeletal and peripheral nervous systems in Iraq-Iran war veterans with bilateral upper extremity ***: The study consisted of taking a history and clinical examinations including demographic data, presence and location of pain, level of amputation, passive and active ranges of movement of the joints across the upper and lower extremities and spine, manual palpation, neurological examination, blood circulation pulses and issues related to a prosthetic limb. In this study, 103 Iranian bilateral upper extremity amputees(206 amputations) from the IranIraq war were evaluated, and a detailed questionnaire was also ***: The most common level of amputation was the finger or wrist level(108, 52.4%). Based on clinical examination, we found high frequencies of limited active and passive joint range of movement across the scapula, shoulder, elbow, wrist and metacarpophalangeal, interphalangeal and thumb joints. Based on muscle strength testing, we found varying degrees of weakness across the upper limbs. Musculoskeletal disorders included epicondylitis(65, 31.6%), rotator cuff injury(24, 11.7%), bicipital tendonitis(69, 33.5%), shoulder drop(42, 20.4%) and muscle atrophy(19, 9.2%). Peripheral nerve disorders included carpal tunnel syndrome in 13(6.3%) and unilateral brachial plexus injury in 1(1%). Fifty-three(51.5%) were diagnosed with facet joint syndrome at the level of the cervical spine(the most frequent site). Using a prosthesis was reported by 65(63.1%), both left and right sides. The back was the most common site of pain(71.8%).Conclusion: The high prevalence of neuro-musculoskeletal disorders among bilateral upper extremity amputees indicates that they need regular rehabilitation care.

关键词： Bilateral upper extremity amputation Musculoskeletal disorder Peripheral nerve injury Pain Iraq-Iran war

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Green bio-synthesis of Ni/montmorillonite nanocomposite using extract of Allium jesdianum as the nano-catalyst for electrocatalytic oxidation of methanol

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Chinese Journal of Chemical Engineering 2020年第10期28卷 2555-2565页

作者： Mohammad Hossein Sheikh-Mohseni Sajjad Sedaghat pirouz Derakhshi Aliakbar Safekordi Department of Chemistry Science and Research BranchIslamic Azad UniversityTehranIran Department of Chemistry Shahr-e-Qods BranchIslamic Azad UniversityShahr-e-QodsIran Department of Chemistry North Tehran BranchIslamic Azad UniversityTehranIran

In this work,synthesis of Ni nanoparticles was carried out successfully by water extract of Allium jesdianum as a biochemical reducing agent in the presence of montmorillonite clay(MMT)as a natural solid support for the first *** the electrochemical activity of the synthesized nanocomposite was investigated in methanol electrocatalytic *** with high cation exchange capacity and nano layer structure was exposed to ion exchange conditions in nickel *** Ni^2+ion exchanged form was used in this process as a source of ions and also capping *** extract of Allium jesdianum used as a reducing agent due to abundant availability of phenolic and flavonoid *** synthesized Ni/MMT nanocomposite was characterized using UV–Vis spectroscopy(UV–Vis),Fourier Transform Infrared Spectroscopy(FT-IR),X-ray diffraction(XRD),Scanning Electron Microscopy(SEM),Transmission electron microscopy(TEM)and Energy-dispersive X-ray spectroscopy(EDX).The surface of prepared modified electrode has been characterized using SEM to evaluate the morphology,showing uniform dispersion of Ni nanoparticles with mean diameter of 12 to 20 *** modified carbon paste electrode was then used in methanol electrocatalytic oxidation *** oxidation on the proposed modified electrode surface occurs at 0.6 V and 0.3 V in alkaline and acidic medium ***,the results showed the better performance of modified electrode toward methanol electrocatalytic oxidation in comparison with carbon paste electrode that is modified by ion exchanged *** transfer coefficients and apparent charge transfer rate constant for the modified electrode in the absence of methanol in alkaline medium were respectively found as:αa=0.53,αc=0.37 and ks=1.6×10^-1 s^-***,the average value of catalytic rate constant for the electrocatalytic oxidation of methanol by the prepared nano-catalyst was estimated to be about 0.9 L·mol^-1·s^-1 by chronoamperometry *** prepare

关键词： Green biosynthesis Nanoparticles Montmorillonite Biocatalysis Methanol electrocatalytic oxidation Fuel cell

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Planar System-Masses in an Equilateral Triangle:Numerical Study within Fractional Calculus

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Computer Modeling in Engineering & Sciences 2020年第9期124卷 953-968页

作者： Dumitru Baleanu Behzad Ghanbari Jihad H.Asad Amin Jajarmi Hassan Mohammadi pirouz Department of Mathematics Faculty of Arts and SciencesCankaya UniversityAnkara06530Turkey Institute of Space Sciences Bucharest76900Romania Department of Engineering Science Kermanshah University of TechnologyKermanshahIran Department of Physics College of Arts and SciencesPalestine Technical UniversityTulkarmPalestine Department of Electrical Engineering University of BojnordBojnordIran

In this work,a system of three masses on the vertices of equilateral triangle is *** system is known in the literature as a planar *** first give a description to the system by constructing its classical ***,the classical Euler-Lagrange equations(i.e.,the classical equations of motion)are ***,we fractionalize the classical Lagrangian of the system,and as a result,we obtain the fractional Euler-Lagrange *** the final step,we give the numerical simulations of the fractional model,a new model which is based on Caputo fractional derivative.

关键词： Planar system masses in equilateral triangle springs Euler-Lagrange equations fractional derivative

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Amassing the Security:An Enhanced Authentication and Key Agreement Protocol for Remote Surgery in Healthcare Environment

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工程与科学中的计算机建模（英文） 2023年第1期134卷 317-341页

作者： Tsu-Yang Wu Qian Meng Lei Yang Saru Kumari Matin pirouz Shandong University of Science and Technology Qingdao266400China Chaudhary Charan Singh University MeerutUttar Pradesh250004India California State University Fresno93740USA

The development of the Internet of Things has facilitated the rapid development of various *** the improvement in people’s living standards,people’s health requirements are steadily ***,owing to the scarcity of medical and health care resources in some areas,the demand for remote surgery has gradually *** this paper,we investigate remote surgery in the healthcare *** can operate robotic arms to perform remote surgery for patients,which substantially facilitates successful surgeries and saves ***,Kamil et *** a secure protocol for surgery in the healthcare ***,after cryptanalyzing their protocol,we deduced that their protocols are vulnerable to temporary value disclosure and insider ***,we design an improved authentication and key agreement protocol for remote surgeries in the healthcare ***,we adopt the real or random(ROR)model and an automatic verification tool Proverif to verify the security of our *** security analysis and performance comparison,it is confirmed that our protocol is a relatively secure protocol.

关键词： IoT healthcare security analysis authentication robotic arm ROR

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3D-printed bioactive scaffolds from nanosilicates and PEOT/PBT for bone tissue engineering

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Regenerative Biomaterials 2019年第1期6卷 29-37页

作者： James K.Carrow Andrea Di Luca Alireza Dolatshahi-pirouz Lorenzo Moroni Akhilesh K.Gaharwar Department of Biomedical Engineering Texas A&M UniversityCollege StationTX 77843USA Tissue Regeneration Department MIRA Institute for Biomedical Technology and Technical MedicineUniversity of TwenteEnschedeThe Netherlands DTU Nanotech Center for Intestinal Absorption and Transport of BiopharmaceuticalsTechnical University of Denmark2800 KgsLyngbyDenmark Department of Complex Tissue Regeneration MERLN Institute for Technology-Inspired Regenerative MedicineMaastricht UniversityUniversiteitsingel 406229ER MaastrichtThe Netherlands Department of Materials Science Texas A&M UniversityCollege StationTX 77843USA Center for Remote Health Technologies and Systems Texas A&M UniversityCollege StationTX 77843USA

Additive manufacturing(AM)has shown promise in designing 3D scaffold for regenerative ***,many synthetic biomaterials used for AM are ***,we report synthesis of bioactive nanocomposites from a poly(ethylene oxide terephthalate)(PEOT)/poly(butylene terephthalate)(PBT)(PEOT/PBT)copolymer and 2D nanosilicates for fabricating 3D scaffolds for bone tissue ***/PBT have been shown to support calcification and bone bonding ability in vivo,while 2D nanosilicates induce osteogenic differentiation of human mesenchymal stem cells(hMSCs)in absence of osteoinductive *** effect of nanosilicates addition to PEOT/PBT on structural,mechanical and biological properties is ***,the addition of nanosilicate to PEOT/PBT improves the stability of nanocomposites in physiological conditions,as nanosilicate suppressed the degradation rate of ***,no significant increase in the mechanical stiffness of scaffold due to the addition of nanosilicates is *** addition of nanosilicates to PEOT/PBT improves the bioactive properties of AM nanocomposites as demonstrated in *** readily proliferated on the scaffolds containing nanosilicates and resulted in significant upregulation of osteo-related proteins and production of mineralized *** synergistic ability of nanosilicates and PEOT/PBT can be utilized for designing bioactive scaffolds for bone tissue engineering.

关键词： 3D printing nanocomposites two dimensional(2D)nanoparticles copolymer tissue engineering

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Convective heat transfer from two rotating circular cylinders in tandem arrangement by using lattice Boltzmann method

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Applied Mathematics and Mechanics(English Edition) 2012年第4期33卷 427-444页

作者： H. NEMATI M. FARHADI K. SEDIGHI M. M. pirouz N. N. ABATARI Faculty of Mechanical Engineering Babol Noshirvani University of Technology

The numerical investigation of the two-dimensional laminar flow past two ro- tating circular cylinders in the tandem arrangement is conducted by the lattice Boltzmann method. The numerical strategy is used for dealing with curved and moving boundaries of the second-order accuracy for velocity and temperature fields. The effects of various rotational speed ratios and gap spacing are studied with the Reynolds number of 100 and the Prandtl number of 0.71. A varied range of rotational speed ratios are investigated for four different gap spacing, i.e., 3.0, 1.5, 0.7, and 0.2. The results show that, for the first cylinder, the lift and drag coefficients for large gap spacing are similar to those for a single cylinder; for the second cylinder, the lift coefficient descends with the increase in the angular velocity for all gap spacing, while the drag coefficient ascends except for the gap spacing of 3.0. The results of the averaged periodic Nusselt number on the surface of the cylinders show that, for small distances between the cylinders and low angular velocities, conduction is a dominant mechanism of heat transfer, but for large distances and high angular velocities, convection is the main mechanism of heat transfer.

关键词： lattice Boltzmann method rotating circular cylinder laminar flow curvedand moving boundary

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Chemical characterization of fine and ultrafine PM, direct and indirect genotoxicity of PM and their organic extracts on pulmonary cells

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Journal of Environmental Sciences 2018年第9期30卷 168-178页

作者： Sylvain Billet Yann Landkocz Perrine J. Martin Anthony Verdin Frederic Ledoux Capucine Lepers Veronique Andre Fabrice Cazier Francois Sichel pirouz Shirali Pierre Gosset Dominique Courcot University of the Littoral Opal Coast Unit of Environmental Chmistry and Interactions with Liuing Organisms UCEIV EA4492 SFR Condorcet FR CNRS 3417 Dunkerque France Normandy Uniu UNICAEN ABTE EA4651 Caen France University of the Littoral Opal Coast Common Centre of Measurements CCM Dunkerque France Centre Francois Baclesse Caen France Department of Anatomy and Pathological Cytologly Saint-Vincent Hospital Catholic Hospital Lille France

Particulate matter in ambient air constitutes a complex mixture of fine and ultrafine particles composed of various chemical compounds including metals, ions, and organics. A multidisciplinary approach was developed by studying physico-chemical characteristics and mechanisms involved in the toxicity of particulate atmospheric pollution. PM0.3-2.s and PM2.5 including ultrafine particles were sampled in Dunkerque, a French industrialized seaside city. PM samples were characterized from a chemical and toxicological point of view. Physico-chemical characterization evidenced that PM2.5 comes from several sources： natural ones, such as soil resuspension and marine sea-salt emissions, as well as anthropogenic ones, such as shipping traffic, road traffic, and industrial activities. Human BEAS-2B tung cells were exposed to PM0.3-2.5, or to the Extractable Organic Matter （EOM） of PM0.3-2.5 and PM2.s. These exposures induced several mechanisms of action implied in the genotoxicity, such as oxidative DNA adducts and DNA Damage Response. The toxicity of PM-EOM was higher for the sample including the ultrafine fraction （PM2.5） containing also higher concentrations of polycyclic aromatic hydrocarbons. These results evidenced the major role of organic compounds in the toxicity of PM.

关键词： Air pollution particulate matter PM2.5 Ultrafine particles Physico-chemical characterization Biotransformation Genotoxicity

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Characterisation and seasonal variations of particles in the atmosphere of rural, urban and industrial areas：Organic compounds

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Journal of Environmental Sciences 2016年第6期28卷 45-56页

作者： Fabrice Cazier Paul Genevray Dorothée Dewaele Habiba Nouali Anthony Verdin Frédéric Ledoux Adam Hachimi Lucie Courcot Sylvain Billet Saad Bouhsina pirouz Shirali Guillaume Garcon Dominique Courcot Common Center of Measurements (CCM) Univ. Littoral Cote d'Opale F-59140 Dunkirk France Unit of Environmental Chemistry and Interactions with Life UCEIV-EA4492 Univ. Littoral Cote d'Opale F-59140 Dunkirk France MicroPolluants Technologie SA 4 Rue de Bort Les Orgues F-57070 Saint Julien Les Metz France Oceanology and Geosciences Laboratory LOG UMR 8187 Univ. Littoral C6te d'Opale F-62230 Wimereux France Impact of Chemical Environment on Human Health Univ. Lille CHU Lille Institut Pasteur de Lille EA4483-IMPECS 59000 LILLE France

Atmospheric aerosol samples（PM2.5–0.3, i.e., atmospheric particles ranging from 0.3 to2.5 μm） were collected during two periods： spring–summer 2008 and autumn–winter 2008–2009, using high volume samplers equipped with cascade impactors. Two sites located in the Northern France were compared in this study： a highly industrialised city（Dunkirk） and a rural site（Rubrouck）. Physicochemical analysis of particulate matter（PM） was undertaken to propose parameters that could be used to distinguish the various sources and to exhibit seasonal variations but also to provide knowledge of chemical element composition for the interpretation of future toxicological studies. The study showed that PM2.5–0.3concentration in the atmosphere of the rural area remains stable along the year and was significantly lower than in the urban or industrial ones, for which concentrations increase during *** concentrations of polycyclic aromatic hydrocarbons（PAHs）, dioxins, furans and dioxin like polychlorinated biphenyls（DL-PCBs）, generated by industrial activities, traffic and municipal wastes incineration were detected in the samples. Specific criteria like Carbon Preference Index（CPI） and Combustion PAHs/Total PAHs ratio（CPAHs/TPAHs） were used to identify the possible sources of atmospheric pollution. They revealed that paraffins are mainly emitted by biogenic sources in spring–summer whereas as in the case of PAHs, they have numerous anthropogenic emission sources in autumn-winter（mainly from traffic and domestic heating）.

关键词： Environmental monitoring Airborne particles PAHs Paraffins Dioxins

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ZnGeN2晶体的结构和物性表征

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电子显微学报 2006年第S1期 23-24页

作者：杜奎 Bekele C Hayman C C pirouz P Kash K 中国科学院金属研究所沈阳材料科学国家(联合)实验室 Case Western Reserve University 10900 Euclid AvenueClevelandOH44106USA

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ZnGeN2晶体的结构和物性表征

ZnGeN2晶体的结构和物性表征

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2006年全国电子显微学会议

作者：杜奎 Bekele C Hayman CC pirouz P Kash K 中国科学院金属研究所沈阳材料科学国家(联合)实验室 Case Western Reserve University 10900 Euclid AvenueClevelandOH 44106USA

ZnGeN的带隙宽度与 GaN 仅相差100meV,而且其相似的化合物 ZnSiN和 ZnSnN分别具有较大和较小的带隙宽度,因此,ZnGeN-ZnSiN-ZnSnN合金有潜力形成类似于 GaN-MN-InN 的半导体体系。此外,ZnGeN的晶格常数与 GaN 相差不到百分之一,也有可能... 详细信息

ZnGeN的带隙宽度与 GaN 仅相差100meV,而且其相似的化合物 ZnSiN和 ZnSnN分别具有较大和较小的带隙宽度,因此,ZnGeN-ZnSiN-ZnSnN合金有潜力形成类似于 GaN-MN-InN 的半导体体系。此外,ZnGeN的晶格常数与 GaN 相差不到百分之一,也有可能作为 GaN 晶体生长的基体。但是,目前对 ZnGeN 晶体生长,结构和物理性能研究的报道较少。早期报道中曾经通过 Zn 与 GeN或者

关键词： ZnGeN2晶体晶体结构带隙宽度溅射沉积物理性能表征

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