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Septic Superficial Femoral Vein Thrombophlebitis Causing Pulmonary Emboli and Respiratory Failure: Case Report and Review of the Literature

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International Journal of Clinical Medicine 2019年第8期10卷 413-420页

作者： Ziad Fayad Paul Guentert Erin Rissler Nuha zackariya Shivani Patel Ali Sualeh Mahmoud Al-Fadhl sufyan zackariya Grant Wiarda Mallory Martin Joseph Lake Sarah Philbrick Mark Walsh General and Vascular Surgery X-Ray Consultants South Bend IN USA Saint Joseph Regional Medical Center Mishawaka IN USA St. Luc Family Hospital Tabarre Haiti Indiana University School of Medicine South Bend Campus South Bend IN USA

Septic pulmonary emboli rarely cause respiratory failure that requires mechanical ventilation. The most common causes of septic pulmonary emboli are related to intravenous drug abuse, indwelling intravenous catheters, endocarditis and septic pelvic thrombophlebitis. In addition, soft tissue injury-related thrombophlebitis rarely causes septic pulmonary emboli. We describe a unique case of a 43-year-old man who developed septic thrombophlebitis of the femoral vein following soft tissue injury from trauma to the shin with ensuing septic pulmonary emboli which necessitated endotracheal intubation and mechanical ventilation. The patient required mechanical ventilation for eleven days, developed empyema and grew out methicillin-resistant Staphylococcus aureus on blood cultures. A transesophageal echocardiogram was normal, and there was no indication of bacterial endocarditis. In addition to eleven days of mechanical ventilation, the patient was treated with intravenous heparin, cefepime and clindamycin. These medications were then discontinued and the patient was treated with weight-adjusted vancomycin. Following the return of cultures, the patient was treated for six weeks with ceftaroline 600 mg IV twice a day. In addition, the patient received bilateral thoracentesis followed by chest tube drainage until resolution of the pleural effusions. The patient made a complete recovery. We describe this case and the implications for differential diagnosis and treatment of these two uncommon conditions.

关键词： Septic Thrombophlebitis Pulmonary Emboli Respiratory Failure Critical Care

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Utilization of Extracorporeal Membrane Oxygenation for Pulmonary Toxicity Caused by Inhaled Synthetic Cannabinoid. A Harbinger of Future Complications Associated with Inhaled Cannabinoid Products

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International Journal of Clinical Medicine 2020年第2期11卷 53-61页

作者： Robert March Paul Guentert Elizabeth Kloska-Kearney David Kwak Cody Yerger Michael McBride J. R. Majewski Ross McCauley Jordan Hatch Jacob Speybroeck Allen Betts Mat Marsee sufyan zackariya Faisal Shariff Shivani Patel Ali Sualeh Anthony Thomas Edward Evans Donald Westerhausen Mark Walsh Saint Joseph Regional Medical Center Mishawaka IN USA Indiana University School of Medicine—South Bend South Bend IN USA Department of Pulmonary and Critical Care Medicine Methodist Hospital Indianapolis IN USA

There has been a dramatic increase in medical complications related to synthetic cannabinoid (SC) use either by water pipe or vaping. The legalization of marijuana in an increasing number of states has also resulted in an increase in a number of complications related not just to marijuana, but in particular, to SC. As a result, there have been recent increased reports of acute pulmonary injury related to inhaled SC products. We describe that rarely endotracheal intubation with mechanical ventilation has been required to treat the acute respiratory distress syndrome (ARDS) and the diffuse alveolar hemorrhage (DAH) associated with the acute toxicity of SC inhalation. We describe the second reported case of successful utilization of mechanical ventilation and extracorporeal membrane oxygenation (ECMO) in order to treat acute pulmonary toxicity caused by SC inhalation by a water pipe. While the exact pathophysiology of these interesting and recent pulmonary complications is unknown, the recent increase in exposure to SC via water pipe systems and vaping suggests that there will be many more cases of patients that will require ECMO as a form of life-saving therapy.

关键词： Synthetic Cannabinoid Extracorporeal Membrane Oxygenation Mechanical Ventilation Water Pipe Vaping Pulmonary Toxicity

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M_(4)X_(3) MXenes:Application in Energy Storage Devices

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Nano-Micro Letters 2024年第10期16卷 522-542页

作者： Iftikhar Hussain Waqas Ul Arifeen Shahid Ali Khan Sikandar Aftab Muhammad sufyan Javed Sajjad Hussain Muhammad Ahmad Xi Chen Jiyun Zhao PRosaiah Khaled Fahmi Fawy Adnan Younis Sumanta Sahoo Kaili Zhang Department of Mechanical Engineering City University of Hong Kong83 Tat Chee AvenueKowloon TongHong KongPeople's Republic of China School of Mechanical Engineering Yeungnam UniversityDaehak-roGyeongsan-siGyeongbuk-do 38541South Korea Department of Semiconductor Systems Engineering and Clean Energy Sejong UniversitySeoul 05006Republic of Korea School of Physical Science and Technology Lanzhou UniversityLanzhou 730000People's Republic of China Department of Nanotechnology and Advanced Materials Engineering Sejong UniversitySeoul 05006Republic of Korea Department of Physics Saveetha School of EngineeringSaveetha Institute of Medical and Technical Sciences(SIMATS)ThandalamChennai 602105India Department of Chemistry Faculty of ScienceKing Khalid UniversityP.O.Box 900461413 AbhaSaudi Arabia Department of Physics College of ScienceUnited Arab Emirates UniversityP.O.Box 15551Al-AinUnited Arab Emirates School of Chemical Engineering Yeungnam UniversityGyeongsanGyeongbuk 38541South Korea

MXene has garnered widespread recognition in the scientific com-munity due to its remarkable properties,including excellent thermal stability,high conductivity,good hydrophilicity and dispersibility,easy processability,tunable surface properties,and admirable *** have been categorized into different families based on the number of M and X layers in M_(n+1)X_(n),such as M_(2)X,M_(3)X_(2),M_(4)X_(3),and,recently,M_(5)X_(4).Among these families,M_(2)X and M_(3)X_(2),par-ticularly Ti_(3)C_(2),have been greatly explored while limited studies have been given to M_(5)X_(4)MXene ***,studies on the M_(4)X_(3)MXene family have developed recently,hence,demanding a compilation of evaluated ***,this review provides a systematic overview of the latest advancements in M_(4)X_(3)MXenes,focusing on their properties and applications in energy storage *** objective of this review is to provide guidance to researchers on fostering M_(4)X_(3)MXene-based nanomaterials,not only for energy storage devices but also for broader applications.

关键词： MXene M_(4)X_(3)MXenes 2D materials Energy storage Properties

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MXene异质结Ti-O-H-O电子快速通道促进高效率储钾

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无机材料学报 2024年

作者：晁少飞薛艳辉吴琼伍复发 Muhammad sufyan Javed 张伟辽宁工业大学材料科学与工程学院兰州大学物理科学与技术学院吉林大学材料科学与工程学院汽车材料教育部重点实验室吉林省高效清洁能源材料国际合作重点实验室电子显微镜中心未来科学国际合作联合实验室

二维层状结构MXenes因其优异的电学性能、可调控的表面官能团而被广泛应用于钾离子超级电容器领域，但其有限的双电容存储容量严重限制了MXenes材料在电极材料的应用。本工作采用“路易斯酸熔盐预刻蚀-液相刻蚀-原位水热复合”策略，制... 详细信息

二维层状结构MXenes因其优异的电学性能、可调控的表面官能团而被广泛应用于钾离子超级电容器领域，但其有限的双电容存储容量严重限制了MXenes材料在电极材料的应用。本工作采用“路易斯酸熔盐预刻蚀-液相刻蚀-原位水热复合”策略，制备出以Ti3C2为基体，表面包覆MnO2的Ti3C2基异质结构，以提高电极材料对钾离子的储存。采用基于密度泛函的第一性原理计算方法，研究了Ti3C2基异质结界面之间的连接方式、电学性质以及钾离子吸附规律的变化。结果表明构建的Ti3C2基异质结对钾离子的最大吸附量扩大3倍左右，且Ti-O-H-O连接通道使MnO2内部的自由电子数目增多，导致Ti3C2基异质结表现出优异的电学性能。三电极体系下的电化学测试结果表明Ti3C2基异质结在1 A·g–1的电流密度下能够提供431 F·g–1的比电容，远远高于Ti3C2(128F·g–1)。并通过的动力学分析阐述Ti3C2基异质结的赝电容储能机理，在100 mV·s–1的电压扫描速率下，其赝电容贡献度高达89%，此外Ti3C2基异质结表现出较小的电化学阻抗，从而提高钾离子传输速率、电子转移速率。本研究通过构筑Ti3C2基异质结，提高了基体Ti3C2的电化学性能，并阐述相应的储能机理，这为其他MXenes基电极材料的设计提供了理论基础。

关键词： Ti C 基异质结离子吸附动力学分析钾离子存储超级电容器

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空位缺陷调控策略构筑高能量密度六方孔洞MXene水系超级电容器

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无机化学学报 2024年第9期40卷 1640-1652页

作者：薛艳辉晁少飞徐曼吴琼伍复发 Muhammad sufyan Javed 辽宁工业大学材料科学与工程学院锦州121001 兰州大学物理科学与技术学院兰州730000

利用碳空位缺陷有序化策略构筑了多层六方孔洞MXene电极材料,在软包超级电容器中实现了高比容量和高能量密度水系钾离子存储。该电极材料具有较大比表面积的三维六方孔洞结构,为储钾提供了更多的活性位点。结合六方孔洞内壁新暴露的钛... 详细信息

利用碳空位缺陷有序化策略构筑了多层六方孔洞MXene电极材料,在软包超级电容器中实现了高比容量和高能量密度水系钾离子存储。该电极材料具有较大比表面积的三维六方孔洞结构,为储钾提供了更多的活性位点。结合六方孔洞内壁新暴露的钛原子的化合价变化引起的赝电容效应,阐明了多层六方孔洞MXene水系钾离子超级电容器比容量提高的内在原因。通过密度泛函理论计算多层六方孔洞MXene对钾离子的吸附能,并结合电化学储钾性能实验及动力学分析,确定了钾离子被吸附的最佳位置,得出了钾离子的吸附规律。通过定量分析多层六方孔洞MXene中电子的能带结构和差分电荷密度等电子传输规律,揭示了其水系钾离子超级电容器具有高电导率和良好倍率性能的内在机理。

关键词：超级电容器六方孔洞MXene 缺陷调控比容量储钾机理

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A Novel Design of an Aquatic Walking Robot Having Webbed Feet

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International Journal of Automation and computing 2017年第5期14卷 576-588页

作者： Saad Kashem Hutomo sufyan Swinburne University of Technology Sarawak CampusJalan Simpang Tiga 93350KuchingSarawakMalaysia

Inspired by the movement of duck that is able to move on land and water utilizing its webbed feet, a novel design of an amphibious robot has been presented in this paper. In contrary, the orthodox design of amphibious robot utilizes the tracks or wheels on land and switches to the propeller to move in water. The proposed design employs same propulsion system as webbed feet to move on land and water. After studying the movement of the duck underwater, a conclusion has been drawn that it is swimming in the water by moving its webbed feet back and forth to generate force to push its body forward. Recreating this phenomenon of duck movement, hybrid robot locomotion has been designed and developed which is able to walk, swim and climb steps using the same propulsion system. Moreover, webbed feet would be able to walk efficiently on muddy, icy or sandy terrain due to uneven distribution of robot weight on the feet. To be able to justify the feasibility of the design, simulations are being carried out using SimulationXpress of the SOLIDWORKS software.

关键词： Amphibious robot webbed feet duck feet robot locomotion swim walk climb propulsion system.

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Design and Implementation of a State-feedback Controller Using LQR Technique

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Computers, Materials & Continua 2022年第11期73卷 2897-2911页

作者： Aamir Shahzad Shadi Munshi sufyan Azam Muhammad Nasir Khan Mechanical Engineering Department The University of LahoreLahorePakistan Mechanical Engineering Department Umm Al-Qura UniversityMakkahSaudi Arabia Electrical Engineering Department The University of LahoreLahorePakistan

The main objective of this research is to design a state-feedback controller for the rotary inverted pendulum module utilizing the linear quadratic regulator(LQR)*** controller maintains the pendulum in the inverted(upright)position and is robust enough to reject external disturbance to maintain its *** research work involves three major contributions:mathematical modeling,simulation,and real-time *** design a controller,mathematical modeling has been done by employing the NewtonEuler,Lagrange *** resulting model was nonlinear so linearization was required,which has been done around a working *** the estimation of the controller parameters,MATLAB LQR function has been *** has been performed for the designed controller and it also has been implemented and tested over the real inverted *** the results,it is vivid that the designed controller keeps the inverted pendulum in an upright position and rejects the disturbances and falling under gravitational force by adjusting the rotation of the horizontal link.

关键词： Mathematical modeling linearization linear quadratic regulator(LQR) nonlinear system rotary inverted pendulum

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A split target detection and tracking algorithm for ballistic missile tracking during the re-entry phase

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Defence Technology（防务技术） 2020年第6期16卷 1142-1150页

作者： Muhammad Asad Sumair Khan Ihsanullah Zahid Mehmood Yifang Shi sufyan Ali Memon Uzair Khan Department of Electrical and Computer Engineering COMSATS University IslamabadAbbottabad CampusPakistan Department of Computer Science COMSATS University IslamabadAbbottabad CampusPakistan Electrical Engineering Department Indus UniversityKarachiPakistan Department of Automation Hangzhou Dianzi UniversityXiasha Higher Education Zone2nd StreetHangzhou310018China

In the re-entry phase of a ballistic missile,decoys can be deployed as a mean to overburden enemy *** results in a single track being split into multiple *** of these track-lets is a critical task as any miss in the tracking procedure can become a cause of a major *** tracking process becomes more complicated in the presence of *** low detection rate is one of the factors that may contribute to increasing the difficulty level in terms of tracking in the cluttered *** work introduces a new algorithm for the split event detection and target tracking under the framework of the joint integrated probabilistic data association(JIPDA)*** proposed algorithm is termed as split event-JIPDA(SE-JIPDA).This work establishes the mathematical foundation for the split target detection and tracking *** performance analysis is made under different simulation conditions to provide a clear insight into the merits of the proposed *** performance parameters in these simulations are the root mean square error(RMSE),confirmed true track rate(CTTR)and confirmed split true track rate(CSTTR).

关键词： Split event probability JIPDA Data association Ballistic missile Estimation

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Computation Analysis of Brand Experience Dimensions: Indian Online Food Delivery Platforms

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Computers, Materials & Continua 2021年第4期67卷 445-462页

作者： sufyan Habib Nawaf N.Hamadneh SAl wadi Ra’ed Masa’deh Department of Business Administration College of Administration and FinanceSaudi Electronic UniversityRiyadh11673Saudi Arabia Department of Basic Sciences College of Science and Theoretical StudiesSaudi Electronic UniversityRiyadh11673Saudi Arabia Department of Risk Management and Insurance The University of JordanAmmanJordan Management Information Systems Department School of BusinessThe University of JordanAmmanJordan

Online Food Delivery Platforms(OFDPs)has witnessed phenomenal growth in the past few years,especially this year due to the COVID-19 *** Pandemic has forced many governments across the world to give momentum to OFD services and make their presence among the *** Presence of several multinational and national companies in this sector has enhanced the competition and companies are trying to adapt various marketing strategies and exploring the brand experience(BEX)dimension that helps in enhancing the brand equity(BE)of *** are critical for building brand loyalty(BL)and making companies *** can experience different kinds of brand experiences through feeling,emotions,affection,behavior,and *** present research work is taken up to analyze the factors affecting BEX and its impact on BL and BE of the OFDPs and analyze the mediating role of BL in the relationship between BEX and BE of the OFDPs in the Indian context.A survey of 457 Indian customers was carried out.A questionnaire was used for data collection and a mediation study was used to test hypothesized *** computational analysis reveals that BEX influences the BL and BE of *** study further indicates that BL mediates the relationship between BEX and BE of *** effective marketing and relationship management practices will help company to enhance BEX that will enable in enhancing BL and raising BE of their *** therefore provides a more thorough analysis of BEX constructs and their consequences than previous *** of the managerial implication,limitations,and scope of future research are also presented in the study.

关键词： Hypothesis tests brand experience online food delivery platform statistical tests COVID-19

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Modulating the microenvironment structure of single Zn atom:ZnN_(4)P/C active site for boosted oxygen reduction reaction

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Chinese Journal of Catalysis 2022年第8期43卷 2193-2201页

作者： Syed Shoaib Ahmad Shah Tayyaba Najam Jiao Yang Muhammad sufyan Javed Lishan Peng Zidong Wei School of Chemistry and Chemical Engineering Chongqing UniversityChongqing 400044China Key Laboratory of Luminescence Analysis and Molecular Sensing Ministry of EducationSchool of Materials and EnergySouthwest UniversityChongqing 400715China College of Chemistry and Environmental Engineering Shenzhen UniversityShenzhen 518060GuangdongChina School of Physical Science and Technology Lanzhou UniversityLanzhou 730000GansuChina School of Chemical Sciences The University of AucklandAuckland 1142New Zealand Ganjiang Innovation Academy Chinese Academy of SciencesGanzhou 341100JiangxiChina

The electronic structure of catalytic active sites can be influenced by modulating the coordination bonding of the central single metal atom,but it is difficult to ***,we reported the single Zn-atom incorporated dual doped P,N carbon framework(Zn-N_(4)P/C)for ORR via engineering the surrounding coordination environment of active *** Zn-N_(4)P/C catalyst exhibited comparable ORR activity(E_(1/2)=0.86 V)and significantly better ORR stability than that of Pt/C *** also shows respectable performance in terms of maximum peak power density(249.6 mW cm^(-2)),specific capacitance(779 mAh g^(-1)),and charge-discharge cycling stability for 150 hours in Zn-air *** high catalytic activity is attributed to the uniform active sites,tunable electronic/geometric configuration,optimized intrinsic activity,and faster mass transfer during ***,theoretical results exposed that the Zn-N_(4)P configuration is more electrochemically active as compared to Zn-N_(4) structure for the oxygen reduction reaction.

关键词： N-,P-doping Oxygen reduction reaction Zn-air battery Single-atom catalyst Microenvironment modulation

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