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Potential of eNose Technology for Monitoring Biological CO_(2) Conversion Processes

Transactions of Tianjin University 2024年第5期30卷 381-394页

作者： Muhammad Awais syed Muhammad Zaigham Abbas Naqvi Sami Ullah Khan MIjaz Khan Sherzod Abdullaev Junfeng Wu Wei Zhang Jiandong Hu Department of Electrical Engineering Henan Agricultural UniversityZhengzhou 450002China Henan International Joint Laboratory of Laser Technology in Agriculture Sciences Zhengzhou 450002China State Key Laboratory of Wheat and Maize Crop Science Zhengzhou 450002China Department of Mathematics Namal UniversityTalagang RoadMianwali 42250Pakistan Department of Mechanical Engineering Prince Mohammad Bin Fahd University31952 Al-KhobarKingdom of Saudi Arabia Faculty of Chemical Engineering New Uzbekistan UniversityTashkentUzbekistan Scientific and Innovation Department Tashkent State Pedagogical UniversityTashkentUzbekistan

Electronic nose(eNose) is a modern bioelectronic sensor for monitoring biological processes that convert CO_(2) into valueadded products, such as products formed during photosynthesis and microbial fermentation. eNose technology uses an array of sensors to detect and quantify gases, including CO_(2), in the air. This study briefly introduces the concept of eNose technology and potential applications thereof in monitoring CO_(2) conversion processes. It also provides background information on biological CO_(2) conversion processes. Furthermore, the working principles of eNose technology vis-à-vis gas detection are discussed along with its advantages and limitations versus traditional monitoring methods. This study also provides case studies that have used this technology for monitoring biological CO_(2) conversion processes. eNose-predicted measurements were observed to be completely aligned with biological parameters for R~2 values of 0.864, 0.808, 0.802, and 0.948. We test eNose technology in a variety of biological settings, such as algae farms or bioreactors, to determine its effectiveness in monitoring CO_(2) conversion processes. We also explore the potential benefits of employing this technology vis-à-vis monitoring biological CO_(2) conversion processes, such as increased reaction efficiency and reduced costs versus traditional monitoring methods. Moreover, future directions and challenges of using this technology in CO_(2) capture and conversion have been discussed. Overall, we believe this study would contribute to developing new and innovative methods for monitoring biological CO_(2) conversion processes and mitigating climate change.

关键词： Electronic nose(eNose) CO_(2)conversion Biological monitoring Gas detection Bioelectronic nose

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Systematic Review:Load Balancing in Cloud Computing by Using Metaheuristic Based Dynamic Algorithms

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Intelligent Automation & Soft Computing 2024年第3期39卷 437-476页

作者： Darakhshan syed Ghulam Muhammad Safdar Rizvi Department of Computer Science Bahria UniversityKarachi CampusKarachiPakistan

Cloud Computing has the ability to provide on-demand access to a shared resource *** has completely changed the way businesses are managed,implement applications,and provide *** rise in popularity has led to a significant increase in the user demand for ***,in cloud environments efficient load balancing is essential to ensure optimal performance and resource *** systematic review targets a detailed description of load balancing techniques including static and dynamic load balancing ***,metaheuristic-based dynamic load balancing algorithms are identified as the optimal solution in case of increased *** a cloud-based context,this paper describes load balancing measurements,including the benefits and drawbacks associated with the selected load balancing *** also summarizes the algorithms based on implementation,time complexity,adaptability,associated issue(s),and targeted QoS ***,the analysis evaluates the tools and instruments utilized in each investigated ***,comparative analysis among static,traditional dynamic and metaheuristic algorithms based on response time by using the CloudSim simulation tool is also ***,the key open problems and potential directions for the state-of-the-art metaheuristic-based approaches are also addressed.

关键词： Cloud computing load balancing metaheuristic algorithm dynamic algorithm load balancer QoS

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Chemical constituents and anticoagulant activity from Delphinium brunonianum Royle

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未来食品学报(英文) 2024年第3期4卷 241-247页

作者： Changyang Ma Sitan Chen syed Arif Hussain Rizvi Huihui Zhou Wenyi Kang Xuefeng Xi Zhenhua Liu National R&D Center for Edible Fungus Processing Technology Henan UniversityKaifeng 475004China Joint International Research Laboratory of Food&Medicine Resource Function Henan ProvinceKaifeng 475004China Pakistan Agricultural Research Council Islamabad 450000Pakistan College of Physical Education Henan UniversityKaifeng 475004China

Delphinium brunonianum Royle belongs to Ranunculaceae family and has the effects of dispelling wind to relieve itching and cooling blood to *** was found that the extracts of *** had good anticoagulant activity which was extracted with 70%ethanol in our previous ***,16 compounds were isolated and identified from the extract of ***,among which compounds 5,7-10,12,14,15-16 were isolated from this genus for the first time,and compounds 2-4 were isolated from this plant for the first *** the coagulation activity assay showed that compounds 10,14 and 15 had good anticoagulant activity by activated partial thromboplastin time(APTT),thrombin time(TT)and prothrombin time(PT)in vitro.

关键词： Delphinium brunonianum Royle 9-Hydroxy-megastigma-4,7-dien-3-one-9-β-Dglucopyranoside 4-O-α-D-Glucosyl benzoic acid Isolariciresinol 4-O-β-D-glucopyranoside Anticoagulant activity

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Modeling transmission dynamics of Ebola virus disease

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International Journal of Biomathematics 2017年第4期10卷 297-331页

作者： Mudassar imran Adnan Khan Ali R. Ansari syed Touqeer Hussain shah International Center for Applied Mathematics and Computational Bioengineering Department of Mathematics and Natural Sciences Gulf University for Science and Technology Hawally Kuwait Department of Mathematics Lahore University of Management Sciences Lahore Pakistan

Ebola virus disease （EVD） has emerged as a rapidly spreading potentially fatal disease. Several studies have been performed recently to investigate the dynamics of EVD. In this paper, we study the transmission dynamics of EVD by formulating an SEIR-type transmission model that includes isolated individuals as well as dead individuals that are not yet buried. Dynamical systems analysis of the model is performed, and it is consequently shown that the disease-free steady state is globally asymptotically stable when the basic reproduction number, R0 is less than unity. It is also shown that there exists a unique endemic equilibrium when R0 〉 1. Using optimal control theory, we propose control strategies, which will help to eliminate the Ebola disease. We use data fitting on models, with and without isolation, to estimate the basic reproductive numbers for the 2014 outbreak of EVD in Liberia and Sierra Leone.

关键词： Ebola virus disease endemic equilibrium basic reproduction number hos-pitalization infectiousness optimal control transmission dynamics time series datafitting.

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Herding behavior in Ramadan and financial crises: the case of the Pakistani stock market

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Financial Innovation 2018年第1期4卷 242-255页

作者： imran Yousaf Shoaib Ali syed Zulfiqar Ali shah Management Sciences Capital University of Science and TechnologyIslamabadPakistan Air University School of Management Air UniversityIslamabadPakistan International Islamic University IslamabadPakistan.

This study examines herding behavior in the Pakistani Stock Market under different market conditions,focusing on the Ramadan effect and Crisis period by using data from 2004 to *** regression models of Christie and Huang(Financ Analysts J 51:31-37,1995)and Chang et al.,(J Bank Finance 24:1651-1679,2000)are used for herding *** based on daily stock data reveal that there is an absence of herding behavior during rising(up)and falling(down)market as well as during high and low volatility in *** herding behavior is detected during low trading volume *** analysis shows that herding existed during 2005,2006 and 2007,while it is not evident during rest of the ***,herding behavior is not detected during ***,during financial crisis of 2007-08,Pakistani Stock Market exhibits herding behavior due to higher uncertainty and information asymmetry.

关键词： Herding behavior Financial crisis Ramadan effect Stock markets

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Prevalence of post-traumatic stress disorder and depressive symptoms among civilians residing in armed conflict-affected regions:a systematic review and meta-analysis

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General Psychiatry 2024年第3期37卷 324-334页

作者： syed Hassan Ahmed Aabia Zakai Maha Zahi Muhammad Youshay Jawad Rui Fu Michael Chaiton Dow University of Health Sciences KarachiPakistan Department of Psychiatry and Behavioral Health Penn State College of MedicineHersheyPennsylvaniaUSA Dalla Lana School of Public Health University of TorontoTorontoOntarioCanada institute of Mental Health Policy Research The Center of Addiction and Mental HealthTorontoOntarioCanada

Background Globally,populations afflicted by armed conflict are known to have high rates of mental health *** This meta-analysis aims to estimate the prevalence of post-traumatic stress disorder(PTSD)and depressive symptoms among civilians residing in armed conflictaffected *** This meta-analysis was conducted in accordance with the Preferred Reporting Items forSystematic Reviews and Meta-Analyses.A literature search employing MEDLINE(R),Embase Classic+Embase,APA PsyclNFO,Ovid Healthstar,Journal@Ovid Full Text,Cochrane,PTSDpubs and CINAHL was conducted from inception until 19 March 2024 to identify relevant *** assessment was performed using the Joanna Briggs Institute Critical Appraisal Checklist for Prevalence Studies,and a Comprehensive Meta-Analysiswas usedto conduct the statistical *** The search yielded 38595 articles,of which 57 were considered eligible for *** included studies comprised data from 64596 *** estimated a prevalence of 23.70%(95%CI 19.50%to28.40%)forPTSD symptomsand 25.60%(95%Cl 20.70%to 31.10%)for depressive features among war-afflicted *** subgroup analysis based on time since the war and the country's economic status revealed the highest prevalence for both PTSD and depressive symptoms was present during the years of war and in low/*** The results of this study provide conclusive evidence of the detrimental impacts of armed conflict on mental health ***,it is crucial to emphasise the significance of both physical and mental health in the aftermath of war and take appropriate humanistic measures to overcome challenges in the management of psychiatric illnesses.

关键词： analysis stress armed

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Environmental impact of energy imports:Natural resources income and natural gas production profitability in the Asia-Pacific Economic Cooperation Countries

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Geoscience Frontiers 2024年第2期15卷 125-139页

作者： Aimin Pan Si Xu syed Anees Haider Zaidi School of Business Hunan University of Science and TechnologyXiangtanChina School of Tourism and Economic Management Nanchang Normal UniversityNanchangChina Faculty of Economic Sciences University of WarsawPoland

Environmental degradation is a pressing global concern,with the energy sector being one of the major contributors to this *** environmental impact of energy imports,particularly regarding natural resources income and natural gas production profitability,cannot be *** must assess the environmental consequences of their energy choices and take steps to minimize their *** transitioning to cleaner and more sustainable energy sources,countries can ensure a better future for the environment and their *** study examines the impact of energy imports and natural resources income on environmental degradation in the Asia-Pacific Economic Cooperation(APEC)countries from 1990 to 2020,using revenue minus the production cost of natural gas and electricity production from renewable sources as moderating ***-run estimates are derived using the Generalized Method of Moments and robust least *** findings elucidate that importing energy from countries specializing in renewable energy can help reduce reliance on fossil *** diversification of energy sources decreases the overall carbon footprint and contributes to a cleaner *** gas production often involves infrastructure construction,such as drilling rigs and pipelines,which can disrupt natural habitats and wildlife *** destruction of ecosystems can have long-term consequences on biodiversity and ecological *** environmental impact of energy imports,particularly related to natural resource income and natural gas production profitability,requires BRICS countries to take proactive *** nations can address the environmental challenges associated with their energy demands by implementing policies prioritizing sustainable resource management,carbon pricing,stringent regulation,and investment in research and *** doing so,they can balance economic growth and environmental sustainability,ensuring a greener future for the BRICS

关键词： Energy imports Environmental degradation Natural resources income Renewable energy APEC countries

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氯化铵溶液加速水泥基材料钙溶蚀的最佳浓度

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常州大学学报（自然科学版） 2024年第5期36卷 71-77页

作者：王少伟高文龙肖焰钰吴佳雯 syed Piyar Ali shah 常州大学城市建设学院江苏常州213164

选取0.2~6.0 mol/L的NH_(4)Cl溶液作为溶蚀介质,使用全浸泡法对纯水泥净浆试件开展加速溶蚀试验,研究不同浓度NH_(4)Cl溶液浸泡下试件的溶蚀深度、钙溶蚀量以及孔隙率随溶蚀时间的变化规律,并通过X射线衍射分析进行微观机理解释。结果发... 详细信息

选取0.2~6.0 mol/L的NH_(4)Cl溶液作为溶蚀介质,使用全浸泡法对纯水泥净浆试件开展加速溶蚀试验,研究不同浓度NH_(4)Cl溶液浸泡下试件的溶蚀深度、钙溶蚀量以及孔隙率随溶蚀时间的变化规律,并通过X射线衍射分析进行微观机理解释。结果发现,随着NH_(4)Cl溶液浓度的升高,其对溶蚀深度和钙溶蚀量的时间变化规律拟合所得Fick扩散定律比例系数分别呈先线性增大、后线性降低和负指数函数增长的演变规律,浸泡81 d后的试件溶蚀区相同深度处的CaCO_(3)衍射峰呈先降低、后增大的趋势。NH_(4)Cl溶液浓度过高,将导致溶蚀环境下固相含钙水化物的溶解-扩散过程明显偏离自然浸水环境下水泥基材料的钙溶蚀机理,NH_(4)Cl浸泡液浓度以3 mol/L为最佳。

关键词：水泥基材料钙溶蚀 NH 4Cl溶液浸泡法最佳浓度

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A Sparse Optimization Approach for Beyond 5G mmWave Massive MIMO Networks

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Computers, Materials & Continua 2022年第8期72卷 2797-2810页

作者： Waleed shahjehan Abid Ullah syed Waqar shah imran Khan Nor Samsiah Sani Ki-Il Kim Department of Electrical Engineering University of Engineering and Technology PeshawarPakistan Center for Artificial Intelligence Technology Faculty of Information Science&TechnologyUniversiti KebangsaanKajang43000Malaysia Department of Computer Science and Engineering Chungnam National UniversityDaejeon34134Korea

Millimeter-Wave(mmWave)Massive MIMO is one of the most effective technology for the fifth-generation(5G)wireless *** improves both the spectral and energy efficiency by utilizing the 30–300 GHz millimeter-wave bandwidth and a large number of antennas at the base ***,increasing the number of antennas requires a large number of radio frequency(RF)chains which results in high power *** order to reduce the RF chain’s energy,cost and provide desirable quality-ofservice(QoS)to the subscribers,this paper proposes an energy-efficient hybrid precoding algorithm formm Wave massive MIMO networks based on the idea of RF chains *** sparse digital precoding problem is generated by utilizing the analog precoding ***,it is jointly solved through iterative fractional programming and successive convex optimization(SCA)*** results show that the proposed scheme outperforms the existing schemes and effectively improves the system performance under different operating conditions.

关键词： 5G mmwave precoding massive mimo complexity

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Appearance Based Dynamic Hand Gesture Recognition Using 3D Separable Convolutional Neural Network

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Computers, Materials & Continua 2023年第7期76卷 1213-1247页

作者： Muhammad Rizwan Sana Ul Haq Noor Gul Muhammad asif syed Muslim shah Tariqullah Jan Naveed Ahmad Department of Electronics University of PeshawarPeshawar25120Pakistan Department of Electronics Engineering Korea Polytechnic UniversitySiheungKorea Department of Electrical Engineering Capital University of Science and TechnologyIslamabad44000Pakistan Department of Electrical Engineering University of Engineering and TechnologyPeshawar25120Pakistan Department of Computer Science Prince Sultan UniversityRiyadh11586Saudi Arabia

Appearance-based dynamic Hand Gesture Recognition(HGR)remains a prominent area of research in Human-Computer Interaction(HCI).Numerous environmental and computational constraints limit its real-time *** addition,the performance of a model decreases as the subject’s distance from the camera *** study proposes a 3D separable Convolutional Neural Network(CNN),considering the model’s computa-tional complexity and recognition *** 20BN-Jester dataset was used to train the model for six gesture *** achieving the best offline recognition accuracy of 94.39%,the model was deployed in real-time while considering the subject’s attention,the instant of performing a gesture,and the subject’s distance from the *** being discussed in numerous research articles,the distance factor remains unresolved in real-time deployment,which leads to degraded recognition *** the proposed approach,the distance calculation substantially improves the classification performance by reducing the impact of the subject’s distance from the ***,the capability of feature extraction,degree of relevance,and statistical significance of the proposed model against other state-of-the-art models were validated using t-distributed Stochastic Neighbor Embedding(t-SNE),Mathew’s Correlation Coefficient(MCC),and the McNemar test,*** observed that the proposed model exhibits state-of-the-art outcomes and a comparatively high significance level.

关键词： 3D separable CNN computational complexity hand gesture recognition human-computer interaction

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