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Glutathione (GSH) improves sperm quality and testicular morphology in streptozotocin-induced diabetic mice

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Asian Journal of Andrology 2021年第3期23卷 281-287页

作者： Fathiah abdullah Mohamed Noor Khan Nor-Ashikin Renu Agarwal Yuhaniza Shafinie Kamsani Mastura Abd Malek Nor Salmah Bakar Aqila-Akmal Mohammad Kamal Mimi-Sophia Sarbandi Nor-Shahida abdul Rahman Nurul Huda Musa Maternofetal and Embryo Research Group(MatE) Faculty of MedicineUniversiti Teknologi MARASelangor BranchSungai Buloh CampusSungai Buloh 47000SelangorMalaysia Faculty of Applied Sciences Universiti Teknologi MARAPerak BranchTapah CampusTapah Road 35400PerakMalaysia Faculty of Medicine Universiti Teknologi MARASelangor BranchSungai Buloh CampusSungai Buloh 47000SelangorMalaysia School of Medicine International Medical UniversityBukit JalilKuala Lumpur 57000Malaysia Faculty of Health Sciences Universiti Teknologi MARASelangor BranchPuncak Alam CampusBandar Puncak Alam 42300SelangorMalaysia Centre of Foundation Studies Universiti Teknologi MARASelangor BranchDengkil CampusDengkil 43800SelangorMalaysia

Diabetes mellitus(DM)is known to cause reproductive *** men,it has been linked to altered sperm quality and testicular *** stress(OS)plays a pivotal role in the development of DM ***(GSH)is a part of a nonenzymatic antioxidant defense system that protects lipid,protein,and nucleic acids from oxidative ***,the protective effects of exogenous GSH on the male reproductive system have not been comprehensively *** study determined the impact of GSH supplementation in ameliorating the adverse effect of type 1 DM on sperm quality and the seminiferous tubules of diabetic C57BL/6NTac *** at the doses of 15 mg kg^(-1)and 30 mg kg^(-1)was given intraperitoneally to mice weekly for 6 consecutive *** mice were then weighed,euthanized,and had their reproductive organs *** diabetic(D Group)showed significant impairment of sperm quality and testicular histology compared with the nondiabetic(ND Group).Diameters of the seminiferous lumen in diabetic mice treated with 15 mg kg^(-1) GSH(DGSH15)were decreased compared with the D *** motility was also significantly increased in the DGSH15 *** in testicular morphology might be an early indication of the protective roles played by the exogenous GSH in protecting sperm quality from effects of untreated type 1 DM or diabetic *** investigation using different doses and different routes of GSH is necessary to confirm this suggestion.

关键词： diabetes mellitus glutathione mice sperm quality testis histology

A Compact Size 5G Hairpin Bandpass Filter with Multilayer Coupled Line

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Computers, Materials & Continua 2021年第12期69卷 4025-4042页

作者： Qazwan abdullah Ömer Aydogdu Adeeb Salh Nabil Farah md.Hairul Nizam Talib Taha Sadeq Mohammed A.A.Al-Mekhalfi Abdu Saif Faculty of Electrical and Electronic Engineering Selçuk UniversityKonyaTurkey Faculty of Engineering and Natural Sciences Konya Technical UniversityKonyaTurkey Faculty of Engineering Technology Universiti Tun Hussein Onn MalaysiaPagohMuarJohorMalaysia Faculty of Electrical Engineering Universiti Teknikal Malaysia MelakaMelakaMalaysia Faculty of Engineering and Science Universiti Tunku Abdul RahmanSungai Long CampusSelangor43000Malaysia Faculty of Electrical Engineering Department University of MalayaKuala LumpurMalaysia

The multilayer structure is a promising technique used to minimize the size of planar microstrip *** the flexible design and incorporation of other microwave components,multilayer band-pass filter results in better and enhanced *** paper introduces a microstrip fifth-generation(5G)low-frequency band of 2.52–2.65 GHz using a parallel-coupled line(PCL)Bandpass filter and multilayer(ML)hairpin Bandpass *** targeted four-pole resonator has a center frequency of 2.585 GHz with a bandwidth of 130 *** filters are designed with a 0.1 dB passband ripple with a Chebyshev *** hairpin-line offers compact filter design ***,they can be obtained by bending half-wavelength resonator resonators with parallel couplings into a“U”*** proposed configuration of the parllel-coupled line resonator is used to design the ML band-pass *** FR4 substrate with a dielectric constant(Er)of 4.3 and 1.6 mm thickness was used.A comparative analysis between the simulated insertion loss and the reflection cofficient of substrates RO3003 and FR4 was performed to validate the eficiency of the proposed filter *** of PCL filter is accom-plished using computer simulation technology(CST)and an advanced design system(ADS)*** PCL Bandpass filter was experimentally validated and a total tally between simulation results and measured results were achieved demonstrating a well-measured reflection *** simulated results obtained by the hairpin ML bandpass filter show that the circuit performs well in terms of Scattering(S)parameters and the filter size is significantly reduced.

关键词： Band-pass filter 5G hairpin multi-layer size reduction parallelcoupled line

The present status of infectious diseases of laboratory animals in Bangladesh

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中国实验动物学报 2005年第S1期13卷 18-页

作者： abdul Awal Dept. of Pharmacology Bangladesh Agricultural University Mymensingh-2202Bangladesh& President BALAS (Bangladesh Association for laboratory Animal Science)Md.DVM Ph.DProfessor

Impact of COVID-19 on Higher Education System:University Student’s Perspective

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Journal of International Education and Practice 2021年第1期4卷 1-15页

作者： Nusrat Nasir Nimnee md.abdul Halim Department of Economics Mawlana Bhashani Science and Technology UniversityTangailBangladesh Department of Business Administration Mawlana Bhashani Science and Technology UniversityTangailBangladesh

Using a qualitative research approach,the current analysis aimed to investigate the COVID-19 pandemic's effect on Bangladesh's higher education from the viewpoint of *** report comprises a survey of 300 students from higher education *** Convenience sampling method is used to pick fifty university students for the study to collect enough data to answer the test *** were students from Bangladesh's eight universities(five public universities and three private universities)and three other *** pandemic of COVID-19 has wreaked havoc on all facets of human life,including *** has culminated in learning experiences that have never been seen *** schools and universities have shut their doors and moved their teaching and learning to the *** study found that there has an effect of COVID-19 on the higher education system in *** the government and private universities are required to work together to resolve the academic delays as fast as possible,such as the closing of educational schools and the transition to online schooling,which have a serious impact on the education sector and students'*** is the first study of *** study tries to find out the problem of education systems and solving the problem of Bangladesh which will be a great effect on the education system of Bangladesh and the economy.

关键词： Education systems COVID-19 Multinomial Logistic

Technical Analysis of Security Management in Terms of Crowd Energy and Smart Living

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Journal of Electronic Science and Technology 2018年第4期16卷 367-378页

作者： md.Shahrukh Adnan Khan Muhammad Ahad Rahman Miah Shaikh Rashedur Rahman Mirza Mursalin Iqbal Aseef Iqbal Aravind CV Chua Kein Huat Department of Electrical and Electronic Engineering University of Asia Pacific Dhaka 1205 Bangladesh. Technical University of Munich Munich D-80333 Germany. Department of Computer Science and Engineering Chittagong Independent University ChittagongBangladesh. Taylor’s University Subang Jaya 47500 Malaysia. Universiti Tunku abdul Rahman Kampar 31900 Malaysia.

In this paper, a technical and statistical analysis of security system and security management is provided for crowd energy and smart living. At the same time, a clear understanding is made for crowd energy concept and next generation smart living. Various case examples have been studied and a brief summary has been ***, a statistical analysis has been provided in terms of security management in smart living where it is found that young technocrats give the highest importance to security management in smart living. Last but not the least, current limitation, constraints, and future scope of security implementation have been discussed in terms of crowd energy clustered with next generation smart living.

关键词： Crowd energy security management smart living statistical analysis

Energy-Efcient Transmission Range Optimization Model for WSN-Based Internet of Thing

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Computers, Materials & Continua 2021年第6期 2989-3007页

作者： md.jalil Piran Sandeep Verma Varun G.Menon Doug Young Suh Department of Computer Science and Engineering Sejong UniversitySeoulKorea Department of Electronics and Communication Engineering D.B.R.A.National Institute of TechnologyJalandharIndia SCMS School of Engineering and Technology ErnakulamIndia Department of Electronics Engineer Kyung Hee UniversityYonginKorea

With the explosive advancements in wireless communications and digital electronics,some tiny devices,sensors,became a part of our daily life in numerous *** sensor networks(WSNs)is composed of tiny sensor *** have emerged as a key technology enabling the realization of the Internet of Things(IoT).In particular,the sensor-based revolution of WSN-based IoT has led to considerable technological growth in nearly all circles of our life such as smart cities,smart homes,smart healthcare,security applications,environmental monitoring,***,the limitations of energy,communication range,and computational resources are bottlenecks to the widespread applications of this *** order to tackle these issues,in this paper,we propose an Energy-efcient Transmission Range Optimized Model for IoT(ETROMI),which can optimize the transmission range of the sensor nodes to curb the hot-spot problem occurring in multi-hop *** particular,we maximize the transmission range by employing linear programming to alleviate the sensor nodes’energy consumption and considerably enhance the network longevity compared to that achievable using state-of-the-art *** extensive simulation results,we demonstrate the superiority of the proposed *** is expected to be extensively used for various smart city,smart home,and smart healthcare applications in which the transmission range of the sensor nodes is a key concern.

关键词： Internet of Things wireless sensor networks routing transmission range optimization energy-efciency hot-spot problem linear programing

Competition and Profitability of Banks: Empirical evidence from the Middle East & North African (MENA) Countries

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Journal of Business Administration Research 2020年第2期3卷 26-37页

作者： Syed Moudud-Ul-Huq md.abdul Halim Tanmay Biswas Department of Business Administration Mawlana Bhashani Science and Technology University

This paper uses generalized method of moments(GMM),Least Squares(LS)and Generalized Linear Model(GLM)to examine the impact of competition on profitability of banks and Stochastic Frontier approach(SFA)is used to estimate of cost *** have used an unbalanced panel dataset from a sample of emerging economic MENA countries over the period between 2011 and *** find out that have a significant and negative impact of competition on profitability of *** empirical findings of this study suggest that(1)MENA banks should more improve the process of managing and monitoring the loan segment business;the result which reducing in the level of credit risk which leads to higher profitability(2)MENA banks should shrink higher level of banking sector development.(3)MENA banks should make full conduct of available funds to engage in various natures of businesses;if there is an issue of insolvency,robust government support would give protection to MENA ***,it also provides some compulsory policy implications which will be very much beneficial for a wide range of stakeholders.

关键词： Competition Profitability Credit Risk Z-score Lerner Index Panel Regression

Synthesis and Characterization of Copper-Zinc-Tin-Sulfide(CZTS)Thin Film Absorber Layer for Solar Cell Application

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材料科学与工程（中英文A版） 2018年第5期8卷 198-203页

作者： Shariful Islam Mashudur Rahaman md.abdul Gafur md.Kamal Hossain Farid Ahmed d.Abul Hossain Department of Physics Jahangirnagar UniversityDhaka 1342Bangladesh Institute of Fuel and Research Development Bangladesh Council for Scientific and Industrial ResearchDhaka 1205Bangladesh Pilot Plant and Process Development Center Bangladesh Council for Scientific and Industrial ResearchDhaka 1205Bangladesh

Copper zinc tin sulfide(CZTS)thin film was synthesized on soda lime glass substrate by using spin coating *** synthesized CZTS thin film showed maximum absorption coefficient of 0.193×104 cm-1 and maximum extinction coefficient of *** direct optical band gap,Urbach energy and steepness parameter of the synthesized CZTS thin film were 1.52 eV,0.52 eV and 0.05 *** CZTS thin film was found to be polycrystalline tetragonal in *** scanning electron microscopy(SEM)revealed that the texture structure was formed for the CZTS thin film.

关键词： CZTS absorber layer solar cell spin coating deposition.

Effect of Microstructure on HTPB Based Polyurethane （HTPB-PU）

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材料科学与工程（中英文B版） 2015年第3期5卷 145-151页

作者： Abhijit Dey md.abdul Shafeeuulla Khan Javaid Athar Arun Kanti Sikder Santanu Chattopadhyay Energetic Materials Research Division High Energy Materials Research Laboratory Sutarwadi Pune 411021 lndia Rubber Technology Centre Indian Institute of Technology Kharagpur West Bengal 721302 India