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Vagus nerve stimulation in intracerebral hemorrhage:the need for further research

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Neural Regeneration Research 2025年第11期20卷 3213-3214页

作者： Sheharyar S.Baig Ali N.Ali Arshad majid Sheffield Institute for Translational Neuroscience Division of NeuroscienceThe University of SheffieldSheffieldUK

Vagus nerve stimulation(VNS)and stroke:Stroke is the second leading cause of death and the third leading cause of disability worldwide(Baig et al.,2023).There have been significant paradigm shifts in the management of acute ischemic stroke through mechanical *** chronic ischemic stroke,invasive VNS paired with rehabilitation is associated with a significant increase in upper limb motor recovery and is FDA-approved(Baig et al.,2023).There are no treatments of similar efficacy in acute intracerebral hemorrhage(ICH)where several promising trials,e.g.,TICH-2,STOP-AUST,and TRAIGE did not show improvements in functional outcomes(Puy et al.,2023).

关键词： stimulation acute

A review on first principles based studies for improvement of cathode material of lithium ion batteries

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Journal of Energy Chemistry 2018年第1期27卷 219-237页

作者： Arslan ullah Abdul majid Naema Rani Department of Physics.University of Cujrat.50700 Gujrat Pakistan Office of Research Innovation and CommercializationUniversity of GujratGujratPakistan

Lithium ion batteries（LIBs） are currently best energy storage devices providing rechargeable electrical storage to wide variety of applications – from portable electronics to automobiles. Though, these batteries are fully adopted, widely used and commercialized, but researchers are still extensively working on their constituent materials and developing technology to improve their performance. A major part of related research activities is devoted to the electrode of the battery for improvement in its performance thereby addressing issues like safety, lifetime, specific capacity, energy density and most importantly abundance and cost. There are number of cathode materials that have been proposed and tested at laboratory scale and subsequently utilized in commercialized batteries ever since the appearance of LIBs. Owing to the availability of improved computational resources in the last decade, first principles calculation has become a reliable tool and played a vital role to predict the material properties of electrodes prior to their experimental analysis. This review gives a comprehensive insight and thorough analysis of the global research efforts related to the cathode materials based on first principles framework, sheds light on current status of knowledge and explores the ways forward.

关键词： Lithium ion batteries Electrodes First principles methods

Monte-Carlo simulation of a stochastic differential equation

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Plasma Science and Technology 2017年第12期19卷 6-14页

作者： Arif ullah majid KHAN M KAMRAN R KHAN 盛正卯 Hefei National Laboratory for Physical Sciences at the Microscale University of Science and Technology of ChinaHefei 230026People's Republic of China Department of Physics Quaid-i-Azam University Islamabad Pakistan Department of Physics Institute of Fusion Theory and SimulationsZhejiang UniversityHangzhou 310027People's Republic of China Department of Physics COMSATS Institute of Information TechnologyChack ShahzadIslamabadPakistan Department of Physics Abdul Wali Khan University23200 MardanKPKPakistan

For solving higher dimensional diffusion equations with an inhomogeneous diffusion coefficient,Monte Carlo（MC） techniques are considered to be more effective than other algorithms, such as finite element method or finite difference method. The inhomogeneity of diffusion coefficient strongly limits the use of different numerical techniques. For better convergence, methods with higher orders have been kept forward to allow MC codes with large step size. The main focus of this work is to look for operators that can produce converging results for large step sizes. As a first step, our comparative analysis has been applied to a general stochastic ***, our formulization is applied to the problem of pitch angle scattering resulting from Coulomb collisions of charge particles in the toroidal devices.

关键词： Monte-Carlo simulation stochastic differential equations toroidal plasmas numerical methods

Floristic composition and ecological gradient analyses of the Liakot Forests in the Kalam region of District Swat,Pakistan

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Journal of Forestry Research 2019年第4期30卷 1407-1416页

作者： Sohail Anwar Shujaul Mulk Khan Zeeshan Ahmad Zahid ullah majid Iqbal Department of Plant Sciences Quaid-i-Azam UniversityIslamabad 45320Pakistan Centre for Plant Science and Biodiversity University of SwatSwat 19130Pakistan

Kalam Kohistan is a dry,temperate hilly region in the Hindu Raj Series of the Greater Hindu Kush Mountains with diverse *** plant distribution and composition is expression of a range of various environmental variables,ecological and floristic attributes of vegetation in the Laikot Forests were therefore evaluated via consecutive explorative *** forests have not been evaluated ecologically before due to harsh climatic conditions and issues of accessibility and the study in hand is one of the first in its *** ecological techniques were used to sample forest vegetation and identify species in quadrats of 2 m×2 m for herbs,5 m×5 m for shrubs and 10 m×10 m for *** the data of 195 plant species and environmental factors were analyzed via Two-way Cluster Analysis and Canonical Correspondence Analysis using PCORD and CANOCO *** 195 plant species from 63 families were 27 species of Asteraceae,the most-speciose family,followed by Poaceae(20 spp.).The dominant life form was therophyte(86 spp.;44%share),followed by phanerophyte(41 spp.;21%share).For the leaf size spectrum,most prevalent was nanophyll(73 spp.;44%)followed by microphyll(66 spp.,34%)and mesophyll(44 spp.;23%).Calcium carbonate,pH,potassium,sand,silt,organic matter,slope aspect and grazing significantly influenced species composition,distribution and *** floristic variation in the region was diverse due to elevational and aspect gradients and thus devided into three *** vegetation zonation can be utilized for forest management,species and habitat *** in situ and ex situ conservation of threatened plant species may improve their conservation status in future if address properly.

关键词： Floristic composition Ecological factors Life form spectra Leaf form classes Elevation zones Canonical correspondence analysis(CCA)

A Novel Approach of Image Steganography for Secure

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Computers, Materials & Continua 2020年第7期64卷 31-61页

作者： Shahid Rahman Fahad Masood Wajid ullah Khan Niamat ullah Fazal Qudus Khan Georgios Tsaramirsis Sadeeq Jan majid Ashraf University of Buner Buner19290Pakistan Abasyn University Peshawar25000Pakistan Department of Information Technology Faculty of Computing and Information TechnologyKing Abdulaziz UniversityJeddah21577Saudi Arabia National Center for Cyber Security-UETP Department of CS&ITUniversity of Engineering&TechnologyPeshawar25000Pakistan Department of Electrical Engineering University of Engineering&TechnologyPeshawar25000Pakistan

Steganography aims to hide the messages from unauthorized persons for various purposes,e.g.,military correspondence,financial transaction *** the data during transmission is of utmost importance these *** confidentiality,integrity,and availability of the data are at risk because of the emerging technologies and complexity in software applications,and therefore,there is a need to secure such systems and *** are various methodologies to deal with security issues when utilizing an open system like the *** research proposes a new technique in steganography within RGB shading space to achieve enhanced security compared with existing *** evaluate our approach with the help of diverse image quality evaluation techniques including MSE(Mean Square Error),RMSE(Root Mean Square Error),PSNR(Peak Signal-to-Noise Ratio),MAE(Mean Absolute Error),NCC(Normalized Cross-Correlation)and SSIM(Structural Similarity Index).Our experimental results demonstrate improved strength,intangibility,and security when contrasted with existing techniques and vindicate the effectiveness of this exploration *** proposed approach achieved a 3.6701%average higher score for PSNR Correlation than the next best existing ***,in PSNR with a variable amount of cipher embedded in the same images of the same dimensions,the proposed approach attained a 5.22%better *** the same size of cipher in images of different size resulted a 3.56%better score.

关键词： Image steganography least significant bits MLEA and RGB color space

Sedative and antinociceptive activities of two new sesquiterpenes isolated from Ricinus communis

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Chinese Journal of Natural Medicines 2018年第3期16卷 225-230页

作者： Umar Farooq Ajmal Khan Sadia Naz Abdur Rauf Haroon Khan Afsar Khan Irfan ullah Syed majid Bukhari Department of Chemistry COMSATS Institute of Information Technology UoN Chair of Oman's Medicinal Plants and Marine Natural Products University of Nizwa Department of Geology University of Swabi Anbar Department of Pharmacy Abdul Wali Khan University Department of Pharmacy Abasyn University

Two new sesquiterpenes, trivially named ricinusoids A(1) and ricinusoids B(2), were isolated from ethyl acetate fraction of Ricinus communis. The structures of new compounds were elucidated by detailed spectroscopic techniques, including 1 D-and 2 D-NMR, UV, IR spectroscopy, and mass spectrometry. The compounds(1-2) were also assessed for in-vivo sedative and analgesic like effects in open field and acetic acid induced writhing tests respectively at 5, 10, and 20 mg·kg^(–1) i.p. Pretreatment of both test compounds caused significant(P ≤ 0.05) reduction in locomotive activity like sedative agents and abdominal constrictions like analgesics. Both compounds(1-2) possessed marked sedative and antinociceptive effects in animal models.

关键词： Ricinus communis Sesquiterpenoids Euphorbiaceae Spectroscopic techniques Antinociceptive activity

The role of graveyards in species conservation and beta diversity:a vegetation appraisal of sacred habitats from Bannu,Pakistan

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Journal of Forestry Research 2020年第4期31卷 1147-1158页

作者： Saqib Kamran Shujaul Mulk Khan Zeeshan Ahmad Amjad Ur Rahman majid Iqbal Fazal Manan Zahoor Ul Haq Saif ullah Department of Plant Sciences Quaid-i-Azam UniversityIslamabadPakistan

Graveyards or sacred groves are often places of natural vegetation protected by spiritual believers because of their sacred beliefs and indigenous culture.A study of graveyards was conducted to determine their role in species conservation,community formation,and associated indicators and species composition using multivariate statistical *** was hypothesized that variations in the age of graveyards would give rise to diverse plant communities under the impact of various edaphic and climatic *** ecological techniques were applied to determine various phytosociological *** the data were put in MS Excel for analysis in PCORD and CANOCO softwares for cluster analysis(CA),two-way cluster analysis(TWCA),indicator species analysis and canonical correspondence *** and TWCA through Sorenson distance measurements identified five major graveyard plant communities:(1)FicusBougainvillea-Chenopodium;(2)Acacia-Datura-Convolvulus;(3)Ziziphus-Vitex-Abutilon;(4)Acacia-Lantana-Salsola;and(5)*** such as Capparis decidua,Herniaria hirsuta,Salvadora oliedes and Populus euphratica were only present inside graveyards rather than outside and advocate the role of graveyards in species *** impact of different environmental and climatic variables plus the age of the graveyards were also assessed for comparison of plant communities and their respective indicator *** results indicate that higher chlorine concentration,age of graveyards,low soil electrical conductivity,lower anthropogenic activities,higher nitrogen,calcium and magnesium concentrations in the soil,and sandy soils were the strong environmental variables playing a significant role in the formation of graveyard plant communities,their associated indicators and species distribution *** results could further be utilized to evaluate the role of edaphic and climatic factors,indicator species and conservation management practices at a gr

关键词： Graveyards/Sacred groves Plant communities Multivariate statistical techniques Indicator species Edaphic factors Conservation PCORD software

Preparation of adsorptive nanoporous membrane using powder activated carbon: Isotherm and thermodynamic studies

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Frontiers of Chemical Science and Engineering 2020年第4期14卷 673-687页

作者： majid Peyravi Department of Chemical Engineering Babol Noshirvani University of TechnologyBabolIran

Adsorptive polyethesulfone(PES)membranes were prepared by intercalation of powder activated carbon(PAC)with and without ***,PAC was aminated with 1,5-diamino-2-methylpentane,and the physicochemical properties of the functionalized PAC were *** of PAC within the PES scaffold changed the porosity and mean pore size of the aminated membrane(AC-NH2)from 52.6%to 92.5%and from 22.6 nm to 3.5 nm,*** effect of temperature on the performance of the modified mem-branes was monitored by the flux and chemical oxygen demand(COD)removal of *** ambient tempera-ture,the COD removal of the neat,AC-containing,and AC-NH2 membranes was 47%,52%,and 58.5%,respec-tively.A similar increment was obtained for the membrane flux,which was due to the synergistic effect of the high porosity and large number of hydrophilic functional *** experimental leachate adsorption data were analyzed by Langmuir,Freundlich,and Dubinin-Radushkevich isotherm *** all membranes,the significant thermodynamic parameters(ΔH,ΔS,and ΔG)were calculated and *** isosteric heat of adsorption was lower than 80 kJ·mol^-1,indicating that the interaction between the membranes and the leachate is mainly physical,involving weak van der Waals forces.

关键词： amine functionality nanoporous membrane adsorption isotherm thermodynamic parameters landfill leachate

Effects of residue management and nitrogen fertilizer rates on accumulation of soil residual nitrate and wheat yield under no-tillage system in south-west of Iran

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International Soil and Water Conservation Research 2021年第1期9卷 116-126页

作者： majid Roozbeh majid Rajaie Agricultural Engineering Research Department Darab Agricultural Research StationFars Agricultural and Natural Resources Research and Education CenterAREEOIran Soil and Water Research Department Darab Agricultural Research StationFars Agricultural and Natural Resources Research and Education CenterAREEOIran

Conservation tillage,residue management and optimizing nitrogen(N)fertilization are important stra-tegies for soil and water conservation and sustainability of agricultural *** order to evaluate the effects of various residue management methods and N fertilizer rates on some soil quality indicators,accumulation of residual soil nitrate,and wheat yield under no till system,a split-plot experiment was arranged in a randomized complete block design with three *** plots were three residue management methods,including retaining(R.M1),removing(R.M2)and shredding(R.M3)of corn *** subplots consisted of four N fertilizer rates,100(N1),150(N2),200(N3),and 250(N4)kg N ha^(-1) from urea *** results showed that soil organic carbon and total N in R.M1 and R.M3 treatments increased at the depth of 0-15 cm as compared to *** maximum accumulation of soil nitrate was observed in R.M1 x N4 and R.M3 x N4 interactions at the soil depth of *** results of this study showed that R.M1 x N3 and R.M3 x N3 interactions had a greater impact on wheat yield than the sole effect of R.M1 or *** to our findings,application of 200 kg N ha^(-1) in combination with R.M1 which had once less tractor passing for mechanical shredding than R.M3,can contribute effectively to improve soil quality indicators,control soil residual nitrate and subsequently produce more wheat grain yield in the south-west of Iran.

关键词： No-tillage Corn residue Total nitrogen Nitrate accumulation Organic carbon