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52篇 您的检索式:作者名="ALI Mohsin"
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1Survey and technological analysis of laser and its defense applications显示文摘The laser technology has made remarkable progress over the past couple of decades.It is being widely employed in diverse domains,such as holography,space sciences,spectroscopy,medical sciences,micro and power electronics,industrial engineering,and most distinctively,as directed energy military weapons.Owing to their active transmissions,laser systems are similar to microwave radars to some extent;however,unlike conventional radars,the laser operates at very high frequencies thus making it a potent enabler of narrow-beam and high energy aerial deployments,both in offensive and defensive roles.In modern avionics systems,laser target indicators and beam riders are the most common devices that are used to direct the Laser Guided Weapons(LGW)accurately to the ground targets.Additionally,compact size and outstanding angular resolution of laser-based systems motivate their use for drones and unmanned aerial applications.Moreover,the narrow-beam divergence of laser emissions offers a low probability of intercept,making it a suitable contender for secure transmissions and safety-critical operations.Furthermore,the developments in space sciences and laser technology have given synergistic potential outcomes to use laser systems in space operations.This paper comprehensively reviews laser applications and projects for strategic defense actions on the ground or in space.Additionally,a detailed analysis has been done on recent advancements of the laser technology for target indicators and range-finders.It also reviews the advancements in the field of laser communications for surveillance,its earlier state of the art,and ongoing scientific research and advancements in the domain of high energy directed laser weapons that have revolutionized the evolving military battlefield.Besides offering a comprehensive taxonomy,the paper also critically analyzes some of the recent contributions in the associated domains.Syed Affan Ahmed Mujahid Mohsin Syed Muhammad Zubair Ali 2021Defence Technology(防务技术)2021,17,2:10
2Kudo's pit pattern classification for colorectal neoplasms:A meta-analysis显示文摘AIM:To analyze the current available evidence of Kudo's pit pattern classification for diagnosing colorectal neoplasms.METHODS:A search was performed on Pubmed/Embase to identify studies reporting the outcomes of the pit pattern classification in colorectal polyps.Retrieved records were evaluated and selected by two independent investigators.The number of patients,polyps and diagnostic performance of Kudo’s pit pattern classification were retrieved from suitable studies.Pooled sensitivities and specificities were calculated using fixed or random effect models according to their heterogeneity.Publication bias was evaluated using funnel plot,Egger’s test,and Begg’s test.Sensitivity analysis was performed by omitting one study at a time and selecting a subgroup consisting of 11 magnifying chromoendoscopy studies.RESULTS:20 eligible studies were included in which a total of 5111 colorectal lesions in 3418 patients were identified for the differentiation of neoplastic and nonneoplastic polyps.Pit pattern classification in all the studies of mucosal patterns with magnification resulted in a pooled sensitivity of 89.0%(95%CI:85.2-91.9)and pooled specificity of 85.7%(95%CI:81.3-89.2)and the area under the SROC curve was 0.9354.There was significant publication bias(P=0.038 and 0.006 for sensitivity and specificity using Egger’s test,P=0.035and 0.139 for sensitivity and specificity using Begg’s test,respectively).No single study significantly affected the pooled result,and the magnifying chromoendoscopy subgroup yielded a sensitivity of 92.7%(95%CI:89.2-95.2)and specificity of 87.3%(95%CI:81.6-91.4).CONCLUSION:Kudo’s pit pattern classification is an accurate diagnostic method for the differentiation of neoplastic colorectal lesions.Publication bias is significant in the current available literature.Ming Li Syed Mohsin Ali Syeda Umm-a-OmarahGilani Jing Liu Yan-Qing Li Xiu-Li Zuo 2014World Journal of Gastroenterology2014,20,35:5
3Electrochemical CO_(2) reduction to C_(2+) products using Cu-based electrocatalysts:A review显示文摘With the disruptive carbon cycle being blamed for global warming,the plausible electrocatalytic CO_(2)reduction reaction(CO_(2)RR)to form valuable C_(2+)hydrocarbons and feedstock is becoming a hot topic.Cu-based electrocatalysts have been proven to be excellent CO_(2)RR alternatives for high energy value-added products in this regard.However,the selectivity of CO_(2)RR to form C_(2+)products via Cu-based catalysts suffers from a high overpotential,slow reaction kinetics,and low selectivity.This review attempts to discuss various cutting-edge strategies for understanding catalytic design such as Cu-based catalyst surface engineering,tuning Cu bandgap via alloying,nanocatalysis,and the effect of the electrolyte and pH on catalyst morphology.The most recent advances in in situ spectroscopy and computational techniques are summarized to fully comprehend reaction mechanisms,structural transformation/degradation mechanisms,and crystal facet loss with subsequent effects on catalyst activity.Furthermore,approaches for tuning Cu interactions are discussed from four key perspectives:single-atom catalysts,interfacial engineering,metal-organic frameworks,and polymer-incorporated materials,which provide new insights into the selectivity of C_(2+)products.Finally,major challenges are outlined,and potential prospects for the rational design of catalysts for robust CO_(2)RR are proposed.The integration of catalytic design with mechanistic understanding is a step forward in the promising advancement of CO_(2)RR technology for industrial applications.Touqeer Ahmad Shuang Liu Muhammad Sajid Ke Li Mohsin Ali Liang Liu Wei Chen 2022Nano Research Energy2022,1,2:5
4Modeling and simulation of recurrent phenotypic and genomic selections in plant breeding under the presence of epistasis显示文摘Recurrent selection is an important breeding method for population improvement and selecting elite inbreds or fixed lines from the improved germplasm.Recently,a computer simulation tool called QuMARS has been developed,which allows the simulation and optimization of various recurrent selection strategies.Our major objective in this study was to use the QuMARS tool to compare phenotypic recurrent,marker-assisted recurrent,and genomic selections(abbreviated respectively as PS,MARS and GS)for both short-and long-termbreeding procedures.ForMARS,twomarker selection models were considered,i.e.,stepwise(Rstep)and forward regressions(Forward).For GS,three prediction models were considered,i.e.,genomic best linear unbiased predictors(GBLUP),ridge regression(Ridge),and regression by Moore-Penrose general inverse(InverseMP).To generate genotypes and phenotypes for a given individual during simulation,one additive and two epistasis genetic models were considered with three levels of heritability.Results demonstrated that selection responses from GBLUP-based GS and MARS(Forward)were consistently greater than those from PS under the additive model,particularly in early selection cycles.In contrast,selection response from PS was consistently superior over MARS and GS under epistatic models.For the two epistasis models,total genetic variance and the additive variance component were increased in some cases after selection.Through simulation,we concluded that GS and PS were effective recurrent selection methods for improved breeding of targeted traits controlled by additive and epistatic quantitative trait loci(QTL).QuMARS provides an opportunity for breeders to compare,optimize and integrate new technology into their conventional breeding programs.Mohsin Ali Luyan Zhang Ian DeLacy Vivi Arief Mark Dieters Wolfgang H.Pfeiffer Jiankang Wang Huihui Li 2020The Crop Journal2020,8,5:4
5High-dose-rate intraluminal brachytherapy during preoperative chemoradiation for locally advanced rectal cancers显示文摘AIM:To determine the feasibility and safety of high dose rate intraluminal brachytherapy(HDR-ILBT) boost during preoperative chemoradiation for rectal cancer.METHODS:Between 2008 and 2009,thirty-six patients with locally advanced rectal cancer(≥ T3 or N+),were treated initially with concurrent capecitabine(825 mg/m2 oral twice daily) and pelvic external beam radiotherapy(EBRT)(45 Gy in 25 fractions),then were randomized to group A;HDR-ILBT group(n = 17) to receive 5.5-7 Gy×2 to gross tumor volume(GTV) and group B;EBRT group(n = 19) to receive 5.4 Gy×3 fractions to GTV with EBRT.All patients underwent total mesorectal excision.RESULTS:Grade 3 acute toxicities were registered in 12 patients(70.6%) in group A and in 8(42.1%) in group B.Complete pathologic response of T stage(ypT0) in group A was registered in 10 patients(58.8%) and in group B,3 patients(15.8%) had ypT0(P < 0.0001).Sphincter preservation was reported in 6/9 patients(66.7%) in group A and in 5/10 patients(50%) in group B(P < 0.01).Overall radiological response was 68.15% and 66.04% in Group A and B,respectively.During a median follow up of 18 mo,late grade 1 and 2 sequelae were registered in 3 patients(17.6%) and 4 patients(21.1%) in the groups A and B,respectively.CONCLUSION:HDR-ILBT was found to be effective dose escalation technique in preoperative chemoradiation for rectal cancers,with higher response rates,downstaging and with manageable acute toxicities.Mutahir Ali Tunio Mansoor Rafi Altaf Hashmi Rehan Mohsin Abdul Qayyum Mujahid Hasan Amjad Sattar Muhammad Mubarak 2010World Journal of Gastroenterology2010,16,35:3
6Low-temperature sintered(Na_(1/2)Bi_(1/2))TiO_(3)-based incipient piezoceramics for co-fired multilayer actuator application显示文摘Low-temperature sintered(Na_(1/2)Bi_(1/2))_(0.935)Ba_(0.065)Ti_(0.975)(Fe_(1/2)Nb_(1/2))_(0.025)O_(3)(NBT-BT-0.025FN)lead-free incipient piezoceramics were investigated using high-purity Li_(2)CO_(3) as sintering aids.With the ≤0.5 wt%Li_(2)CO_(3) addition,the introduced Li^(+) cations precede to enter the A-sites of the perovskite lattice to compensate for the A-site deficiencies.Once the addition exceeds 0.5 wt%,the excess Lit cations will occupy B-sites and give rise to the generation of oxygen vacancies,which accelerate the mass transport and thus lower the sintering temperature effectively from 1100℃ down to 925℃.It was also found that a small amount of Lit addition has little effect on the phase structure and electromechanical properties of the system,but overweight seriously disturbs these characteristics because of the large lattice distortion.The sintered NBT-BT-0.025FN incipient piezoceramics with 1.25 wt%Li_(2)CO_(3) addition at 925℃ provides a large strain of 0.33% and a corresponding large signal piezoelectric coefficient d_(33)^(*) of 550 pm/V at 60 kV/cm,indicating this system is a very promising candidate for lead-free co-fired multilayer actuator application.Pengyuan Fan Yangyang Zhang Shan-Tao Zhang Bing Xie Yiwei Zhu Mohsin Ali Marwat Weigang Ma Kai Liu Liang Shu Haibo Zhang 2019Journal of Materiomics2019,5,3:3
7Advances in engineered Bacillus subtilis biofilms and spores, and their applications in bioremediation, biocatalysis, and biomaterials显示文摘Bacillus subtilis is a commonly used commercial specie with broad applications in the fields of bioengineering and biotechnology.B.subtilis is capable of producing both biofilms and spores.Biofilms are matrix-encased multicellular communities that comprise various components including exopolysaccharides,proteins,extracellular DNA,and poly-γ-glutamic acid.These biofilms resist environmental conditions such as oxidative stress and hence have applications in bioremediation technologies.Furthermore,biofilms and spores can be engineered through biotechnological techniques for environmentally-friendly and safe production of bio-products such as enzymes.The ability to withstand with harsh conditions and producing spores makes Bacillus a suitable candidate for surface display technology.In recent years,the spores of such specie are widely used as it is generally regarded as safe to use.Advances in synthetic biology have enabled the reprogramming of biofilms to improve their functions and enhance the production of value-added products.Globally,there is increased interest in the production of engineered biosensors,biocatalysts,and biomaterials.The elastic modulus and gel properties of B.subtilis biofilms have been utilized to develop living materials.This review outlines the formation of B.subtilis biofilms and spores.Biotechnological engineering processes and their increasing application in bioremediation and biocatalysis,as well as the future directions of B.subtilis biofilm engineering,are discussed.Furthermore,the ability of B.subtilis biofilms and spores to fabricate functional living materials with self-regenerating,self-regulating and environmentally responsive characteristics has been summarized.This review aims to resume advances in biological engineering of B.subtilis biofilms and spores and their applications.Muhammad Zubair Mohsin Rabia Omer Jiaofang Huang Ali Mohsin Meijin Guo Jiangchao Qian Yingping Zhuang 2021Synthetic and Systems Biotechnology2021,6,3:2
8Modeling and Optimization of Ethane Steam Cracking Process in An Industrial Tubular Reactor with Improved Reaction Scheme显示文摘Ethane steam cracking process in an industrial reactor was investigated.An one-demsional(1D)steady-state model was developed firstly by using an improved molecular reaction scheme and was then simulated in Aspen Plus.A comparison of model results with industrial data and previously reported results showed that the model can predict the process kinetics more accurately.In addition,the validated model was used to study the effects of different process variables,including coil outlet temperature(COT),steam-to-ethane ratio and residence time on ethane conversion,ethylene selectivity,products yields,and coking rate.Finally,steady-state optimization was conducted to the operation of industrial reactor.The COT and steam-to-ethane ratio were taken as decision variables to maximize the annual operational profit.Mohsin Ali Liao Zuwei Yao Yang Sun Jingyuan Jiang Binbo Wang Jingdai Yang Yongrong 2020China Petroleum Processing & Petrochemical Technology2020,22,4:2
9Stochastic Numerical Analysis for Impact of Heavy Alcohol Consumption on Transmission Dynamics of Gonorrhoea Epidemic显示文摘This paper aims to perform a comparison of deterministic and stochastic models.The stochastic modelling is a more realistic way to study the dynamics of gonorrhoea infection as compared to its corresponding deterministic model.Also,the deterministic solution is itself mean of the stochastic solution of the model.For numerical analysis,first,we developed some explicit stochastic methods,but unfortunately,they do not remain consistent in certain situations.Then we proposed an implicitly driven explicit method for stochastic heavy alcohol epidemic model.The proposed method is independent of the choice of parameters and behaves well in all scenarios.So,some theorems and simulations are presented in support of the article.Kamaleldin Abodayeh Ali Raza Muhammad Shoaib Arif Muhammad Rafiq Mairaj Bibi Muhammad Mohsin 2020Computers, Materials & Continua2020,,3:2
10In vivo anticancer activity of vanillin semicarbazone显示文摘Objective:To evaluate the anticancer activity of vanillin semicarbazone(VSC) against Ehrlich ascites carcinoma(EAC) cells in Swiss albino mice.Methods:The compound VSC at three doses(5, 7.5 and 10 mg/kg i.p.) was administered into the intraperitoneal cavity of the EAC inoculated mice to observe its efficiency by studying the cell growth inhibition, reduction of tumour weight,enhancement of survival time as well as the changes in depleted hematological parameters. Allsuch parameters were also studied with a known standard drug bleomycin at the dose of 0.3 mg/kg(i.p.).Results:Among the doses studied, 10 mg/kg(i.p.) was found to be quite comparable in potency to that of bleomycin at the dose of 0.3 mg/kg(i.p.). The host toxic effects of VSC was found to be negligible.Conclusions:It can be concluded that VSC can therefore be considered as potent anticancer agent.Shaikh M Mohsin Ali M Abul Kalam Azad Mele Jesmin Shamim Ahsan M Mijanur Rahman Jahan Ara Khanam M Nazrul Islam Sha M Shahan Shahriar 2012Asian Pacific Journal of Tropical Biomedicine2012,2,6:2
11Endoscopic ultrasound-fine needle injection for oncological therapy显示文摘The minimal invasiveness and precision of endoscopicultrasound(EUS) has lead to both its widespread use as a diagnostic and staging modality for gastrointestinal and pancreaticobiliary malignancies, and to its expand-ing role as a therapeutic modality. EUS-guided celiac plexus neurolysis is now a well-accepted modality for palliation of pain in patients with pancreatic cancer. EUS-guided ablation, brachytherapy, fiducial marker placement, and antitumor agent injection have been described as methods of performing minimally invasive oncological therapy. EUS-fine needle injection may be performed as adjunctive, alternative, or palliative treatment. This review summarizes the studies to date that have described these methods. A literature search using the Pub Med/MEDLINE databases was performed. While most published studies to date are limited with disappointing outcomes, the concept of a role of EUS in oncological therapy seems promising.Jeremy Kaplan Amaara Khalid Natalie Cosgrove Ayesha Soomro Syed Mohsin Mazhar Ali A Siddiqui 2015World Journal of Gastrointestinal Oncology2015,7,12:2
12Failure Links between Public and Private Sector Partners in Transportation Public Private Partnerships Failures显示文摘Mohsin Ali Soomro and Xueqing Zhang 2013Ioumal of Traffic and Logistics Engineering2013,1,2:1
13Effect of emulsifiers on complexation and retrogradation characteristics of native and chemically modified White sorghum ( Sorghum bicolor ) starch显示文摘Tahira Mohsin Ali Abid Hasnain 2013Thermochimica Acta2013,,:1
14Mesenchymal Stem Cells Pretreated with HGF and FGF4 Can Reduce Liver Fibrosis in Mice显示文摘Sulaiman Shams Sadia Mohsin Ghazanfar Ali Nasir Mohsin Khan Shaheen N. Khan Peter J. Quesenberry 2015Stem Cells International2015,,:1
15A Study of the Effect of the Loss Function on Bayes Estimate,Posterior Risk and Hazard Function for Lindley Distribution 显示文摘Sajid Alia Muhammad Aslamb Syed Mohsin Ali Kazmic 2013Applied Mathematical Modelling2013,,37:1
16Seismic response of steel fibre reinforced concrete beam-column joints 显示文摘Abbas Ali A Syed Mohsin Sharifah M Cotsovos Dem- etrios M 2014Engineering Struc- tures2014,59,:1
17透明颤菌血红蛋白基因在龟裂链霉菌中的表达及其对土霉素合成的影响显示文摘目的考察透明颤菌血红蛋白基因(vgb)在大肠埃希菌(E.coli)和龟裂链霉菌(S.rimosus)中的表达,研究在不同溶氧条件下表达的透明颤菌血红蛋白(VHb)对龟裂链霉菌生长和土霉素合成的影响。方法将vgb插入表达型质粒pET-28a中,导入E.coli BL21(DE3)用以表达VHb并测定其活性。以整合型质粒pSET152为载体,利用erm E*启动子组成型表达vgb基因,将构建的质粒通过接合转移整合到S.rimosus M4018基因组上,利用CO差示光谱法和SDS-PAGE鉴定两个重组菌中的血红蛋白。在5L罐上考察不同溶氧条件下VHb的表达对重组龟裂链霉菌生长和土霉素合成的影响。结果重组大肠埃希菌和重组龟裂链霉菌都能够表达具有生物活性的VHb,发酵结果表明,在117h时与对照菌相比,重组龟裂链霉菌在高氧和低氧条件下的干重分别提高了6%和32%,同时单位干重土霉素的产量分别提高了41%和93%。结论 VHb在重组龟裂链霉菌中成功表达,改善了菌体的生长和土霉素的合成,为解决工业发酵过程中氧限制问题提供了策略。倪辉 Ali Mohsin 曹君书 张风新 郭美锦 储炬 庄英萍 2018中国抗生素杂志2018,43,8:1
18Enhanced hepatic differentiation of mesenchymal stem cells after pretreatment with injured liver tissue显示文摘Sadia Mohsin Sulaiman Shams Ghazanfar Ali Nasir Mohsin Khan Sana Javaid Awan Shaheen N. Khan Sheikh Riazuddin 2010Differentiation2010,,1:1
19Thellungiella halophila ST5 improves salt tolerance in cotton显示文摘Background: Salinity is a major abiotic stress to global agriculture which hampers crop growth and development, and eventually reduces yield. Transgenic technology is an e ective and e cient approach to improve crop salt tolerance but depending on the availability of e ective genes. We previously isolated Salt Tolerance5(ThST5) from the halophyte Thellungiella halophila, an ortholog of Arabidopsis SPT4-2 which encodes a transcription elongation factor. However, SPT4-2-confered salt tolerance has not been evaluated in crops yet. Here we report the evaluation of Th ST5-conferred salt tolerance in cotton(Gossypium hirsutum L.).Results: The ThST5 overexpression transgenic cotton plants displayed enhanced tolerance to salt stress during seed germination and seedling stage compared with wild type. Particularly, the transgenic plants showed improved salinity tolerance as well as yield under saline field conditions. Comparative transcriptomic analysis showed that ThST5 improved salt tolerance of transgenic cotton mainly by maintaining ion homeostasis. In addition, ThST5 also orchestrated the expression of genes encoding antioxidants and salt-responsive transcription factors.Conclusion: Our results demonstrate that ThST5 is a promising candidate to improve salt tolerance in cotton.NAZISH Tahmina JAVAID Ayesha ALI Mohsin ZHU Yonghong LI Jing ZHANG Huangyang WU Jie XIANG Chengbin WU Shenjie ALFATIH Alamin 2022Journal of Cotton Research2022,5,1:1
20Using multivariate adaptive regression splines to develop relationship between rock quality designation and permeability显示文摘The assessment of in situ permeability of rock mass is challenging for large-scale projects such as reservoirs created by dams,where water tightness issues are of prime importance.The in situ permeability is strongly related to the frequency and distribution of discontinuities in the rock mass and quantified by rock quality designation(RQD).This paper analyzes the data of hydraulic conductivity and discontinuities sampled at different depths during the borehole investigations in the limestone and sandstone formations for the construction of hydraulic structures in Oman.Cores recovered from boreholes provide RQD data,and in situ Lugeon tests elucidate the permeability.A modern technique of multivariate adaptive regression splines(MARS)assisted in correlating permeability and RQD along with the depth.In situ permeability shows a declining trend with increasing RQD,and the depth of investigation is within 50 m.This type of relationship can be developed based on detailed initial investigations at the site where the hydraulic conductivity of discontinuous rocks is required to be delineated.The relationship can approximate the permeability by only measuring the RQD in later investigations on the same site,thus saving the time and cost of the site investigations.The applicability of the relationship developed in this study to another location requires a lithological similarity of the rock mass that can be verified through preliminary investigation at the site.Mohsin Usman Qureshi Zafar Mahmood Ali Murtaza Rasool 2022Journal of Rock Mechanics and Geotechnical Engineering2022,14,4:1
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