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一类食饵种群中具有传染病的捕食-被捕食系统(英文)

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生物数学学报 2007年第1期22卷 13-24页

作者： mainul haque Joydev Chattopadhyay Department of Mathematics Krishnath College BerhamporeWest Bengal-742101India Agricultural and Ecological Research Unit yIndian Statistical Institute203B.T.RoadKolkata-700108India

对疾病仅在食饵种群传播的有比例依赖的捕食-被捕食系统的动力学进行了分析,给出了每个平衡点附近系统的性态,定义了决定疾病灭绝和成为地方病的阁值R_0．得出的结论是:在比例依赖的捕食-被捕食系统中,染病食饵种群可以充当一个生物控制... 详细信息

对疾病仅在食饵种群传播的有比例依赖的捕食-被捕食系统的动力学进行了分析,给出了每个平衡点附近系统的性态,定义了决定疾病灭绝和成为地方病的阁值R_0．得出的结论是:在比例依赖的捕食-被捕食系统中,染病食饵种群可以充当一个生物控制量,以抑制种群的绝灭．

关键词：生态流行病学稳定性分支生物控制

Brain abscess:surgical experiences of 162 cases

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Neuroimmunology and Neuroinflammation 2015年第1期2卷 153-161页

作者： Forhad Hossain Chowdhury Md Raziul haque mainul haque Sarkar S.M.Noman Khaled Chowdhury Zahed Hossain Shisir Ranjan Department of Neurosurgery National Institute of Neurosciences and HospitalSher-e-Bangla NagarDhaka 1207Bangladesh Department of Neurosurgery Dhaka Medical CollegeDhaka 1000Bangladesh Department of Neonatolgy Dhaka Medical CollegeDhaka 1000Bangladesh

Aim:Brain abscess still poses a public health challenge in spite of the advent of modern neurosurgical techniques and ***,we present our surgical experiences and ultimate outcome in the management of brain ***:Totally,162 patients with proved brain abscess who underwent surgical treatment were included in this *** prospectively recorded data of surgical management of brain abscess and the ultimate outcome(by Glasgow outcome scale)were studied ***:Total number of cases was 162,of which 113 were acute pyogenic abscess while 49 were chronic *** the chronic abscess,29 were chronic pyogenic abscess,14 were tubercular,3 aspergillus,and 3 abscesses were in malignant brain *** acute cases,common clinical features were headache,fever,vomiting,focal deficit and *** chronic abscesses,common clinical features were mild to moderate headache and progressive focal ***-three(45.06%)patients had adjacent localized sinus,middle ear or cranial *** common predisposing factors included postneurosurgery,postpenetrating injury to brain,chronic suppurative otitis media,and congenital heart disease,infective endocarditis,sinusitis and sub optimum *** lobe involved in 30.2%cases,temporal lobe is next to *** time burr hole aspiration in 111(68.5%)cases,two or more times burr hole aspiration were done in 34(21%)*** culture was negative in 129(79.62%)*** number of death was 22(13.58%)*** resolution of abscess with complete recovery of preoperative neuro-deficit was seen in 80.86%cases and recovery with major neuro-deficit was observed in 5.55%*** is a significant association between Glasgow coma scale(GCS)on admission and mortality in brain ***:In most of the cases,pus culture did not yield growth of any causative *** was not directly related to surgical intervention,but GCS on admission has a significant

关键词： Acute and chronic brain abscess brain abscess outcome surgical management

Endoscopic third ventriculostomy in children:problems and surgical outcome:analysis of 34 cases

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Chinese Neurosurgical Journal 2021年第2期7卷 137-142页

作者： Md Moshiur Rahman S.I.M.Khairun Nabi Khan Robert Ahmed Khan Rokibul Islam mainul haque Sarker Neurosurgery Department Holy Family Red Crescent Medical CollegeDhakaBangladesh Neurosurgery Department Bangabandhu Sheikh Mujib Medical UniversityDhakaBangladesh

Background:Endoscopic third ventriculostomy(ETV)has been established as a viable treatment option for obstructive hydrocephalus of children over 6 weeks of *** in pediatric groups may be unsuccessful due to the failure of absorption of cerebrospinal fluid(CSF)or reclosure of ventriculostomy stoma or due to *** exact cause is still *** issues like failure to eliminate the second membrane during the procedure or formation of the new arachnoid membrane at the stoma are still not *** study aims to assess the surgical failure of ETV and its predisposing ***:Thirty-four pediatric patients with hydrocephalus were analyzed *** patients’age limit was between 2.5 months and 14 *** is a retrospective study of 34 patients in a single private hospital between June 2012 and January *** having hydrocephalus in pediatric groups more than 6 weeks of age were included in the ***:The mean age of all patients was 51.25±53.90 months and the mean follow-up period was 50.47±20.84 *** 34 surgeries,the success rate was 79%and the failure rate was 21%.Within 2 years,the success rate was 68.42%and above 2 years’success rate was 93.33%.In this series,7 cases of ETV were re-explored and found ventriculostomy stoma closure in 3 cases,the presence of the second membrane in re-exploration 2 cases,and presence of inflammatory arachnoid membrane in re-exploration 2 *** use of dexamethasone around the stoma in inflammatory stoma was useful,having no *** one patient of the second membrane probably due to absorption failure in communicating hydrocephalus re-exploration was failed and was managed successfully with VP ***:Predisposing factors causing ETV failure are ventriculostomy stoma closure by new arachnoid granulation tissues,remnants of the second membrane inside the stoma,CSF absorption failure,infection/high protein in CSF and inappropriate patient selection.

关键词： Endoscopic third ventriculostomy Cerebrospinal fluid VP Shunt Communicating Hydrocephalus

Impact of COVID-19 pandemic on radiology education,training,and practice:A narrative review

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World Journal of Radiology 2021年第11期13卷 354-370页

作者： Md Anwarul Azim Majumder Uma Gaur Keerti Singh Latha Kandamaran Subir Gupta mainul haque Sayeeda Rahman Bidyadhar Sa Mizanur Rahman Fidel Rampersad Faculty of Medical Sciences The University of the West IndiesCave Hill CampusCave Hill BB23034Barbados Unit of Pharmacology Faculty of Medicine and Defence HealthUniversiti Pertahanan Nasional Malaysia(National Defence University of Malaysia)Kem Perdana Sugai BesiKuala Lumpur 57000Malaysia School of Medicine American University of Integrative Sciences(AUIS)Bridgetown BB11318Barbados Faculty of Medical Sciences The University of the West IndiesSt Augustine CampusSt Augustine 33178Trinidad and Tobago Principal's Office International Medical CollegeDhaka 1207Bangladesh

Radiology education and training is of paramount clinical importance given the prominence of medical imaging utilization in effective clinical *** incorporation of basic radiology in the medical curriculum has continued to evolve,focusing on teaching image interpretation skills,the appropriate ordering of radiological investigations,judicious use of ionizing radiation,and providing exposure to interventional *** in radiology have been driven by the digital revolution,which has,in turn,had a positive impact on radiology education and *** the advent of the corona virus disease 2019(COVID-19)pandemic,many training institutions and hospitals adhered to directives which advised rescheduling of non-urgent outpatient *** inevitably impacted the workflow of the radiology department,which resulted in the reduction of clinical in-person case reviews and consultations,as well as in-person teaching *** medical schools and research centers completely suspended face-to-face academic *** led to challenges for medical teachers to complete the radiology syllabus while ensuring that teaching activities continued safely and *** a result,online teaching platforms have virtually replaced didactic face-to-face *** educators also sought other strategies to incorporate interactive teaching sessions while adopting the e-learning approach,as they were cognizant of the limitations that this may have on students’clinical *** to online methods to review live cases,journal clubs,simulation-based training,clinical interaction,and radiology examination protocolling are a few examples of successfully addressing the limitations in reduced clinical *** this review paper,we discuss(1)The impact of the COVID-19 pandemic on radiology education,training,and practice;(2)Challenges and strategies involved in delivering online radiology education for undergraduates and postgraduates d

关键词： Radiology Education Training Practice COVID-19 pandemic Impact

Bibliographic survey and comprehensive review on mechanical and durability properties of microorganism based self-healing concrete

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Frontiers of Structural and Civil Engineering 2024年第9期18卷 1445-1465页

作者： Md Marghoobul haque Kunal M.SHELOTE Namrata SINGH Supratic GUPTA Department of Civil Engineering Indian Institute of Technology DelhiNew Delhi 110016India

Concrete is the most widely utilized material for construction purposes,second only to water,in the ever-increasing need for construction *** is a brittle material and possesses a high risk of crack formation and consequent ***,which allows chemicals to enter and can cause concrete structures to lose their physico-mechanical and durability *** and rehabilitating concrete structures involves high costs and leads to various repair methods including coating,adhesives,polymers,supplementary cementitious materials(SCMs),and *** of the latest technologies is the use of microorganisms in *** added microorganisms lead to calcite precipitation and thereby heal the cracks *** study presents a comprehensive literature survey on bacteria-included concrete,before which a bibliographic survey is performed using VOSViewer *** addition to regular bacterial concrete,this study focuses on also using SCMs and fibers in bacterial concrete.A detailed literature review with data representation for various mechanical properties including compressive strength(CS),split tensile strength(SS),and flexure strength(FS),along with durability properties including carbonation,water absorption,resistance against chloride ion penetration,gas permeation,and resistance against cyclic freeze-and-thaw is presented.A study on the use of X-ray computed tomography(XCT)in bacterial concrete is highlighted,and the scope for future research,along with identification of the research gap,is presented.

关键词： bacterial concrete bibliographic survey biomineralization carbonation fibers

Ionotropic receptors mediate olfactory learning and memory in Drosophila

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Insect Science 2024年第4期31卷 1249-1269页

作者： Md Zeeshan Ali Anushree Aarif Ahsan Mohammad Shamsul Ola Rizwanul haque Jawaid Ahsan Department of Biotechnology Central University of South BiharGayaBiharIndia Department of Radiation Oncology University of MichiganAnn ArborMichiganUSA Department of Biochemistry College of ScienceKing Saud UniversityRiyadhSaudi Arabia

Phenylacetaldehyde(PAH),an aromatic compound,is present in a diverse range of fruits including overripe bananas and prickly pear cactus,the two major host fruits for Drosophila *** acts as a potent ligand for the ionotropic receptor 84a(IR84a)in the adult fruit fly and it is detected by the IR84a/IR8a heterotetrameric *** role in the male courtship behavior through IR84a as an environmental aphrodisiac is of additional *** ***,two distinct kinds of olfactory receptors,that is,odorant receptors(ORs)and ionotropic receptors(IRs),perceive the odorant *** display unique structural,molecular,and functional characteristics in addition to having different evolutionary ***,olfactory cues detected by the ORs such as ethyl acetate,1-butanol,isoamyl acetate,1-octanol,4-methylcyclohexanol,*** as aliphatic esters and alcohols have been employed in olfactory classical conditioning using fruit *** underlines the participation of OR-activated olfactory pathways in learning and memory *** study elucidates that likewise ethyl acetate(EA)(an OR-responsive odorant),PAH(an IR-responsive aromatic compound)too can form learning and memory when associated with an appetitive gustatory *** association of PAH with sucrose(PAH/SUC)led to learning and formation of the long-term memory(LTM).Additionally,the Orco^(1),Ir84a^(MI00501),and Ir8a^(1)mutant flies were used to confirm the exclusive participation of the IR84a/IR8a complex in PAH/SUC olfactory associative *** results highlight the involvement of IRs via an IR-activated pathway in facilitating robust olfactory behavior.

关键词： appetitive conditioning Drosophila melanogaster ethyl acetate ionotropic receptors learning and memory phenylacetaldehyde

Beyond bacteria:Role of non-bacterial gut microbiota species in inflammatory bowel disease and colorectal cancer progression

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World Journal of Gastroenterology 2024年第36期30卷 4078-4082页

作者： Hania haque Syeda Warisha Zehra Mohammad Shahzaib Saif Abbas Nazish Jaffar of Medicine Jinnah Sindh Medical UniversityKarachi 75510SindhPakistan Department of Pathology Jinnah Sindh Medical UniversityKarachi 75510SindhPakistan

This letter emphasizes the need to expand discussions on gut microbiome’s role in inflammatory bowel disease(IBD)and colorectal cancer(CRC)by including the often-overlooked non-bacterial components of the human gut *** highlights how viral,fungal and archaeal inhabitants of the gut respond towards gut dysbiosis and contribute to disease *** such as bacteriophages target certain bacterial species and modulate the immune *** viruses found associated include Epstein-Barr virus,human papillomavirus,John Cunningham virus,cytomegalovirus,and human herpes simplex virus type *** such as Candida albicans and Malassezia contribute by forming tissue-invasive filaments and producing inflammatory cytokines,***,mainly methanogens are also found altering the microbial fermentation *** correspondence,thus underscores the significance of considering the pathological and physiological mechanisms of the entire spectrum of the gut microbiota to develop effective therapeutic interventions for both IBD and CRC.

关键词： Gut microbiota Colorectal cancer Inflammatory bowel disease Dysbiosis Bacteriophages Methanogens Fungi

An integrated framework for assessing renewable-energy supply chains using multicriteria decision-making:a study on Bangladesh

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Clean Energy 2024年第3期8卷 1-19页

作者： A.M.Almas Shahriyar Azad Zarin Tasnim Oishi Md.Ariful haque Pronob Das Sabbir Ahmed Udoy Khaled Mohammad Shifullah Bhuiya Department of Industrial&Production Engineering Rajshahi University of Engineering&TechnologyRajshahi-6204Bangladesh Department of Mechanical Engineering Rajshahi University of Engineering&TechnologyRajshahi-6204Bangladesh

The depletion in non-renewable energy sources and a fast-growing population in Bangladesh are exacerbating the already existing energy scarcity,highlighting the need for an efficient and robust renewable-energy supply *** primary goal of this study is to evaluate the most optimized renewable-energy supply chain based on natural resource availability and government policies of *** the present study,four renewable energy resources,including solar,biomass,wind and hydropower,are studied and nine subcriteria are defined under four primary criteria for each supply *** for Order Preference by Similarity to Ideal Solution(TOPSIS)and VIseKriterijumska Optimizacija I Kompromisno Resenje(VIKOR)are multicriteria decision-making approaches used in this study to compare and choose the best renewable-energy supply *** relative significance of four supply-chain criteria for primary renewable energy in this study,namely energy procurement,production,operations and maintenance costs,and social and environmental impact,is gathered via a *** results of this research,supported by a comprehensive sensitivity analysis,indicate that hydropower is the best renewable-energy supply chain,followed by wind as a compromise solution,biomass and *** study also demonstrates that no energy source can satisfy all supply-chain criteria alone;each resource is better for a specific criterion-solar is better for procurement,hydropower is significant for production and wind is remarkable for operations and social ***,to maximize output,renewable energy sources must be *** Bangladesh’s perspective,for the first time,by using TOPSIS and VIKOR together,this study offers significant insights to establish an efficient and sustainable renewable-energy supply chain for practitioners,academics and policymakers.

关键词： renewable-energy supply chain Bangladesh multicriteria decision-making TOPSIS(Technique for Order Preference by Similarity to Ideal Solution) VIKOR(VIseKriterijumska Optimizacija I Kompromisno Resenje)

Shear wave velocity prediction:A review of recent progress and future opportunities

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Energy Geoscience 2024年第4期5卷 36-54页

作者： John Oluwadamilola Olutoki Jian-guo Zhao Numair Ahmed Siddiqui Mohamed Elsaadany AKM Eahsanul haque Oluwaseun Daniel Akinyemi Amany H.Said Zhaoyang Zhao State Key Laboratory of Petroleum Resources and Prospecting CNPC Key Laboratory of Geophysical ExplorationCollege of GeophysicsChina University of PetroleumBeijingChina Center of Excellence in Subsurface Seismic Imaging and Hydrocarbon Prediction Department of GeoscienceFaculty of Geoscience&Petroleum EngineeringUniversiti Teknologi PETRONAS(UTP)Malaysia Geology Department Faculty of ScienceAssiut UniversityAssiut71516Egypt

Shear logs,also known as shear velocity logs,are used for various types of seismic analysis,such as determining the relationship between amplitude variation with offset(AVO)and interpreting multiple types of seismic *** log is an important tool for analyzing the properties of rocks and interpreting seismic data to identify potential areas of oil and gas ***,these logs are often not collected due to cost constraints or poor borehole conditions possibly leading to poor data quality,though there are various approaches in practice for estimating shear wave *** this study,a detailed review of the recent advances in the various techniques used to measure shear wave(S-wave)velocity is carried *** techniques include direct and indirect measurement,determination of empirical relationships between S-wave velocity and other parameters,machine learning,and rock physics ***,this study creates a collection of employed techniques,enhancing the existing knowledge of this significant topic and offering a progressive approach for practical implementation in the field.

关键词： Shear wave(S-wave)velocity Direct and indirect measurement Empirical relationship Artificial intelligence(AI) Machine learning Rock physics model