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Film Flow of Nano-Micropolar Fluid with Dissipation Effect

Computer Modeling in Engineering & Sciences 2024年第9期140卷 2487-2512页

作者： Abuzar Abid siddiqui mustafa Turkyilmazoglu Department of Basic Sciences&Humanities Faculty of Engineering&TechnologyBahauddin Zakariya UniversityMultanPakistan Department of Mathematics Hacettepe UniversityAnkaraTürkiye Department of Medical Research China Medical University HospitalChina Medical UniversityTaichungTaiwanChina

The physical problem of the thin film flow of a micropolar fluid over a dynamic and inclined substrate under the influence of gravitational and thermal forces in the presence of nanoparticles is *** different types of nanoparticle samples are accounted for in this current study,namely gold Au,silver Ag,molybdenum disulfide MoS_(2),aluminum oxide Al_(2)O_(3),and silicon dioxide SiO_(2).Blood,a micropolar fluid,serves as the common base *** exact closed-form solution for this problem is derived for the first time in the *** results are particularly validated against those for the Newtonian fluid and show excellent *** was found that increasing values of the spin boundary condition and micropolarity lead to a reduction in both the thermal and momentum boundary layers.A quantitative decay in the Nusselt number for a micropolar fluid,as compared to a Newtonian one for all the tested nanoparticles,is *** and silver nanoparticles(i)intensify in the flow parameter as the concentration of nanoparticles increases(ii)yield a higher thermal transfer rate,whereas molybdenum disulfide,aluminum oxide,and silicon dioxide exhibit a converse attitude for both Newtonian and micropolar *** reduction in film thickness for fluid comprising gold particles,as compared to the rest of the nanoparticles,is remarkable.

关键词： Thin film flow micropolar fluid nanoparticles molybdenum disulfide inclined substrate

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Upper Gastrointestinal Endoscopic Outcomes in Patients with Gastrointestinal Symptoms: Retrospective Analysis at a Tertiary Care Hospital

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Open Journal of Gastroenterology 2019年第8期9卷 141-157页

作者： Iftikhar Haider Naqvi Abu Talib Muqadus Tabraze omer mustafa siddiqui Maheen Fatima Hussaini Neha Saleem Paryani Rida Effendi Samrah lnam siddiqui Syeda Zuhaa Hassan Maham Munawar Zaiya Waseem Ameer Ahmed Khan Zafir Zohab Hussain Khan S. Zain Naeem Rizvi Sofia Fatima Farooqui Misbah Munaf Hasan Obaid Faryal Khan Dow University of Health Sciences Department of Medicine Karachi Pakistan

Background: Endoscopic procedures are frequently performed to rule out any disease process which eventuates with either a positive or negative outcome. Association of patient demographics, clinical features with endoscopic outcomes are of paramount importance for better understanding and practice of endoscopy. Objectives: This study aimed to determine the frequency of positive endoscopic findings in patients with gastrointestinal symptoms compared to those with negative findings. As a secondary objective, the association between relevant demographics, symptoms, laboratory investigations and procedural outcomes of the participants and positive endoscopic findings were also assessed. Methods: A retrospective analysis of all the patients who underwent esophagogastroduodenoscopy from January 2017 to December 2017 was conducted. A total of 1066 endoscopy records were retrieved and using a convenience sampling technique, relevant data were manually entered to the questionnaires. Records with incomplete or inconsistent data were disregarded as per the exclusion criteria, resulting in 1011 patient records ultimately utilized for the study. All data were entered and analyzed using IBM SPSS 23.0. Results: The study comprised a total of 1011 patients where 52.2% were females and 47.8% males while the mean age of patients was 42.16 ± 15.45. Positive endoscopic findings were observed in 88.1%, where the most common finding was gastritis (49.1%). Approximately 14.5% had positive investigation findings for HBsAg and 23.1% were seropositive for anti-HCV antibody. P-values statistically significant were for age (p = 0.044), hematemesis (p = 0.002), betel quid addiction (p = 0.044), anti-HCV antibody (p = 0.043), HCV-RNA (p = 0.041) and “H. pylori” antigen (p = 0.032). Conclusion: Both genders were almost equally included where most patients presented between the 3rd and 5th decades of life. A high incidence of gastritis was noted. Positive endoscopic findings were associated with be

关键词： Esophagogastroduodenoscopy Endoscopy Gastritis Esophageal Varices

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Gene-gene,gene-environment,gene-nutrient interactions and single nucleotide polymorphisms of inflammatory cytokines

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World Journal of Diabetes 2015年第4期6卷 642-647页

作者： Amina Nadeem Sadaf Mumtaz Abdul Khaliq Naveed Muhammad Aslam Arif siddiqui Ghulam mustafa Lodhi Tausif Ahmad Department of Physiology Army Medical CollegeNational University of Sciences and TechnologyIslamabad College of Medicine DammamUniversity of Dammam Department of Biochemistry Islamic International Medical CollegeRifah University Department of Physiology University of Health SciencesLahore Department of Physiology Islamic International Medical CollegeRifah University Department of Physiology AL-Nafees Medical CollegeIsra University Dean-Faculty of Pharmacy Margalla College of PharmacyMargalla Institute of Health Sciences

Inflammation plays a significant role in the etiology of type 2 diabetes mellitus(T2DM).The rise in the pro-inflammatory cytokines is the essential step in glucotoxicity and lipotoxicity induced mitochondrial injury,oxidative stress and beta cell apoptosis in T2 *** the recognized markers are interleukin(IL)-6,IL-1,IL-10,IL-18,tissue necrosis factor-alpha(TNF-α),C-reactive protein,resistin,adiponectin,tissue plasminogen activator,fibrinogen and *** mellitus has firm genetic and very strong environmental influence; exhibiting a polygenic mode of *** single nucleotide polymorphisms(SNPs) in various genes including those of pro and antiinflammatory cytokines have been reported as a risk for T2 *** all the SNPs have been confirmed by unifying results in different studies and wide variations have been reported in various ethnic *** inter-ethnic variations can be explained by the fact that gene expression may be regulated by gene-gene,gene-environment and gene-nutrient *** review highlights the impact of these interactions on determining the role of single nucleotide polymorphism of IL-6,TNF-α,resistin and adiponectin in pathogenesis of T2 DM.

关键词： Cytokines Gene-environment interaction Diabetes mellitus Single nucleotide polymorphism Gene-gene interaction

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