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Results for “"Md Firoz Khan"”

16+ results

Concentration of heavy metals in seafood (fishes, shrimp, lobster and crabs) and human health assessment in Saint Martin Island, Bangladesh

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Mohammad Abdul Baki, Md Muzammel Hossain, Jhuma Akter, Shamshad B. Quraishi et al.

Journal: Ecotoxicology and Environmental SafetyYear: 2018Citations: 361

A contaminated aquatic environment may end up in the food chain and pose risks to tourist health in a tourist destination. To assess the health risk for tourists that visit St. Martine Island, which is a popular domestic and foreign tourist destination in Bangladesh, a study is undertaken to analyse...

Physical SciencesEnvironmental SciencePollution
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ABO Blood Groups and Cholera: New Observations on Specificity of Risk and Modification of Vaccine Efficacy

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John D. Clemens, David A. Sack, Jeffrey R. Harris, J. Chakraborty et al.

Journal: The Journal of Infectious DiseasesYear: 1989Citations: 126

Journal Article ABO Blood Groups and Cholera: New Observations on Specificity of Risk and Modification of Vaccine Efficacy Get access John D. Clemens, John D. Clemens Please address requests for reprints to Dr. John D. Clemens, Center for Vaccine Development, University of Maryland School of Medicin...

Health SciencesMedicineEpidemiology
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Effect of dye extracting solvents and sensitization time on photovoltaic performance of natural dye sensitized solar cells

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Md. Khalid Hossain, Md. Firoz Pervez, M.N.H. Mia, Abdul Al Mortuza et al.

Journal: Results in PhysicsYear: 2017Citations: 123

In this study, natural dye sensitizer based solar cells were successfully fabricated and photovoltaic performance was measured. Sensitizer (turmeric) sources, dye extraction process, and photoanode sensitization time of the fabricated cells were analyzed and optimized. Dry turmeric, verdant turmeric...

Physical SciencesEnergyRenewable Energy, Sustainability and the EnvironmentOpen Access
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Explicit finite difference analysis of an unsteady MHD flow of a chemically reacting Casson fluid past a stretching sheet with Brownian motion and thermophoresis effects

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Sk. Reza‐E‐Rabbi, S. M. Arifuzzaman, Tanmoy Sarkar, Md. Shakhaoath Khan et al.

Journal: Journal of King Saud University - ScienceYear: 2018Citations: 119

This study intends to elaborate the heat and mass transfer analysis of Casson nanofluid flow past a stretching sheet together with magnetohydrodynamics (MHD), thermal radiation and chemical reaction effects. The boundary layer approximations established the governing equations, i.e., time-subservien...

Physical SciencesEngineeringBiomedical EngineeringOpen Access
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Rural drinking water at supply and household levels: Quality and management

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Bilqis Amin Hoque, Kelly Hallman, Jason Levy, Howarth E. Bouis et al.

Journal: International Journal of Hygiene and Environmental HealthYear: 2006Citations: 98

Access to safe drinking water has been an important national goal in Bangladesh and other developing countries. While Bangladesh has almost achieved accepted bacteriological drinking water standards for water supply, high rates of diarrheal disease morbidity indicate that pathogen transmission conti...

Health SciencesNursingNutrition and Dietetics
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Energy Sustainability–Survey on Technology and Control of Microgrid, Smart Grid and Virtual Power Plant

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Riaz Ullah Khan, Naimul Islam, Sajal K. Das, S. M. Muyeen et al.

Journal: IEEE AccessYear: 2021Citations: 88

The idea of microgrid, smart grid, and virtual power plant (VPP) is being developed to resolve the challenges of climate change in the 21st century, to ensure the use of renewable energy in the electrical grid. For the increasing demand for electricity, raising public consciousness about reducing ca...

Physical SciencesEngineeringControl and Systems EngineeringOpen Access
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Chemically reactive and naturally convective high speed MHD fluid flow through an oscillatory vertical porous plate with heat and radiation absorption effect

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S. M. Arifuzzaman, Md. Shakhaoath Khan, Md. Farid Uddin Mehedi, B. M. Jewel Rana et al.

Journal: Engineering Science and Technology an International JournalYear: 2018Citations: 87

This paper concerns with the modelling of an unsteady natural convective and higher order chemically reactive magnetohydrodynamics (MHD) fluid flow with the effect of heat and radiation absorption. The flow is generated through a vertical oscillating porous plate. Boundary layer approximations is ca...

Physical SciencesEngineeringBiomedical EngineeringOpen Access
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Computational modelling of multiphase fluid flow behaviour over a stretching sheet in the presence of nanoparticles

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Sk. Reza‐E‐Rabbi, Sarder Firoz Ahmmed, S. M. Arifuzzaman, Tanmoy Sarkar et al.

Journal: Engineering Science and Technology an International JournalYear: 2019Citations: 84

Present study analysed hydrodynamic flow behaviour of multiphase radiative Casson and Maxwell fluids with the appearance of nano-sized particles. The impression of a nonlinear chemical reaction is also considered. Firstly, the time-dependent governing equations were computationally resolved using fi...

Physical SciencesEngineeringBiomedical EngineeringOpen Access
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Bacterial and viral pathogen spectra of acute respiratory infections in under-5 children in hospital settings in Dhaka city

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Golam Sarower Bhuyan, Mohammad Amir Hossain, Suprovath Kumar Sarker, Asifuzzaman Rahat et al.

Journal: PLoS ONEYear: 2017Citations: 75

The study aimed to examine for the first time the spectra of viral and bacterial pathogens along with the antibiotic susceptibility of the isolated bacteria in under-5 children with acute respiratory infections (ARIs) in hospital settings of Dhaka, Bangladesh. Nasal swabs were collected from 200 und...

Health SciencesMedicineEpidemiologyOpen Access
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Trends in atmospheric particulate matter in Dhaka, Bangladesh, and the vicinity

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Md. Masud Rana, Norela Sulaiman, Bjarne Sivertsen, Md Firoz Khan et al.

Journal: Environmental Science and Pollution ResearchYear: 2016Citations: 74

Dhaka and its neighboring areas suffer from severe air pollution, especially during dry season (November-April). We investigated temporal and directional variations in particulate matter (PM) concentrations in Dhaka, Gazipur, and Narayanganj from October 2012 to March 2015 to understand different as...

Physical SciencesEnvironmental ScienceHealth, Toxicology and Mutagenesis
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Efficiency enhancement of natural dye sensitized solar cell by optimizing electrode fabrication parameters

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M. Khalid Hossain, Md. Firoz Pervez, Shahzadi Tayyaba, M. Jalal Uddin et al.

Journal: Materials Science-PolandYear: 2017Citations: 63

Abstract Efficiency of dye-sensitized solar cell (DSSC) depends on several interrelated factors such as type and concentration of dye, type and thickness of photoelectrode and counter electrode. Optimized combination of these factors leads to a more efficient cell. This paper presents the effect of ...

Physical SciencesEnergyRenewable Energy, Sustainability and the EnvironmentOpen Access
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Influence of natural dye adsorption on the structural, morphological and optical properties of TiO<sub>2</sub>based photoanode of dye-sensitized solar cell

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M. Khalid Hossain, Md. Firoz Pervez, M. Jalal Uddin, Shahzadi Tayyaba et al.

Journal: Materials Science-PolandYear: 2017Citations: 59

Abstract Porous photoanodes of dye-sensitized solar cells (DSSCs) can adsorb specific type of natural or organic dyes. Adsorption of the dye results in a change of the structural, morphological and optical characteristics of the photoanode. In this work, we present a comparative study on the adsorpt...

Physical SciencesEnergyRenewable Energy, Sustainability and the EnvironmentOpen Access
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Molecular analysis of rRNA and cholera toxin genes carried by the new epidemic strain of toxigenic Vibrio cholerae O139 synonym Bengal

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Shah M. Faruque, A R Abdul Alim, Roy Sk, Md Firoz Khan et al.

Journal: Journal of Clinical MicrobiologyYear: 1994Citations: 59

Vibrio cholerae O139 synonym Bengal recently caused large epidemics of cholera-like disease in Bangladesh and India. We compared the restriction fragment length polymorphisms of ctxA and rRNA genes (ribotypes) in 27 isolates of V. cholerae O139 from patients in Bangladesh and India with those of 48 ...

Life SciencesBiochemistry, Genetics and Molecular BiologyEndocrinologyOpen Access
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Characterization of fluid flow and heat transfer of a periodic magnetohydrodynamics nano non‐Newtonian liquid with Arrhenius activation energy and nonlinear radiation

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Sk. Reza‐E‐Rabbi, Sarder Firoz Ahmmed, Saiful Islam, S. M. Arifuzzaman et al.

Journal: Heat TransferYear: 2022Citations: 58

Abstract The focus of this study is to better understand the boundary layer phenomena of nonlinear radiative nano non‐Newtonian (Casson) fluid flow caused by a stretched periphery with a periodic magnetic field and Arrhenius activation energy. The time‐based controlling equations are translated into...

Physical SciencesEngineeringBiomedical Engineering
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Medical Image Enhancement Using Morphological Transformation

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Raihan Firoz, Md. Shahjahan Ali, M. Nasir Uddin Khan, M. Khalid Hossain et al.

Journal: Journal of Data Analysis and Information ProcessingYear: 2016Citations: 58

Medical imaging includes different modalities and processes to visualize the interior of human body for diagnostic and treatment purpose. However, one of the most common degradations in medical images is their poor contrast quality and noise. The existence of several objects and the close proximity ...

Physical SciencesComputer ScienceComputer Vision and Pattern RecognitionOpen Access
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