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Results for “"Ashikur Rahaman"”

57 results

Impact of Leg Ulcers on Quality of Life: Financial, Social, and Psychological Implications among the Patients Attending OPD of Vascular Surgery: A Study in Bangabandhu Sheikh Mujib MedicalUniversity, Dhaka, Bangladesh

Verified

AK Al Miraj, HN Ashikur Rahaman, Magfur Rahman, Saif Ullah Khan

Journal: British Journal of ResearchYear: 2020Citations: 1

Background: Leg ulcers distress perhaps many persons within Bangladesh, though there are not any definitive data their prevalence is probably going to rise as time and therefore the population ages. They cause considerable disability to figure or earning, limb or a part of limb loss, and therefore t...

Health SciencesMedicineSurgeryOpen Access
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Crystallographic impact on hydrolysis catalyst (pH) of Sol-gel derived polymorphs TiO2 nanocrystals

Verified

Md. Ashikur Rahaman, Md. Tarikul Islam, G. M. Arifuzzaman Khan, Rahima Tanbin Tama et al.

Journal: Nano-Structures & Nano-ObjectsYear: 2026
Physical SciencesEnergyRenewable Energy, Sustainability and the Environment
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Crystallographic Phase Analysis of Co‐Precipitated Modulated Lime Nanoparticle Induced by Ammonium Solution

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Md. Tarikul Islam, Md. Ashikur Rahaman, Shanawaz Ahmed, Md. Khalid Hossain Shishir et al.

Journal: Crystal Research and TechnologyYear: 2026

ABSTRACT A novel, unique, simple route was introduced to form a highly crystalline phase of lime (CaO) using by a precipitating agent. The structural parameters were ascertained by X‐ray diffraction (XRD), which offered an in‐depth understanding of the material's crystalline characteristics. The XRD...

Physical SciencesMaterials ScienceBiomaterials
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Longitudinal Laboratory Drift Modeling for Multi-Class Chemotherapy Toxicity Prediction Using Tree-Based Ensemble Learning

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Ashikur Rahaman, Md Jabed Hasan Jabir, Md Amzad Sadik Abid, Md. Sabbir Hossain Polak et al.

Year: 2026

Toxicity due to chemotherapy has been a major issue in cancer treatment and the existing risk measurements are mostly based on immune homeostasis parameters at baseline that are not capable of assessing changing physiological dynamics throughout the treatment. This paper presents a new machine learn...

Physical SciencesComputer ScienceArtificial Intelligence
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Molecular Pharming: Advances, Applications, and Future Prospects in Biotechnology and Medicine

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Md. Hridoy Ahmed, Mustak Ahmad Khan, Shishir Dutta, Md. Foyzur Rahman et al.

Journal: Engineering in Life SciencesYear: 2026

Genetically engineered plants incorporate the use of a novel bioreactor known as molecular pharming, which has a transformative view on the pharmaceutical industry. The technique enables mass production, at a low cost, and reproducibly of a large number of different protein-based drugs, vaccines, an...

Life SciencesBiochemistry, Genetics and Molecular BiologyBiotechnologyOpen Access
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Operational challenges and energy consumption of informal electric tricycles (“Easy Bikes”) in Bangladesh: A field-based socio-technical assessment

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Shabbir Chowdhury, Japatosh Mondal, Md. Mahamudul Hasan Palash, Ashikur Rahaman Siam

Journal: Energy Sustainable Development/Energy for sustainable developmentYear: 2026

Battery-powered electric tricycles, locally called “Easy Bikes”, have expanded rapidly in Bangladesh as a low-cost mobility option, particularly in secondary cities and peri-urban corridors. Despite their socio-economic importance, the sector operates largely outside formal technical standards, rais...

Energy consumptionTransport engineeringEnvironmental economicsOpen Access
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Fabrication of tannic acid-functionalized sugarcane fiber reinforced chitosan based biocomposite sheet: A sustainable antibacterial solution for shoe insoles

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Md. Sabbir Hosen, Md. Elias Uddin, Sadia Mim, Md Ashikur Rahaman Noyon et al.

Journal: Bioresource Technology ReportsYear: 2025
Physical SciencesMaterials SciencePolymers and Plastics
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Shoreline change dynamics and groundwater quality assessment of Sandwip island: insights from a long-term DSAS-based analysis

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Ashikur Jaman Zihad, Kamruzzaman Tusar, Tamanna Haque Mim, Hasnain Ahmed et al.

Journal: Marine GeodesyYear: 2025

Sandwip Island, located at the Meghna River estuary in the Bay of Bengal, is highly vulnerable to cyclones, storm surges, tidal flooding, and saline intrusion. These hazards accelerate shoreline retreat and degrade freshwater aquifers creating a coupled system of geomorphic and hydrogeological risks...

Physical SciencesEarth and Planetary SciencesGeochemistry and Petrology
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Multitype Bone Fracture Detection and Classification with YOLOv12: A Deep Learning Approach on a Custom X-Ray Dataset and Web Application

Verified

Sumit Sikder, Nazmul Hasan, Arpita Howlader, Md Samsuzzaman et al.

Year: 2025

Detection and classification of bone fractures in medical imaging greatly help doctors make accurate diagnoses and plan treatments more efficiently. Traditionally, people have depended a lot on manual methods for this, which take up too much time and often lead to mistakes from human oversight. In r...

Health SciencesMedicineHealth Informatics
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Numerical Analysis and Performance Optimization of $\text{RbGeBr}_{3}$-Based Perovskite Solar Cells Under Non-Ideal Conditions

Verified

Tapos Chandra Saha, Md. Abul Bashar, Ashikur Rahaman Siam, Sadikatul Islam Sara et al.

Year: 2025

Perovskite solar cells (PSCs) have become the cell of the future in terms of photovoltaic because of their adjustable bandgap, good optoelectronic characteristics, and low cost of manufacture. <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$\text{RbGeB...

Physical SciencesEngineeringElectrical and Electronic Engineering
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Study of asymmetrical-multi level inverter using two switching angle techniques

Verified

Dewan Ashikur Rahaman, Tapan Kumar Chakraborty

Journal: International Journal of Power Electronics and Drive Systems/International Journal of Electrical and Computer EngineeringYear: 2025

An inverter is a device that transforms DC power into AC power. Inverters can be categorized into single-level inverters and multilevel inverters. This paper discusses two controlled strategies-equal step angle and sinusoidal switching angle-for a multilevel inverter, highlighting their effectivenes...

Physical SciencesEngineeringElectrical and Electronic EngineeringOpen Access
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Optimizing Distribution Losses through ETAP

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Farzana Alam, Ashikur Rahaman, Siddik Mia, Antor Chandra Dey et al.

Journal: International Transactions on Electrical Engineering and Computer ScienceYear: 2025

High distribution system losses remain a major obstacle to efficient electricity supply in developing countries. In Bangladesh, losses exceed 10% and include both technical losses (TLs), caused by conductor resistance, transformer inefficiencies, and reactive power flow, and non technical losses (NT...

Physical SciencesEngineeringElectrical and Electronic EngineeringOpen Access
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Recycling leather buffing dust into activated carbon for efficient turbidity removal from tannery wastewater

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Md Mohsin, Md. Suzaul Karim, Md Ashikur Rahaman Noyon, Mst. Farhana Yeasmin et al.

Journal: Next MaterialsYear: 2025

Leather buffing dust (BD), a solid waste generated from the leather industry, was utilized as a raw material for synthesizing activated carbon (AC) through ZnCl 2 activation and pyrolysis. The main focus of this study was to prepare an adsorbent with low price and high efficiency to remove turbidity...

Physical SciencesEnvironmental ScienceWater Science and TechnologyOpen Access
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Harmonics Mitigation in Multilevel Inverter Controlled by Equal-Step Angle and Sinusoidal Switching Angle Strategy with Increased Number of Voltage Levels Using PSIM Software

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Dewan Ashikur Rahaman, Tapan Kumar Chakraborty

Year: 2024

Conversion from the DC power to AC power the device is used is known as Inverter. Inverters can be classified into Single level Inverter and Multilevel Inverter. This Paper discussed two types of Controlled Strategy (Equal Step Angle and Sinusoidal Switching Angle) of a Multi-Level Inverter to show ...

Physical SciencesEngineeringElectrical and Electronic Engineering
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Climate Smart Agriculture to Ensure Food Security in Disaster Prone Ecosystem

Verified

Jakariya Md., Turasa Nahla, Lamia Mahzabin, Ragib Ahmed et al.

Journal: SSRN Electronic JournalYear: 2023
Life SciencesAgricultural and Biological SciencesEcology, Evolution, Behavior and SystematicsOpen Access
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TakeCare: An Approach to Help Bangladeshi Young Adults During Depressive and Suicidal Episodes

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Md. Ashikur Rahaman, Shamia Ferdousy, Fatima-Tuz-Zohora Mithila, Mahdia Amina et al.

Journal: Lecture notes in networks and systemsYear: 2022
Social SciencesPsychologyApplied Psychology
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Early outcome of concurrent mitral valve replacement and coronary artery bypass grafting

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AK Al Miraj, HN Ashikur Rahaman, Magfur Rahman, Saif Ullah Khan et al.

Journal: International Journal of Cardiology ResearchYear: 2020

Concomitant coronary artery bypass surgery (CABG) in patients undergoing mitral valve replacement (MVR) has been shown to be an important risk factor for hospital mortality. We evaluated preoperative characteristics, postoperative complications, in-hospital mortality rate, and length of stay in hosp...

Health SciencesMedicineCardiology and Cardiovascular MedicineOpen Access
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