Mayeen Uddin Khandaker

Mayeen Uddin Khandaker
Sunway University · Centre for Applied Physics and Radiation Technologies

PhD

About

776
Publications
211,758
Reads
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15,381
Citations
Additional affiliations
December 2018 - December 2019
University of Malaya
Position
  • Professor (Full)
December 2017 - present
Sunway University, Kuala Lumpur, Malaysia
Position
  • Professor
January 2010 - November 2010
American International University-Bangladesh
Position
  • Professor (Assistant)

Publications

Publications (776)
Article
Perovskite solar cells (PSCs) are considered a new paradigm in photovoltaic energy technology due to their extraordinary power conversion capabilities. However, their commercialization is hindered by stability issues. The current understanding of PSC degradation mechanisms focuses on factors such as moisture, oxygen, light, temperature, and electri...
Article
Metallic nanorods are promising radiosensitizers, with their effectiveness influenced by atomic number, mass density, and biological factors. This study investigates the radiosensitization efficacy of five different metallic nanorods - gold, platinum, hafnium, gadolinium, and cerium by using TOPAS Monte Carlo simulations. The spectra of emitted ele...
Article
A B S T R A C T Radon is a colorless and radioactive noble gas, which can severely harm human health during acute exposure. So, it is highly necessary to improve ways of capturing Rn gas for the purpose of radiation protection. In this work, the approach of density functional theory, was employed to study 222Rn capture capacity of functionalized h-...
Article
Full-text available
Investigations on two-dimensional materials for efficient carbon dioxide (CO2) capture and storage have recently attracted much attention, especially in the global industrial sector. In this work, the CO2 uptake by three configurations of two-dimensional magnesium oxide was investigated using density functional theory. CO2 capture analysis was perf...
Article
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Introduction Adnexal masses are a common health issue in gynecology; the challenge lies in the differential diagnosis of these masses. The International Ovarian Tumor Analysis Simple Rules (IOTA-SR) offers the first scoring system to aid in diagnosis. It is based on a set of five ultrasound imaging features indicative of a malignant ovarian tumor a...
Article
Background Functional magnetic resonance imaging (fMRI) has revolutionized our understanding of brain activity by non-invasively detecting changes in blood oxygen levels. This review explores how fMRI is used to study mind-reading processes in adults. Methodology A systematic search was conducted across Web of Science, PubMed, and Google Scholar....
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Perovskite materials have garnered significant attention within a very short period of time by achieving competitive efficiency. In addition, this material demonstrated intriguing optoelectronic properties and versatile applications. Although they have confirmed amazing efficiency in solar cells at the laboratory scale, mass commercial manufacturin...
Article
Ship-breaking on Bangladesh's Sitakunda coast, the world's second-largest site, releases residual radioisotopes and trace metals, causing continuous radioactive pollution. Thirty soil samples from ship-breaking yards and nearby areas, including a recent explosion site, were meticulously analysed for the first time. The results unveiled notable leve...
Article
Full-text available
Within a decade, the power congversion efficiency (PCEs) of metal-halide perovskite solar cells (PSCs) moves upward from 3.9% to 25.7%, making them competitive with current state-of-the-art silicon-based counterparts. This steepest growth of the PCEs suggests that the commercialization of this technology might be easing the energy transition from f...
Article
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Introduction: The effective implementation of radiation protection measures is essential to safeguard individuals undergoing radiation-based imaging procedures. This study aimed to evaluate the knowledge and comprehension of radiation protection among radiographers and students interns in western region of Saudi Arabia. Methods: A descriptive cross...
Article
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Sonneratia apetala, a nutrient-rich mangrove fruit, presents an opportunity for innovative food product development, offering potential health benefits and economic value through the creation of jam, jelly, and pickle. This innovative invention reveals the nutritional content including vitamins and minerals of Sonneratia apetala jam, jelly, and pic...
Article
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To assess the sources, levels, spatial distributions and exposure to human health, the concentration of heavy metals Pb, Cu, Mn, Zn, and Fe in the sand/sediment of the Parki Beach area of Anowara, Chattogram, Bangladesh are determined using Atomic Absorption Spectroscopy (AAS) for the first time. A total of 40 surface and subsurface sand and sedime...
Article
Background: Nuclear medicine diagnostic and treatment procedures represent significant sources of ionizing radiation exposure for both staff and patients. Consequently, assessing and optimizing radiation doses are crucial to minimize potential side effects. Aim: This study seeks to evaluate the effective radiation doses associated with common dia...
Poster
Full-text available
Radiotherapy (RT) is a widely used cancer treatment that requires continuous advancements to enhance its effectiveness. Nanoparticle-mediated photothermal therapy (PTT) and nanoparticle radiosensitization (NPRS) are emerging strategies that can improve RT outcomes. PTT utilizes plasmonic nanoparticles to convert absorbed light into heat, inducing l...
Article
Conducting comprehensive studies of radioactivity and associated risk assessments in the oil and gas industry is crucial due to the potential accumulation of Naturally Occurring Radioactive Materials in production operations. This pioneering study investigates radioactivity levels in surface soil from the Titas Gas Field area in Bangladesh by a Hig...
Article
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The development of efficient water purification technologies is a critical research focus driven by the crucial role of clean water sources for ecological sustainability. This study explores the strategic incorporation of nanoparticles within polyvinylidene fluoride (PVDF) membranes as a promising approach to enhance membrane performance for wastew...
Article
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This study investigates the uptake of naturally occurring radionuclides (²²⁶Ra, ²³²Th, and ⁴⁰K) from soil by rice plants in extensively cultivated regions in Bangladesh. It also evaluates the potential radiation risks associated with rice consumption by the Bangladeshi populace. High purity germanium (HPGe) gamma-ray spectrometry was employed to me...
Article
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Determining Speed Over Ground (SOG) with high precision is a critical challenge for marine and aerial vehicles due to various harsh conditions and technological limitations. Here, we reviews and evaluates current SOG measurement technologies, such as Water Speed Sensor, Air Speed Sensor, Global Navigation Satellite System (GNSS), Underwater Acousti...
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This study investigates the potential of renewable energy sources to address the growing energy demands of developing nations while ensuring environmental sustainability. Here, a model-based analysis to assess the feasibility of utilizing rice straw pyrolysis as a renewable energy source is investigated. The thermogravimetric analysis identified th...
Article
The current study aimed to analyze the texture feature of the pancreas in diabetic patients at King Faisal Medical Complex (KFMC) in Taif, KSA through Cutting-Edge Computed tomography (CT) image analysis and volume metrics. Material and method: 78 participants were involved, 39 patients with normal pancreas acted as a control group, while the remai...
Article
Demand for sustainable materials for membrane fabrication is rapidly increasing, particularly in Sarawak coastal areas. nanocellulose emerges as a promising alternative for membrane development due to its availability, intrinsic biodegradability, and high strength. However, the hydrophobicity of nanocellulose limits its applicability in water treat...
Article
This work investigated the gamma ray attenuation power of barium calcium aluminosilicate glass by using silicon carbide nanotube modifiers. Shielding efficiency of BaO-15CaO-5Al2O3-10B2O3-35SiO2 was investigated by adding different concentrations of silicon carbide nanotubes (10, 15, 20, 25 mol %). Amorphous and fine characteristics of the prepared...
Article
Full-text available
Perovskite solar cells (PSCs) hold potential for low-cost, high-efficiency solar energy, but their sensitivity to moisture limits practical application. Current fabrication requires controlled environments, limiting mass production. Researchers aim to develop stable PSCs with longer lifetimes under ambient conditions. In this research work, we inve...
Article
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The escalating demands for efficient wastewater treatment drive this study, which explores the development and characterization of polyvinylidene fluoride (PVDF) nanocomposite membranes enhanced with nanocellulose (NC) and titanium dioxide (TiO2). The integration of NC and TiO2 nanoparticles into a PVDF matrix via the phase inversion method yielded...
Article
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This study investigates the gamma-ray shielding properties of Bi-Se-Ge chalcogenide glasses using advanced computational tools. The Phy-X/PSD and FLUKA programs were utilized to determine critical shielding parameters such as linear attenuation coefficient ( GLAC ), mass attenuation coefficient ( GMAC ), half-value layer ( GHVL ), mean free path (...
Article
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The present study employed statistical methods to evaluate the possible radiological hazards linked to granitic rocks-bearing mineralization in the ELgarra region of Egypt. The geological structures influence the occurrence of uranium mineralization in this area and are primarily associated with altered granites. Gamma-ray spec-trometry was utilize...
Article
Background: Stroke is a syndrome caused by either (a) a blocked blood vessel or (b) a ruptured blood vessel that blocks blood flow to a part of the brain, resulting in cell damage and loss of brain function. The aim of this study was to evaluate cerebrovascular accident (CVA) patients with computed tomography (CT) and CVA-associated factors. Method...
Article
Background: Stroke is a syndrome caused by either (a) a blocked blood vessel or (b) a ruptured blood vessel that blocks blood flow to a part of the brain, resulting in cell damage and loss of brain function. The aim of this study was to evaluate cerebrovascular accident (CVA) patients with computed tomography (CT) and CVA-associated factors. Method...
Article
Background: Stroke is a syndrome caused by either (a) a blocked blood vessel or (b) a ruptured blood vessel that blocks blood flow to a part of the brain, resulting in cell damage and loss of brain function. The aim of this study was to evaluate cerebrovascular accident (CVA) patients with computed tomography (CT) and CVA-associated factors. Method...
Article
Full-text available
Purpose In pediatric medicine, precise estimation of bone age is essential for skeletal maturity evaluation, growth disorder diagnosis, and therapeutic intervention planning. Conventional techniques for determining bone age depend on radiologists’ subjective judgments, which may lead to non-negligible differences in the estimated bone age. This stu...
Article
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The atmosphere has been burdened by the augmented release of greenhouse gases, leading to the unfortunate consequences of global warming due to the combustion of fossil fuels. Consequently, the realms of energy have directed their attention toward sustainable alternatives like hydro energy in order to generate electricity. Methods for storing energ...
Article
Background: Human immunodeficiency virus (HIV) and sexually transmitted infections (STIs) can cause severe and fatal complications; knowledge about these diseases is essential for promoting safe sex practices and modifying behaviours that are harmful to one's health. This study investigates Syrian people's understanding, attitudes, and behaviors t...
Poster
Full-text available
Cancer is one of the most significant health challenges worldwide, affecting millions of lives. Radiotherapy plays a key role in cancer treatment. However, this treatment has a risk of harming the surrounding healthy tissue and cause adverse side effects. Several innovative methods are developed to increase the therapeutic benefits of radiotherapy...
Article
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Among many types of cancers, to date, lung cancer remains one of the deadliest cancers around the world. Many researchers, scientists, doctors, and people from other fields continuously contribute to this subject regarding early prediction and diagnosis. One of the significant problems in prediction is the black-box nature of machine learning model...
Article
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The radiological and environmental hazards of Wadi El Markh granitic rocks were investigated, and magnetic data were used to delineate the structural framework and determine the bedrock depth in the area. The result displayed that geological structures influence the occurrence of uranium mineralization in this area and are mainly associated with al...
Article
Realizing the importance of herbal medicine, it is essential to investigate radioactivity in medicinal plants in order to protect human health, ensure the quality of herbal medicines, and so on. The present study determines the concentration of naturally occurring radioactive materials in 21 medicinal plants collected from different areas of Chatto...
Article
Full-text available
In this study, we have extensively investigated an eco-friendly perovskite-based solar cell via a theoretical approach and numerical simulation. For that purpose, firstly, we have conducted a brief literature review to decipher the status of Pb-free perovskite solar cells (PSCs). The literature review reflects that the research on Pb-free PSCs is g...
Article
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The effect of different reaction atmospheres is analyzed on the size and morphology of boron nitride nanotubes within a single and continuous growth duration of 180 min at 1200 1C. Field emission scanning electron microscopy micrographs show smaller and larger diameter boron nitride nanotubes in the range of 70-700 nm, with straight and curve parts...
Article
Background: Radiographers are at risk of developing musculoskeletal injuries (MSIs) due to their job’s physical demands, including using lead garments for radiation protection during fluoroscopy procedures. This study aims to investigate the impact of lead garments on MSIs and physical activity among Saudi radiographers. Methods: A cross-sectional...
Article
Full-text available
In the delta region of Bangladesh, Sonneratia apetala, also known as Keora and mangrove apple, is widely recognized for its dual role as a source of both food and medicine. Seasonal S. apetala fruits were gathered from Hatiya, Noakhali, in October 2021. The samples were segregated into pericarps and seeds, then fractionated into methanol segments....
Article
75 μm thick PTFE tape attracts interest, forming the basis of a potential skin dosimeter capable of utilization in radiotherapeutic external beam applications. The medium is readily available, for instance in the form of ordinary plumber’s tape as used herein, typically of 12 mm width mounted on a spool. A 60Co (mean energy 1.25 MeV) irradiator has...