Rahat Khan
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View article: Integrated mineralogical and microstructural analysis of gas field samples in Bangladesh: Optimizing extraction strategies for Salda and Shahbazpur reservoirs
Integrated mineralogical and microstructural analysis of gas field samples in Bangladesh: Optimizing extraction strategies for Salda and Shahbazpur reservoirs Open
Background: The Salda and Shahbazpur gas fields are two significant natural gas reservoirs in the Bengal Basin, Bangladesh. This study presents a novel integration of mineralogical and microstructural analyses aimed at optimizing gas extra…
View article: Developing a riverbank erosion susceptibility index: A pragmatic approach to reveal the level of vulnerability in coastal Bangladesh
Developing a riverbank erosion susceptibility index: A pragmatic approach to reveal the level of vulnerability in coastal Bangladesh Open
Riverbank erosion is one of the significant natural hazards affecting the livelihoods of communities living along riverbanks in Bangladesh. This study develops a novel riverbank erosion susceptibility index (RESI) to quantitatively assess …
View article: Bioaccumulation of elements in the edible part of vegetables from the agricultural soil: Source apportionment and potential risks
Bioaccumulation of elements in the edible part of vegetables from the agricultural soil: Source apportionment and potential risks Open
Heavy metal (HM) pollution analysis is critical for understanding environmental contamination pathways, safeguarding food safety, and protecting human health. This study evaluates HM contamination in soils and vegetables from Raozan and Ra…
View article: Geomorphological responses to climate change in the Ganges-Brahmaputra-Meghna Delta: A multi-decadal remote sensing analysis
Geomorphological responses to climate change in the Ganges-Brahmaputra-Meghna Delta: A multi-decadal remote sensing analysis Open
The Ganges-Brahmaputra-Meghna (GBM) Delta represents a major riverine system with limited data availability. This study investigates the morphodynamic behavior of the delta and estuary from 1990 to 2021 by analyzing time-series satellite i…
View article: Urbanization induced heat wave risk assessment of Khulna City, Bangladesh: A 30-years analysis of land surface temperature, climate trends and forecasting
Urbanization induced heat wave risk assessment of Khulna City, Bangladesh: A 30-years analysis of land surface temperature, climate trends and forecasting Open
View article: Artificial Intelligence and The National Security Matrix
Artificial Intelligence and The National Security Matrix Open
Artificial Intelligence is playing a transformational role in the domains of national security and international relations, which means that it is uniquely situated in military systems, cybersecurity, intelligence systems, and diplomatic s…
View article: Pakistan's Mineral Investment Forum 2025; Tapping Balochistan’s Minerals and Advancing National Economy and Foreign Policy Choices
Pakistan's Mineral Investment Forum 2025; Tapping Balochistan’s Minerals and Advancing National Economy and Foreign Policy Choices Open
In a contemporary global economy, natural resources, especially minerals, are being used as critical instruments of economic diplomacy and statecraft.1 Countries use the notion of minerals to enhance trade relations, establish strategic al…
View article: Source distribution, ecological risks, and controlling factors of heavy metals in river sediments: Receptor model-based study in a transboundary river basin
Source distribution, ecological risks, and controlling factors of heavy metals in river sediments: Receptor model-based study in a transboundary river basin Open
In the context of transboundary rivers, which constitute intricate fluvial ecosystems, the persistent threat of heavy metals (HMs) contamination poses significant risks to ecosystem health. In this study, ecotoxicological hazards, governin…
View article: Synthesis of drainage characteristics, water resources and sediment supply of the Bengal basin
Synthesis of drainage characteristics, water resources and sediment supply of the Bengal basin Open
This systematic review attempts to delineate a synthesis of the main drainage characteristics of the Bengal basin through the study of historical data, old maps, reports, records, satellite images, water and sediment discharge, etc. In doi…
View article: Quaternary environment and climate change reconstruction from geochemical and geoarchaeological evidences of paleosols in east-central Barind, NW Bangladesh
Quaternary environment and climate change reconstruction from geochemical and geoarchaeological evidences of paleosols in east-central Barind, NW Bangladesh Open
This research focuses on analyzing paleosols, major and trace element geochemistry, organic carbon levels, and geo-archaeological aspects of Quaternary deposits investigated in two sedimentary successions located in the east-central Barind…
View article: Assessment of trace elements in the long-term banana cultivation field’s soil
Assessment of trace elements in the long-term banana cultivation field’s soil Open
This work assesses the contamination of trace elements (Cr, Cu, Ni, As, Zn Cd, Mn, Fe, and Pb) in soil and different tissues of the banana plant ( Musa spp.), the ecological risks of trace elements using various indices, and the probable h…
View article: Correction to: Heavy metals in popularly sold branded cigarettes in Bangladesh and associated health hazards from inhalation exposure
Correction to: Heavy metals in popularly sold branded cigarettes in Bangladesh and associated health hazards from inhalation exposure Open
View article: Correction to: Human exposures to multiple water sources in the southwestern coastal region of Bangladesh: water quality, pollution sources, and preliminary health risks appraisals
Correction to: Human exposures to multiple water sources in the southwestern coastal region of Bangladesh: water quality, pollution sources, and preliminary health risks appraisals Open
View article: Human exposures to multiple water sources in the southwestern coastal region of Bangladesh: water quality, pollution sources, and preliminary health risks appraisals
Human exposures to multiple water sources in the southwestern coastal region of Bangladesh: water quality, pollution sources, and preliminary health risks appraisals Open
The coastal areas of Bangladesh have poor accessibility to fresh drinking water and the groundwater is not suitable for drinking, cooking, and other domestic uses due to high levels of salinity and potentially toxic elements. The current s…
View article: Metal(loid)s in tap-water from schools in central Bangladesh (Mirpur): Source apportionment, water quality, and health risks appraisals
Metal(loid)s in tap-water from schools in central Bangladesh (Mirpur): Source apportionment, water quality, and health risks appraisals Open
Considering the health risks originating from the exposure of metal(loid)s in tap-water and the concomitant vulnerability of school-going students, 25 composite tap water samples from different schools and colleges of central Bangladesh (M…
View article: Evaluation of Heavy Metal Contamination in Soil Samples around Rampal, Bangladesh
Evaluation of Heavy Metal Contamination in Soil Samples around Rampal, Bangladesh Open
Rising soil pollution has recently emerged as a significant global issue as a result of increased industrialization, urbanization, and inadequate waste management. In Rampal Upazila, soil contamination with heavy metals resulted in a signi…
View article: Effects of long-term banana cultivation on trace elements deposition in soil ecology
Effects of long-term banana cultivation on trace elements deposition in soil ecology Open
Nowadays, there is an emergent public concern about trace elements accumulation in surface soils of banana fields around the industrial area of Bangladesh. This work firstly assessed contamination of metal(loid)s (Cr, Cu, Ni, As, Zn Cd, Mn…
View article: Corrigendum to “Development of a fabricated first-flush rainwater harvested technology to meet up the freshwater scarcity in a South Asian megacity, Dhaka, Bangladesh” [Heliyon 9 (1) (January 2023) Article e13027]
Corrigendum to “Development of a fabricated first-flush rainwater harvested technology to meet up the freshwater scarcity in a South Asian megacity, Dhaka, Bangladesh” [Heliyon 9 (1) (January 2023) Article e13027] Open
View article: Facile acid fermentation extraction of silkworm pupae oil and evaluation of its physical and chemical properties for utilization as edible oil
Facile acid fermentation extraction of silkworm pupae oil and evaluation of its physical and chemical properties for utilization as edible oil Open
View article: Development of a fabricated first-flush rainwater harvested technology to meet up the freshwater scarcity in a South Asian megacity, Dhaka, Bangladesh
Development of a fabricated first-flush rainwater harvested technology to meet up the freshwater scarcity in a South Asian megacity, Dhaka, Bangladesh Open
The scarcity of freshwater in most of the megacities in the world is an important concern. In this regard, scientifically harvested rainwater could provide an effective measure to this crisis. In this attempt, we developed a cost-effective…
View article: Cross sections and calculated yields of some radionuclides of yttrium, strontium and rubidium formed in proton-induced reactions on enriched strontium-86: possibility of production of <sup>85g</sup>Sr, <sup>83</sup>Rb and <sup>82m</sup>Rb in no-carrier-added form
Cross sections and calculated yields of some radionuclides of yttrium, strontium and rubidium formed in proton-induced reactions on enriched strontium-86: possibility of production of <sup>85g</sup>Sr, <sup>83</sup>Rb and <sup>82m</sup>Rb in no-carrier-added form Open
Cross sections of the 86 Sr(p,3n) 84m Y, 86 Sr(p,αn) 82m Rb, and 86 Sr(p,x) 85g Sr reactions were measured from their respective thresholds up to 16.2 MeV and from 23.0 to 44.1 MeV at FZJ, and from 14.3 to 24.5 MeV at LBNL, using 96.4% enr…
View article: Primordial radionuclides in the dust samples from the educational institutions of central Bangladesh: radiological risk assessment
Primordial radionuclides in the dust samples from the educational institutions of central Bangladesh: radiological risk assessment Open
View article: Toxic elemental abundances in the sediment of the Jamuna River, Bangladesh: pollution status, sources, toxicity, and ecological risks assessment
Toxic elemental abundances in the sediment of the Jamuna River, Bangladesh: pollution status, sources, toxicity, and ecological risks assessment Open
In this study, elemental abundances of As, Cd, Cr, Co, Cu, Pb, and Zn in the 30 composite sediment samples from Jamuna River, Bangladesh were measured by atomic absorption spectrophotometer to assess their contamination level, toxicity, an…
View article: NORMs distribution in the dust samples from the educational institutions of Megacity Dhaka, Bangladesh: Radiological risk assessment
NORMs distribution in the dust samples from the educational institutions of Megacity Dhaka, Bangladesh: Radiological risk assessment Open
This study demonstrates the specific radioactivities of primordial radionuclides in dust samples collected from educational institutions of the megacity Dhaka, Bangladesh. Elemental levels from neutron activation analysis were converted in…
View article: Potentially toxic elemental contamination in Wainivesi River, Fiji impacted by gold-mining activities using chemometric tools and SOM analysis
Potentially toxic elemental contamination in Wainivesi River, Fiji impacted by gold-mining activities using chemometric tools and SOM analysis Open
View article: Potentially Toxic Elemental Contamination in Wainivesi River, Fiji Impacted by Gold-mining Activities using Chemometric Tools and SOM Analysis
Potentially Toxic Elemental Contamination in Wainivesi River, Fiji Impacted by Gold-mining Activities using Chemometric Tools and SOM Analysis Open
Potentially toxic elements (PTEs) contamination in Wainivesi River, Fiji triggered by gold-mining activities is a major public health concern deserving attention. However, chemometric approaches and pattern recognition of PTEs in surface w…
View article: Public health vulnerability due to the exposure of dissolved metal(oid)s in tap water from a mega city (Dhaka, Bangladesh)
Public health vulnerability due to the exposure of dissolved metal(oid)s in tap water from a mega city (Dhaka, Bangladesh) Open
Tap water is the sole source of water in urban cities but gradually being polluted by potentially toxic elements due to unplanned urbanization. The south Asian megacity, Dhaka (capital of Bangladesh) encounters drastic water pollution resu…
View article: A comprehensive assessment of heavy metal contamination in road dusts along a hectic national highway of Bangladesh: spatial distribution, sources of contamination, ecological and human health risks
A comprehensive assessment of heavy metal contamination in road dusts along a hectic national highway of Bangladesh: spatial distribution, sources of contamination, ecological and human health risks Open
Human activities around or within national highways, combined with atmospheric mixing, produce road dust, which can cause health problems through a variety of exposure routes. Thus, the study was aimed to investigate the contamination, spa…
View article: Multivariate Statistics and Entropy Theory for Irrigation Water Quality and Entropy-Weighted Index Development in a Subtropical Urban River, Bangladesh
Multivariate Statistics and Entropy Theory for Irrigation Water Quality and Entropy-Weighted Index Development in a Subtropical Urban River, Bangladesh Open
Currently, a well-developed combination of irrigation water quality index (IWQIs) and entropy water quality index (EWQIs) for surface water appraisal in a polluted subtropical urban river is very scarce in the literature. To close this gap…
View article: Exploring a Design of Landslide Monitoring System
Exploring a Design of Landslide Monitoring System Open
Landslide is a critical natural geological hazard that causes severe damage to property, infrastructure, and humans. In general, some location‐specific factors trigger a landslide. Wireless sensor network (WSN) is an enabling technology to…