Prosun Bhattacharya

KTH Royal Institute of Technology | KTH · Department of Sustainable Development, Environmental Sciences and Engineering (SEED)

Congo red (CR) dye is a synthetic azo dye expansively used in the textile industry, is discharged to aquatic environments, and is toxic to humans and aquatic flora. The performance of cationic amino-modified banana leaves (CMBL) for CR dye sequestration was evaluated first time in this study. The surface modification of CMBL was analyzed using Scan...

In recent years, microplastics (MPs), an emerging pollutant in groundwater, have raised public health concerns due to their long persistence and potential ecotoxicity. This review focuses on discussing the occurrence, fate, and transport of MPs in groundwater, along with their sampling, detection, size range, types, and potential sources and pathwa...

Fluoride is essential for the human body and a global groundwater contaminant (the recommended WHO limit is 1.5 mg/L). The mobilization and genesis of fluoride depend on fluoride-bearing rocks (e.g., fluorite, fluor-apatite, biotite, etc.) that are a part of the natural geogenic process, which later contaminate the groundwater. More specifically, t...

Global groundwater is frequently discovered to have high arsenic (As) concentrations, which is critically endangered and potentially toxic to aquatic organisms and humans. This work investigates As(V) adsorption using raw nanobiochar (RnBC) and activated magnetic nanobiochar (AMnBC), which are synthesized via pre-treating rice straw biomass with Zn...

Application of greener pretreatment technology using robust ligninolytic bacteria for short duration to deconstruct rice straw and enhance bioethanol production is currently lacking. The objective of this study is to characterize three bacterial strains isolated from the milieux of cow rumen and forest soil and explore their capabilities of breakin...

Biochar has emerged as a promising material for solving many environmental challenges. It’s derived from biomass pyrolysis and acts as a carbon shuttle between the atmosphere and soil. It also serves as a fertility agent and can remove contaminants from soil. This review aims to understand the effect of the choice of preparation methods and process...

Coinfections or secondary infections boost the severity of COVID-19. Determining the whole scenario is essential since SARS-CoV-2 variants and sub-variants keep appearing after vaccinations and booster doses. This study used five significant databases to conduct a systematic review and an overlap meta-analysis to evaluate the pooled estimates of co...

Although geogenic Arsenic (As) contamination is well-recognized in northern Chile, it is not restricted to this part of the country, as the geological conditions favoring As release to the human environment exist across the country as well, although not at the same level, based on comparatively fewer studies in central and southern Chile. The prese...

Lassa virus, the causative agent of Lassa fever (a severe viral hemorrhagic sickness characterized by excessive bleeding), is an enveloped, single-stranded, segmented, negative-sense RNA virus belonging to the family Arenaviridae. The genome of the Lassa virus consists of large (~7 kb) and small (~3.4 kb) segments where RNA-dependent RNA polymerase...

Adenoviruses are non-enveloped, non-segmented, linear, 26–48 Kbp long double stranded viruses that cause moderate cold- or flu-like symptoms. More than 12,000 confirmed cases of the Adenoviruses were recorded between January and March this year in the eastern state of West Bengal, India, and 150 children died as a result of acute respiratory infect...

Monkeypox (MPX) is a zoonotic viral reemerged disease which already recorded 87, 589 confirmed positive cases and 143 deaths. Although WHO declared that MPX is not now a global disease, it is important to find out the relationship with this disease. The Global Health Security Index (GHSI) are tools to evaluate a country's health security and prepar...

The ongoing global pandemic caused by the SARS-CoV-2 virus, known as COVID-19, has disrupted public health, businesses, and economies worldwide due to its widespread transmission. While previous research has suggested a possible link between environmental factors and increased COVID-19 cases, the evidence regarding this connection remains inconclus...

A laboratory-scale Constructed Wetland (CW) system consisting of a sludge drying bed and a vertical flow wetland bed was utilized for the treatment of septage, focusing on the reduction of microbial contamination (specifically total coliforms) and helminth eggs. The system had a total area of 0.99 m². The sludge drying bed and vertical flow bed wer...

Avian influenza virus (AIV), also known as bird flu, is a disease that affects domestic poultry, other birds, and mammal species. Following the COVID-19 pandemic, the pathogenic avian influenza H5N1 virus attracted attention as a significant new pandemic threat. H5N1 is enveloped, eight-segmented, -ssRNA virus, which belongs to the Orthomyxoviridae...

The multi-country outbreak of Monkeypox (MPOX) was proclaimed a public health emergency of international concern (PHEIC) on July 23, 2022, by WHO Director-General. In the middle of May 2023, 87429 cases were confirmed worldwide with 140 deaths from more than 110 countries. On 10th May 2023, WHO announced multicountry MPX outbreak is not a global pu...

SARS-CoV-2, +ssRNA virus belongs to the Coronaviridae family, and Nidovirales order infects all ages and socioeconomic groups, resulting in respiratory disease. In 2019, the initial spreading of infection in the Chinese city of Wuhan was reported. Previously, SARS-CoV-1, which produced an outbreak from 2002 to 2004, is linked to SARS-CoV-2 [1]. WHO...

Biochar, a promising carbon-rich and carbon-negative material, can control water pollution, harness the synergy of sustainable development goals, and achieve circular economy. This study examined the performance feasibility of treating fluoride-contaminated surface and groundwater using raw and modified biochar synthesized from agricultural waste r...

Arsenic is a widespread serious environmental pollutant as a food chain contaminant and non-threshold carcinogen. Arsenic transfer through the crops-soil-water system and animals is one of the most important pathways of human exposure and a measure of phytoremediation. Exposure occurs primarily from the consumption of contaminated water and foods....

Potentially toxic elements (PTEs) contamination in Buriganga river water, provoked by the point and non-point sources, has recently become a major health concern. Concentration, pollution degree, drinking and irrigation water potentiality, and associated health risks are the factors considered for this study. This study ascertained a mean pH, EC, T...

Marburg virus (MARV) is a rare, virulent, and zoonotic virus causing hemorrhagic fever with a mortality rate of about 88%. Enveloped and pleomorphic morphological appearance the virus contains a negative-sense single-stranded RNA (–ssRNA). After Ebola, one of the prominent members of the family, Filoviridae is this virus under the genus Marburgviru...

Avirulent halotolerant plant growth-promoting rhizobacteria (HPGPR) located on the roots' periphery can reduce abiotic stressors (such as salinity and drought), enhance plant productivity. Salinity poses a significant challenge for growing agricultural products, like rice, in the coastal regions. It is crucial to enhance production because of limit...

COVID-19 pandemic has caused over 6.71 million deaths out of 660 million confirmed cases as of January 12, 2023. SARS-CoV-2, the virus responsible for this worldwide pandemic is a member of the broad family of viruses known as coronaviruses (CoVs). It seems difficult to terminate the present pandemic despite continued vaccination programs and boost...

Dengue virus infection, a highly prominent health concern, has caused many health complications, positive cases, and deaths in Bangladesh in previous years. However, the prevalence of this infection and fatality rates in 2022 has shattered all prior records. The dengue virus vector, mosquitoes, found a high prevalence of infection due to the weathe...

Coronavirus disease 2019 (COVID-19) has spread across the globe producinghundreds of thousands of deaths, shutting down economies, closing borders andcausing havoc on an unprecedented scale. Its potent effects have earned theattention of researchers in different fields worldwide. Among them, authorsfrom different countries have published numerous r...

In Bangladesh, people primarily depend on on-site sanitation facilities (OSSF) with an immense challenge in achieving safe sanitation due to unplanned infrastructure development, improper management of fecal sludge, and inadequate monitoring. The commitment of attaining Sustainable Development Goals (SDG) 6.2 (ensuring safe sanitation for all) by 2...

Mad cow disease or Bovine spongiform encephalopathy (BSE), is a contagious, slowly developing, fatal illness brought on by a proteinous material called prion that infect the CNS (Central Nervous System) of adult cattle [1]. A confirmed positive case of BSE has been recorded in Brazil very recently. It is a protease-resistant distorting protein that...

Arsenic is one of the regulated hazard materials in the environment and a persistent pollutant creating environmental, agricultural and health issues and posing a serious risk to humans. In the present review, sources and mobility of As in various compartments of the environment (air, water, soil and sediment) around the World are comprehensively i...

Dengue virus (DENV) is an enveloped, single-stranded RNA virus, a member of the Flaviviridae family (which causes Dengue fever), and an arthropod-transmitted human viral infection. Bangladesh is well known for having some of Asia’s most vulnerable Dengue outbreaks, with climate change, its location, and it’s dense population serving as the main con...

The ongoing COVID-19 contagious disease caused by SARS-CoV-2 has disrupted global public health, businesses, and economies due to widespread infection, with 676.41 million confirmed cases and 6.77 million deaths in 231 countries as of February 07, 2023. To control the rapid spread of SARS-CoV-2, it is crucial to determine the potential determinants...

Fluoride (F⁻) contamination in water is a global health concern, threatening the well-being of millions. This study investigated the role of ZnCl2/FeCl3-rice husk-modified biochar (Zn-BC and Zn/Fe-BC) in treating F⁻-contaminated surface and groundwater under the influence of varying solution chemistry, co-existing ions, and biochar-amended through...

Access to safe drinking water in rural Bangladesh remains a perpetual challenge. Most households are exposed to either arsenic or faecal bacteria in their primary source of drinking water, usually a tubewell. Improving tubewell cleaning and maintenance practices might reduce exposure to faecal contamination at a potentially low cost, but whether cu...

Metalloids (especially Ge, As, Sb, and Te) are toxic elements that can geographically be abundant on the earth's crust. Generally, metalloids leach from the geologic materials such as rock, atmospheric dust, minerals, and geologic process such as earthquake and volcano eruptions which input the metalloids to soil and water over the permeable level...

November 9, 2021(1, 2). Subsequently, the variant spread throughout South Africa. Afterwards, this variant spread very quickly through the world. Scientists noted a higher amount of transmissibility than other variants and also observed reduced pathogenicity ..............

The massive surge of SARS-CoV-2 has imposed significant implications for the population of the entire World during COVID-19 ongoing pandemic...............

Coronavirus disease 2019 (COVID-19),(COVID-19), caused by SARS-CoV-2, has had a disastrous effect worldwide during the previous two years due to widespread infections with SARS-CoV-2 and its emerging variations. More than 650 million confirmed cases and over 6.6 million deaths have been attributed to successive waves of SARS-CoV-2 infections as of...

The detection of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) RNA in wastewater can be used as an indicator of the presence of SARS-CoV-2 infection in specific catchment areas. We conducted a hospital-based study to explore wastewater management in healthcare facilities and analyzed SARS-CoV-2 RNA in the hospital wastewater in Dhaka...

Uranium, thorium, and rare earth elements (REEs) are important strategic elements in today’s world with a range of applications in high and green technology and power generation. The expected increase in demand for U, Th, and REEs in the coming decades also raises a number of questions about their supply risks and potential environmental impacts. T...

Marburg virus (MARV) is a pathogenic zoonotic RNA virus etiologic for Marburg virus disease (MVD), a severe hemorrhagic fever. This is a rare disease, with a high fatality rate, that spreads via infected blood or body fluids or indirectly via fomites (contaminated objects and substances such as clothed, beds, personal protective equipment, or medic...

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron versions have been the sole one circulating for quite some time. Subvariants BA.1, BA.2, BA.3, BA.4, and BA.5 of the Omicron emerged over time and through mutation, with BA.1 responsible for the most severe global pandemic between December 2021 and January 2022. Other Omicron...

On July 23, 2022 the World Health Organization (WHO) has announced the Monkeypox disease (MPXD) as a worldwide public health issue. This study conducts a systematic review and meta-analysis to determine the overall case fatality rate (CFR) of MPXD worldwide during 1970-2022. The tenuretracked MPXD outbreaks associated with CFR were calculated based...

In this study, methanolic extracts from fresh ripening noni fruits (NFs) (Morinda citrifolia) were analyzed using GC-MS, FTIR, and XRD methods. Comprehensive assessments were studied by proximate analysis (PA), higher heat value (HHV), bulk density (BD) and swelling index (SI). The qualitative analysis of the ripening NFs extracts in various solven...

Abstract Human monkeypox (MPX), a multi-country re-emerging disease is rapidly spreading around the world. The etiological agent of this disease is a DNA virus namely the Monkeypox virus (MPXV), classified into three genetic types (West Africa, Congo Basin clade, and one new clade-3). Atypical or unusual symptoms as well as asymptomatic infection o...

In developing countries, acute respiratory infections (ARIs) cause a significant number of deaths among children. According to Bangladesh Demographic and Health Survey (BDHS), about 25% of the deaths in children under-five years are caused by ARI in Bangladesh every year. Low-income families frequently rely on wood, coal, and animal excrement for c...

The release of furfural as effluent from industries has been considered a major pollution source since it adversely affects health and the environment. In a proper nutrient condition, the indigenous microbial removal process is always considered efficient, economical, and eco-friendly. Thus, the main objective is to employ the effective indigenous...

Wastewater based epidemiology (WBE) is an important tool to fight against COVID-19 as it provides insights into the health status of the targeted population from a small single house to a large municipality in a cost-effective, rapid and non-invasive way. The implementation of wastewater based surveillance (WBS) could reduce the burden on the publi...

The emergence of an outbreak of Monkeypox disease (MPXD) is caused by a contagious zoonotic Monkeypox virus (MPXV) that has spread globally. Yet, there is no study investigating the effect of climatic changes on MPXV transmission. Thus, studies on the changing epidemiology, evolving nature of the virus, and ecological niche are highly paramount. De...

The present study was taken with a primary objective to estimate the groundwater quality and its suitability toward sustainable crop productivity in an agriculturally dominant semi-urban area. Elevated levels of nitrate have severe health impacts and affect the human health. Hence, health risks associated with the consumption of nitrate contaminate...

Special Issue titled Fate, transport of emerging pollutants of concern in soil and water resources with novel remediation methods and resource recovery (FTEPR-2022) Journal Title: Environmental Monitoring and Assessment (Impact Factor: 3.420) Editors: Prof. Dr. Bruce Wiersma Guest Editors: Dr. Saurabh Shukla, Ms. Ramsha Khan, Prof. Dr. Prosun Bh...

Fluoride () is one of the essential elements found in soil and water released from geogenic sources and several anthropogenic activities. Fluoride causes fluorosis, dental and skeletal growth problems, teeth mottling, and neurological damage due to prolonged consumption, affecting millions worldwide. Adsorption is an extensively implemented techniq...

In developing countries, acute respiratory infections (ARIs) cause a significant number of deaths among children. According to Bangladesh Demographic and Health Survey (BDHS), about 25% of the deaths in children under five years are caused by ARI in Bangladesh every year. Low-income families frequently rely on wood, coal, and animal excrement for c...

Wastewater-Based Epidemiological Monitoring (WBEM) is an efficient surveillance tool during the COVID-19 pandemic as it meets all requirements of a complete monitoring system including early warning, tracking the current trend, prevalence of the disease, detection of genetic diversity as well asthe up-surging SARS-CoV-2 new variants with mutations...

The paper studies the impact of socioeconomic factors on households' willingness-to-pay (WTP) for drinking water in Bihar, India. The data were collected from 420 households through a primary survey from two arsenic affected districts. A linear regression model was used to examine the causal relationship among various socioeconomic factors and thei...

Globally, arsenic (As) contamination is widespread in hydrological systems and the link between As enrichment and regional tectonic and climatic factors is still not well understood in orogenic environments. This work provides new insights on the relationship between As, tectonics, and climate by assessing the hydrogeochemistry of Chile, an active...

For decades, researchers in many disciplines have neglected the spatial aspects of data collected on geographical phenomena of interest during the analysis stage. This has been due to lack of computational capabilities and limitation in conventional methods. Consequently, insight gained in the data is not optimal. In this study, we present a novel...

Geogenic contamination of drinking water sources in the gold mining areas of Lake Victoria Basin in Tanzania is an emerging health risk of concern. Elevated concentrations of trace elements such as arsenic and mercury, has been associated with the mining activities which impaired the access to safe water for diverse human uses. In this study, we in...

Piezometer nests are used globally for characterising and monitoring various aquifers systems in various areas of groundwater based water supply systems. ASMITAS has been used to increase groundwater safety and hence a better decision making during the new tube well installation in Bangladesh. Integration of IOT based hydrogeological system with AS...

Worldwide regulatory agencies should (re)examine the consideration of: (i) sub-threshold responses, (ii) non-linear dose-response models able to detect sub-threshold responses of both a beneficial and detrimental nature, and (iii) abandoning the use of default dose-response models for their risk assessment. Mounting evidence for significant sub-thr...

Geogenic contamination of surface and groundwater is frequently associated in regions of gold mining worldwide and related to drinking water quality problems. In Tanzania, elevated levels of trace elements (TEs) have been reported in drinking water sources within the Lake Victoria Basin, posing a serious health risk to communities. The present stud...