Chronic Manganese Neuro-Toxicity in a Patient With Cirrhosis and the Role of Iron-Deficiency Anaemia DOI Open Access

Jamal Jamal,

Muhammad Awais Hashmat,

Heba Alwan

et al.

Cureus, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 6, 2024

Patients with chronic liver disease (CLD) are prone to complications associated impaired functioning. This coupled iron-deficiency anaemia (IDA) can predispose them multiple comorbidities. We present an interesting case of a 69-year-old woman background history cirrhosis due metabolic dysfunction-associated steatotic (MASLD) frequent travels Bangladesh, southeast Asian country known for having high levels manganese (Mn) in water domestic use. She presented progressively worsening cognition and extrapyramidal symptoms. underwent routine blood tests including functions followed by non-contrast computed tomogram (CT) the head that did not suggest possible cause. However, magnetic resonance imaging (MRI) brain showed hyperintensities bilaterally globus pallidus, subthalamic nucleus, red substantia nigra raised possibility Mn toxicity. was confirmed repeated Mn. The query acute toxicity Mn, consideration CLD reduced elimination complicated further her IDA. Her discussed multi-disciplinary setting specialities radiology, gastroenterology, neurology, psychiatry, hepatology, elderly medicine. Following this, decision made best supportive management patient. highlights importance MRI detection rare toxicity, predisposed individual contributing cognitive decline

Language: Английский

Salinity-Induced Changes in Heavy Metal Behavior and Mobility in Semi-Arid Coastal Aquifers: A Comprehensive Review DOI Open Access
Rakesh Roshan Gantayat, Vetrimurugan Elumalai

Water, Journal Year: 2024, Volume and Issue: 16(7), P. 1052 - 1052

Published: April 5, 2024

Semi-arid coastal aquifers face critical challenges characterized by lower rainfall, higher evaporation rates, and looming risk of over-exploitation. These conditions, coupled with climate change, are conducive to seawater intrusion promote mechanisms associated it. The understanding metal behavior in such environments is limited, hence, an attempt made through this review bridge the knowledge gap. A study on trace metals within a specific context semi-arid was carried out, 11 from 6 different countries were included. observed that exhibit distinctive behaviors influenced their surrounding environment. prevalence continuous played pivotal role shaping dynamics curtailing groundwater flux. findings suggest formation stable Cl organic ligands under increased alkaline conditions (pH > 8) has control over Zn, Pb, Cd toxicity highly ionic reactive condition. In addition, dominant Fe/Mn-hydroxide association Pb high affinity Zn controlling its bioavailability as WFB, Saudi Arabia NW-C India. On contrary, prevailing acidic < 6), carbonate SO4-ligands become more dominant, bioavailability/desorption Cu irrespective origin. Ni found be controlled increasing salinity. An increase salinity considered shows Ni, except UmC, South Africa, where act sink for metal, even at low pH 5.5). This indicates factors mineral saturation, complexes, variations 8), chloride complexes govern distribution further enhanced prolonged water residence time. Nonetheless, reducing environment, could potentially elevate solubility toxic Cr (VI) released anthropogenic sources.

Language: Английский

Citations

6
Seasonal Variation of Fe, Mn, and Pb in Groundwater of Northwestern Bangladesh DOI Creative Commons

Md. Zahidul Islam,

M. G. Mostafa

Journal of Chemistry and Environment, Journal Year: 2024, Volume and Issue: unknown, P. 77 - 97

Published: March 14, 2024

Groundwater is one of the most significant natural resources on earth and also stands as largest source all-purpose water in Bangladesh. The higher concentrations iron (Fe), manganese (Mn), lead (Pb) constitute a threat to human health environment. research aimed assess seasonal variations heavy metal concentrations, including Fe, Mn, Pb, type controlling geochemistry groundwater. A total sixty groundwater samples were collected over year three seasons analyzed for several physicochemical parameters using standard analysis methods highest Pb investigated found be 3.69, 2.50, 0.17 mg/L, respectively. study observed that Fe Mn pre-monsoon but was post-monsoon. contaminations follows order > seasons, their abundance follow seasons: PRM POM MON. showed dominance Ca++, Mg++, HCO3-, indicating temporary hardness Ca-Mg-HCO3, hydrochemical facies, area. These findings would provide an in-depth understanding quality, potential risks health, coping mechanisms sustainable drinking management.

Language: Английский

Citations

4
Is the groundwater of Dhaka city, Bangladesh contaminated with naturally occurring potential toxic elements? DOI Creative Commons
Mahir Tajwar, Mahfuzur Rahman, Shamiha Shafinaz Shreya

et al.

Frontiers in Environmental Science, Journal Year: 2025, Volume and Issue: 12

Published: Jan. 6, 2025

This study investigates the contamination of groundwater in Dhaka City, Bangladesh, focusing on six potentially toxic elements, including As, Cu, Mn, Cr, Al, and B, due to their implications for public health as serves primary source drinking water region. 15 samples were taken into consideration was analyzed elements (As, B) using an Atomic Absorption Spectrophotometer (AAS). Arsenic (As) chromium (Cr) undetectable all samples. The average concentrations Copper (Cu), Aluminum (Al), Boron (B), Manganese (Mn) measured at 0.075 mg/L, 0.087 1.14 0.48 respectively. Among these, only one sample (S-05) exceeded WHO (2022) limits Boron, 10 surpassed Manganese. Pollution indices like MEI, NI, Cd used evaluate levels, revealing significant pollution multiple Metal evaluation index (MEI) values found between 0.39 17.97 with 6.71. Nemerow (NI) degree (C d ) sequentially be 4.35 5.71. In both cases, eight highly contaminated. observed hazard (HI) adults varied from 0.20 2.47, whereas children it ranged 0.32 3.93. All indicate exceed HI which indicates that are more susceptible than through oral exposure water. elevated manganese cause higher Cd, highlights a critical concern advocates need mitigation efforts ensure safe access. underscores urgent implementing stricter management policies interventions mitigate risks.

Language: Английский

Citations

0
Temporal hydrogeochemical evolution of surface water and groundwater in a karst system discharging into a continental-type Ramsar site in the Huasteca Potosina, Mexico DOI

Cynthia Del Carmen Cordova Molina,

Octavio Ortiz Enriquez,

Ma. Catalina Alfaro-De la Torre

et al.

Environmental Science and Pollution Research, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 22, 2025

Language: Английский

Citations

0
Size fractionation of montmorillonite colloids through saturated porous media and their heterogeneous contribution to the transport of Pb2+ DOI

Lulu Lu,

Xianghe Peng, Zhiwei Chen

et al.

Applied Clay Science, Journal Year: 2025, Volume and Issue: 271, P. 107808 - 107808

Published: April 1, 2025

Language: Английский

Citations

0
Scalable and cost-effective nanoscale zero-valent iron preparation by combining ball-milling and H2-reduction of micron Fe2O3: modulating crystal plane and reactivity DOI
Minjie Chen, C.P. Chen,

Qianhai Zhou

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 163190 - 163190

Published: April 1, 2025

Language: Английский

Citations

0
Improvement of Removal Rates for Iron and Manganese in Groundwater Using Dual-Media Filters Filled with Manganese-Oxide-Coated Sand and Ceramic in Nepal DOI Open Access

Ankit Man Shrestha,

Shinobu Kazama, Benyapa Sawangjang

et al.

Water, Journal Year: 2024, Volume and Issue: 16(17), P. 2450 - 2450

Published: Aug. 29, 2024

Iron and manganese in groundwater impair the quality of drinking water; however, rates iron removal with conventional aeration rapid sand filtration (RSF) processes vary extensively. Five full-scale aeration–RSF Nepal also showed varying efficiencies removal; while concentration was below national standard (0.30 mg/L) 31 out 37 treated waters, higher than (0.20 all waters. Re-aeration stirring water did not oxidize soluble manganese, this caused poor for manganese. Bench-scale dual-media filters comprising anthracite on top sand/ceramic layers dosages poly aluminum chloride chlorine worked well by removing coagulated layer then layers. A manganese-oxide-coated ceramic filter provided highest from 1.10 mg/L to <0.01 mg/L, followed quartz sand. Increasing pH 7.5 9.0 stabilized removal. Therefore, we propose a re-design present treatment selection suitable media better

Language: Английский

Citations

2
Spatiotemporal distribution and human health risks of potential toxic elements in the groundwater of the lower Tista Floodplain, Rangpur, Bangladesh DOI Creative Commons
Mir Md Tasnim Alam, Mahfuzur Rahman, Nazmus Sakib

et al.

Discover Water, Journal Year: 2024, Volume and Issue: 4(1)

Published: Dec. 27, 2024

This study assessed the extent of potential toxic element (PTE) contamination and its associated health risks in groundwater from Tista Floodplain, Rangpur, northern Bangladesh. A total 130 samples (65 wet season 65 dry season) were analyzed for six PTEs: As, Al, Cu, Mn, Cr, B using Atomic Absorption Spectrophotometry (AAS) VIS Spectrophotometry. The mean concentrations PTEs followed a decreasing order > Mn Cu Al As Cr season. Metal evaluation index degree indicated minor contamination, while Nemerow pollution showed moderate to severe especially Nilphamari district. Contamination levels higher compared No individual posed non-carcinogenic risks, but combined presented threats, particularly infants, with severity during dermal identified. Despite relatively low levels, monitoring policies new existing tubewells should be implemented ensure sustainable management long-term water quality.

Language: Английский

Citations

2
Synthesis of Aluminum Oxide Nanoparticle Adsorbents from Waste Aluminum Foil and Assesses Their Efficiency in Removing Lead (II) Ions from Water DOI Creative Commons
Md Aktaruzzaman, S. Salam, M. G. Mostafa

et al.

Tropical Aquatic and Soil Pollution, Journal Year: 2024, Volume and Issue: 4(2)

Published: Nov. 13, 2024

Aluminum oxide nanoparticles have recently been applied to water treatment as adsorbents by researchers. In this study, aluminum (AlONPs) were synthesized using scrap foil through a straightforward, inexpensive, and green approach, their performance in adsorbing lead (II) ions from an aqueous solution was assessed. The characterized Fourier Transform Infrared Spectroscopy (FTIR), X-ray Diffraction (XRD), Transmission Electron Microscopy (TEM), Scanning with Energy-Dispersive (SEM-EDX) analyze bonding nature, particle size, phase composition, surface morphology. They exhibited average size of 32.73 nm, consisting predominantly γ-Al2O3, small amounts α-Al2O3 minor unknown phase. adsorption efficiency evaluated under optimized parameters, including pH, contact time, doses both adsorbate adsorbent. results demonstrated that the AlONPs achieved 98% removal within 30 minutes time at pH 5.5. Additionally, Freundlich isotherm model (R² value 0.9972) pseudo-second-order kinetic (qe) 37.97 mg/g) shown fit process better than other models. Hence, offer potential nanoparticle for removing solutions.

Language: Английский

Citations

1
Assessments of hydrogeochemical characteristics, water quality, and health risk of groundwater of Chapi-Nawabganj District of Bangladesh DOI Creative Commons
Md Zahidul Islam, M. G. Mostafa

H2Open Journal, Journal Year: 2024, Volume and Issue: 7(6), P. 375 - 396

Published: Oct. 7, 2024

ABSTRACT A total of 60 groundwater samples were collected over three seasons, aiming to assess hydrochemical characteristics, water quality, pollution level, and health risk. The concentration Fe, Mn, Pb exceeded almost 100% in seasons. was found be highly contaminated with Cd Cr the pre-monsoon Ni monsoon. order major ion trace metal concentrations is as follows: Ca2+ &gt; Na+ Mg2+ K+; HCO3− Cl− SO42− NO3− PO43−, Fe Mn Ca-Mg-HCO3− type. study suggests that contamination sources are mostly geogenic well slightly anthropogenic. water–rock interactions dissolution calcite dolomite, along silicate weathering, which controls hydrochemistry groundwater. indices, including Water Quality Index (WQI), Canadian Council Ministers Environment (CCMEWQI), revealed quality area moderately polluted. Heavy Metal Pollution (HMPI) human risk assessment (HRA) illustrated a significant hazard, indicating it unsuitable for consumption suggesting treatment before drinking.

Language: Английский

Citations

0