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Total 18 results found since Jan 2013.
An appraisal of trace element concentration and environmental risk of sediments: a baseline study of sediments from Arasalar River Estuary, Tamil Nadu, India
Environ Sci Pollut Res Int. 2023 Aug 11. doi: 10.1007/s11356-023-28552-3. Online ahead of print.ABSTRACTA total of 21 surface sediment samples collected from Arasalar River are subjected to sediment texture (sand-silt-clay ratio), trace elements, organic matter, and CaCO3 studies to understand the accumulation dynamics of sediments. To assess the impact of metal pollution in estuarine sediments, the essential parameters should be done by checking the sediment characteristics, spatial distribution of heavy metal sources, sediment dynamics, and geochemical analysis. To evaluate the contamination level of metal pollution, a b...
Source: Environmental Science and Pollution Research International - August 10, 2023 Category: Environmental Health Authors: Venkatesan Selvaraj Parthasarathy Pandu Singarasubramanian Ramachandran Saradhambal Rajmohan Sankarappan Rajkumar Anandarao Source Type: research
Hidden hydrogen: Earth may hold vast stores of a renewable, carbon-free fuel
IN THE SHADE
of a mango tree, Mamadou Ngulo Konaré recounted the legendary event of his childhood. In 1987, well diggers had come to his village of Bourakébougou, Mali, to drill for water, but had given up on one dry borehole at a depth of 108 meters. “Meanwhile, wind was coming out of the hole,” Konaré told Denis Brière, a petrophysicist and vice president at Chapman Petroleum Engineering, in 2012. When one driller peered into the hole while smoking a cigarette, the wind exploded in his face.
“He didn’t die, but he was burned,” Konaré continued. “And now we had a huge fire. The color of the fire...
Source: ScienceNOW - February 16, 2023 Category: Science Source Type: news
A Study of Maternal and Umbilical Cord Blood Lead Levels in Pregnant Women
Indian J Clin Biochem. 2023 Jan;38(1):94-101. doi: 10.1007/s12291-022-01040-0. Epub 2022 Jun 22.ABSTRACTLead is a highly toxic element which can cross the placental barrier and enter the fetus during pregnancy. Parental lead exposure has adverse effect on infant as well as on maternal health. As part of our program to investigate the lead poisoning in human population we investigated the maternal blood lead levels (MBLL) and umbilical cord blood lead (UBLL) levels in 200 pregnant women and collected their socio-demographic details. In the study we found high lead levels in both maternal and umbilical cord blood samples. Th...
Source: Clinical Biochemistry - January 23, 2023 Category: Biochemistry Authors: Abbas Ali Mahdi Jamal Akhtar Ansari Priyanka Chaurasia Mohammad Kaleem Ahmad Shipra Kunwar Sally McClean Pratheepan Yogarajah Source Type: research
Cadmium (Cd) influences calcium (Ca) levels in the skeleton of a freshwater fish Channa gachua
Braz J Biol. 2022 Sep 26;84:e264336. doi: 10.1590/1519-6984.264336. eCollection 2022.ABSTRACTEnvironmental contamination with heavy metals is a threat to the organisms due to their toxicity, persistence and bioaccumulation in food chains. The study was aimed to assess cadmium (Cd) effect on calcium (Ca) level in bones of a freshwater fish Channa gachua. 42 fish individuals were kept into six (6) aquaria; labelled aq.0, 1, 2, 3,4 and 5 in the laboratory for treatment. Aq.0 was control group and aq.1, 2,3,4,5 were experimental with treatment solution of Cd 0, 0.1ppm, 0.5ppm, 1ppm, 2.5ppm and 5ppm respectively for three month...
Source: Braz J Biol - September 28, 2022 Category: Biology Authors: M Bilal H Ali H U Hassan S U Khan R Ghafar W Akram H Ahmad S Mushtaq H Jafari H Yaqoob M M Khan R Ullah T Arai Source Type: research
Breaking the myth of healthy food production in rural areas: cases studied in Vojvodina Province (Serbia)
Environ Sci Pollut Res Int. 2022 Aug 17. doi: 10.1007/s11356-022-22466-2. Online ahead of print.ABSTRACTThe aim of the present study was to analyze the chemical composition of parsley, parsnip, carrot, and celeriac cultivated at different localities (urban, or suburban/village). The concentrations of heavy metals (cadmium, nickel, chromium) and essential elements (potassium, sodium, calcium, phosphorus) in edible plant parts were determined. Human health risks associated with chronic consumption of potentially contaminated vegetables were assessed through the use of hazard quotients. The concentrations of heavy metals and ...
Source: Environmental Science and Pollution Research International - August 16, 2022 Category: Environmental Health Authors: Nata ša Nikolić Slobodanka Pajevi ć Danijela Arsenov Milan Bori šev Milan Župunski Source Type: research
Simulation of ground water quality for noyyal river basin of Coimbatore city, Tamilnadu using MODFLOW
This study revealed that in all the scenarios the center portion of study area is more affected i.e. from P·N.Palayam to Kalangal. The groundwater flow is moving towards and along the river flow. Hence the pollutants are moving easily from upstream to the downstream side. necessary measures has to be taken to control the groundwater contamination.PMID:35817183 | DOI:10.1016/j.chemosphere.2022.135649
Source: Chemosphere - July 11, 2022 Category: Chemistry Authors: M Lenin Sundar S Ragunath J Hemalatha S Vivek M Mohanraj V Sampathkumar A Mohammed Siraj Ansari V Parthiban S Manoj Source Type: research
