scholarly journals Relationship between concentrations of heavy metals in children’s scalp hair and the environment. A case study from Kifissos River in Attica, Greece.

2017 ◽  
Vol 19 (4) ◽  
pp. 592-600 ◽  
Keyword(s):  
Heavy Metals ◽  
Trace Elements ◽  
Trace Metals ◽  
Human Body ◽  
Hair Sample ◽  
Scalp Hair ◽  
Tree Leaves ◽  
Potential Threat ◽  
The North

In recent years children’s head hair is a biomarker frequently used for monitoring environmental exposure to heavy metals. Blood, plasma, urine and other tissues analysis were the most popular approaches to evaluate the concentrations of trace elements in human body. However, hair sample is easily collected, stored and readily analyzed. As (arsenic), Cd (cadmium), Hg (mercury), Ni (nickel) and Pb (lead) poses a potential threat to humans. The aim of the study is to link the concentrations of heavy metals in children’s scalp hair with the environmental pollution by presenting an overview of the measurements that have been done in 12-year-old children’s scalp hair living at the municipalities of Kifisia and Kryoneri, in relation with trace metals concentrations in the river water, air and tree leaves at the north zone of Kifissos River in Athens, Greece.

A Survey of Levels of Some Heavy Metals in Scalp Hair of Urban Dwellers: A Case Study

2007 ◽  
Vol 7 (3) ◽  
pp. 465-471 ◽  
Author(s):  
F.I. Eruyogho ◽  
J.M. Okuo ◽  
C.L. Ndiokwere
Keyword(s):  
Heavy Metals ◽  
Scalp Hair

scholarly journals Fine particulate matter in the tropical environment: monsoonal effects, source apportionment, and health risk assessment

2016 ◽  
Vol 16 (2) ◽  
pp. 597-617 ◽  
Author(s):  
M. F. Khan ◽  
M. T. Latif ◽  
W. H. Saw ◽  
N. Amil ◽  
M. S. M. Nadzir ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Trace Elements ◽  
Cancer Risk ◽  
Road Dust ◽  
Closure Model ◽  
North East ◽  
The North ◽  
South West ◽  
Us Epa ◽  
Pm2.5 Concentration

Abstract. The health implications of PM2.5 in the tropical region of Southeast Asia (SEA) are significant as PM2.5 can pose serious health concerns. PM2.5 concentration and sources here are strongly influenced by changes in the monsoon regime from the south-west quadrant to the north-east quadrant in the region. In this work, PM2.5 samples were collected at a semi-urban area using a high-volume air sampler at different seasons on 24 h basis. Analysis of trace elements and water-soluble ions was performed using inductively coupled plasma mass spectroscopy (ICP-MS) and ion chromatography (IC), respectively. Apportionment analysis of PM2.5 was carried out using the United States Environmental Protection Agency (US EPA) positive matrix factorization (PMF) 5.0 and a mass closure model. We quantitatively characterized the health risks posed to human populations through the inhalation of selected heavy metals in PM2.5. 48 % of the samples collected exceeded the World Health Organization (WHO) 24 h PM2.5 guideline but only 19 % of the samples exceeded 24 h US EPA National Ambient Air Quality Standard (NAAQS). The PM2.5 concentration was slightly higher during the north-east monsoon compared to south-west monsoon. The main trace metals identified were As, Pb, Cd, Ni, Mn, V, and Cr while the main ions were SO42−, NO3−, NH4+, and Na. The mass closure model identified four major sources of PM2.5 that account for 55 % of total mass balance. The four sources are mineral matter (MIN) (35 %), secondary inorganic aerosol (SIA) (11 %), sea salt (SS) (7 %), and trace elements (TE) (2 %). PMF 5.0 elucidated five potential sources: motor vehicle emissions coupled with biomass burning (31 %) were the most dominant, followed by marine/sulfate aerosol (20 %), coal burning (19 %), nitrate aerosol (17 %), and mineral/road dust (13 %). The hazard quotient (HQ) for four selected metals (Pb, As, Cd, and Ni) in PM2.5 mass was highest in PM2.5 mass from the coal burning source and least in PM2.5 mass originating from the mineral/road dust source. The main carcinogenic heavy metal of concern to health at the current location was As; the other heavy metals (Ni, Pb, and Cd) did not pose a significant cancer risk in PM2.5 mass concentration. Overall, the associated lifetime cancer risk posed by the exposure of hazardous metals in PM2.5 is 3–4 per 1 000 000 people at this location.

scholarly journals Bee Pollen – Nutritional and Toxicological Aspects

2019 ◽  
Vol 1 (4) ◽  
pp. 41-47
Author(s):  
Katarína Fatrcová-Šramková ◽  
Janka Nôžková
Keyword(s):  
Heavy Metals ◽  
Trace Elements ◽  
Dietary Supplements ◽  
Human Health ◽  
Dietary Supplement ◽  
Human Body ◽  
Polyphenolic Compounds ◽  
Nutritional Elements ◽  
Enrich Food ◽  
Important Amount

Pollen contains nutritional elements – carbohydrates, proteins, lipids, vitamins, minerals, trace elements. The pollen contains also important amount of polyphenolic compounds, primarily antioxidants. Because the pollen is rich in nutrients, honeybee-collected pollen is recommended as a dietary supplement. The product can be used as dietary supplements to enrich food with valuable nutrients performing important functions in the human body. Pollen is a bee product affected by contaminants of various origins. In addition to important nutrients, it may also contain heavy metals that are harmful to human health. May be contaminated from air and soil by heavy metals and pesticides.

scholarly journals Assessment, Distribution and Regional Geochemical Baseline of Heavy Metals in Soils of Densely Populated Area: A Case Study

2020 ◽  
Vol 17 (7) ◽  
pp. 2269
Author(s):  
Song Chen ◽  
Cancan Wu ◽  
Shenshen Hong ◽  
Qianqian Chen
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Spatial Differentiation ◽  
Principal Component ◽  
Geochemical Baseline ◽  
Metal Elements ◽  
The North ◽  
Accumulation Index ◽  
Heavy Metal Elements

To understand the content, pollution, distribution and source and to establish a geochemical baseline of heavy metal elements in soil under the influence of high-density population, the concentrations of heavy metal elements Cr, Mn, Co, Ni, Cu, Zn, As, Cd, Hg, Pb and Fe were determined in 23 soil samples in Suzhou University, and geo-accumulation index, enrichment factor, principal component analysis, spatial analysis and regression analysis were completed. The results showed the following: The elements Cu and As were slightly polluted, while the other heavy metal elements were not. The elements Cd, Cu, Ni and As in soils were mainly caused by agricultural activities of chemical fertilizer, whereas the elements Zn and Hg were impacted by the chemicals and batteries. The heavy metal elements in the north were lower than in the south of the campus, as a whole. The enrichment of elements Cu, As and Cd was caused by the east–west river on the campus, and the enrichment of the elements Mn, Ni and Zn was induced by the reservoir. Biochemical experiments and vehicle parking influenced the spatial enrichment of Cr, Co and Pb, while domestic waste led to the spatial differentiation of Hg concentrations. The regression curve between heavy metal elements and Fe was established, and the background values of the heavy metals Cr, Mn, Co, Ni, Cu, Zn, As, Cd, Hg and Pb are 50.90, 489.37, 11.76, 37.74, 55.70, 58.22, 20.07, 0.09, 0.08 and 24.13 mg/kg, respectively.

scholarly journals Trace Metal Flux in Water of Buriganga River: A GIS Approach

2012 ◽  
Vol 47 (1) ◽  
pp. 9-18 ◽  
Author(s):  
M. Moniruzzaman ◽  
B. Saha ◽  
M. S. Shahariar
Keyword(s):  
Heavy Metals ◽  
Drinking Water ◽  
Trace Metals ◽  
Water Samples ◽  
Permissible Limit ◽  
Sampling Points ◽  
Heavy Metals Contamination ◽  
Metal Flux ◽  
Buriganga River

The objective of the study was to explore the seasonal variations in the water of Buriganga River with respect to heavy metals contamination. Water samples were collected six times with an interval of two months starting from June 2010 to April 2011. Collection of samples started at the point of 90o20´12"E and 23o46´25"N, continued towards downstream at an interval of 1 km upto 26 km by using GPS and ended at the point of 90o27'36"E and 23o37'50"N. The spatial database of the collected water samples were built with ARCGIS 9.3.1 as the platform of case study of Buriganga River. Six trace metals viz. cadmium (Cd), iron (Fe), zinc (Zn), chromium (Cr), copper (Cu) and lead (Pb) were analyzed for water from each sampling points to examine the level of contamination whether it exceed or within the permissible limit. The concentrations of trace metals in water samples were determined using atomic absorption spectrophotometer. The concentration range of these trace metals were found 0 to 0.01 mg/L for Cd, 0.46 to 1.19 mg/L for Fe, 0 to 0.38 mg/L for Zn, 0 to 0.074 mg/L for Cu, 0 to 0.098 mg/L for Cr and 0 to 0.074 mg/L for Pb. The study suggested that, concentration of Fe, Cr and Cd in river water were increased during dry season and in some points near Hazaribagh, Zinzira and Sadarghat it crossed the maximum permissible limit for drinking water purposes and irrigation water supply.DOI: http://dx.doi.org/10.3329/bjsir.v47i1.10712 Bangladesh J. Sci. Ind. Res. 47(1), 9-18, 2012 

scholarly journals Ecological assessment of heavy metal pollution of groundwater in Kyiv region

2021 ◽  
pp. 88-97
Author(s):  
I. Shumigay ◽  
O. Yermishev ◽  
N. Маnіshеvskа
Keyword(s):  
Heavy Metals ◽  
Trace Elements ◽  
Drinking Water ◽  
Human Body ◽  
Total Concentration ◽  
Environmental Pollutants ◽  
Zinc Content ◽  
Chemical Pollution ◽  
Long Term Effects ◽  
Human Environment

In recent years, as a result of intense anthropogenic impact, the composition of groundwater has changed markedly. Despite the relatively high protection of groundwater from pollution, the content of pollutants is detected in significant quantities. One of the priority groups of chemical pollution is heavy metals, which belong to an important group of environmental pollutants. Depending on the forms of being in the water, they differ in their chemical and biological activity. Currently, determining the quality of groundwater, identification of trace elements is a topical issue. This article presents the results of research on the content of trace elements in groundwater. Analysis of the content of heavy metals in the wells of Kyiv region during 2020 shows that a significant excess of water pollution by heavy metals is not observed. Taking into account the current MPC, a small excess of iron and zinc content was noted in Volodarskyi district. Heavy metals are known to have mutagenic, toxic effects and affect the intensity of biochemical processes. But the toxicity of trace elements is determined not by their total concentration in water, but by the forms of finding. Therefore, the presence of VM in drinking water samples is highly undesirable, as there will be a constant supply of chronic doses to the human body. As a result, it became necessary to calculate the total pollution of heavy metals, groundwater samples in Kyiv region. In addition, the ecological state of the environment is directly related to changes in the internal human environment. It is the deficiency or excess of certain microelements in drinking water or non-observance of its stable chemical composition in certain areas that from time to time outbreaks of diseases, the cause of which is difficult to establish. Heavy metals that can be found in drinking water are very harmful to human health. The most dangerous Cd, Pb, because on the one hand their man-made accumulation in the environment is quite high, and on the other — these elements have a significant affinity for physiologically important organic compounds and can inhibit the most important metabolic processes, inhibit growth and development. Their long-term effects on the human body can lead to the development of cancer, damage to organs, the nervous system, and in extreme cases, to death, as noted in the publication.

Trend analysis of the published concentrations of heavy metals in aerosols above the North Sea and the English Channel for the period 1971-1994

1999 ◽  
Vol 7 (4) ◽  
pp. 191-202
Author(s):  
Stefaan Hoornaert ◽  
Boris Treiger ◽  
René Van Grieken ◽  
Remi Laane
Keyword(s):  
Heavy Metals ◽  
Trace Metals ◽  
Literature Review ◽  
Trend Analysis ◽  
North Sea ◽  
English Channel ◽  
Southern Bight ◽  
The North ◽  
The North Sea ◽  
Marine Areas

A literature review is given of atmospheric trace metal concentrations in aerosols above the North Sea and the English Channel over the period 1971-1994. Literature data have been gathered and intercompared to look for possible trends in the reported concentrations. Six trace metals are considered: Cd, Cu, Pb, Zn, Ni, and Cr. A distinction is made between measurements in different regions of the North Sea, and between coastal and marine areas. The majority of the data deals with the Southern Bight, providing the most reliable trends. Strong decreasing trends are observed for the Pb and Zn concentrations above the North Sea during the years 1971-1994. For Cd, Cu, Ni, and Cr, much less data are available in the literature. Despite this, also for Cd and Cu a decreasing trend is present. Cr and Ni concentrations are fluctuating, mostly without a certain pattern. The trends in the concentrations are also compared to changes in the European emission profiles. Key words: heavy metals, aerosols, North Sea, trend analysis, literature.

scholarly journals Development of viticulture in the north-eastern forest-steppe region of Ukraine through the prism of the ecological approach

2020 ◽  
Keyword(s):  
Heavy Metals ◽  
Human Body ◽  
Crop Productivity ◽  
Forest Steppe ◽  
Grape Seeds ◽  
Ecological Value ◽  
The North ◽  
North Eastern ◽  
Long Time ◽  
Environmentally Safe

The purpose of this article is to determine ecological aspects of grapes quality grown on a private plot in the village of Vysokyi, Kharkiv district, Kharkiv region. Main material. The article analyzes the issues of safe and ecological cultivation of grapes in the North-Eastern foreststeppe region of Ukraine as one of the most important indicators for successful and rational cultivation of grapes. This thus ensures crop productivity, drawing a???? ention to the need to intensify research and practical activities for grapes cultivation. The study of viticulture’s optimization shows that it is necessary to have a clear and complete picture of the ecological potential of the territory to increase the productivity of plantations. For this reason a comprehensive method of studying grapes and related plants is required. Useful properties of such a valuable crop as grapes will be manifested if it is environmentally safe for the human body. It should be added that the ecological value of grapes as a crop is due to the fact that it does not deplete the soil and does not suppress other plants. Proper farming techniques, when cultivating soils, do not lead to their signifi cant erosion. Grapes can also be used on soils that are less suitable for other crops in terms of their mechanical and organic composition. All this is complemented by the fact that grape plantations can exist in specifi c areas for a long time without negative manifestations. Grapes are a unique product in their composition and, therefore - extremely useful. The quality of plants is an urgent problem for specialists in various fi elds of research from soil scientists to nutritionists. People have been studying plants for a long time, solving various problems. Conclusions. 10 diff erent varieties of grapes (and grape seeds) have been analysed in the course of study as well as soil samples from the area of cultivation to determine the concentration of heavy metals (Zn, Cu, Cd, Cr, Pb) and nitrates. It has been determined that concentrations of heavy metals do not exceed the normative indicators in berries and stones in any of the grape varieties. An important task is to analyse in detail the suitability of the territory of Kharkiv region for growing grapes in the natural environment. Beneficial properties of grapes will be manifested if they are environmentally safe for the human body.

Using plane tree leaves for biomonitoring of dust borne heavy metals: A case study from Isfahan, Central Iran

2015 ◽  
Vol 57 ◽  
pp. 64-73 ◽  
Author(s):  
Samira Norouzi ◽  
Hossein Khademi ◽  
Angel Faz Cano ◽  
Jose A. Acosta
Keyword(s):  
Heavy Metals ◽  
Central Iran ◽  
Tree Leaves ◽  
Plane Tree
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