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Metals, Heavy (55):
- Silver
- Lead
- Curium
- Thorium
- Ruthenium
- Mendelevium
- Lawrencium
- Indium
- Fermium
- Californium
- Rhodium
- Protactinium
- Iridium
- Gallium
- Einsteinium
- Cadmium
- Thallium
- Osmium
- Manganese
- Francium
- Antimony
- Tin
- Technetium
- Tantalum
- Radium
- Palladium
- Zirconium
- Zinc
- Uranium
- Plutonium
- Nobelium
- Nickel
- Molybdenum
- Gold
- Vanadium
- Rubidium
- Niobium
- Mercury
- Iron
- Rhenium
- Neptunium
- Barium
- Platinum
- Copper
- Tungsten
- Strontium
- Cesium
- Americium
- Actinium
- Hafnium
- Germanium
- Cobalt
- Chromium
- Bismuth
- Berkelium
Recent article
Metals, Heavy
Abstract
Oxidative stress disturbs organism's homeostasis and leads to excessive reactive oxygen species (ROS) production. Researchers are still focused on antioxidants that help to reduce oxidative stress level and are helpful in treatment of diseases were ROS overproduction is observed. Amo...
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PMID: 21991851
PDF is available here.
PDF is available here.
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Journal of Proteomics (74)8 2011
Abstract
Plant acclimation to stress is associated with profound changes in proteome composition. Since proteins are directly involved in plant stress response, proteomics studies can significantly contribute to unravel the possible relationships between protein abundance and plant stress acc...
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PMID: 21329772
PDF is available here.
PDF is available here.
Neuroscience Bulletin (27)2 2011
Abstract
To perform the modulation of an assay system for the sensory integration of 2 sensory stimuli that inhibit each other.
The assay system for assessing the integrative response to 2 reciprocally-inhibitory sensory stimuli was modulated by changing the metal ion barrier....
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PMID: 21441968
PDF is available here.
PDF is available here.
Chemosphere (82)3 2011
Abstract
Mapping the spatial distribution of contaminants in soils is the basis of pollution evaluation and risk control. Interpolation methods are extensively applied in the mapping processes to estimate the heavy metal concentrations at unsampled sites. The performances of interpolation methods (inverse di...
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PMID: 20970158
PDF is available here.
PDF is available here.
Environmental Geochemistry and Health (33 Suppl 1) 2011
Abstract
Waste Management (31)1 2011
Abstract
This review paper summarizes the existing knowledge on the chemical hazards associated with recycling and other end-of-life treatment options of waste electrical and electronic equipment (e-waste). The hazards arise from the presence of heavy metals (e.g., mercury, cadmium, lead, etc.), flame retard...
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PMID: 20869229
PDF is available here.
PDF is available here.
Abstract
Four bis-phenolate complexes [Zn(II)L], [Ni(II)L], [Cu(II)L] and [Co(II)L] (where [H(2)L = 2,2'-[2,2']bipyridinyl-6-yl-bis-4,6-di-tert-butylphenol] have been synthesized. The copper(II) and nickel(II) complexes have been characterized by X-ray diffraction, showing a metal ion within a square planar...
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PMID: 20820605
PDF is available here.
PDF is available here.
Abstract
Kinetics of heavy-metal ions sorption by alga Spirogyra sp. was evaluated experimentally in the laboratory, using both the static and the dynamic approach. The metal ions--Mn(2+), Cu(2+), Zn(2+) and Cd(2+)--were sorbed from aqueous solutions of their salts. The static experiments showed that the sor...
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PMID: 20435526
PDF is available here.
PDF is available here.
Abstract
Field experiments were conducted to evaluate the effect of fly ash on growth and yield of three locally grown cultivars of an important leguminous plant mung bean (Vigna radiata L.) on soil amended with different concentrations of fly ash. The values of pH, EC, WHC, soil cations, total heavy metals...
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PMID: 20696477
PDF is available here.
PDF is available here.
Abstract
The aim of the present work was to examine the inter-relationship between elements in human hair depending on gender. In the whole population, the following groups of correlated elements were identified: alkaline earth metals (Ba, Ca, Mg, Sr), major microelements (Cu, Mn, Si, Zn) and La, Ti. In the...
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PMID: 20870290
PDF is available here.
PDF is available here.
Abstract
Heavy metal content in soil and the most abundant indigenous plant species (Artemisia sieberi) in Sarcheshmeh area is investigated. Sequential extraction analysis is carried out and phytoavailable fractions of selected heavy metals are also determined. The results show that heavy metals in the study...
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PMID: 21069278
PDF is available here.
PDF is available here.
Abstract
Cadmium, copper, iron, and zinc levels were measured in the kidneys of 115 grey wolves (Canis lupus) from Idaho, Montana and Alaska (United States), and from the Northwest Territories (Canada). No significant differences in the levels of iron or copper were observed between locations, but wolf kidne...
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PMID: 20972865
PDF is available here.
PDF is available here.
Journal of Environmental Science and Health, Part A: Toxic/Hazardous Substances & Environmental Engineering (45)13 2010
Abstract
The levels of heavy metals in surface water and their potential origin (natural and anthropogenic) were respectively determined and analysed for the Obuasi mining area in Ghana. Using Hawth's tool an extension in ArcGIS 9.2 software, a total of 48 water sample points in Obuasi and its environs were...
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PMID: 20924925
PDF is available here.
PDF is available here.
Water Environment Research (82)11 2010
Abstract
The bioleaching process, including acidification and solubilization of heavy metals, is a promising method for removing heavy metals from industrial waste sludge. Solubilization of heavy metals in industrial waste sludge is governed by adding elemental sulfur. A sulfur concentration exceeding 0.5% (...
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PMID: 21141383
PDF is available here.
PDF is available here.
Biofouling (26)7 2010
Abstract
Bacterial attachment and growth on material surfaces are considered to be the primary steps leading to the formation of biofilm. Biofilms in hospital and food processing settings can result in bacterial infection and food contamination, respectively. Prevention of bacterial attachment, therefore, is...
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PMID: 20938849
PDF is available here.
PDF is available here.
Abstract
The alkaline comet assay has been employed for the first time to estimate the basal DNA damage in the digestive gland, gills, kidney and gonads of Octopus vulgaris. Octopuses were captured in two coastal areas adjacent to the cities of Matosinhos (N) and Olhão (S), Portugal. The area of Matosinhos...
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PMID: 20719386
PDF is available here.
PDF is available here.
Abstract
In situ experiments are an important tool within ecotoxicological research but there is a lack of suitable methodologies especially for freshwater invertebrate species. Within this study, a novel in situ methodology with Potamopyrgus antipodarum was developed. Snails were inserted into cages, made o...
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PMID: 20674024
PDF is available here.
PDF is available here.
Abstract
Our previous in situ study showed that bryophyte-microorganism complexes were affected by particulate atmospheric pollution. Here, the effect of urban particulate wet deposits on microbial communities living in bryophytes was studied under controlled conditions. An urban particulate solution was pre...
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PMID: 20674976
PDF is available here.
PDF is available here.
Abstract
The management of dredged sediments is a priority issue in the Mediterranean sea where sediments are historically polluted. The aims of this study were to evaluate the toxicity of port sediment samples and the effect of three mineral additives (hematite, zerovalent iron (ZVI) and natural zeolite (NZ...
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PMID: 20708265
PDF is available here.
PDF is available here.
Abstract
Down core variation of heavy metals in three sediment cores from Cochin estuary was studied. The average concentration of iron, manganese, nickel, copper, zinc, cadmium, lead and mercury in each slices of sediment was determined. Quality of the sediments were evaluated based on sediment quality guid...
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PMID: 20817297
PDF is available here.
PDF is available here.
Abstract
Studies of environmental pollution in Africa indicate that toxic metal pollution has reached unprecedented levels over the past decade. Human exposure to toxic metals has become a major health risk on the continent and is the subject of increasing attention from national and international environmen...
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PMID: 20519853
PDF is available here.
PDF is available here.
Abstract
The paper presents and analyses the results of a street sediments monitoring campaign carried out during dry weather in order to quantify the impact of mechanical street cleaning and rainfall events on the quantity and heavy metals load of street sediments. The study has been carried out in an exper...
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PMID: 21046955
PDF is available here.
PDF is available here.
Bioresource Technology (101)19 2010
Abstract
The main aim of this study was to separate heavy metals and yield crude bio-oil from a heavy metals hyperaccumulator harvest, Sedum plumbizincicola, through hydrothermal upgrading process. Parameters such as granularity, temperature, pressure, and duration were examined for their effect on the remov...
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PMID: 20578290
PDF is available here.
PDF is available here.
Abstract
We investigated the application of sludge waste obtained from a coal mine drainage treatment facility that treats acid mine drainage (designated as AMD) from metal-mine water. The coal mine drainage sludge (designated as CMDS), which contained 70% goethite and 30% calcite, was utilized as a sorption...
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PMID: 21046950
PDF is available here.
PDF is available here.
Abstract
We found wide variation in hepatic heavy metal and selenium concentrations among alligators. Length and sex did not show a strong relationship with any metal based on statistical analysis. However, cluster analysis revealed three groupings of alligators based on liver metal concentrations. Alligator...
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PMID: 20966273
PDF is available here.
PDF is available here.
Abstract
The concentrations of trace metals (Cd, Pb, Cu, Cr, Fe, Ni, Zn and Co) were studied in soil profiles of eight municipal waste dump sites in Warri metropolis. The results indicate that concentrations of trace metals varied widely among the different dumpsites and decreased with depths in a studied so...
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PMID: 20213483
PDF is available here.
PDF is available here.
Abstract
Chemical Communications (46)34 2010
Abstract
A highly enantioselective group 5 metal amide catalyst system is reported for the hydroaminoalkylation of secondary amines to give chiral amines in good yields with excellent ee values (up to 93%) by loading of 5% precatalyst.
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PMID: 20668747
PDF is available here.
PDF is available here.
Fitoterapia (81)6 2010
Abstract
The use of herbal drugs for the prevention and treatment of various health ailments has been in practice from time immemorial. Generally it is believed that the risk associated with herbal drugs is very less, but reports on serious reactions are indicating to the need for development of effective ma...
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PMID: 20156530
PDF is available here.
PDF is available here.
Journal of Environmental Science and Health, Part A: Toxic/Hazardous Substances & Environmental Engineering (45)11 2010
Abstract
We evaluated the effect of environmental, low-level exposure to heavy metals during pregnancy, as estimated by urine analysis, on birth size of the newborns. Spot urine samples were collected from unexposed 78 pregnant women in Tokyo during 2007 and 2008. The urinary concentrations of beryllium (Be)...
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PMID: 20694885
PDF is available here.
PDF is available here.
Abstract
To evaluate the biological preference of chiral drugs for molecular target DNA, new potential metal-based chemotherapeutic agents 1-3 (a-c) of late 3d-transition metals derived from l form, d form, and dl-tryptophan, respectively were synthesized and thoroughly characterized. Interaction studies of...
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PMID: 20537435
PDF is available here.
PDF is available here.
Abstract
The contents of heavy metals (Fe, Mn, Pb, Cu, Cd, and Hg) dissolved in water and suspended solids of Gökova Bay--partly and fully sampled in 2005 and 2006, respectively--are quite higher than the average values encountered in uncontaminated sea water. The high concentrations are associated with ter...
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PMID: 19565345
PDF is available here.
PDF is available here.
Applied Spectroscopy (64)8 2010
Abstract
I = 0.1 M (NaCl/NaClO(4)), room temperature, and trace metal concentrations in the range of pH 2 to 8 using ultraviolet-visible (UV-Vis) and time-resolved laser-induced fluorescence spectroscopy (TRLFS). While complexation leads to a significant luminescence enhancement in the emission spectrum of t...
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PMID: 20719058
PDF is available here.
PDF is available here.
Bioresource Technology (101)15 2010
Abstract
In this work, the influence of a low temperature (70-90 degrees C) thermal treatment on anaerobic digestion is studied. Not only the increase in biogas production is investigated, but attention is also paid to the solubilisation of the main organic (proteins, carbohydrates and volatile fatty acids)...
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PMID: 20335023
PDF is available here.
PDF is available here.
Bioresource Technology (101)15 2010
Abstract
Spent grain (SG) was functionalized with thioglycolic acid in N,N-dimethylformamide (DMF) medium using sodium bisulfate monohydrate (NaHSO(4).H(2)O) as a catalyst, followed by treatment with sodium sulfide nonahydrate (Na(2)S.9H(2)O). Characterization of thiol-functionalized spent grain (TFSG) was p...
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PMID: 20338755
PDF is available here.
PDF is available here.
Abstract
The results showed that the biomass of poplar (Populus canadensis Moench) was lower by 26.0% in the soil spiked with a mixture of Cd, Cu, and Zn, compared with the control. Concentrations of Cd in poplar leaf and Cu in poplar roots in the treated soil were 4.11 and 14.55 mg kg(-1), respectively, whi...
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PMID: 20340050
PDF is available here.
PDF is available here.
Abstract
We found that SOB biosensor can detect toxic chemicals, such as heavy metals and CN-, in the 5-2000ppb range. One bacterium was isolated from an SOB biosensor and the 16S rRNA gene of the bacterial strain has 99% and 96% sequence similarity to Acidithiobacillus sp. ORCS6 and Acidithiobacillus caldus...
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PMID: 20580751
PDF is available here.
PDF is available here.
Chemosphere (80)8 2010
Abstract
We performed two sets of experiments with sunflowers (Helianthusannuus L.) in hydroponic solution. In the first set of experiments, five IAA concentrations (0, 10(-12), 10(-11), 10(-10), 10(-9)M) were applied in combination with Pb (2.5 microM) or Zn (15 microM). In the second set of experiments we...
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PMID: 20537682
PDF is available here.
PDF is available here.
Abstract
We provide an update of the existing chelating agents and the various strategies available for the treatment of heavy metals and metalloid intoxications....
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PMID: 20717537
PDF is available here.
PDF is available here.
Abstract
Welding is a major industrial process used for joining metals. Occupational exposure to welding fumes is a serious occupational health problem all over the world. The degree of risk to welder's health from fumes depends on composition, concentration, and the length of exposure. The aim of this study...
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PMID: 20717553
PDF is available here.
PDF is available here.
Abstract
We investigated the effects of pollution caused by Askale-Erzurum cement factory (CF) on the stress parameters and diversity of aquatic plants. For this purpose, aquatic plant species were collected from the outer zone of the CF. Only three (Lemna minor, Ceratophyllum submersum and Potamogeton natan...
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PMID: 20430819
PDF is available here.
PDF is available here.
Abstract
The rate of changes of heavy metal ions concentrations in the organism or biological system will determine the choice of strategy of realization of heavy metal ions effect and, consequently, the biological effect itself. Which of the possible strategies will dominate, depend on the rate of changes o...
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PMID: 20929052
PDF is available here.
PDF is available here.
Abstract
Environmental pollutants have a significant impact on the ecosystem and disrupt balance between environment, human and non-human components that result in deleterious effects to all forms of life. Identifying environmental factors for potential imbalance are extremely crucial for devising strategies...
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PMID: 20929054
PDF is available here.
PDF is available here.
Abstract
These results suggest that neurotoxicity exerted by Al, Pb and Hg may be due to the interference of these metals with IP3 mediated calcium release and also interfering with the microsomal Ca2+ sequestration mechanism. Differential effects of heavy metal induced changes in Ca2+ flux can be used as an...
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PMID: 20929057
PDF is available here.
PDF is available here.
Consumer Reports (75)7 2010
Abstract
Homeopathy (99)3 2010
Abstract
Most tested products had very low metal/metalloid levels (below the limit of quantification of the method), but the metal/metalloid levels in the remaining products were in the following ranges (in microg g(-1)): Pb 0.33-1.29 (6 samples), Cd 2.78 (1 sample), As 0.22 (1 sample), Hg 0.02-0.12 (24 samp...
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PMID: 20674842
PDF is available here.
PDF is available here.
Journal of Fluorescence (20)4 2010
Abstract
Bacteria in acidophilic biofilm communities, i.e. acid streamers and snottites, obtained from a subsurface mine in Königstein were visualized by fluorescence microscopy using four new fluorescent dyes (DY-601XL, V07-04118, V07-04146, DY-613). The pH of the bulk solution in which these bacteria thri...
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PMID: 20386966
PDF is available here.
PDF is available here.
Abstract
Hussainsagar Lake in the heart of Hyderabad City (India) receives toxic substances through five streams draining from a catchment area of 245 km(2). Of particular interest are heavy metals received from urban runoff as well as municipal sewage and industrial effluents. Heavy metals entering the lake...
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PMID: 19472065
PDF is available here.
PDF is available here.
Abstract
The present investigation deals with the accumulation of heavy metals in fields contaminated with fly ash from a thermal power plant and subsequent uptake in different parts of naturally grown plants. Results revealed that in the contaminated site, the mean level of all the metals (Cd, Zn, Cr, Pb, C...
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PMID: 21186714
PDF is available here.
PDF is available here.
Abstract
We used the germination percentage, root length, weight gain and micronucleus (MN) frequency as indicators of cytotoxicity. Additionally to the cytological analysis, DNA analyses were performed in root tips meristems of Vicia faba seeds treated with refinery wastewater. Heavy metal concentrations in...
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PMID: 21186721
PDF is available here.
PDF is available here.
Abstract
In a laboratory study, Portland cement (15%, w/w) was used for solidification/stabilisation (S/S) of Cd, Pb, Zn, Cu, Ni and As contaminated soils from the former industrial site. Soils formed solid monoliths with cement. S/S effectiveness was assessed by measuring the mechanical strength of the mono...
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PMID: 20207479
PDF is available here.
PDF is available here.
Abstract
A series of zwitterionic hybrid polymers were prepared from the ring-opening polymerization of pyromellitic acid dianhydride (PMDA) and phenylaminomethyl trimethoxysilane (PAMTMS), and a subsequent sol-gel process. FTIR spectra confirmed the step products. TGA analysis showed that the thermal degrad...
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PMID: 20223587
PDF is available here.
PDF is available here.
Abstract
The few reuse and large stockpile of iron ore tailings (IOT) led to a series of social and environmental problems. This study investigated the possibility of using the IOT as one of starting materials to prepare lightweight ceramisite (LWC) by a high temperature sintering process. Coal fly ash (CFA)...
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PMID: 20227178
PDF is available here.
PDF is available here.
Abstract
We chose ZneB, the MFP component of the ZneCAB heavy-metal efflux system from Cupriavidus metallidurans CH34. ZneB is shown to be highly specific for Zn(2+) alone. The crystal structure of ZneB to 2.8 A resolution defines the basis for metal ion binding in the coordination site at a flexible interfa...
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PMID: 20534468
PDF is available here.
PDF is available here.
Science of the Total Environment (408)14 2010
Abstract
As the consumption of Puerh tea is booming because of its multiple health-promoting effects, the possible health risks resulting from long-term exposure to metals contained in this tea need to be evaluated. To assess the human risk associated with drinking Puerh tea, concentrations of aluminium, lea...
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PMID: 20413147
PDF is available here.
PDF is available here.
Science of the Total Environment (408)14 2010
Abstract
This study focused on the metal bioaccumulation of two aquatic insects (Ephoron virgo and Hydropsyche spp.) in order to evaluate the spatial distribution of metals, the interspecific differences between both filter-feeders and the bioaccumulation dynamics during E. virgo development stages. Hg, Cd,...
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PMID: 20394964
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (178)1-3 2010
Abstract
The study investigated the inhibitory effects of the heavy metals Cd, Pb, Hg, Ag and Cr (as Cr(3+) and Cr(6+)) on a nitrifying sludge. The aim was to assess the IC(50) concentrations leading to 50% inhibition. The method is based on respiration of nitrifying sludge in the presence of these metals. B...
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PMID: 20172650
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (178)1-3 2010
Abstract
An ultrasonically enhanced two-stage acid leaching process on extracting and recovering multiple heavy metals from actual electroplating sludge was studied in lab tests. It provided an effective technique for separation of valuable metals (Cu, Ni and Zn) from less valuable metals (Fe and Cr) in elec...
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PMID: 20197211
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (178)1-3 2010
Abstract
To assess the influence of soil washing with a chelator on the chemical immobilization of heavy metals, batch experiments were performed on the fine fraction of a contaminated soil under various operating conditions. Results show that pre-washing with EDTA facilitated the chemical immobilization of...
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PMID: 20176437
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (178)1-3 2010
Abstract
This work reports the effectiveness of sugar-beet pectin xerogels for the removal of heavy metals (cadmium, lead and copper) after multiple batch sorption-desorption cycles, with and without a gels regeneration step. Metals were recovered from xerogel beads without destroying their sorption capabili...
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PMID: 20122797
PDF is available here.
PDF is available here.