• We found dramatic changes in trace element tissue concentrations between the high p CO 2 /high trace element and control sites, with strong accumulation of iron, lead, copper and cobalt, but decreased concentrations of cadmium, zinc and arsenic proximate to the vent. (peerj.com)
  • At both sites iron was found primarily in the algae, whereas cadmium, zinc and arsenic were primarily found in the animal tissue. (peerj.com)
  • In some species, the concentrations of arsenic, cadmium, and lead exceeded limit values for application in food or feed. (scirp.org)
  • This study assesses the impact of the farming system on the levels of copper, zinc, arsenic, cadmium, lead and mercury in pig tissues from three types of production (Organic (n = 28), Label Rouge (n = 12) and Conventional (n = 30)) randomly sampled in different slaughterhouses. (inrae.fr)
  • The variations in pH values measured in the muscle of P. merguiensis in different storage conditions showed a similar trend with metallothionein, Zn and Cu. In contrast, it appears that cadmium is transported from muscle to the other tissues. (unboundmedicine.com)
  • Exoskeleton is probably one of the recipient tissues of cadmium. (unboundmedicine.com)
  • Spike recovery experiments were performed for the essential elements chromium (Cr), iron (Fe), cobalt (Co), nickel (Ni), copper (Cu), and zinc (Zn), and the toxic elements arsenic (As), cadmium (Cd), and lead (Pb) at levels equal to and in excess of native concentrations in control placenta tissue. (rti.org)
  • Zinc is an essential trace element commonly found in red meat, poultry, and fish. (medlineplus.gov)
  • Zinc is an essential trace element that plays a vital role in many biological processes including growth and development, immunity, and metabolism. (hindawi.com)
  • Zinc has "mimetic" activity where it is involved in a range of functions including insulin receptor signal transduction, insulin storage, secretion and tissues/organelle distribution, and inhibition of protein tyrosine phosphatases [ 5 - 8 ]. (hindawi.com)
  • In insulin-dependent peripheral tissues such as skeletal muscle, adipose, and liver, zinc ions play a role in insulin-induced glucose transport and glycemic control [ 9 - 16 ]. (hindawi.com)
  • Thus, the proteins that transport zinc likely facilitate cell signaling processes that contribute to glycemic control in peripheral tissues by modulating cytosolic zinc concentrations. (hindawi.com)
  • For example, aberrant subcellular signaling of zinc concentrations in the cytosol and organelles may contribute to insulin responsiveness [ 17 ] and thus promote insulin resistance. (hindawi.com)
  • Zinc is a trace element that is critically important for the growth and development of microorganisms, plants, and animals [ 18 ]. (hindawi.com)
  • In humans, zinc is found in all body tissues and secretions contributing to approximately 2-4 g of total zinc in the adult body [ 18 , 19 ] and is therefore the most abundant trace metal in tissue next to iron of which there is approximately 4 g localized mostly in blood [ 15 ]. (hindawi.com)
  • In tissues, zinc concentration is highest in the prostate (approximately 200 μ g/g), then pancreas (approximately 140 μ g/g), and muscle (approximately 50 μ g/g), while in plasma there is approximately 14-16 μ M of total zinc that is distributed to cells [ 19 ]. (hindawi.com)
  • At the cellular level, total zinc concentrations of human cells are 200-300 μ M [ 20 ]. (hindawi.com)
  • Given the low plasma concentration of zinc and its importance in cellular signaling, it is essential that the availability and distribution of "free" zinc (free zinc is used to differentiate zinc involved in cell signaling from zinc that tightly bound to protein and therefore thermodynamically unavailable) are tightly controlled [ 6 ]. (hindawi.com)
  • Trace elements can play an important role in maternal health and fetal development, and deficiencies in some essential minerals including zinc and copper have been correlated in some individuals to the development of birth defects and adverse health outcomes later in life. (rti.org)
  • In particular, some peculiar trace elements (such as strontium and zinc) are considered indicators of the so-called paleodiet, i.e. whether characterized by vegetables, cereals or meat. (icomos.org)
  • Preliminary data indicate significantly higher trace or major element concentrations in peripheral lung among 7 individuals with high self-reported WTC exposure compared to 17 with lower self-reported exposures for Pb (median=0.31 vs. 0.14, p=0.03) and Al (34.0 high vs. 11.8 low, p=0.04. (cdc.gov)
  • We will explore whether trace and major element concentrations in tissues, coupled with interview data, can provide more accurate estimates of WTC exposures than interview data alone. (cdc.gov)
  • Trace and major element concentrations in cadaveric lung tissues from World Trade Center Health Registry decedents and community controls. (cdc.gov)
  • A recent study conducted on Cassiopea xamachana found that they are capable of accumulating trace elements above ambient seawater concentrations and that it is also possible to discriminate different geographical populations based on chemical signatures in their tissues. (lamar.edu)
  • The CO 2 vent found at Levante Bay (Vulcano, NE Sicily, Italy) also releases high concentrations of trace elements to its surrounding seawater, and is therefore a unique site to examine the effects of long-term exposure of nearby organisms to high p CO 2 and trace element enrichment in situ . (peerj.com)
  • The natural seawater concentration of all iodine species combined is approximately 0.06 ppm, classifying it as a minor element. (aquaticwarehouse.com)
  • In natural seawater, arsenic occurs at 3 μg/l, suggesting evolutionary adaptation of marine organisms to higher arsenic concentrations. (oceamo.com)
  • Barium occurs in seawater in low concentrations of about 13 μg/l. (oceamo.com)
  • Typical concentration in seawater is 0.05 μg/l. (oceamo.com)
  • Chromium occurs in seawater in a very low concentration of 0.5 μg/l. (oceamo.com)
  • Accumulation of metals in autopsy tissues of subjects living in Tarragona county, Spain. (besjournal.com)
  • In general, there were highly significant differences among the storage conditions from accumulation the selected trace elements and metallothionein in both species point of view, but in most cases, no significant differences could be observed among the fresh, refrigerated and frozen specimens of P. semisulcatus. (unboundmedicine.com)
  • In regards to Zn and Cu accumulation in edible (muscle) tissues of P. merguiensis, optimum conditions for frozen storage is -30 degrees C as ice-frozen, and in terms of short-term storage, 1-day refrigeration is recommended. (unboundmedicine.com)
  • Although toxicity associated with gold therapy may be related to gold accumulation in the tissues, there is no apparent relationship between serum or urinary gold concentrations and the onset of toxicity. (sas-centre.org)
  • The results showed that the accumulation of trace element was different depending on the site and the organ. (uco.fr)
  • During the third and fourth growing seasons, higher concentration of metals in the roots and a limited transfer of metals from the roots to the shoots were observed in all the plants studied. (mdpi.com)
  • In the first two articles in this series, I discussed some of the dissolved components, mostly trace metals, found in the water from a survey of 23 marine reef aquaria. (reefkeeping.com)
  • Plants can accumulate trace elements, especially heavy metals, in or on their tissues due to their great ability to adapt to variable chemical properties of the environment. (scialert.net)
  • In excess, these trace metals may cause adverse biological effects in marine organisms ( Dallinger & Rainbow, 1993 ), and moreover, in combination with OA these effects may be exacerbated ( Lewis, Clemow & Holt, 2013 ). (peerj.com)
  • Variation of trace metals in ancient and contemporary Japanese bones. (besjournal.com)
  • The concentrations of metals in the tissues were measured using an Inductively Coupled Plasma-Atomic Emission Spectrophotometer (ICP-AES) and an ICP-Mass Spectrometer (ICP-MS). Metallothionein levels were determined using Differential pulse polarography. (unboundmedicine.com)
  • The exact etiology of conditions like preeclampsia and the effects of fetal exposure to toxic metals has not been determined, making the assessment of trace element levels crucial to the elucidation of the causes of conditions like preeclampsia. (rti.org)
  • The transition metals Fe 2+ and Mn 2+ are essential trace elements in all kingdoms of life. (nature.com)
  • The results were compared with those found in the literature and a critical discussion on the use of trace metals in this case study is given. (icomos.org)
  • however, it can be toxic at higher concentrations just like other heavy metals. (oceamo.com)
  • We can safely detect elevated concentrations of arsenic (from 3 μg/l) using the ICP-OES method in the Oceamo laboratory. (oceamo.com)
  • This study was conducted in summer and winter seasons of the years 2000 and 2001 to assess the bioaccumulation of trace elements by different plant species grown on potentially contaminated soils of NWFP, Pakistan. (scialert.net)
  • [10] investigated the comparative growth and Cd (II), Pb (II)and Cu (II)ions bioaccumulation properties of Rhizopus arrhizus as a function of initial pH, temperature and initial metal ion concentrations. (scialert.net)
  • Furthermore, the lowest bioaccumulation was recorded in the muscles until the 56th day of the exposure, after which the concentration steadily increased in the muscles. (scielo.br)
  • chronic exposure could result in its bioaccumulation at toxic concentrations in the muscles, which is particularly of concern because the fish muscles are heavily consumed as food worldwide. (scielo.br)
  • Associations of major and trace elements in lung tissues with world trade center exposures and subsequent respiratory symptoms. (cdc.gov)
  • Our findings, through mid-June 2014, are that unusual trace and major elements were present in autopsy tissues among individuals who died in 2008-2009 and that concentrations of these elements appear to be correlated with interview-based estimates of WTC exposure. (cdc.gov)
  • Aluminum is a trivalent cation found in its ionic form in most kinds of animal and plant tissues and in natural waters everywhere. (medscape.com)
  • Trace elements entering plant tissues are active in metabolic processes, but also can be stored as inactive compounds in cells and on the membranes. (scialert.net)
  • Concentrations of 34 elements are being measured by inductively-coupled plasma mass spectrometry. (cdc.gov)
  • This study was conducted to determine the concentrations of trace elements (Zn, Cu, Fe, Mn, Cd, Cr, Ni and Pb) in different plant species grown on potentially contaminated soils of Amangarh Industrial Area and Pirsabak, Nowshehra, in NWFP. (scialert.net)
  • This study investigates the distribution of three trace elements (Cd, Cu and Zn) in tissues (exoskeleton, abdominal muscle and hepatopancreas) of two shrimp species (Penaeus merguiensis and Penaeus semisulcatus). (unboundmedicine.com)
  • Significant differences were found between the species in the case of Cd and Zn concentrations. (unboundmedicine.com)
  • Highly significant size-related differences were found in the levels of Cd, Cu and metallothionein in the selected tissues of the shrimp species. (unboundmedicine.com)
  • Generally, the highest lead concentration was observed in the gills and lowest in the muscles for both species at each experimental dosage and duration. (scielo.br)
  • Selenomethionine (SeMet) is an organic form of selenium (Se), an essential trace element that functions in the regulation of the immune response by both bolstering the endogenous thioredoxin and glutathione antioxidant defence systems and by directly scavenging damaging oxidant species. (greenmedinfo.com)
  • The study revealed that the contents of the majority of elements in the soft tissues of both species were higher than those in the shells. (scirp.org)
  • Both alien species, and especially Pacific oysters, may serve as reliable biomonitors for trace elements in marine ecosystems. (scirp.org)
  • Both species are rich in essential elements and provide nutritionally-valuable seafoods. (scirp.org)
  • Eutrophication, caused by high concentrations of nutrients, is degrading streams ( p. 17 , 18 ). (usgs.gov)
  • After comparing these data with the composition of the artificial salt mixes as reported in the literature (Atkinson and Bingman, 1999), it is apparent that some of the odd, and relatively very high, concentrations are due to the initial mixtures of the artificial sea water that we use in our systems. (reefkeeping.com)
  • The primary function of iron is to deliver oxygen from the lungs to the body tissues while also providing energy. (superkidsnutrition.com)
  • Toxic effects depend on the amount of metal ingested, entry rate, tissue distribution, concentration achieved, and excretion rate. (medscape.com)
  • Lead adherence and ingestion trials demonstrated that the Cu fertiliser can adhere to herbage and when ingested by sheep at 10 g/day does increase plasma Cu concentrations without any known deleterious or toxic effects on the animal. (gla.ac.uk)
  • It can be assumed that significantly increased concentrations may be toxic, whereby the tolerance varies greatly between different organisms. (oceamo.com)
  • However, concentrations of trace elements are not elevated above naturally occurring levels in soils. (usgs.gov)
  • Thus plants are intermediate reservoirs through which trace elements from soils and partly from waters and air, move to man and animals. (scialert.net)
  • Glasshouse pot trials showed that lowering the soil pH caused significant increases in herbage Cu concentrations of supplemented soils. (gla.ac.uk)
  • While the total ban on lead gunshot in Denmark was associated with a substantial reduction in lead concentrations in muscle tissue of small game animals, this does not appear to have been the case for partial (wetland or waterfowl) regulations, or voluntary bans. (researchgate.net)
  • While some countries had partial bans in place when mean muscle tissue lead concentrations were reported, they were not lower than those from countries with no ban (Fig. 4). (researchgate.net)
  • Comparison between the mean concentrations of the elements in muscle tissue and existing guidelines indicate that in nearly all cases, the concentrations were well below permissible levels for human consumption. (unboundmedicine.com)
  • Finally, iron is necessary to form myoglobin-a type of protein that carries and stores oxygen in the muscle tissue. (superkidsnutrition.com)
  • Biomarker assays were performed to compare the responses in several tissues (digestive glands, gonads, gills) to inorganic pollutants. (uco.fr)
  • Mts concentrations were greater in digestive gland compared with gills. (uco.fr)
  • Results indicated that microbial growth and metal ion uptake of R. arrhizus were significantly affected by initial metal ion concentrations. (scialert.net)
  • A significant positive relationship was observed between the concentrations of Zn and metallothionein in P. semisulcatus, whereas in P. merguiensis, Cd concentrations decreased significantly with increasing metallothionein. (unboundmedicine.com)
  • 2005), delivery are accounted for, trends and magnitude of the cellular dose little attention has been devoted to a critical examination of their as a function of particle size and density differ significantly from those implied by ``concentration'' doses. (cdc.gov)
  • Were trace elements from WTC-contaminants released on 9/11/2001 still present in tissues of World Trade Center Health Registry enrollees who died and were autopsied in 2007-2012? (cdc.gov)
  • In pursuit of this goal, we are measuring trace and major elements in tissues obtained from individuals enrolled in the World Trade Center Health Registry (WTCHR) who died and were autopsied in 2007-2012. (cdc.gov)
  • The colors are reflected from algae living within its tissues. (lamar.edu)
  • Rather than examining whole anemone tissue, we analyzed two different body compartments-the pedal disc and the tentacles, and also examined the distribution of trace elements in the tentacles between the animal and the symbiotic algae. (peerj.com)
  • However, as a result of fertilizer use leveling off since 1985, nitrate concentrations may be beginning to level off in some areas. (usgs.gov)
  • 6] L.A. Beck, Bivariate analysis of trace elements in bone, Journal of Human Evolution, 14 (1985) 493-502. (icomos.org)
  • Moreover, eroded soil particles carry pesticides that accumulate in streambeds and also in fish tissue. (usgs.gov)
  • Some plants accumulate salts in their tissues or excrete them near their roots. (co.ke)
  • Principal component analysis indicated a correlation between Cu and As concentrations in liver and carcass weight, and between Zn and Cd liver levels and lean meat percentage. (inrae.fr)
  • Tissue analysis from dead ewes in the second year of the trial showed that ewes on the Cu fertiliser treated pasture had a much higher Cu concentration in their liver than those on untreated pasture. (gla.ac.uk)
  • about 66% is found in the skeleton, 16% in the liver, 8% in the kidneys and 10% in other tissues. (who.int)
  • Small game animals are generally hunted with lead gunshot which often fragments causing elevated lead concentrations in meat and presenting health risks to frequent consumers and vulnerable groups. (researchgate.net)
  • Aluminum has no known biological functionality and can cause problems in corals and crustaceans at higher concentrations. (oceamo.com)
  • Calcium is a skeleton building element in hard corals, so a constant calcium content is essential for the healthy growth of SPS and LPS corals. (oceamo.com)
  • When aragonite elements are low in concentration corals may develop brittle calcite, which leads to lower bone density. (digitechaquariums.com)
  • Our data suggests that A. viridis regulates its internal trace element concentrations by compartmentalization and excretion and that these features contribute to its resilience and potential success at the trace element-rich high p CO 2 vent. (peerj.com)
  • Urinary gold excretion follows a similar pattern to that of the plasma gold concentration. (sas-centre.org)
  • This project aims to test the hypothesis that World Trade Center (WTC)-related trace elements remained in human tissues years after 9/11/2001 and may be useful in the development of biomarkers of WTC exposure. (cdc.gov)
  • The nutrient and trace element composition of the foods was estimated by calculating the mass of the food added and comparing the foods to compositions of comparable foods in what I call 'The Food and Additive Study'(Shimek, 2001). (reefkeeping.com)
  • Up to the now, the local 8-iso-prostaglandin F 2α (8-iso-PGF 2α ), concentration as oxidative stress biomarker and trace elements status have not been published in patients with TP. (biomedcentral.com)
  • Is metallothionein in Mimachlamys varia a suitable biomarker of trace elements in the waters of the French Atlantic coast? (uco.fr)
  • In proteoliposomes EcoDMT mediates proton-coupled uptake of manganese at low micromolar concentrations. (nature.com)
  • Thermal salts and Vichy water ingredients that contain the highest concentration of trace elements such as silicon, iron, manganese, fluorine, boron and lithium. (lyrashop.eu)
  • Even in this small concentration, iodine is required for survival of fishes, crustaceans, macroalgae and kelp, and hermatypic invertebrates alike. (aquaticwarehouse.com)
  • The pedal disc contained substantially more trace elements than the anemone's tentacles, suggesting the pedal disc may serve as a detoxification/storage site for excess trace elements. (peerj.com)
  • 1973. The determination of trace amounts of barium in calcium carbonate by atomic- absorption spectrophotometry. (cdc.gov)
  • Reef Essential® Aragonite A™ is designed to provide ionic & complexed calcium as well as other key elements such as strontium and barium to help build strong aragonite. (digitechaquariums.com)
  • Recommended calcium concentration = 405-440ppm. (digitechaquariums.com)
  • Note: 1mL/100L will raise calcium by 2ppm, other elements will increase relatively. (digitechaquariums.com)
  • Copper (Cu) deficiency in ruminants continues to be a common trace element disorder in Great Britain despite the fact that its existence was first recognised over 50 years ago. (gla.ac.uk)
  • Trace elements are defined as those elements occurring in trace concentrations (micro gram per gram or parts per million) in biological materials [1-3] . (scialert.net)
  • Biological Trace Element Research , 169 (2), 164-173. (rti.org)
  • The combined biological and chemical depletion of iodine necessitate that its concentration be monitored and the aquarium supplemented as needed. (aquaticwarehouse.com)
  • Antimony has no known biological function and can cause problems in the reef aquarium at elevated concentrations. (oceamo.com)
  • The ischemic injury underlying these illnesses is complex, involving intricate interplays among many biological functions including energy metabolism, vascular regulation, hemodynamics, oxidative stress, inflammation, platelet activation, and tissue repair that take place in a context- and time-dependent manner. (cdc.gov)
  • At strongly elevated concentrations, we recommend change of water to reduce the barium content. (oceamo.com)
  • Subsequent purification processes that remove organic compounds take away many of the same compounds that bind the element in its free state, further increasing aluminum concentration. (medscape.com)
  • PMMHA samples that are archived in the NIST Biorepository are collected and processed according to detailed standardized protocols, which makes NIST Biorepository samples specifically useful for analytical analysis of organic contaminants, trace elements, and other chemical analytes. (nist.gov)
  • Gel electrophoresis identified the presence of organic material in this specimen, and subsequent immunofluorescence and enzyme-linked immunosorbant assays identified preservation of epitopes of the structural protein collagen I. Our results thereby support the utility of REE profiles as proxies for soft tissue and biomolecular preservation in fossil bones. (lu.se)
  • media density and viscosity and particle size, shape, charge and element of all tiered approaches for toxicity assessment of density, for example. (cdc.gov)
  • The aim of this study is to evaluate the relationship between oxidative stress and trace elements (Cu, Zn, Se), and to evaluate the ratios of Cu/Zn and Cu/Se in this disorder. (biomedcentral.com)
  • Our results showed that there is a possible link between oxidative stress (increased 8-iso-PGF 2α concentrations) and imbalanced of trace elements status in lesional area of TP patients. (biomedcentral.com)
  • Therefore, to assess the importance of oxidative stress in the progression to TP patients, we measured, using a specific validated immunoassay in scraping samples, concentrations of 8-iso-PGF 2α in a series of consecutive patients with TP. (biomedcentral.com)
  • The concentrations of these elements in effluent irrigated plants were higher than those in tubewell irrigated plants and also higher than those generally reported in the literature. (scialert.net)
  • Contents of all macro and trace minerals, with the exception of phosphorus, were higher than those described for conventional food. (scirp.org)
  • In the third year the mean plasma Cu concentration of ewes on treated pasture, although still higher than that of the control ewes, dropped below the deficiency threshold. (gla.ac.uk)
  • The Hazard Quotient (HQ), Hazard Index (HI) and Target Hazard Quotient (THQ, general and fisherman populations) were calculated to assess the non-carcinogenic human health risk from water and fish consumption.Results: The concentrations of several elements in water and sediment were higher than the international guidelines for aquatic biota protection. (conicet.gov.ar)
  • The data shows that grass carp had stored higher concentrations of lead than Mahseer, which may be attributed to the fact that they are omnivorous. (scielo.br)
  • The tissues of wild invasive Mediterranean mussels contain higher levels of a range of trace elements comparing to farmed mussels. (scirp.org)
  • The tissues of Pacific oysters contain much higher levels of almost all elements studied compared to the tissues of Mediterranean mussels. (scirp.org)
  • Higher values ​​should be avoided, as in combination with low nutrient levels tissue degenerations may occur. (oceamo.com)
  • [ 15 ] Commercially freeze-dried products such as pan masala, guthka, and mawa have higher concentrations of areca nut per chew and appear to cause oral submucous fibrosis more rapidly than self-prepared conventional betel quid, which contains smaller amounts of areca nut. (medscape.com)
  • These climatic factors greatly influence the concentration and availability of salts, attracting herbivores in search of essential minerals. (co.ke)
  • Trace and heavy metal analyses of a skeletal population representing the town people in Turku (Åbo), Finland in the 16th-17th centuries: with special reference to gender, age and social background. (besjournal.com)
  • In human, as well as in veterinary medicine, several dietary protocols have been developed to relieve poor sperm concentration and function. (mdpi.com)
  • Dietary supplementation with SeMet (2 mg/kg) increased the tissue concentration of Se, and the expression and activity of glutathione peroxidase, compared to non-supplemented controls. (greenmedinfo.com)
  • 7] M. Busetto, L. Giordani, A. Brandone, C. Cattaneo, A. Mazzucchi, Dietary investigation by trace element content in bones of ancient inhabitants of Northern Italy, in: Journal of Radioanalytical and Nuclear Chemistry, 2008, pp. 355-363. (icomos.org)
  • Special emphasis in this study was placed on evaluating the effects of storage conditions on redistribution of the elements and moreover the potential roles of metallothionein in tissue redistribution. (unboundmedicine.com)
  • To test this hypothesis, we are collecting tissues from ~88 WTC Health Registry (WTCHR)-enrollees who died in 2007-2012 in ways that required autopsy and from ~ 62 matched 'community control autopsies. (cdc.gov)
  • Relating in vitro to in vivo exposures with physiologically based tissue dosimetry and tissue response models. (cdc.gov)
  • Do trace element concentrations in the tissues of autopsied WTCHR decedents correlate with interview-based estimates of exposure? (cdc.gov)
  • Do histologic findings correlate with tissue burden of WTC-contaminants? (cdc.gov)
  • Pesticide detections also correlate with elevated nitrate concentrations. (usgs.gov)
  • Recommended alkalinity concentration = 7.4-10.5dKH (132-188ppm). (indiefur.com)
  • Previous studies analyzing serum and placenta tissue have produced conflicting findings, suggesting the need for a robust, validated sample preparation and analysis method for the determination of trace elements in placenta. (rti.org)
  • Postoperative disrupted abdominal wall management by a new tissue expansion technique. (who.int)
  • [ 4 ] Malabsorption through diarrheal states can result in essential metal and trace element deficiencies. (medscape.com)
  • Seven trace elements B, Cl, Cu, Fe, Mn, Mo and Zn were designated as micronutrients because they have been determined to be essential for plants based on the criteria of essentiality established by Arnon and Stout [4] . (scialert.net)
  • This trace element is essential to form hemoglobin and oxygen-carrying red blood cells. (superkidsnutrition.com)
  • This product must be used alongside our Reef Essential® Aragonite B™ & Reef Essential® Aragonite C™ supplements as together they will provide the required major, minor and trace aragonite elements. (digitechaquariums.com)
  • If signature trace elements can be identified, this project will lay the foundation for future development of biomarkers indicative of cumulative exposure to WTC contaminants among living individuals. (cdc.gov)
  • The CDC has an ongoing exposure and biomonitoring program for a number of chemicals including lead (CDC, National Exposure Report, 2005) which follows changes in blood lead concentrations over time. (who.int)
  • The rare earth element (REE) composition of a fossil bone reflects its chemical alteration during diagenesis. (lu.se)
  • 8] J.F. Farnum, M.D. Glascock, M.K. Sandford, S. Gerritsen, Trace elements in ancient human bone and associated soil using NAA, in: Journal of Radioanalytical and Nuclear Chemistry, 1995, pp. 267-274. (icomos.org)
  • [ 2 ] Due to its reactivity, aluminum in nature is found only in combination with other elements. (medscape.com)
  • With respect to our second objective, we found no evidence that partial restrictions, such as those over wetlands or for waterfowl shooting, nor calls for voluntary restraint, had resulted in a measurable reduction in lead concentrations in game meat. (researchgate.net)
  • I have shown that the concentrations of many of these elements in our reef tanks bear little similarity to what is found in natural sea water (NSW). (reefkeeping.com)
  • Herbage analysis from the animal response trial showed Cu concentrations above the phytotoxic threshold and up to ten times those found in pot and herbage trials in the first 6 months after application of the Cu fertiliser. (gla.ac.uk)
  • A second field trial using a lower Cu fertiliser application rate (250 kg/ha), and hence reducing the potential for surface adherence, resulted in a comparable increase and maintenance of the plasma Cu concentrations of sheep grazing the treated pasture to that found in the first trial. (gla.ac.uk)
  • We directly tested this prediction by conducting multiple biomolecular assays on a well-preserved fibula of the dinosaur Edmontosaurus from the Cretaceous Hell Creek Formation previously found to exhibit low REE concentrations and steeply-declining REE profiles. (lu.se)
  • The elements found suggest that implants have shortcomings with regard to the final cleaning process before marketing. (bvsalud.org)
  • Concentrations of some long-banned but persistent organochlorine pesticides (such as DDT) or total PCBs exceed environmental guidelines for streambed sediment at 22 percent of the sites sampled. (usgs.gov)
  • Pyrroloquinoline Quinone Stimulates Mitochondrial Biogenesis through cAMP Response Element-binding Protein Phosphorylation and Increased PGC-1α Expression. (ourovitae.com)
  • Laser technology can be used in soft tissue surgery, caries prevention, caries diagnosis, cavity preparation, and endodontic treatment for children. (hindawi.com)
  • We calculated an arithmetic mean lead concentration in small game meat of 5.205 ppm w.w. (2011-2021) from across Europe. (researchgate.net)
  • Oral submucous fibrosis is a chronic debilitating disease of the oral cavity characterized by inflammation and progressive fibrosis of the submucosal tissues (lamina propria and deeper connective tissues). (medscape.com)
  • We illustrate screening of hazards posed by new products and environmental that where equal mass concentrations (mg/ml) imply equal doses for chemicals (Bakand et al. (cdc.gov)
  • Despite the considerable attention in vitro systems have area concentration doses differ by orders of magnitude. (cdc.gov)
  • 4] M.L. Carvalho, A.F. Marques, M.T. Lima, U. Reus, Trace elements distribution and post-mortem intake in human bones from Middle Age by total reflection X-ray fluorescence, in: Spectrochimica Acta Part B, 2004, pp. 1251-1257. (icomos.org)
  • Particulate matter concentration and composition in the New York City subway system. (cdc.gov)
  • Plants may be passive receptors of trace elements (fallout interception or root but they also exert control over uptake or rejection of some elements by appropriate physiological reactions [8] . (scialert.net)
  • [ 1 ] It is the third most prevalent element and the most abundant metal in the earth's crust, representing approximately 8% of total mineral components. (medscape.com)
  • Iron promotes the transport of oxygen in the blood for better tissue oxygenation. (lyrashop.eu)
  • A new technique has been presented that results in an acceleration of delayed primary healing with full thickness skin and subcutaneous tissue coverage. (who.int)
  • The human health significance of very low concentrations of several pesticides is uncertain because drinking water standards do not exist for 40 percent of the pesticides detected or for occurrences of multiple pesticides. (usgs.gov)
  • The effect of risk factors on the levels of chemical elements in the Tibial Plateau of patients with osteoarthritis following knee surgery. (besjournal.com)
  • and for Zn, the hepatopancreas again contained the highest levels, though there were not any significant differences in Zn concentrations between muscle and exoskeleton. (unboundmedicine.com)
  • 1) Having low-iron levels can affect a child's concentration and memory, making learning a struggle. (superkidsnutrition.com)
  • Synthetic iron oxide pigments have no relevant effect on the levels and bioavailabilities of these elements. (europa.eu)
  • Usually, Mts levels were decreased in site showing elevated levels of trace element which explained by downregulation of Mts. (uco.fr)
  • We reviewed three decades of European data on lead concentrations in the meat of gamebirds, rabbits and hares across countries with various restrictions on lead gunshot use. (researchgate.net)