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Mercury Compounds (1):
Recent article
Mercury Compounds
Abstract
Mercury has various uses in nuclear fuel reprocessing and other nuclear processes, and so it is often present in radioactive and mixed (radioactive and hazardous) wastes. Compliance with air emission regulations such as the Hazardous Waste Combustor (HWC) Maximum Achievable Control Technology (MACT)...
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PMID: 21141428
PDF is available here.
PDF is available here.
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Toxicology and Applied Pharmacology (246)1-2 2010
Abstract
Several cases of skin sensitization have been reported following the application of thimerosal, which is composed of ethyl mercury and thiosalicylic acid (TSA). However, few in vitro studies have been carried out on human dendritic cells (DCs) which play an essential role in the initiation of allerg...
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PMID: 20417223
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (178)1-3 2010
Abstract
We report a versatile optical sensor by incorporating the indicator dye 4-phenyl-2,6-bis(2,3,5,6-tetrahydrobenzo[b][1,4,7]trioxononin-9-yl)pyrylium perchlorate into a sol-gel layer. The proposed optical sensor that is stable, fast and highly selective to Hg(2+) ions shows a significant absorbance si...
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PMID: 20188463
PDF is available here.
PDF is available here.
Journal of Hazardous Materials (178)1-3 2010
Abstract
Methylene blue was immobilized onto bentonite (BNT). The modified clay (MB-BNT) was used to extract Hg(2+) at pH 6.0 yielding Hg-MB-BNT. BNT, MB-BNT and Hg-MB-BNT were characterized by X-ray diffractometry, infrared spectra, and elemental and thermogravimetric analyses. MB is suggested to be interca...
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PMID: 20133060
PDF is available here.
PDF is available here.
Abstract
In vitro bioaccessibility (IVBA) studies were carried out on samples of mercury (Hg) mine-waste calcine (roasted Hg ore) by leaching with simulated human body fluids. The objective was to estimate potential human exposure to Hg due to inhalation of airborne calcine particulates and hand-to-mouth ing...
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PMID: 20491469
PDF is available here.
PDF is available here.
American Surgeon (76)5 2010
Abstract
Abstract
OBJECTIVE: To study the toxicity of Cinnabar and Cinnabar-containing traditional medicines (Zhusha Anshenwan) comparable to common mercurials. METHOD: The toxicity of methylmercury (MeHg), mercuric chloride (HgCl2), Cinnabar and Zhusha Anshenwan was studied in cultured human liver HL-7702 cells and...
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PMID: 20450053
PDF is available here.
PDF is available here.
Abstract
The article deals with diagnostic peculiarities of neuropsychologic traits in individuals with previous exposure to industrial neurotoxic chemicals. Pilot studies demonstrated brain disorders characteristic for toxic (mercurial) and vascular (discirculatory) encephalopathies, justified necessity of...
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PMID: 20361604
PDF is available here.
PDF is available here.
Abstract
The peroxidase activities of the complexes of hemin and intermolecular four-stranded G-quadruplexes formed by short-stranded X(n)G(m)X(p) sequences (X=A, T or C), especially T(n)G(m)T(p) sequences, were compared. The results, combining with those of circular dichroism (CD) spectra and acid-base tran...
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PMID: 19836504
PDF is available here.
PDF is available here.
Abstract
Our previous study showed that 90-day administration of Cinnabar at the dose > or = 0.1 g x kg(-1) (total intake of soluble mercury 194 microg x kg(-1)) could cause pathological changes in kidney and liver, indicating both were the toxicity targets for Cinnabar. Those manifested that liver could be...
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PMID: 20222426
PDF is available here.
PDF is available here.
Abstract
Cinnabar has been an important traditional Chinese medicine as a sedative and soporific agent for more than 2000 years. It is a naturally occurring mercuric sulfide and containing more than 96% mercuric sulfide (HgS). There are about 10% -30% Chinese patent medicines containing cinnabar according to...
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PMID: 20209942
PDF is available here.
PDF is available here.
Abstract
The isotopic composition of mercury (Hg) was determined in cinnabar ore, mine-waste calcine (retorted ore), and leachates obtained from water leaching experiments of calcine from two large Hg mining districts in the U.S. This study is the first to report significant mass-dependent Hg isotopic fracti...
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PMID: 19848142
PDF is available here.
PDF is available here.
Abstract
Most of the synthetic gypsum generated from wet flue gas desulfurization (FGD) scrubbers is currently being used for wallboard production. Because oxidized mercury is readily captured by the wet FGD scrubber, and coal-fired power plants equipped with wet scrubbers desire to benefit from the partial...
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PMID: 19728491
PDF is available here.
PDF is available here.
Federal Register (74)148 2009
Abstract
I to class II, and designating a special control to support the class II classifications of these two devices, as well as the current class II classification of amalgam alloy. The three devices are now classified in a single regulation. The special control for the devices is a guidance document enti...
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PMID: 19655469
PDF is available here.
PDF is available here.
Environmental Research (109)6 2009
Abstract
We examined relationships between hair mercury (Hg) levels and neuropsychological outcomes in a population of US children. This study included data from 355 children ages 6-10 enrolled in the New England Children's Amalgam Trial. Data on total hair Hg levels, sociodemographic information and neurops...
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PMID: 19464677
PDF is available here.
PDF is available here.
Abstract
OBJECTIVE: To develop a new quality control method for cinnabar, in order to ensure the safety application of cinnabar. METHOD: Three inorganic mercury compounds (HgS, HgO, and HgCl2) and cinnabar samples were analyzed by laser Raman spectroscopy. The cinnabar samples were identified by comparing th...
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PMID: 19777839
PDF is available here.
PDF is available here.
Radiation Research (171)6 2009
Abstract
Our study showed a weak association between internal uranium dose estimated from urinalysis results and multiple myeloma risk: OR = 1.04 (95% CI 1.00-1.09) at 10 microGy with the inclusion of other risk factors. The parameter estimates and the corresponding odds ratios were very similar when interna...
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PMID: 19580470
PDF is available here.
PDF is available here.
Abstract
We have developed a compact, computer-piloted, high sensitivity broadband imaging system for laboratory research that is compatible with various detectors. Mirror optics allow application from the visible to the far infrared spectral range. A prototype tested in conjunction with a mercury cadmium te...
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PMID: 19485541
PDF is available here.
PDF is available here.
Abstract
We concluded that there are five main endocrine-related mechanisms of Hg across these systems: (a) accumulation in the endocrine system; (b) specific cytotoxicity in endocrine tissues; (c) changes in hormone concentrations; (d) interactions with sex hormones; and (e) up-regulation or down-regulation...
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PMID: 19280433
PDF is available here.
PDF is available here.
Abstract
We document mercury distribution in tissues of two waterfowls; moorhen (Gallinula chloropus; n=6), and Common Teal (Anas crecca; n=6) from Shadegan wetlands in Southwestern Iran. Mean value of mercury in moorhen liver was (0.36 Hg microg g(-1) dry weight), Common Teal had (4.34 Hg microg g(-1) dry w...
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PMID: 19142558
PDF is available here.
PDF is available here.
Inorganic Chemistry (48)6 2009
Abstract
Reactions of [Hg(Tab)(2)](PF(6))(2) (1) with phen, 2,2'-bipy, py, N-Meim, N-(i)Prim, en, eten, tmen, dap, and dpt gave rise to a family of cationic mercury(II) thiolate complexes, [Hg(Tab)(2)(L)](PF(6))(2).S (2, L = phen, S = 2MeOH; 3, L = 2,2'-bipy, S = DMF), [Hg(Tab)(2)(L)(2)](PF(6))(2) (4, L = py...
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PMID: 19228013
PDF is available here.
PDF is available here.
Abstract
Propagation and reflection of plane elastic waves in the acousto-optic crystals tellurium dioxide, rutile, barium titanate, and mercury halides are examined in the paper. The reflection from a free and flat boundary separating the crystals and the vacuum is investigated in the (001) planes in the ca...
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PMID: 19206854
PDF is available here.
PDF is available here.
Abstract
We suggest that cinnabar which contains absoluble Hg < or = 21 microg x g(-1) should be used for no longer than 2 weeks at daily dose 0.05-0.1 g. CONCLUSION: Long term use of cinnabar can cause kidney and liver pathological change, so the dose and administration duration should be limited. The sugge...
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PMID: 19445157
PDF is available here.
PDF is available here.
Abstract
MeHg and inorganic Hg compounds were measured in aqueous media for isotope ratio analysis using aqueous phase derivatization, followed by purge-and-trap preconcentration. Compound-specific isotope ratio measurements were performed by gas chromatography interfaced to MC-ICP/MS. Several methods of cal...
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PMID: 18488203
PDF is available here.
PDF is available here.
Journal of Bacteriology (191)1 2009
Abstract
We report the DNA sequence and biological analysis of a mycobacterial mercury resistance operon encoding a novel Hg(2+) transporter. MerH was found to transport mercuric ions in Escherichia coli via a pair of essential cysteine residues but only when coexpressed with the mercuric reductase....
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PMID: 18931130
PDF is available here.
PDF is available here.
Abstract
Mercury (Hg) is present in the marine environment as a natural metal often enhanced through human activities. Depending on its chemical form, Hg can cause a wide range of immunotoxic effects. In this study, the influence of methyl-, ethyl- and phenylmercury as well as mercurychloride on immune funct...
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PMID: 20131603
PDF is available here.
PDF is available here.
Irish medical journal (102)1 2009
Abstract
Mercury is a naturally occurring metal, one of the most toxic metals within the food chain and has a number of uses in the Irish health care sector. This paper reports on a mercury survey in Ireland with the purpose to present a picture of mercury use in health settings. The findings show 50% of hea...
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PMID: 19284010
PDF is available here.
PDF is available here.
Journal of Chromatography A (1209)1-2 2008
Abstract
A method for mercury analysis and speciation in drinking water was developed, which involved stir bar sorptive extraction (SBSE) with in situ propyl derivatization and thermal desorption (TD)-GC-MS. Ten millilitre of tap water or bottled water was used. After a stir bar, pH adjustment agent and deri...
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PMID: 18823893
PDF is available here.
PDF is available here.
Abstract
An on-line inorganic and organomercury species separation, preconcentration and determination system consisting of cold vapor atomic absorption spectrometry (CV-AAS or CV-ETAAS) coupled to a flow injection (FI) method was studied. The inorganic mercury species was retained on a column (i.d., 3 mm; l...
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PMID: 18804598
PDF is available here.
PDF is available here.
Abstract
Mercury is ubiquitous in the environment and exists in a variety of chemical and physical forms as a result of both natural and man-made releases. Mercury, and specially, its organic species are toxic being the subject of much concern. Consequently, significant effort has been made to develop method...
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PMID: 18804593
PDF is available here.
PDF is available here.
Abstract
A simple and a relatively green methodology have been developed for the preconcentration of mercury based on the adsorption of its diphenylthiocarbazone complex on a cellulose column. The effects of various parameters such as effect of acidity, eluting agents, stability of the column, sample volume,...
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PMID: 18083613
PDF is available here.
PDF is available here.
Abstract
We investigate cadmium, lead, and mercury levels in feathers of prey of Falco eleonorae in relation to the ecological characteristics (molt, habitat, and contamination by soil) of the different species. Cluster analysis identified two main groups of species. Differences and correlations within and b...
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PMID: 18386944
PDF is available here.
PDF is available here.
Abstract
We evaluated the relationships of Hg concentrations among tissues in four species of waterbirds (American avocets [Recurvirostra americana], black-necked stilts [Himantopus mexicanus], Caspian terns [Hydroprogne caspia; formerly Sterna caspia], and Forster's terns [Sterna forsteri]) and across three...
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PMID: 18444697
PDF is available here.
PDF is available here.
Abstract
Recent investigations indicate that wildfires provide a significant flux of mercury (Hg) from terrestrial ecosystems to the atmosphere. However, little is known about how geographic location, climate, stand age, and tree species affect Hg accumulation prior to burning and loss during burning. Soil c...
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PMID: 18640702
PDF is available here.
PDF is available here.
Science of the Total Environment (403)1-3 2008
Abstract
Urban stormwater runoff has been identified as a leading cause of waterway impairment for many pollutants, but there has been a lack of research that directly measures Hg in urban stormwater runoff. The objectives of this research were: to use high frequency sampling to characterize the Hg export dy...
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PMID: 18582918
PDF is available here.
PDF is available here.
The Journal of Chemical Physics (129)10 2008
Abstract
We suggested that this reflected a phase transition from the initial solid to a metastable solid phase of NaNO(3). The metastable solid phase deliquesced completely in the region from approximately 87% to approximately 96% RH according to the fact that the nu(3)-NO(3)(-) band showed two overlapping...
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PMID: 19044926
PDF is available here.
PDF is available here.
Abstract
A simple and rapid procedure for the separation and determination of inorganic, methyl, and ethyl mercury compounds was described using liquid chromatography (LC) followed by vapor generation inductively coupled plasma-mass spectrometry (VG-ICP-MS). Well resolved chromatograms were obtained within 5...
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PMID: 18646758
PDF is available here.
PDF is available here.
Ecotoxicology (17)6 2008
Abstract
Clapper rails (Rallus longirostris) were used as an indicator species of estuarine marsh habitat quality because of their strong site fidelity and predictable diet consisting of mostly benthic organisms. Mercury (Hg) and the polychlorinated biphenyl (PCB) Aroclor 1268 concentrations were determined...
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PMID: 18389370
PDF is available here.
PDF is available here.
Analytica Chimica Acta (621)2 2008
Abstract
A sensitive and very simple method for determination of mercury species in solid samples has been developed involving thermal release analysis in combination with atomic absorption (AAS) detection. The method allows determination of mercury(II) chloride, methylmercury and mercury sulfide at the leve...
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PMID: 18573378
PDF is available here.
PDF is available here.
Environmental Science (29)7 2008
Abstract
One year after the first filling stage of the Three Gorges Reservoir(TGR), dissolved inorganic mercury (Hg(DI)) was measured in August 2004. Concentration of Hg(DI) varied from undetection to 82.6 ng x L(-1) with average of 22.7 ng x L(-1). Stratification of Hg(DI) in the TGR was obviously. Concentr...
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PMID: 18828353
PDF is available here.
PDF is available here.
Abstract
Three arthropods, Locusta migratoria manilensis, Acrida chinensis, and Paraten-odera sinensis were selected to study the bioaccumulation of total and methyl mercury. Concentrations of total mercury in the tissues of Locusta migratoria manilensis and Acrida chinensis were 0.013-0.154 and 0.009-0.138...
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PMID: 18365125
PDF is available here.
PDF is available here.
Archives of Toxicology (82)6 2008
Abstract
We also examined whether the effect of HgS is different from that of the well-known methyl mercury (MeHg). After a short period (7 days) of oral administration to mice, a nontoxic dose (0.1 g/kg) of HgS not only significantly enhanced pentobarbital-induced hypnosis but also attenuated tolerance indu...
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PMID: 18049810
PDF is available here.
PDF is available here.
Inorganic Chemistry (47)9 2008
Abstract
A new mercury-alanine complex has been isolated from reaction mixtures of mercurous nitrate dihydrate and alanine (L and D enantiomers). The solid-state structure contains mercury(I) and mercury(II) associated by alanine ligands in a polymeric array. The disproportionation of mercury(I) to mercury(I...
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PMID: 18380452
PDF is available here.
PDF is available here.
Journal of Biological Chemistry (283)18 2008
Abstract
We analyzed the effects of mercuric chloride (HgCl(2)) and monomethylmercury (MeHg) on the proteins of the mammalian thioredoxin system, thioredoxin reductase (TrxR) and thioredoxin (Trx), and of the glutaredoxin system, glutathione reductase (GR) and glutaredoxin (Grx). HgCl(2) and MeHg inhibited r...
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PMID: 18321861
PDF is available here.
PDF is available here.
Neurotoxicology (29)3 2008
Abstract
We attempted to explore the toxic effects of cinnabar on the auditory brainstem response (ABR) system during 2-10 weeks administration at a clinical oral dosage of 10mg/kg/day in mice. The results showed that Hg contents of the brainstem were significantly increased accompanied with gradually progre...
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PMID: 18329716
PDF is available here.
PDF is available here.
Inorganic Chemistry (47)7 2008
Abstract
These results are supported by theoretical calculations. The experimental and theoretical results suggested that the NH...S hydrogen bond influences the efficient capture of toxic Cd and Hg ions by metallothioneins....
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PMID: 18330987
PDF is available here.
PDF is available here.
Abstract
We have already set out in order to estimate a large number of physicochemical properties. These include the water to octanol partition coefficient and the gas to water partition coefficient. For the organic mercury(II) species, including dimethylmercury and the methylmercury(II) halides, the latter...
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PMID: 18385864
PDF is available here.
PDF is available here.
Abstract
Although mercuric chloride has toxicity on reproductive system, it is uncertain if such toxicity is induced by estrogen-like effect. To study whether mercuric chloride has the estrogen-like effect and its relevant mechanism, proliferation assay of MCF-7 human breast cancer cells, uterotrophic assay,...
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PMID: 17588195
PDF is available here.
PDF is available here.
Child Health Alert (26) 2008
Abstract
Inorganic Chemistry (47)6 2008
Abstract
The ammonia solvated mercury(II) ion has been structurally characterized in solution by means of EXAFS, (199)Hg NMR, and Raman spectroscopy and in solid solvates by combining results from X-ray single crystal and powder diffraction, thermogravimetry, differential scanning calorimetry, EXAFS, and Ram...
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PMID: 18260625
PDF is available here.
PDF is available here.
Abstract
Cinnabar, an important traditional Chinese mineral medicine, has been widely used as a Chinese patent medicine ingredient for sedative therapy. However, the pharmaceutical and toxicological effects of cinnabar, especially in the whole organism, were subjected to few investigations. In this study, an...
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PMID: 18164359
PDF is available here.
PDF is available here.
Abstract
We have designed and synthesized red CdTe and NIR CdHgTe QDs for fluorescent imaging. We demonstrated fluorescent imaging by using CdTe and CdHgTe QDs as fluorescent probes both in vitro and in vivo. Both CdTe and CdHgTe QDs provided sensitive detection over background autofluorescence in tissue bio...
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PMID: 18468115
PDF is available here.
PDF is available here.
Abstract
Mercury is one of the most toxic heavy metals found in solid and liquid waste disposed by chloro-alkali, paint, paper/pulp, battery, pharmaceutical, oil refinery and mining companies. Any form of mercury introduced to nature through any means is converted into a more toxic form such as methylmercury...
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PMID: 17560027
PDF is available here.
PDF is available here.
Abstract
A potentiometric lipoate-selective sensor based on mercuric lipoate ion-pair as a membrane carrier is reported. The electrode was prepared by coating the membrane solution containing PVC, plasticizer, and carrier on the surface of graphite electrode. Influences of the membrane composition, pH, and p...
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PMID: 18371758
PDF is available here.
PDF is available here.
Abstract
A multisyringe flow injection system (MSFIA) with spectrophotometric detection is proposed as a fast, robust and low-reagent consumption system for the determination of chloride (Cl(-)) in waters. The system is based in the classic reaction of Cl(-) with Fe(3+) and Hg(SCN)(2), but due to the hazardo...
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PMID: 18371814
PDF is available here.
PDF is available here.
Environmental Science (29)2 2008
Abstract
An intensive field campaign monitoring was conducted from August 2005 to July 2006 using the automatic atmospheric mercury analyzers for one year' s measurement of total gaseous mercury (TGM) in Changbai Mountain area. Results show the mean concentration of TGM is (3.22 +/- 1.78) ng x m(-3) and it p...
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PMID: 18613494
PDF is available here.
PDF is available here.
Toxicology (244)1 2008
Abstract
We also discuss the defensive mechanisms developed by the cell to protect itself against mercury injury. This aspect may be useful to provide a biological protection against toxic effects exerted by mercury or by specific forms of mercury in view of a medicinal purposes....
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PMID: 18077077
PDF is available here.
PDF is available here.
Abstract
Mercury electrodes preconcentrate metal chalcogenide nanoparticles effectively, enabling their detection at submicromolar concentrations (as Sigma chalcogenide) by adsorptive cathodic stripping voltammetry. Understanding the unique behavior of nanoparticle analytes during preconcentration is critica...
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PMID: 18183961
PDF is available here.
PDF is available here.
Abstract
Journal of Urban Health (85)1 2008
Abstract
We concentrated our recruiting efforts through health clinics located in potentially affected neighborhoods. We developed posters to advertise the study, conducted active outreach through local partners, and, as compensation for participation in the study, we offered a food gift certificate redeemab...
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PMID: 17957474
PDF is available here.
PDF is available here.