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Srinivasan Malar et al.
Ecotoxicology and environmental safety, 108, 249-257 (2014-08-12)
The present study was aimed at evaluating phytotoxicity of various concentrations of lead nitrate (0, 100, 200, 400, 600, 800 and 1000mgL(-1)) in Sesbania grandiflora. The seedling growth was significantly affected (46%) at 1000mgL(-1) lead (Pb) treatment. Accumulation of Pb...
Rebecca G Mitchell et al.
Environmental pollution (Barking, Essex : 1987), 187, 162-169 (2014-02-08)
Urban gardens provide affordable fresh produce to communities with limited access to healthy food but may also increase exposure to lead (Pb) and other soil contaminants. Metals analysis of 564 soil samples from 54 New York City (NYC) community gardens...
Sergio Righi et al.
Journal of applied clinical medical physics, 14(1), 3678-3678 (2013-01-16)
The Novac7 and Liac are linear accelerators (linacs) dedicated to intraoperative radiation therapy (IORT), which produce high energy, very high dose-per-pulse electron beams. The characteristics of the accelerators heads of the Novac7 and Liac are different compared to conventional electron...
Michael H Stevens et al.
The Laryngoscope, 123(11), 2854-2858 (2013-05-21)
To reexamine the cause of Beethoven's hearing loss because of significant recent articles. Medical and musical literature online, in print, and personal communication. Relevant literature review. Evidence of otosclerosis is lacking because close gross examination of Beethoven's middle ears at...
D K Gupta et al.
Environmental science and pollution research international, 20(4), 2150-2161 (2013-01-23)
Lead (Pb) is naturally occurring element whose distribution in the environment occurs because of its extensive use in paints, petrol, explosives, sludge, and industrial wastes. In plants, Pb uptake and translocation occurs, causing toxic effects resulting in decrease of biomass...
Michelle L Rogers et al.
American journal of public health, 104(8), e119-e124 (2014-06-13)
We examined the effects of changes in Rhode Island's Lead Hazard Mitigation Law in 2005 on children's blood lead levels. We used 2005 to 2009 data from Rhode Island's Lead Elimination Surveillance System; city tax assessor records in Central Falls...
Mohammad Nemati Varnosfaderany et al.
Marine pollution bulletin, 87(1-2), 152-163 (2014-08-19)
In this study, 75 samples of two (210)Pb-dated cores from the southwest of the Caspian Sea were analysed for 30 compounds of polycyclic aromatic hydrocarbons (PAHs). The TPAH29 flux of the last six centuries ranged from 16.3 to 177.3 and...
Jun An et al.
Toxicology letters, 229(1), 158-166 (2014-06-25)
miRNAs have been found to contribute to normal brain functions, nervous system diseases, as well as neurotoxicities induced by external agents. However, whether they are involved in lead-induced neurotoxicities is still not clear. To identify that, a lead-induced chronic neurotoxicity...
Louise J Kristensen et al.
Environmental pollution (Barking, Essex : 1987), 190, 159-165 (2014-04-26)
This study identifies natural and industrial lead remobilized in ash deposits from three bushfires in relatively pristine areas of Australia in 2011 using lead isotopic compositions ((208)Pb/(207)Pb; (206)Pb/(207)Pb). Lead concentrations in the ash ranged from 1 to 36 mg/kg, bracketing the...
Chamani P M Marasinghe Wadige et al.
Aquatic toxicology (Amsterdam, Netherlands), 149, 83-93 (2014-03-01)
Lead entering aquatic ecosystems adsorbs to sediments and has the potential to cause adverse effects on the health of benthic organisms. To evaluate the freshwater bivalve Hyridella australis as a bioindicator for sediment toxicity, their exposure-dose and response to lead...
Biran Zhu et al.
Aquatic toxicology (Amsterdam, Netherlands), 157, 186-195 (2014-12-03)
Polybrominated diphenyl ethers (PBDEs) and metals are the main contaminants at waste electrical and electronic equipment ("e-waste") recycling sites. However, the potential environmental health effects of mixtures of PBDEs and metals are not known. We investigated co-exposure of lead (Pb)...
D McDonnell et al.
Journal of anatomy, 184 ( Pt 2), 363-369 (1994-04-01)
The lingual foramen in the midline of the mandible causes confusion in terminology, incidence of occurrence and contents. A survey of 314 dried mandibles showed the foramen to be present in 311 specimens (99.04%). Sectioning of cadaver specimens illustrated a...
Saira Tasmin et al.
Environmental research, 136, 318-323 (2014-12-03)
Lead has long been recognized as a harmful environmental pollutant. People in developing countries like Bangladesh still have a higher risk of lead exposure. Previous research has suggested that the delta-aminolevulinic acid dehydratase (ALAD) genotype can modify lead toxicity and...
Eric E Beier et al.
Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 32(11), 1397-1405 (2014-07-22)
There is strong evidence in the clinical literature to suggest that elevated lead (Pb) exposure impairs fracture healing. Since Pb has been demonstrated to inhibit bone formation, and Wnt signaling is an important anabolic pathway in chondrocyte maturation and endochondral...
M Bourgeois et al.
Health physics, 62(6), 546-552 (1992-06-01)
A significant amount of radiation escapes the rear of an image receptor in conventional dental radiographic procedures despite the placement of a lead-containing backing at the rear of the film pack. The purpose of this investigation was to place additional...
K Araki et al.
Dento maxillo facial radiology, 22(4), 179-182 (1993-11-01)
The role of lead foil in protecting film from image degradation due to back-scattered radiation was studied. The effects of low-scattering (polystyrene foam) and tissue-equivalent (Lucite) materials on relative speed and modulation transfer factor (MTF) of the front and back...
Qinglin Chen et al.
Ecotoxicology and environmental safety, 102, 93-99 (2014-03-04)
The experiment was conducted to investigate the effects of single and combined pollution from different concentrations of atrazine (field rate, FR, 2.0 mg kg(-1) and 5 times FR, 10 mg kg(-1)) and lead (Pb) (300 mg kg(-1) and 600 mg...
Catherine Beaucham et al.
MMWR. Morbidity and mortality weekly report, 63(16), 347-351 (2014-04-25)
Indoor firing ranges are a source of lead exposure and elevated blood lead levels (BLLs) among employees, their families, and customers, despite public health outreach efforts and comprehensive guidelines for controlling occupational lead exposure. There are approximately 16,000-18,000 indoor firing...
Ami R Zota et al.
American journal of epidemiology, 181(2), 127-136 (2014-12-17)
Cadmium and lead are ubiquitous environmental contaminants that might increase risks of cardiovascular disease and other aging-related diseases, but their relationships with leukocyte telomere length (LTL), a marker of cellular aging, are poorly understood. In experimental studies, they have been...
Larissa Check et al.
Reviews on environmental health, 28(2-3), 85-96 (2013-11-07)
Persistent, bioaccumulative, and toxic (PBT) chemicals are a class of chemicals that resist degradation and persist in the environment for extensive periods. As a result of their persistence, when these chemicals are consumed, they bioaccumulate in the fat tissues, bones...
Evert Nieboer et al.
Environmental science. Processes & impacts, 15(10), 1824-1829 (2013-08-24)
Lead as a toxic environmental metal has been an issue of concern for 30-40 years. Even though the exposures experienced by the general public have been significantly reduced, so have the acceptable blood lead concentrations assessed to safeguard health (specifically...
Muhammad Bilal Shakoor et al.
Ecotoxicology and environmental safety, 109, 38-47 (2014-08-29)
Phytoextraction is an environmentally friendly and a cost-effective strategy for remediation of heavy metal contaminated soils. However, lower bioavailability of some of the metals in polluted environments e.g. lead (Pb) is a major constraint of phytoextraction process that could be...
María D Esteban-Vasallo et al.
Environmental health perspectives, 120(10), 1369-1377 (2012-05-18)
Placental tissue may furnish information on the exposure of both mother and fetus. Mercury (Hg), cadmium (Cd), and lead (Pb) are toxicants of interest in pregnancy because they are associated with alterations in child development. The aim of this study...
Ana Carolina Bertin de Almeida Lopes et al.
Journal of toxicology and environmental health. Part A, 78(2), 92-108 (2014-11-27)
In Brazil there is no systematic evaluation to access blood lead levels (BLL) in the general population and few studies with adults have been published. The aim of this study was to examine the socioeconomic, environmental, and lifestyle determinants of...
Blair Schoene et al.
Science (New York, N.Y.), 347(6218), 182-184 (2014-12-17)
The Chicxulub asteroid impact (Mexico) and the eruption of the massive Deccan volcanic province (India) are two proposed causes of the end-Cretaceous mass extinction, which includes the demise of nonavian dinosaurs. Despite widespread acceptance of the impact hypothesis, the lack...
Ritam Chowdhury et al.
Environmental research, 132, 100-104 (2014-04-29)
There is evidence that adult lead exposure increases cancer risk. IARC has classified lead as a 'probable' carcinogen, primarily based on stomach and lung cancer associations. We studied mortality among men in a lead surveillance program in 11 states,. categorized...
Lead in teeth can tell their origin.
Journal of the California Dental Association, 42(10), 678-678 (2014-10-28)
Lizhi Zhang et al.
Small (Weinheim an der Bergstrasse, Germany), 1(3), 349-354 (2006-12-29)
In this study we demonstrate that one-dimensional (1D) nanostructured lead telluride (PbTe) can be synthesized in a hydrothermal reaction between lead foil and tellurium powder. The resulting materials were characterized by X-ray diffraction, scanning electron microscopy, and transmission electron microscopy....
Min-Yi Huang et al.
Ecotoxicology and environmental safety, 104, 310-316 (2014-04-15)
Lead (Pb) is a common heavy metal in the natural environment, but its concentration has been increasing alongside widespread industrial and agricultural development in China. The dark-spotted frog Pelophylax (formerly Rana) nigromaculata (Anura: Ranidae) is distributed across East Asia and...
Donald Smith et al.
Journal of medical toxicology : official journal of the American College of Medical Toxicology, 9(4), 326-338 (2013-10-12)
This presentation summarizes several of the rodent and non-human studies that we have conducted to help inform the efficacy and clinical utility of succimer (meso-2,3-dimercaptosuccincinic acid) chelation treatment. We address the following questions: (1) What is the extent of body...
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