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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
Jerome P Trzeciakowski et al.
Toxicology letters, 228(1), 34-41 (2014-04-29)
A relationship between exposure to heavy metals, including lead and cadmium, and renal dysfunction has long been suggested. However, modeling of the potential additive, or synergistic, impact of metals on renal dysfunction has proven to be challenging. In these studies
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
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
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
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
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
Amanda Alba et al.
Journal of midwifery & women's health, 57(5), 509-514 (2012-08-23)
Antepartum lead screening typically involves identification of current environmental or occupational risk and pica habits. However, for foreign-born women who have immigrated to the United States, distant exposure years prior may be a more significant factor contributing to elevated lead
Laura S Sherman et al.
The Science of the total environment, 502, 362-374 (2014-09-30)
The anthropogenic emission and subsequent deposition of heavy metals including mercury (Hg) and lead (Pb) present human health and environmental concerns. Although it is known that local and regional sources of these metals contribute to deposition in the Great Lakes
Jennifer Pareja-Carrera et al.
Ecotoxicology and environmental safety, 108, 210-216 (2014-08-05)
Livestock from the ancient mining area of Sierra Madrona and Alcudia Valley (Spain) is exposed to elevated levels of lead (Pb), as previous studies based on blood monitoring have revealed. Here we have studied blood, liver and muscle Pb levels
Ndokiari Boisa et al.
Environment international, 70, 132-142 (2014-06-18)
An approach for assessing the inhalation bioaccessibility of Pb in the PM10 size fraction is presented, using an in vitro simulated epithelial lung fluid to represent the extracellular environment of the lung. The developed inhalation bioaccessibility method (IBM) is applied
Yasuhiro Shinkai et al.
Biological & pharmaceutical bulletin, 35(11), 1885-1891 (2012-11-06)
Lead is a toxic heavy metal that can cause a range of health problems. In this context, the vascular system is a particular target of the deleterious effects of lead. Lead exerts its toxicity through substitution of other divalent cations
D M Tucker et al.
Radiology, 188(1), 271-274 (1993-07-01)
The effects of scatter radiation on images obtained with storage phosphor computed radiography (CR) were evaluated. The scatter degradation factor was extended to account separately for forward scatter and backscatter. Values for the ratios of forward scatter to primary radiation
Paula M C Antunes et al.
Environmental toxicology and chemistry, 33(10), 2225-2233 (2014-07-22)
In the present study, predictive measures for Pb toxicity and Lemna minor were developed from bioassays with 7 surface waters having varied chemistries (0.5-12.5 mg/L dissolved organic carbon, pH of 5.4-8.3, and water hardness of 8-266 mg/L CaCO3 ). As expected based
M Pogrzeba et al.
Environmental monitoring and assessment, 187(1), 4120-4120 (2014-11-10)
Many years of heavy industrial processes in the Upper Silesian Industrial Region in Poland (ore flotation, metal smelting and battery scrap processing) have resulted in lead, zinc and cadmium pollution of the air and soil. The most significant issues stem
Xuqiang Qiao et al.
Bulletin of environmental contamination and toxicology, 93(2), 251-255 (2014-06-16)
Photochemical responses in the thylakoid membrane of Nymphoides peltatum to increasing lead (Pb) concentrations were investigated after 5 days of exposure. Pb accumulation increased in a concentration-dependent manner, with a maximum of 118.44 μg g(-1) at 100 μM. Nutrients (Zn
Environmental lead exposure and increased risk for total and allergen-specific IgE in US adults.
Kyoung-Bok Min et al.
The Journal of allergy and clinical immunology, 135(1), 275-277 (2014-12-03)
Suzhen Cao et al.
Environment international, 73, 158-166 (2014-08-16)
Lead exposure in the environment is a major hazard affecting human health, particularly for children. The blood lead levels in the local children living around the largest coking area in China were measured, and the source of blood lead and
Tsering Jan van der Kuijp et al.
Environmental health : a global access science source, 12, 61-61 (2013-08-07)
Despite China's leaded gasoline phase out in 2000, the continued high rates of lead poisoning found in children's blood lead levels reflect the need for identifying and controlling other sources of lead pollution. From 2001 to 2007, 24% of children
Lead foil technique for partially edentulous radiographic guide.
Jason Chong et al.
The Journal of prosthetic dentistry, 108(4), 268-270 (2012-10-04)
Kovacs et al.
Archives of environmental contamination and toxicology, 36(3), 242-247 (1999-02-27)
The sorption of volatile organic analytes from water samples by the Teflon septum surface used with standard glass 40-ml sample collection vials was investigated. Analytes tested included alkanes, isoalkanes, olefins, cycloalkanes, a cycloalkene, monoaromatics, a polynuclear aromatic, and two chloroethenes.
Anna Z Pollack et al.
Journal of toxicology and environmental health. Part A, 78(2), 119-131 (2014-11-27)
Certain metals are harmful to the kidney and liver at high levels, but associations with functional biomarkers at low exposure levels among premenopausal women apparently has not been evaluated. Healthy, regularly menstruating women (n = 259) were followed for up
Shaoxin Huang et al.
Toxicology letters, 226(3), 277-284 (2014-03-07)
Since lead accumulation is toxic to cells, its excretion is crucial for organisms to survive the toxicity. In this study, mouse testis sertoli (TM4) and Mrp1 lower-expression TM4-sh cells were used to explore the lead accumulation characteristics, and the role
Yun-Chul Hong et al.
Pediatrics, 134(6), 1151-1159 (2014-11-26)
The effects on postnatal growth of maternal exposure to low levels of lead during pregnancy have not been well established. In addition, information is limited regarding the protective effect of dietary calcium intake during pregnancy against the effect of lead
Practice guidelines for childhood lead screening in primary care.
Rachel Ness
Journal of pediatric health care : official publication of National Association of Pediatric Nurse Associates & Practitioners, 27(5), 395-399 (2013-03-08)
Tomas Kron et al.
Physics in medicine and biology, 47(5), 713-722 (2002-04-05)
Radioactive sources in close contact offer an alternative to superficial radiation in the treatment of skin lesions. A flattening filter was designed for a lead surface applicator to improve the skin dose distribution of a high dose rate (HDR) brachytherapy
K Ulin et al.
International journal of radiation oncology, biology, physics, 35(4), 785-792 (1996-07-01)
This study was undertaken to show that scattering foils could be used as electron beam compensators. Two scattering foils were designed to improve the dose homogeneity when a curved surface is irradiated with electrons. One scattering foil, constructed of mylar
Chang-Sun Sim et al.
Environmental research, 130, 1-6 (2014-02-08)
We present data from the Korean National Health and Nutritional Examination Survey (KNHANES) 2010-11 on the distribution of blood lead levels, and examine their association with iron deficiency in a representative sample of the adolescent Korean population. This study was
Cognitive declines after deep brain stimulation are likely to be attributable to more than caudate penetration and lead location.
Takashi Morishita et al.
Brain : a journal of neurology, 137(Pt 5), e274-e274 (2014-02-13)
A method for measuring the presampled MTF of digital radiographic systems using an edge test device.
E Samei et al.
Medical physics, 25(1), 102-113 (1998-02-24)
The modulation transfer function (MTF) of radiographic systems is frequently evaluated by measuring the system's line spread function (LSF) using narrow slits. The slit method requires precise fabrication and alignment of a slit and high radiation exposure. An alternative method
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