نتایج جستجو برای: cadmium 565

تعداد نتایج: 25928  

Journal: :Journal of hazardous materials 2005
Wenming Wang Vasilis Fthenakis

The feasibility of using ion-exchange resins to separate cadmium from tellurium in acidic solutions of the two metals was investigated. We studied the competitive adsorption of cadmium and tellurium in such resins under varying acid strengths and contact time. We found that low sulfuric acid strength (i.e., 0.5 M) was most effective in removing cadmium from solutions. Different ion-exchange res...

Journal: :Environmental Health Perspectives 2002
Richard Wittman Howard Hu

A 28-year-old female presented for evaluation of left flank pain and polyuria after having been exposed to cadmium in the jewelry manufacturing industry for approximately 3 years. This patient possessed both elevated 24-hr urinary ss2-microglobulin and elevated blood cadmium levels. Approximately 6 months after initial presentation, the patient resigned from her job due to shortness of breath, ...

Journal: :Comparative biochemistry and physiology. Toxicology & pharmacology : CBP 2013
Anne M Taylor William A Maher

Cadmium is a ubiquitous environmental metal contaminant with an affinity for biological membranes; it can enter cells by facilitated transport and it binds therein to various biomolecules and affects membrane system function. The relationship between cadmium exposure, dose and response was investigated in the benthic, deposit feeding, marine bivalve Tellina deltoidalis, using 28 day microcosm s...

Journal: :Okajimas folia anatomica Japonica 1977
R Semba H Yamamura U Murakami

Pretreatment with cadmium is reported to protect animals, to some extent, from acute toxicity of a following administration of a higher dose of cadmium itself. On the other hand, it is still unknown as to whether or not the teratogenicity and/or the fetolethality of cadmium are reduced by such pretreatment with cadmium. Based on Cadmium Pretreatment and Fetotoxicity of Cadmium 287 a report that...

1976
D. A. WRIGHT

Cadmium accumulation by the haemolymph, gills and carapace of the shore crab Carcinus maenas (L.) was significantly higher in dilute sea water. This was reflected in the whole-body cadmium concentrations. There was no salinity effect with the hepatopancreas or muscle cadmium concentration. Over a 68-day period, cadmium was steadily accumulated by the carapace, with the salinity effect becoming ...

Journal: :Journal of the Medical Association of Thailand = Chotmaihet thangphaet 2007
Witaya Swaddiwudhipong Pisit Limpatanachote Pranee Mahasakpan Somyot Krintratun Chantana Padungtod

BACKGROUND In Mae Sot District, Tak Province, Thailand, the paddy fields receiving irrigation from the two creeks and crops grown in the areas were found to contain markedly elevated cadmium levels during the surveys in 2001-2004. OBJECTIVE The present report carried out a survey in 2004 to determine urinary cadmium, a good index of excessive cadmium exposure and body burden, among the expose...

2014
Samy A. Hussein M. Abd El-Hamid Ahmad M. S. Fayed

Cadmium (Cd) is a well-known human carcinogen and a potent nephrotoxin. The protective effects of alpha-lipoic acid and melatonin against cadmium (Cd) induced oxidative stress to erythrocytes in rats were evaluated. One hundred male albino rats were divided into five groups containing 20 rats each. Group I: (control) administered distilled water. Group II :( Cadmium exposed group) received cadm...

2012
Maria Tellez-Plaza Ana Navas-Acien Kathleen L. Caldwell Andy Menke Paul Muntner Eliseo Guallar

BACKGROUND Public health policies such as tobacco control, air pollution reduction, and hazardous waste remediation may have reduced cadmium exposure among U.S. adults. However, trends in urine cadmium, a marker of cumulative cadmium exposure, have not been evaluated. OBJECTIVES We estimated the trends in urine cadmium concentrations in U.S. adults using data from the National Health and Nutr...

Journal: :Environmental Health Perspectives 1979
H. Mitchell Perry Margaret Erlanger Elizabeth F. Perry

In our laboratory, chronically feeding cadmium to groups of rats has been reproducibly associated with average increases of 15 to 20 mm Hg in systolic pressure. A total of 497 female Long-Evans rats were continuously provided with drinking water fortified with five essential elements and containing from 0.01 to 50 ppm cadmium, as the acetate, from weaning for as long as 30 months. These rats, p...

2011
Farhat Jabeen Abdul Shakoor Chaudhry

The present study aimed to assess the protective role of selenium against cadmium induced hepatotoxicity. The rats were given subcutaneous doses of 1mg/Kg body weight of either normal saline or cadmium chloride or sodium selenite or cadmium chloride plus sodium selenite on alternate days for four weeks. The results showed that cadmium treatment increased hepatic levels of lipid peroxidation, DN...

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