نتایج جستجو برای: cadmium pollution

تعداد نتایج: 92039  

Journal: :Sustainability 2021

To evaluate the efficacy of biochelators for phytoremediation cadmium (Cd), effects (humic acid, HA; polyaspartic PASP; rhamnolipid, RLs) and synthetic chelator (sodium tripolyphosphate, STPP) on growth, accumulation, antioxidant index Cd were investigated in Iris sibirica L. The results indicated that addition HA increased dry weight leaves stems, PASP, RLs, STPP growth but inhibited stems. de...

Background: The release of metals from industrial factories is one of the most important sources of environmental pollution. The present study aimed to determine the concentration of heavy metals like cadmium (Cd), chromium (Cr), manganese (Mn), nickel (Ni), and lead (Pb) in dust around the cement factory. Methods: A total of 22 dust samples were collected from areas around the cement factory...

Journal: :iranian j. of fisheries science 2016
o.g inan h akgul m dogan h zeren

in the present study, cadmium (cd) accumulation capabilities of aquatic macrophytes ceratophyllum demersum, bacopa monnieri and rotala rotundifolia were determined after treating both individual and triple macrophytes. the macrophytes were treated with cd at 0, 0.1, 1 and 10 mg/l concentrations in a controlled chamber for 12-days. cadmium accumulations increased with increasing cd concentration...

Ali Mansouri, Atefeh Navabi, Masoudeh Sadeghi, Mehdi Abdollahi, Mostafa Delavar, Shokoufeh Hadavand,

Background: Milk is regarded as a unique source of food for all ages. When milk is exposed to various contaminants, including lead and cadmium, it is considered a risk to humans. The presence of some metal pollutants, especially Cd and Pb, facilitates their entry into the food chain and thus increases the possibility of their toxic effects on humans and animals. Therefore, we decided to check...

Journal: :Environmental Health Perspectives 1975
A MacGregor

Physical system conceptual models are developed to illustrate the various interconnecting pathways of metal flow. Economic use of mercury and cadmium, as representative toxic heavy metals, is inventoried, and the losses of each from the pathways of economic use are compared. Distinctions are made between high volume consumers and industries that are responsible for a large percent of total emis...

2012
Tzu-Yang Hsien Yu-Ling Liu

Cadmium pollution of the environment has become a serious problem due to the increasing consumption of cadmium by industry in the past 20 years. Cadmium is introduced into the environment from the effluence of electroplating industry, and in solid and aqueous dis‐ charges from mining operations. Increased environmental awareness has resulted in the promulgation of more stringent legislation in ...

Journal: :journal of chemical health risks 0
hoda karamooz department of biology, neyshabur branch, islamic azad university, neyshabur, iran akbar safipour afshar department of biology, neyshabur branch, islamic azad university, neyshabur, iran fatemeh saeid nematpour saeid nematpour department of biology, neyshabur branch, islamic azad university, neyshabur, iran

today, biosphere pollution has accelerated strongly with start of industrial revolution by toxicity of heavy metals. one of existing pollution is soil pollution. unfortunately, soil pollution by metals is as intensive environmental stress for plant hence for human. plants, which are able to store heavy metals in their organs, can be used for phytoremediation of polluted soils and utilization of...

2009
Jing-Xiu Han Qi Shang Yu Du

Based on the available data obtained from the population investigating, the authors reviewed research articles of the study on analytical methods and exposure levels of cadmium (Cd) in population, the injury of target organ, the evolvement of sensitive index for surveillance, the study on effects of human disease and death for environmental Cd exposure, and the study on priority surveillance of...

2013
Alejandra Méndez-Hurtado René Rangel-Méndez Laura Yáñez-Espinosa Joel Flores

We investigated if seeds of Agave lechuguilla from contaminated sites with heavy metals were more tolerant to Cd ions than seeds from noncontaminated sites. Seeds from a highly contaminated site (Villa de la Paz) and from a noncontaminated site (Villa de Zaragoza) were evaluated. We tested the effect of Cd concentrations on several ecophysiological, morphological, genetical, and anatomical resp...

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