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Full-Text Articles in Pharmacology, Toxicology and Environmental Health
Cadmium Accumulation And Distribution In Lettuce And Barley, Fardausi Akhter
Cadmium Accumulation And Distribution In Lettuce And Barley, Fardausi Akhter
Electronic Thesis and Dissertation Repository
Cadmium (Cd) is a non-essential trace element and its environmental concentrations are increasing due to human activities. Edible plants can accumulate high concentrations of Cd, which could be toxic to humans. Understanding how and where Cd is stored in plants is important for ensuring lower concentration of Cd in the food. In this thesis, the accumulation and distribution of Cd in three agricultural plants, namely lettuce (Lactuca sativa L.), barley (Hordeum vulgare L.) and radish (Raphanus sativus L.), were investigated with a focus on the potential mechanisms involved in the localization of Cd in the root. The …
Toxic Effects Of Copper, Cadmium, And Methoxychlor Shown By Neutral Red Retention Assay In Two Species Of Freshwater Molluscs, Nikolett Molnar, Peter Fong
Toxic Effects Of Copper, Cadmium, And Methoxychlor Shown By Neutral Red Retention Assay In Two Species Of Freshwater Molluscs, Nikolett Molnar, Peter Fong
Biology Faculty Publications
We used neutral red retention assay in lysosomes of digestive gland cells as an indicator for stress effects by the environmental contaminants Cu, Cd, and the pesticide methoxychlor in two freshwater molluscs, the unionid mussel, Elliptio complanata (Lightfoot) and the ramshorn snail Helisoma trivolvis (Say). Mussels and snails were exposed for 7 and 14 days to Cu and Cd each at nominal concentrations of 2.5 μg/L, 5.0 μg/L, and 10.0 μg/L, and to methoxychlor concentrations of 1.0 μg/L, 10.0μg/L, and 100.0 μg/L. Both mussels and snails exposed to Cu showed a significant increase in the percent of destabilized lysosomes compared …