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In this paper, we report on an investigation of affecting guppy fishes (Poecilia reticulata) by silver ions (0, 0.3, 0.6, 1.2, 2.5, and 5 muM) for seven days under well-controlled experimental conditions. To observe the physiological changes, we attempted to determine metallothionein (MT) as a biomarker of heavy metal stress. For this purpose, we proposed a sensor utilizing a carbon electrode coupled...
Metallothionein (MT) belongs to group of intracellular, high molecular and cysteine-rich proteins. Thanks to its high affinity to heavy metals, the main function of this protein is maintaining homeostasis and detoxification of heavy metals. Thus, this protein is thought to be biomarker of heavy metal pollution. The adsorptive transfer stripping technique in connection with differential pulse voltammetry...
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