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• Barek, J
• Fischer, J
• Navratil, T
• Peckova, K
• Yosypchuk, B
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• Fischer, J
• Navratil, T
• Peckova, K
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• Fischer, J
• Navratil, T
• Peckova, K
• Yosypchuk, B

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Sensors 2006, 6(4), 445-452; doi:10.3390/s6040445

Article

Silver Solid Amalgam Electrodes as Sensors for Chemical Carcinogens

Jiri Barek^1,* , Jan Fischer¹ , Tomas Navratil² , Karolina Peckova¹  and Bogdan Yosypchuk²

¹ UNESCO Laboratory of Environmental Electrochemistry, Department of Analytical Chemistry, Charles University, 128 43 Prague 2, Czech Republic ² J. Heyrovsky Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, Dolejskova 3, 182 23 Prague 8, Czech Republic

* Author to whom correspondence should be addressed.

Received: 30 August 2005 / Accepted: 4 January 2006 / Published: 7 April 2006

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Abstract: The applicability of differential pulse voltammetry (DPV) and adsorptivestripping voltammetry (AdSV) at a non-toxic meniscus-modified silver solid amalgamelectrode (m-AgSAE) for the determination of trace amounts of genotoxic substances wasdemonstrated on the determination of micromolar and submicromolar concentrations of3-nitrofluoranthene using methanol - 0.01 mol L^-1 NaOH (9:1) mixture as a base electrolyteand of Ostazine Orange using 0.01 mol L^-1 NaOH as a base electrolyte.

Keywords: Solid amalgam electrodes; voltammetry; carcinogens; 3-nitrofluoranthene; Ostazine Orange.

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