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Butadiene (BD) is an important industrial chemical classified as a probable human carcinogen. Marked species differences in susceptibility to the carcinogenic effects of BD have been observed, possibly due to the differences in its metabolism. In this work, guanine and adenine adducts formed by the reactive metabolites of BD in vitro were isolated and structurally characterized by UV spectroscopy,...
A new poly(vinyl chloride) membrane electrode based on lipophilic 2,9,16,23-tetra-tert-butylphthalocyanine-cobalt is described which demonstrates excellent selectivity toward the nitrite ion. The resulting electrodes displayed a near-Nernstian response for nitrite in the concentration range 10 -5 -0.1 M with the selectivity sequence nitrite > thiocyanate > iodide > perchlorate...
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