Michael Giannetto

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N2 fixation should be a critical process in the nitrogen-poor surface water of the eastern Mediterranean Sea. Despite favorable conditions, diazotroph abundance and N2 fixation rates remains low for reasons yet explained. The main goal of this study was to investigate the limiting nutrients for diazotrophy in this oligotrophic environment. Hence, we(More)
In natural sediments, chromium (Cr) exists mainly under two oxidation states: chromium three and chromium six. The latter form of chromium is more mobile and more toxic, causing cancer, liver damage, and other health issues. In fact, Erin Brockovich famously exposed a natural gas company for polluting drinking water with Cr(VI), leading to the largest legal(More)
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