Heavy metals are necessary at low concentration for biological activity, but they often toxic microorganisms high concentrations. Amplicon sequencing of 16S rRNA and 18S was used to investigate changes in the bacterial microeukaryotic communities an activated sludge bioreactor incrementally contaminated with nickel (Ni), copper (Cu), zinc (Zn) IC 50 value ranging from 0% 100%, as previously det...

1886 CMAJ, November 8, 2011, 183(16) © 2011 Canadian Medical Association or its licensors Jusie (Yoo-sie) had many stories to tell and I only had an hour before I had to catch my flight back to Montréal. “I could tell you stories for two days,” he said, gesturing from the chair beside my desk. Jusie was 82 years old and had been referred to me for quite another matter. A small compact man with ...

Great attention is focused on the microbial treatment of metal contaminated environments. Three bacterial strains, 1C2, 1ZP4 and EC30, belonging to genera Cupriavidus, Sphingobacterium and Alcaligenes, respectively, showing high tolerance to Zn and Cd, up to concentrations of 1000ppm, were isolated from a contaminated area in Northern Portugal. Their contribution to Zn and Cd removal from aqueo...

The tenacious association between strains of the heterotrophic alphaproteobacterial genus Acidiphilium and chemolithotrophic iron oxidizing bacteria has long been known. In this context the genome of the heterotroph Acidiphilium sp. JA12-A1, an isolate from an iron oxidizing mixed culture derived from a pilot plant for bioremediation of acid mine drainage, was determined with the aim to reveal ...

This research aimed to use kiwi waste as fuel generate bioelectricity through microbial cells. It was possible an electrical current and voltage peaks of 3.807 ± 0.102 mA 0.993 0.061 V on day 11, showing conductivity 189.82 3.029 mS/cm optimum operating pH 5.966 0.121. The internal resistance the cells calculated using Ohm’s Law, resulting in a value 14.957 0.394 Ω, while maximum power density ...

D.K.Park, Sahng-Kyoon Yoo, Soo-Young Lee, Jae-Rok Kahng, Chang Soo Park, Eui-Soon Yim, and C.H.Lee a Department of Physics, Kyungnam University, Masan, 631-701, Korea b Department of Physics, Seonam University, Namwon, 590-170, Korea c Department of Physics, Korea University, Seoul, 136-701, Korea d Department of Physics, Dankook University, Cheonan, 330-180, Korea e Department of Physics, Semy...