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Bioinorg Chem Appl. 2012; 2012: 156190.
Published online Sep 18, 2012. doi:  10.1155/2012/156190
PMCID: PMC3458410
Biosorption of Mercury (II) from Aqueous Solutions onto Fungal Biomass
Víctor M. Martínez-Juárez, 1 Juan F. Cárdenas-González, 2 María Eugenia Torre-Bouscoulet, 2 and Ismael Acosta-Rodríguez 2 *
1Área Académica de Medicina Veterinaria y Zootecnia, Instituto de Ciencias Agropecuarias, Universidad Autónoma del Estado de Hidalgo, Zona Universitaria, Rancho Universitario Km 1. C.P. 43600, Tulancingo de Bravo Hidalgo, Mexico
2Laboratorio de Micología Experimental, Centro de Investigación y de Estudios de Posgrado, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Avenida Dr. Manuel Nava No. 6, Zona Universitaria, 78320 San Luis Potosí, SLP, Mexico
*Ismael Acosta-Rodríguez: iacosta/at/
Academic Editor: Concepción López
Received April 30, 2012; Revised July 30, 2012; Accepted August 23, 2012.
The biosorption of mercury (II) on 14 fungal biomasses, Aspergillus flavus I–V, Aspergillus fumigatus I-II, Helminthosporium sp., Cladosporium sp., Mucor rouxii mutant, M. rouxii IM-80, Mucor sp 1 and 2, and Candida albicans, was studied in this work. It was found that the biomasses of the fungus M. rouxii IM-80, M. rouxii mutant, Mucor sp1, and Mucor sp 2 were very efficient removing the metal in solution, using dithizone, reaching the next percentage of removals: 95.3%, 88.7%, 80.4%, and 78.3%, respectively. The highest adsorption was obtained at pH 5.5, at 30°C after 24 hours of incubation, with 1 g/100 mL of fungal biomass.
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