[Silva, R. M. P., Rodriguez, A. A., De Oca, J. M. G. M. & Moreno, D. C. (2009). Biosorption of chromium, copper, manganese and zinc by Pseudomonas aeruginosa AT18 isolated from a site contaminated with petroleum. Bioresources Technol. 100, 1533-1538. DOI: 10.1016/j.biortech.2008.06.057.10.1016/j.biortech.2008.06.057]Search in Google Scholar
[Cabuk, A., Akar, T., Tunali. S. & Tabak, O. (2006). Biosorption characteristic of Bacillus sp. ATS-2 immobilized in silica gel for removal of Pb(II). J. Hazard. Mater. 136, 317-323. DOI: 10.1016/j.hazmat.2005.12.019.]Search in Google Scholar
[Choi, A., Wang, S. & Lee, M. (2009). Biosorption of cadmium, copper, and lead ions from aqueous solution by Ralstonia sp. and Bacillus sp. isolated from diesel and heavy metal contaminated soil. Geosci. J. 13(4), 331-341. DOI: 10.1007/s12303-009-0031-3.10.1007/s12303-009-0031-3]Search in Google Scholar
[Vijayaraghavan, K. & Yun, Y-S. (2008). Bacterial biosorbents and biosorption. Biotechnol. Adv. 26, 266-291. DOI: 10.1016/j.biotechadv.2008.02.002.10.1016/j.biotechadv.2008.02.002]Search in Google Scholar
[Kratochvil, D. & Volesky, B. (1998). Advances in the biosorption of heavy metals. Trends Biotechmol. 16, 291-300. DOI: 10.1016/S0167-7799(98)01218-9.10.1016/S0167-7799(98)01218-9]Search in Google Scholar
[Goyal, N., Jain, S. C. & Banerjee, U. C. (2003). Comparative studies on the microbial adsorption of heavy meals. Adv. Environ. Res. 7, 311-319. DOI: 10.1016/S1093-0191(02)00004-7.10.1016/S1093-0191(02)00004-7]Search in Google Scholar
[Sneath, P. H. A., Mair, N. S., Sharpe, M. E. & Holt, J. G. (1986). Bergey's Manual of Systematic Bacteriology Volume 2. Williams & Wilkins, Baltimore.]Search in Google Scholar
[Congeevaram, S., Dhanarani, S., Park, J., Dexilin, M. & Thamaraiselvi, K. (2007). Biosorption of chromium and nickel by heavy metal resistant fungal and bacterial isolates. J. Hazard. Mater. 146, 270-277. DOI: 10.1016/j.hazmat.2006.12.017.]Search in Google Scholar
[Lopez, A., Lazaro, N., Priego, J. M. & Marques, A. M. (2000). Effect of pH on the biosorp-tion of nickel and other heavy metals by Pseudomonas fluorescens 4F39. J. Ind. Microbiol. Biot. 24, 146-151. DOI: 10.1038/sj.jim.2900793.10.1038/sj.jim.2900793]Search in Google Scholar
[Puranik, P. R. & Paknikar, K. M. (1999). Influence of co-cations on biosorption of lead and zinc-a comparative evaluation in binary and multimetal systems. Bioresource Technol. 70, 269-276. DOI: 10.1016/S0960-8524(99)00037-1.10.1016/S0960-8524(99)00037-1]Search in Google Scholar
[Gabr, R. M., Hassan, S. H. A. & Shoreit, A. A. M. (2008). Biororption of lead and nickel by living and non-living cells of Pseudomonas aeruginosa ASU 6a. Int. Biodeter. Biodegr. 62, 195-203. DOI: 10.1016/j.biod.2008.01.008.]Search in Google Scholar
[Seki, H., Suzuki, A. & Mitsueda, S. I. (1998). Biosorption of heavy metal ions on Rhodobacter sphaeroides and Alcaligenes eutrophus H16. J. Colloid Interf. Sci. 197, 185-190. DOI: 10.1006/jcis.1997.5284.10.1006/jcis.1997.5284]Search in Google Scholar
[Fowle, D. A. & Fein, J. B. (1999). Competitive adsorption of metal cations onto two gram positive bacteria: testing the chemical equilibrium model. Geochim. Cosmochim. Ac. 63(19/20), 3059-3067. DOI:10.1016/S0016-7037(99)00233-1.10.1016/S0016-7037(99)00233-1]Search in Google Scholar
[Liu, Y., Cao, Q., Luo, F. & Chen, J. (2009). Biosorption of Cd2+, Cu2+, Ni2+, and Zn2+ ions from aqueous solutions by pretreated biomass of brown algae. J. Hazard. Mater. 163, 931-938. DOI: 10.1016/j.hazmat.2008.07.046.]Search in Google Scholar
[Hasan, S., Hashim, M. A. & Gupta, B. S. (2000). Adsorption of Ni(SO4) on Malaysian rubber-wood ash. Bioresource Technol. 72, 153-158. DOI:10.1016/S0960-8524(99)00101-7.10.1016/S0960-8524(99)00101-7]Search in Google Scholar
[El-Sersy, N. A. & El-Sharouny, E. E. (2007). Nickel biosorption by free and immobilized cells of marine Bacillus subtilis N10. Biotechnol. 6(3), 316-321. DOI:10.3923/biotech.2007.316.321.10.3923/biotech.2007.316.321]Search in Google Scholar
[Kaewchai, S. & Prasertsan, P. (2002). Biosorption of heavy metal by termotolerant polymer-producing bacterial cells and the bioflocculant. Songklanakarin J. Sci. Technol. 24(3) 421-430.]Search in Google Scholar
[Lopez, A., Lazaro, N., Morales, S. & Marques, A. M. (2002). Nickel biosorption by free and immobilized cells of Pseudomonas fluorescens 4F39: a comparative study. Water Air Soil Poll. 135, 157-172. DOI:10.1023/A:1014706827124.10.1023/A:1014706827124]Search in Google Scholar
[Chen, C. X., Wang, P. Y., Lin, Q., Shi, Y. J., Wu, W. X. & Chen, Y. X. (2005). Biosorption of copper(II) and zinc(II) from aqueous solution by Pseudomonas putida CZ1. Colloid. Surface. B. 46, 101-107. DOI:10.1016/j.colsurfb.2005.10.00310.1016/j.colsurfb.2005.10.003]Search in Google Scholar
[Chang, J-S., Law, R. & Chang, Ch-Ch. (1997). Biosorption of lead, copper and cadmium by biomass of Pseudomonas aeruginosa PU21. Water Res. 31(7), 1651-1658. DOI:10.1016/S0043-1354(97)00008-0.10.1016/S0043-1354(97)00008-0]Search in Google Scholar
[Zaidi, S. & Musarrat, J. (2004). Characterization and nickel sorption kinetics of a new metal hyper-accumulator Bacillus sp. J. Environ. Sci. Heal. A. 39(3), 681-691. DOI:10.1081/ESE-120027734.10.1081/ESE-12002773415055934]Search in Google Scholar