1- Davis, T.A., Volesky, B., and Vieira, R.H.S.F. (2000). “Sargassum seaweed as biosorbent for heavy metals.” Water Research, 34, (17) 4270-4278.
2- Sen Gupta, S., and Bhattacharyya, K.G. (2008). “Immobilization of Pb(II), Cd(II) and Ni(II) ions on kaolinite and montmorillonite surfaces from aqueous medium.” J. of Environmental Management, 87 (1), 46-58.
3- Sreejalekshmi, K.G., Krishnan, K.A., and Anirudhan, T.S. (2002). “Adsorption of Pb(II) and Pb(II)-citric acid on sawdust activated carbon: Kinetic and equilibrium isotherm studies.” J. of Hazardous Materials, 161
(2-3), 1506-1513.
4- Shafaei, A., Ashtiani, F.Z., and Kaghazchi, T. (2007). “Equilibrium studies of the sorption of Hg(II) ions onto chitosan.” J. of Chemical Engineering, 133 (1-3), 311-316.
5- Lohani, M.B., Singh, A., Rupainwar, D.C., and Dhar, D.N. (2008). “Studies on efficiency of guava (Psidium guajava) bark as bioadsorbent for removal of Hg(II) from aqueous solutions.” J. of Hazardous Materials, 159 (2-3) 626-629.
6- Febrianto, J., Kosasih, A. N., Sunarso, J., Ju, Y. H., Indraswati, N., and Ismadji, S. (2009). “Equilibrium and kinetic studies in adsorption of heavy metals using biosorbent: A summary of recent studies.”
J. of Hazardous Materials, 162 (2-3), 616-645.
7- Ghorbani, F., and Younesi, H. (2008). “Biosorption of cadmium(II) Ions by Saccharomyces cerevisiae biomass from aqueous solutions.” Water and Wastewater, 68, 33-39.
8- Donia, A.M., Atia, A.A., Moussa, E. M. M., El-Sherif, A. M., and Abd El-Magied, M.O. (2009). “Removal of uranium(VI) from aqueous solutions using glycidyl methacrylate chelating resins.” Hydrometallurgy, 95
(3-4), 183-189.
9- Jaramillo, J., Gَmez-Serrano, V., and Lvarez, P.M. (2009). “Enhanced adsorption of metal ions onto functionalized granular activated carbons prepared from cherry stones.” J. of Hazardous Materials, 161
(2-3), 670-676.
10- Chutia, P., Kato, S., Kojima, T., and Satokawa, S. (2009). “Arsenic adsorption from aqueous solution on synthetic zeolites.” J. of Hazardous Materials, 162 (1), 440-447.
11- Mangrulkar, P.A., Kamble, S.P., Meshram, J., and Rayalu, S.S. (2008). “Adsorption of phenol and
o-chlorophenol by mesoporous MCM-41.” J. of Hazardous Materials, 160 (2-3), 414-421.
12- Lam, K.F., Yeung, K.L., and McKay, G. (2007). “Efficient approach for Cd2+ and Ni2+ removal and recovery using mesoporous adsorbent with tunable selectivity.” Environmental Science and Technology, 41 (9),
3329-3334.
13- Algarra, M., Jiménez, M. V., Rodríguez-Castellón, E., Jiménez-López, A., and Jiménez-Jiménez, J. (2005). “Heavy metals removal from electroplating wastewater by aminopropyl-Si MCM-41.” Chemosphere, 59 (6), 779-786.
14- Mehraban, Z., Farzaneh, F. (2006). “MCM-41 as selective separator of chlorophyll-a from [beta]-carotene and chlorophyll-a mixture.” Microporous and Mesoporous Materials, 88 (1-3), 84-90.
15- Ho, K. Y., McKay, G., and Yeung, K.L. (2003). “Selective adsorbents from ordered mesoporous silica.” Langmuir, 19 (7), 3019-3024.
16- Vasconcelos, H. L., Camargo, T. P., Gonçalves, N. S., Neves, A., Laranjeira, M. C. M., and Fávere, V.T. (2008). “Chitosan crosslinked with a metal complexing agent: synthesis, characterization and copper(II) ions adsorption.” Reactive and Functional Polymers, 68 (2), 572-579.
17- Ghorbani, F., Younesi, H., Ghasempouri, S. M., Zinatizadeh, A. A., Amini, M., and Daneshi, A. (2008). “Application of response surface methodology for optimization of cadmium biosorption in an aqueous solution by Saccharomyces cerevisiae.” J. of Chemical Engineering, 145 (2), 267-275.
18- Grün, M., Unger, K. K., Matsumoto, A., and Tsutsumi, K. (1999). “Novel pathways for the preparation of mesoporous MCM-41 materials: control of porosity and morphology.” Microporous and Mesoporous Materials, 27 (2-3), 207-216.
19- Kumar, R., Bishnoi, N. R., Garima, and Bishnoi, K. G. (2008). “Biosorption of chromium(VI) from aqueous solution and electroplating wastewater using fungal biomass.” J. of Chemical Engineering, 135 (3), 202-208.
20- Sengil, I.A., and Özacar, M. (2009). “Competitive biosorption of Pb2+, Cu2+ and Zn2+ ions from aqueous solutions onto valonia tannin resin.” J. of Hazardous Materials, 166 (2-3), 1488-1494.
21- Bois, L., Bonhommé, A., Ribes, A., Pais, B., Raffin, G., and Tessier, F. (2003). “Functionalized silica for heavy metal ions adsorption, Colloids and Surfaces A , 221 (1-3), 221-230.
22- Mureseanu, M., Reiss, A., Stefanescu, I., David, E., Parvulescu, V., Renard, G., and Hulea, V. (2008). “Modified SBA-15 mesoporous silica for heavy metal ions remediation.” Chemosphere, 73 (9), 1499-1504.
23- Perez-Quintanilla, D., Del Hierro, I., Fajardo, M., and Sierra, I. (2006). “Adsorption of cadmium(II) from aqueous media onto a mesoporous silica chemically modified with 2-mercaptopyrimidine.” J. of Materials Chemistry, 16 (18), 1757-1764.