1. WHO Fact sheet, Available at
  2. S.S. Khaloo, M. Torabbeigi, R.K. Jazani, M. Douraghi, Z. Ghalavand, Laboratory waste minimization by recovery of silver as nano-silver colloidal dispersion from waste silver chloride, J. Mater. Cycles Waste Manage., 15 (2013) 342–347.
  3. M.S. Melchiors, M. Piovesan, V.R. Becegato, V.A. Becegato, E.B. Tambourgi, A.T. Paulino, Treatment of wastewater from the dairy industry using electroflocculation and solid whey recovery, J. Environ. Manage., 182 (2016) 574–580.
  4. S. Chong, G. Zhang, H. Tian, H. Zhao, Rapid degradation of dyes in water by magnetic Fe0/Fe3O4/graphene composites, J. Environ. Sci., 44 (2016) 148–157.
  5. G. Safari, M. Hosseini, M. Seyed-Salehi, H. Kamani, J. Jaafari, A. Mahvi, Photocatalytic degradation of tetracycline using nanosized titanium dioxide in aqueous solution, Int. J. Environ. Sci. Technol., 12 (2015) 603–616.
  6. A. Dalvand, R. Nabizadeh, M. Reza Ganjali, M. Khoobi, S. Nazmara, A. Hossein Mahvi, Modeling of Reactive Blue 19 azo dye removal from colored textile wastewater using L-arginine-functionalized Fe3O4 nanoparticles: Optimization, reusability, kinetic and equilibrium studies, J. Magn. Magn. Mater., 404 (2016) 179–189.
  7. M. Shirmardi, A.H. Mahvi, B. Hashemzadeh, A. Naeimabadi, G. Hassani, M.V. Niri, The adsorption of malachite green (MG) as a cationic dye onto functionalized multi walled carbon nanotubes, Korean J. Chem. Eng., 30 (2013) 1603–1608.
  8. A. Takdastan, A.H. Mahvi, E.C. Lima, M. Shirmardi, A.A. Babaei, G. Goudarzi, A. Neisi, M. Heidari Farsani, M. Vosoughi, Preparation, characterization, and application of activated carbon from low-cost material for the adsorption of tetracycline antibiotic from aqueous solutions, Water Sci. Technol., 74 (2016) 2349–2363.
  9. M. Shirmardi, A.H. Mahvi, A. Mesdaghinia, S. Nasseri, R. Nabizadeh, Adsorption of acid red18 dye from aqueous solution using single-wall carbon nanotubes: kinetic and equilibrium, Desal. Wat. Treat., 51 (2013) 6507–6516.
  10. J.G. Yu, L.Y. Yu, H. Yang, Q. Liu, X.H. Chen, X.Y. Jiang, X.Q. Chen, F.P. Jiao, Graphene nanosheets as novel adsorbents in adsorption, preconcentration and removal of gases, organic compounds and metal ions, Sci. Total Environ., 502 (2015) 70–79.
  11. N. Xiao, D. Lau, W. Shi, J. Zhu, X. Dong, H.H. Huang, Q. Yan, A simple process to prepare nitrogen-modified few-layer graphene for a supercapacitor electrode, Carbon, 57 (2013) 184–190.
  12. S. Benítez-Martínez, M. Valcárcel, Graphene quantum dots in analytical science, TrAC, Trends Anal. Chem., 72 (2015) 93–113.
  13. F. Liu, Y. Piao, J.S. Choi, T.S. Seo, Three-dimensional graphene micropillar based electrochemical sensor for phenol detection, Biosens. Bioelectron., 50 (2013) 387–392.
  14. E. Song, D. Cheng, Y. Song, M. Jiang, J. Yu, Y. Wang, A graphene oxide-based FRET sensor for rapid and sensitive detection of matrix metalloproteinase 2 in a human serum sample, Biosens. Bioelectron., 47 (2013) 445–450.
  15. M. Li, W. Xu, W. Wang, Y. Liu, B. Cui, X. Guo, Facile synthesis of specific FeMnO3 hollow sphere/graphene composites and their superior electrochemical energy storage performances for supercapacitor, J. Power Sources, 248 (2014) 465–473.
  16. H. Zhou, G. Han, D. Fu, Y. Chang, Y. Xiao, H.-J. Zhai, Petalshaped poly(3,4-ethylenedioxythiophene)/sodium dodecyl sulfate-graphene oxide intercalation composites for highperformance electrochemical energy storage, J. Power Sources, 272 (2014) 203–210.
  17. A.A. Ensafi, M. Jafari-Asl, B. Rezaei, A new strategy for the synthesis of 3-D Pt nanoparticles on reduced graphene oxide through surface functionalization, Application for methanol oxidation and oxygen reduction, Electrochim. Acta, 130 (2014) 397–405.
  18. S. Yang, G. Wang, G. Li, J. Du, L. Qu, Decoration of graphene modified carbon paste electrode with flower-globular terbium hexacyanoferrate for nanomolar detection of rutin, Electrochim. Acta, 144 (2014) 268–274.
  19. M.G. Kochameshki, A. Marjani, M. Mahmoudian, K. Farhadi, Grafting of diallyldimethylammonium chloride on graphene oxide by RAFT polymerization for modification of nanocomposite polysulfone membranes using in water treatment, Chem. Eng. J., 309 (2017) 206–221.
  20. S.H. Ryu, A.M. Shanmugharaj, Influence of long-chain alkylamine-modified graphene oxide on the crystallization, mechanical and electrical properties of isotactic polypropylene nanocomposites, Chem. Eng. J., 244 (2014) 552–560.
  21. L.Z. Liu, S.B. Tian, Y.Z. Long, W.X. Li, H.F. Yang, J.J. Li, C.Z. Gu, Tunable periodic graphene antidot lattices fabricated by e-beam lithography and oxygen ion etching, Vacuum, 105 (2014) 21–25.
  22. L. Liu, X. Yue, J. Zhao, Q. Cheng, J. Tang, Graphene antidot lattices as potential electrode materials for supercapacitors, Physica E Low-dimens. Syst. Nanostruct., 69 (2015) 316–321.
  23. S.S. Khaloo, M.A. Marzaleh, M. Kavousian, S.B. Gendeshmin, Graphene oxide coated wad as a new sorbent in fixed bed column for the removal of crystal violet from contaminated water, Sep. Sci. Technol., 51 (2016) 1–10.
  24. T. Qi, C. Huang, S. Yan, X.-J. Li, S.-Y. Pan, Synthesis, characterization and adsorption properties of magnetite/reduced graphene oxide nanocomposites, Talanta, 144 (2015) 1116–1124.
  25. K. Ouyang, C. Zhu, Y. Zhao, L. Wang, S. Xie, Q. Wang, Adsorption mechanism of magnetically separable Fe3O4/graphene oxide hybrids, Appl. Surf. Sci., 355 (2015) 562–569.
  26. P.J. Robinson, P. Dunnill, M.D. Lilly, The properties of magnetic supports in relation to immobilized enzyme reactors, Biotechnol. Bioeng., 15 (1973) 603–606.
  27. N.T.V. Hoan, N.T.A. Thu, H.V. Duc, N.D. Cuong, D.Q. Khieu, V. Vo, Fe3O4/reduced graphene oxide nanocomposite: synthesis and its application for toxic metal ion removal, J. Chem., 2016 (2016) 10.
  28. S.E. Moradi, Highly efficient removal of amoxicillin from water by magnetic graphene oxide adsorbent, Chem. Bull. Politehnica Univ. (Timisoara), 60 (2015) 41–48.
  29. H. Ting, K. Lingyu, G. Xiaoyu, W. Yiping, W. Feng, W. Ying, Y. Haifeng, Magnetic ferrous-doped graphene for improving Cr(VI) removal, Mater. Res. Express, 3 (2016) 045006.
  30. S.S. Khaloo, A.H. Matin, S. Sharifi, M. Fadaeinia, N. Kazempour, S. Mirzadeh, Equilibrium, kinetic and thermodynamic studies of mercury adsorption on almond shell, Water Sci. Technol., 65 (2012) 1341–1349.
  31. A.A. Babaei, E.C. Lima, A. Takdastan, N. Alavi, G. Goudarzi, M. Vosoughi, G. Hassani, M. Shirmardi, Removal of tetracycline antibiotic from contaminated water media by multi-walled carbon nanotubes: operational variables, kinetics, and equilibrium studies, Water Sci. Technol., 74 (2016) 1202–1216.
  32. G. Lujaniene, S. Semcuk, A. Lecinskyte, I. Kulakauskaite, K. Mazeika, D. Valiulis, V. Pakstas, M. Skapas, S. Tumenas, Magnetic graphene oxide based nano-composites for removal of radionuclides and metals from contaminated solutions, J. Environ. Radio., 166 (2017) 166–174.
  33. E.C. Salihi, J.B. Wang, D.J.L. Coleman, L. Siller, Enhanced removal of nickel(II) ions from aqueous solutions by SDS-functionalized graphene oxide, Sep. Sci. Technol., 51 (2016) 1317–1327.
  34. Y.M. Ren, N. Yan, Q. Wen, Z.J. Fan, T. Wei, M.L. Zhang, J. Ma, Graphene/delta-MnO2 composite as adsorbent for the removal of nickel ions from wastewater, Chem. Eng. J., 175 (2011) 1–7.
  35. D. Nandi, I. Saha, S.S. Ray, A. Maity, Development of a reducedgraphene- oxide based superparamagnetic nanocomposite for the removal of nickel (II) from an aqueous medium via a fluorescence sensor platform, J. Colloid Interface Sci., 454 (2015) 69–79.
  36. M.C. Liu, C.L. Chen, J. Hu, X.L. Wu, X.K. Wang, Synthesis of magnetite/graphene oxide composite and application for cobalt(II) removal, J. Phys. Chem. C, 115 (2011) 25234–25240.
  37. W.C. Song, J. Hu, Y. Zhao, D.D. Shao, J.X. Li, Efficient removal of cobalt from aqueous solution using beta-cyclodextrin modified graphene oxide, RSC Adv., 3 (2013) 9514–9521.
  38. F. Fang, L.T. Kong, J.R. Huang, S.B. Wu, K.S. Zhang, X.L. Wang, B. Sun, Z. Jin, J. Wang, X.J. Huang, J.H. Liu, Removal of cobalt ions from aqueous solution by an amination graphene oxide nanocomposite, J. Hazard. Mater., 270 (2014) 1–10.
  39. R. Sahraei, K. Hemmati, M. Ghaemy, Adsorptive removal of toxic metals and cationic dyes by magnetic adsorbent based on functionalized graphene oxide from water, RSC Adv., 6 (2016) 72487–72499.
  40. L.L. Fan, C.N. Luo, M. Sun, H.M. Qiu, X.J. Li, Synthesis of magnetic beta-cyclodextrin-chitosan/graphene oxide as nanoadsorbent and its application in dye adsorption and removal, Colloid. Surf. B-Biointerf., 103 (2013) 601–607.
  41. S. Bai, X.P. Shen, X. Zhong, Y. Liu, G.X. Zhu, X. Xu, K.M. Chen, One-pot solvothermal preparation of magnetic reduced graphene oxide-ferrite hybrids for organic dye removal, Carbon, 50 (2012) 2337–2346.
  42. Y.F. Guo, J. Deng, J.Y. Zhu, X.J. Zhou, R.B. Bai, Removal of mercury(II) and methylene blue from a wastewater environment with magnetic graphene oxide: adsorption kinetics, isotherms and mechanism, RSC Adv., 6 (2016) 82523–82536.
  43. Y. Yildiz, T.O. Okyay, B. Sen, B. Gezer, S. Kuzu, A. Savk, E. Demir, Z. Dasdelen, H. Sert, F. Sen, Highly monodisperse Pt/Rh nanoparticles confined in the graphene oxide for highly efficient and reusable sorbents for methylene blue removal from aqueous solutions, Chemistry Select, 2 (2017) 697–701.
  44. N.N. Liao, Z.S. Liu, W.J. Zhang, S.G. Gong, D.M. Ren, L.J. Ke, K. Lin, H. Yang, F. He, H.L. Jiang, Preparation of a novel Fe3O4/graphene oxide hybrid for adsorptive removal of methylene blue from water, J. Macromol. Sci. Part A Pure Appl. Chem., 53 (2016) 276–281.