References

1. A. Ahmad, S.H. Mohd-Setapar, C.S. Chuong, A. Khatoona, W.A. Wanic, R. Kumard, M. Rafatullah, Recent advances in new generation dye removal technologies: novel search for approaches to reprocess wastewater, RSC Adv., 5 (2015) 30801–30818.
2. M.T. Yagub, T.K. Sen, S. Afroze, H.M. Ang, Dye and its removal from aqueous solution by adsorption: A review, Adv. Colloid Interfac., 209 (2014) 172–184.
3. Z. Yang, F. Wang, C. Zhang, G. Zeng, X. Tan, Z. Yu, Y. Zhong, H. Wang, F. Cui, Utilization of LDH-based materials as potential adsorbents and photocatalysts for the decontamination of dyes wastewater: a review, RSC Adv., 6 (2016) 79415–79436.
4. L. Pan, K. Jia, Y. Huang, X. Liu, Formation of organometallic microstructures via self-assembling of carboxylated zinc phthalocyanines with selective adsorption and visible lightdriven photodegradation of cationic dyes, J. Mater. Sci., 53 (2018) 492–505.
5. L. Yao, L. Zhang, R. Wang, S. Chou, Z.L. Dong, A new integrated approach for dye removal from wastewater by polyoxometalates functionalized membranes, J. Hazard Mater., 301 (2016) 462–470.
6. J. Paul, A.A. Kadam, S.P. Govindwar, P. Kumar, L. Varshney, An insight into the influence of low dose irradiation pretreatment on the microbial decolouration and degradation of reactive red-120 dye, Chemosphere, 90 (2013) 1348–1358.
7. C. Yang, Q. Li, L. Tang, A. Bai, H. Song, Y. Yu, Monodispersed colloidal zinc oxide nanospheres with various size scales: synthesis, formation mechanism, and enhanced photocatalytic activity, J. Mater. Sci., 51 (2016) 5445–5459.
8. J. Lin, Y. Teng, Y. Lu, S. Lu, X. Hao, D. Cheng, Usage of hydrophobic ionic liquid [BMIM][PF6] for recovery of acid dye from wastewater and sequential application in Tussah silk dyeing, CLEAN-Soil, Air, Water, 42 (2014) 799–803.
9. M.C. Gutiérrez, M. Pepió, M. Crespi, Electrochemical oxidation of reactive dyes: method validation and application, Color. Technol., 118 (2002) 1–5.
10. P.A. Soloman, C.A. Basha, M. Velan, V. Ramamurthi, K. Koteeswaran, N. Balasubramanian, Electrochemical degradation of Remazol Black B dye effluent, CLEAN-Soil, Air, Water, 37 (2009) 889–900.
11. K. Okaiyeto, U.U. Nwodo, S.A. Okoli, L.V. Mabinya, A.I. Okoh, Implications for public health demands alternatives to inorganic and synthetic flocculants: bioflocculants as important candidates, Microbiologyopen, 5 (2016) 177–211.
12. A.M. El-Dein, J. Libra, U. Wiesmann, Cost analysis for the degradation of highly concentrated textile dye wastewater with chemical oxidation H₂O₂/UV and biological treatment, J. Chem. Technol. Biot., 81 (2006) 1239–1245.
13. G.A. Grande, G. Rovero, S. Sicardi, M. Giansetti, Degradation of residual dyes in textile wastewater by ozone: Comparison between mixed and bubble column reactors, Can. J. Chem. Eng., 95 (2017) 297–306.
14. M.T. Yagub, T.K. Sen, S. Afroze, H.M. Ang, Dye and its removal from aqueous solution by adsorption: a review, Adv. Colloid Interface, 209 (2014) 172–184.
15. L. Sun, J. He, S. An, J. Zhang, J. Zheng, D. Ren, Recyclable Fe₃O₄@SiO₂-Ag magnetic nanospheres for the rapid decolorizing of dye pollutants, Chinese J. Catal., 34 (2013) 1378–1385.
16. A. Mathew, T. Pradeep, Noble metal clusters: applications in energy, environment, and biology, Part Part Syst. Char., 31 (2104) 1017–1053.
17. J. Li, L. Tan, G. Wang, M. Yang, Synthesis of double-shelled sea urchin-like yolk-shell Fe₃O₄/TiO₂/Au microspheres and their catalytic applications, Nanotechnology, 26 (2015) 095601.
18. Z.-Z. Wang, S.-R. Zhai, F. Zhang, Z.-Y. Xiao, B. Zhai, Q.-D. An, “Green” synthesis of magnetic core-shell Fe₃O₄@SN-Ag towards efficient reduction of 4-nitrophenol, J. Sol-Gel. Sci. Techn., 73 (2015) 299–305.
19. F. Yang, C. Wang, L. Wang, C. Liu, A. Feng, X. Liu, C. Chi, X. Jia, L. Zhang, Y. Li, Au/graphene oxide/carbon nanotube flexible catalyst film: synthesis, characterization and its application for catalytic reduction of 4-nitrophenol, RSC Adv., 5 (2015) 37710–37715.
20. Z. Cheng, S. Zhao, Z. Han, Y. Zhang, X. Zhao, L. Kang, A novel preparation of Ag@TiO₂ tubes and their potent photocatalytic degradation efficiency, Cryst. Eng. Comm., 18 (2016) 8756–8761.
21. S. Zhao, Z. Cheng, L. Kang, M. Li, Z. Gao, The facile preparation of Ag decorated TiO₂/ZnO nanotubes and their potent photocatalytic degradation efficiency, RSC Adv., 7 (2017) 50064–50071.
22. Y. Liu, X. Chen, M. Zhu, U. Jameel, Recent progress of synthesis and application in Au@MOFs hybrid materials, Catal. Surv. Asia., 21 (2017) 130–142.
23. S.M. El-Sheikh, A.A. Ismail, J.F. Al-Sharab, Catalytic reduction of p-nitrophenol over precious metals/highly ordered mesoporous silica, New J. Chem., 37 (2013) 2399–2407.
24. Z.-Z. Wang, S.-R. Zhai, B. Zhai, Q.-D. An, S.-W. Li, In situ reduction and stabilization of Ag NPs onto magnetic composites for rapid hydrogenation catalysis, J. Sol-Gel. Sci. Techn., 75 (2015) 680–692.
25. J. Zhang, S. Zhai, S. Li, Z. Xiao, Y. Song, Q. An, G. Tian, Pb(II) removal of Fe₃O₄@SiO₂-NH₂ core-shell nanomaterials prepared via a controllable sol-gel process, Chem. Eng. J, 215 (2013) 461–471.
26. H. Lee, S.M. Dellatore, W.M. Miller, P.B. Messersmith, Mussel-inspired surface chemistry for multifunctional coatings, Science, 318 (2007) 426–430.
27. H. Sun, X. Yang, Y. Zhang, X. Cheng, Y. Xu, Y. Bai, L. Shao, Segregation-induced in situ hydrophilic modification of poly(vinylidene fluoride) ultrafiltration membranes via sticky poly(ethylene glycol) blending, J. Membrane Sci., 563 (2018) 22–30.
28. J. Fu, Z. Chen, M. Wang, S. Liu, J. Zhang, J. Zhang, R. Han, Q. Xu, Adsorption of methylene blue by a high-efficiency adsorbent (polydopamine microspheres): kinetics, isotherm, thermodynamics and mechanism analysis, Chem. Eng. J., 259 (2015) 53–61.
29. H. Gao, Y. Sun, J. Zhou, R. Xu, H. Duan, Mussel-inspired synthesis of polydopamine-functionalized graphene hydrogel as reusable adsorbents for water purification, ACS Appl. Mater. Interfaces, 5 (2013) 425–432.
30. H.-C. Yang, K.-J. Liao, H. Huang, Q.-Y. Wu, L.-S. Wan, Z.-K. Xu, Mussel-inspired modification of a polymer membrane for ultra-high water permeability and oil-in-water emulsion separation, J. Mater. Chem. A, 2 (2014) 10225–10230.
31. J. Manna, S. Akbayrak, S. Özkar, Palladium(0) nanoparticles supported on polydopamine coated Fe₃O₄ as magnetically isolable, highly active and reusable catalysts for hydrolytic dehydrogenation of ammonia borane, RSC Adv., 6 (2016) 102035–102042.
32. Q. Liu, N. Sun, M. Gao, C. Deng, Magnetic binary metal-organic framework as a novel affinity probe for highly selective capture of endogenous phosphopeptides, ACS Sustainable Chem. Eng., 6 (2018) 4382–4389.
33. Y. Xie, B. Yan, H. Xu, J. Chen, Q. Liu, Y. Deng, H. Zeng, Highly regenerable mussel-inspired Fe₃O₄@polydopamine-Ag coreshell microspheres as catalyst and adsorbent for methylene blue removal, ACS Appl. Mater. Interfaces, 6 (2014) 8845–8852.
34. Q. Dong, C. Bi, L. Chang, Controllable preparation and study of Fe₃O₄, Guangdong Chemical Industry, 42 (2015) 4–6.
35. Q. Yue, M. Wang, Z. Sun, C. Wang, C. Wang, Y. Deng, D. Zhao, A versatile ethanol-mediated polymerization of dopamine for efficient surface modification and the construction of functional core-shell nanostructures, J. Mater. Chem. B, 1 (2013) 6085–6093.
36. B.-Q. Mao, Q.-D. An, Z.-Y. Xiao, S.-R. Zhai, Hydrophilic, hollow Fe₃O₄@PDA spheres with a storage cavity for efficient removal of polycyclic structured tetracycline, New J. Chem., 41 (2017) 1235–1244.
37. Y. Wei, B. Han, X. Hua, Y. Lin, X. Wang, X. Deng, Synthesis of Fe₃O₄ nanoparticles and their magnetic properties, Procedia Engineering, 27 (2012) 632–637.
38. Y. Wang, S. Wang, H. Niu, Y. Ma, T. Zeng, Y. Cai, Z. Meng, Preparation of polydopamine coated Fe₃O₄ nanoparticles and their application for enrichment of polycyclic aromatic hydrocarbons from environmental water samples, J. Chromatogr. A, 1283 (2013) 20–26.
39. B. Zheng, T.-W. Chen, F.-N. Xiao, W.-J. Bao, X.-H. Xia, KOH-activated nitrogen-doped graphene by means of thermal annealing for supercapacitor, J. Solid State Electr., 17 (2013) 1809–1814.
40. O. Duman, S. Tunç, T.G. Polat, B.K. Bozoğlan, Synthesis of magnetic oxidized multiwalled carbon nanotube-κ-carrageenan-Fe₃O₄ nanocomposite adsorbent and its application in cationic Methylene Blue dye adsorption, Carbohyd. Polym., 147 (2016) 79–88 .
41. O. Duman, S. Tunç, B.K. Bozoğlan, T.G. Polat, Removal of triphenylmethane and reactive azo dyes from aqueous solution by magnetic carbon nanotube-κ-carrageenan-Fe₃O₄ nanocomposite, J. Alloy. Compd., 687 (2016) 370–383.
42. T. Solaiyammal, S. Muniyappan, B.G.T. Keerthana, S.S. Nemala, P. Bhargava, P. Murugakoothan. Green synthesis of Ag and the effect of Ag on the efficiency of TiO₂ based dye sensitized solar cell, J. Mater. Sci: Mater. Electron., 28 (2017) 15423–15434.
43. Z. Wang, J. Guo, J. Ma, L. Shao, Highly regenerable alkali-resistant magnetic nanoparticles inspired by mussels for rapid selective dye removal offer high-efficiency environmental remediation, J. Mater. Chem. A, 3 (2015) 19960–19968.
44. Y.Q. Zhang, X.B. Yang, Z.X. Wang, J. Long, L. Shao, Designing multifunctional 3D magnetic foam for effective insoluble oil separation and rapid selective dye removal for use in wastewater remediation, J. Mater. Chem. A, 5 (2017) 7316–7325.
45. W. Fan, W. Gao, C. Zhang, W.W. Tjiu, J. Pan, T. Liu, Hybridization of graphene sheets and carbon-coated Fe₃O₄ nanoparticles as a synergistic adsorbent of organic dyes, J. Mater. Chem., 22 (2012) 25108–25115.
46. W. Wang, Z. Ding, M. Cai, H. Jian, Z. Zeng, F. Li, J.P. Liu, Synthesis and high-efficiency methylene blue adsorption of magnetic PAA/MnFe₂O₄ nanocomposites, Appl. Surf. Sci., 346 (2015) 348–353.
47. S. Kant, D. Pathania, P. Singh, P. Dhiman, A. Kumar, Removal of malachite green and methylene blue by Fe_0.01Ni_0.01Zn_0.98O/polyacrylamide nanocomposite using coupled adsorption and photocatalysis, Appl. Catal. B-Environ., 147 (2014) 340–352.
48. L. Cui, Y. Wang, L. Hu, L. Gao, B. Du, Q. Wei, Mechanism of Pb (II) and methylene blue adsorption onto magnetic carbonate hydroxyapatite/graphene oxide, RSC Adv., 5 (2015) 9759–9770.
49. W. Zou, H. Bai, S. Gao, K. Li, Characterization of modified sawdust, kinetic and equilibrium study about methylene blue adsorption in batch mode, Korean J. Chem. Eng., 30 (2013) 111–122.
50. J. Fu, Q. Xin, X. Wu, Z. Chen, Y. Yan, S. Liu, M. Wang, Q. Xu, Selective adsorption and separation of organic dyes from aqueous solution on polydopamine microspheres, J. Colloid Interf. Sc., 461 (2016) 292–304.
51. L. Sun, S. Hu, H. Sun, H. Guo, H. Zhu, M. Liu and H. Sun, Malachite green adsorption onto Fe₃O₄@SiO₂-NH₂: isotherms, kinetic and process optimization, RSC Adv., 5 (2015) 11837–11844.
52. D. Wang, L. Liu, X. Jiang, J. Yu, X. Chen, Adsorption and removal of malachite green from aqueous solution using magnetic β-cyclodextrin-graphene oxide nanocomposites as adsorbents, Colloid. Surface. A, 466 (2015) 166–173.
53. M. Rajabi, B. Mirza, K. Mahanpoor, M. Mirjalili, F. Najafi, O. Moradi, H. Sadegh, R. Shahryari-ghoshekand, M. Asif, I. Tyagi, S. Agarwal, V.K. Gupta, Adsorption of malachite green from aqueous solution by carboxylate group functionalized multi-walled carbon nanotubes: determination of equilibrium and kinetics parameters, J. Ind. Eng. Chem., 34 (2016) 130–138.
54. Y. Han, S. Sheng, F. Yang, Y. Xie, M. Zhao, J.-R. Li, Size-exclusive and coordination-induced selective dye adsorption in a nanotubular metal-organic framework, J. Mater. Chem. A, 3 (2015) 12804–12809.
55. X. Meng, L. Cui, X. Wang, X. Zhang, X. Zhang, S. Bi, Syntheses, structural diversity, magnetic properties and dye absorption of various Co(II) MOFs based on a semi-flexible 4-(3,5-dicarboxylatobenzyloxy) benzoic acid, Cryst. Eng. Comm., 19 (2017) 6630–6643.
56. S. Zhang, Y. Zhang, G. Bi, J. Liu, Z. Wang, Q. Xu, H. Xu, X. Li, Mussel-inspired polydopamine biopolymer decorated with magnetic nanoparticles for multiple pollutants removal, J. Hazard Mate., 270 (2014) 27–34.
57. J. Liu, H. Yu, Q. Liang, Y. Liu, J. Shen, Q. Bai, Preparation of polyhedral oligomeric silsesquioxane based cross-linked inorganic-organic nanohybrid as adsorbent for selective removal of acidic dyes from aqueous solution, J. Colloid Interf. Sci., 497 (2017) 402–412.
58. J.-W. Liu, T. Yang, S. Chen, X.-W. Chen, J.-H. Wang, Nickel chelating functionalization of graphene composite for metal affinity membrane isolation of lysozyme, J. Mater. Chem. B, 1 (2013) 810–818.
59. N.R. Jana, T.K. Sau, T. Pal, Growing small silver particle as redox catalyst, J. Phys. Chem. B, 103 (1999) 115–121.
60. F. Jiang, D.M. Dinh, Y.-L. Hsieh, Adsorption and desorption of cationic malachite green dye on cellulose nanofibril aerogels, Carbohyd. Polymers., 173 (2017) 286–294.