References

Albanna, M.Z., T.H. Bou-Akl, H.L. Walters III and H.W. Matthew, 2012. Improving the mechanical properties of chitosan-based heart valve scaffolds using chitosan fibers. J. Mech. Behav. Biomed. Mater., 5: 171-180.
PubMed  |  Direct Link  |  

Alkhamis, K.A., M.S. Salem and M.S. Khanfar, 2008. The sorption of ketotifen fumarate by chitosan. Aaps Pharm. Sci. Tech., 9: 866-869.
CrossRef  |  PubMed  |  Direct Link  |  

Arai, Y., H. Segawa and K. Yoshida, 2004. Synthesis of nano silica particles for polishing prepared by sol-gel method. J. Sol Gel Sci. Technol., 32: 79-83.
Direct Link  |  

Bailey, S.E., T.J. Olin, R.M. Bricka and D.D. Adrian, 1999. A review of potentially low-cost sorbents for heavy metals. Water Res., 33: 2469-2479.
CrossRef  |  Direct Link  |  

Bjornstrom, J., A. Martinelli, A. Matic, L. Borjesson and I. Panas, 2004. Accelerating effects of colloidal nano-silica for beneficial calcium-silicate-hydrate formation in cement. Chem. Phys. Lett., 392: 242-248.
Direct Link  |  

Budnyak, T.M., I.V. Pylypchuk, V.A. Tertykh, E.S. Yanovska and D. Kolodynska, 2015. Synthesis and adsorption properties of chitosan-silica nanocomposite prepared by sol-gel method. Nanoscale Res. Lett., 10: 87-96.
CrossRef  |  PubMed  |  Direct Link  |  

Budnyak, T.M., V.A. Tertykh and E.S. Yanovska, 2013. Chitosan and its derivatives as sorbents for effective removal of metal ions. Surf., 5: 118-134.

Budnyak, T.M., V.A. Tertykh and E.S. Yanovska, 2014. Chitosan immobilized on saponite surface in extraction of V(V), Mo(VI) and Cr(VI) Oxoanions. Chem. Phys. Surf. Technol., 5: 445-453.
CrossRef  |  

Cadek, M., J.N. Coleman, V. Barron, K. Hedicke and W.J. Blau, 2002. Morphological and mechanical properties of carbon-nanotube-reinforced semicrystalline and amorphous polymer composites. Appl. Phys. Lett., 81: 5123-5125.
CrossRef  |  Direct Link  |  

Chassary, P., T. Vincent and E. Guibal, 2004. Metal anion sorption on chitosan and derivative materials: A strategy for polymer modification and optimum use. React. Funct. Polym., 60: 137-149.
CrossRef  |  Direct Link  |  

Chatterjee, S., M.W. Lee and S.H. Woo, 2009. Enhanced mechanical strength of chitosan hydrogel beads by impregnation with carbon nanotubes. Carbon, 47: 2933-2936.
CrossRef  |  Direct Link  |  

Che, S., A.E. Garcia-Bennett, T. Yokoi, K. Sakamoto and H. Kunieda et al., 2003. A novel anionic surfactant templating route for synthesizing mesoporous silica with unique structure. Nature Mater., 2: 801-805.
CrossRef  |  PubMed  |  Direct Link  |  

Chen, J., X. Shi, Y. Zhan, X. Qiu and Y. Du et al., 2017. Construction of horizontal stratum landform-like composite foams and their methyl orange adsorption capacity. Appl. Surf. Sci., 397: 133-143.
Direct Link  |  

Chen, Y., L. Chen, H. Bai and L. Li, 2013. Graphene oxide-chitosan composite hydrogels as broad-spectrum adsorbents for water purification. J. Mater. Chem. A, 1: 1992-2001.
CrossRef  |  Direct Link  |  

Coleman, J.N., U. Khan, W.J. Blau and Y.K. Gun’ko, 2006. Small but strong: A review of the mechanical properties of carbon nanotube-polymer composites. Carbon, 44: 1624-1652.
CrossRef  |  Direct Link  |  

Copello, G.J., A.M. Mebert, M. Raineri, M.P. Pesenti and L.E. Diaz, 2011. Removal of dyes from water using chitosan hydrogel/SiO₂ and chitin hydrogel/SiO₂ hybrid materials obtained by the sol-gel method. J. Hazard. Mater., 186: 932-939.
CrossRef  |  PubMed  |  Direct Link  |  

Cordero-Arias, L., S. Cabanas-Polo, H. Gao, J. Gilabert and E. Sanchez et al., 2013. Electrophoretic deposition of nanostructured-TiO₂/chitosan composite coatings on stainless steel. RSC. Adv., 3: 11247-11254.
CrossRef  |  Direct Link  |  

El Achaby, M., Y. Essamlali, N. El Miri, A. Snik and K. Abdelouahdi et al., 2014. Graphene oxide reinforced chitosan/polyvinylpyrrolidone polymer bio‐nanocomposites. J. Appl. Polym. Sci., 131: 1-11.
CrossRef  |  Direct Link  |  

El-Kadib, A., K. Molvinger, M. Bousmina and D. Brunel, 2010. Decoration of Chitosan microspheres with inorganic oxide clusters: Rational design of hierarchically porous, stable and cooperative acid-base nanoreactors. J. Catal., 273: 147-155.
CrossRef  |  Direct Link  |  

Ganji, F. and M.J. Abdekhodaie, 2008. Synthesis and characterization of a new thermosensitive chitosan-PEG diblock copolymer. Carbohydr. Polym., 74: 435-441.
CrossRef  |  Direct Link  |  

Hsien, T.Y. and G.L. Rorrer, 1997. Heterogeneous cross-linking of chitosan gel beads: Kinetics, modeling and influence on cadmium ion adsorption capacity. Ind. Eng. Chem. Res., 36: 3631-3638.
CrossRef  |  Direct Link  |  

Huang, X.J., D. Ge and Z.K. Xu, 2007. Preparation and characterization of stable chitosan nanofibrous membrane for lipase immobilization. Eur. Polym. J., 43: 3710-3718.
CrossRef  |  Direct Link  |  

Inoue, K., K. Yoshizuka and Y. Baba, 1994. Adsorption of Metal Ions on Chitosan and Chemically Modified Chitosan and their Application to Hydrometallurgy. In: Biotechnology and Bioactive Polymers, Gebelein, C.G. and C.E. Carraher (Eds.). Springer, Boston, Massachusetts, ISBN:978-1-4757-9521-9, pp: 35-41.

Kavitha, K., S. Sutha, M. Prabhu, V. Rajendran and T. Jayakumar, 2013. _{In situ} synthesized novel biocompatible titania-chitosan nanocomposites with high surface area and antibacterial activity. Carbohydr. Polym., 93: 731-739.
PubMed  |  Direct Link  |  

Kolodynska, D., 2011. Chitosan as an effective low-cost sorbent of heavy metal complexes with the polyaspartic acid. Chem. Eng. J., 173: 520-529.
CrossRef  |  Direct Link  |  

Kolodynska, D., 2012. Adsorption characteristics of chitosan modified by chelating agents of a new generation. Chem. Eng. J., 179: 33-43.
CrossRef  |  Direct Link  |  

Kumar, M.N.V.R., 2000. A review of chitin and chitosan applications. React. Funct. Polym., 46: 1-27.
CrossRef  |  Direct Link  |  

Li, C.B., S. Hein and K. Wang, 2008. Biosorption of chitin and chitosan. Mater. Sci. Technol., 24: 1088-1099.
Direct Link  |  

Liu, H., C. Gong, J. Wang, X. Liu and H. Liu et al., 2016. Chitosan/silica coated carbon nanotubes composite proton exchange membranes for fuel cell applications. Carbohydr. Polym., 136: 1379-1385.
CrossRef  |  PubMed  |  Direct Link  |  

Moosa, A.A., A.M. Ridha and N.A. Kadim, 2016. Use of biopolymer adsorbent in the removal of phenol from aqueous solution. Am. J. Mater. Sci., 6: 95-104.
CrossRef  |  Direct Link  |  

Osler, K., N. Twala, O.O. Oluwasina and M.O. Daramola, 2017. Synthesis and performance evaluation of Chitosan/Carbon nanotube (Chitosan/MWCNT) composite adsorbent for post-combustion carbon dioxide capture. Energy Procedia, 114: 2330-2335.
Direct Link  |  

Pabon, E., J. Retuert, R. Quijada and A. Zarate, 2004. TiO₂-SiO₂ mixed oxides prepared by a combined sol-gel and polymer inclusion method. Microporous Mesoporous Mater., 67: 195-203.
CrossRef  |  Direct Link  |  

Puchol, V., J. El-Haskouri, J. Latorre, C. Guillem and A. Beltran et al., 2009. Biomimetic chitosan-mediated synthesis in heterogeneous phase of bulk and mesoporous silica nanoparticles. Chem. Commun., 19: 2694-2696.
CrossRef  |  PubMed  |  Direct Link  |  

Senel, S. and S.J. McClure, 2004. Potential applications of chitosan in veterinary medicine. Adv. Drug Deliv. Rev., 56: 1467-1480.
PubMed  |  

Shaari, N. and S.K. Kamarudin, 2015. Chitosan and alginate types of bio-membrane in fuel cell application: An overview. J. Power Sources, 289: 71-80.
CrossRef  |  Direct Link  |  

Slowing, I.I., B.G. Trewyn, S. Giri and V.S.Y. Lin, 2007. Mesoporous silica nanoparticles for drug delivery and biosensing applications. Adv. Funct. Mater., 17: 1225-1236.
CrossRef  |  Direct Link  |  

Slowing, I.I., J.L. Vivero-Escoto, C.W. Wu and V.S.Y. Lin, 2008. Mesoporous silica nanoparticles as controlled release drug delivery and gene transfection carriers. Adv. Drug Delivery Rev., 60: 1278-1288.
CrossRef  |  Direct Link  |  

Sobolkina, A., V. Mechtcherine, V. Khavrus, D. Maier and M. Mende et al., 2012. Dispersion of carbon nanotubes and its influence on the mechanical properties of the cement matrix. Cem. Concr. Compos., 34: 1104-1113.
CrossRef  |  Direct Link  |  

Spirk, S., G. Findenig, A. Doliska, V.E. Reichel, N.L. Swanson and et al., 2013. Chitosan-silane sol-gel hybrid thin films with controllable layer thickness and morphology. Carbohydr. Polym., 93: 285-290.
PubMed  |  Direct Link  |  

Tiwari, A. and S.R. Dhakate, 2009. Chitosan-SiO₂-multiwall carbon nanotubes nanocomposite: A novel matrix for the immobilization of creatine amidinohydrolase. Intl. J. Biol. Macromol., 44: 408-412.
PubMed  |  Direct Link  |  

Treacy, M.M.J., T.W. Ebbesen and J.M. Gibson, 1996. Exceptionally high Young's modulus observed for individual carbon nanotubes. Nature, 381: 678-680.
CrossRef  |  

Wang, M., L. Xu, J. Peng, M. Zhai and J. Li et al., 2009. Adsorption and desorption of Sr(II) ions in the gels based on polysaccharide derivates. J. Hazard. Mater., 171: 820-826.
PubMed  |  Direct Link  |  

Wang, S.F., L. Shen, W.D. Zhang and Y.J. Tong, 2005. Preparation and mechanical properties of chitosan/carbon nanotubes composites. Biomacromolecules, 6: 3067-3072.
CrossRef  |  Direct Link  |  

Wu, X.J. and D. Xu, 2009. Formation of yolk/SiO₂ shell structures using surfactant mixtures as template. J. Am. Chem. Soc., 131: 2774-2775.
CrossRef  |  PubMed  |  Direct Link  |  

Xin, S., Z. Zeng, X. Zhou, W. Luo and X. Shi et al., 2017. Recyclable Saccharomyces cerevisiae loaded nanofibrous mats with sandwich structure constructing via bio-electrospraying for heavy metal removal. J. Hazard. Mater., 324: 365-372.
CrossRef  |  PubMed  |  Direct Link  |  

Zhang, M., X. Zhang, X. He, L. Chen and Y. Zhang, 2010. A facile method to coat mesoporous silica layer on carbon nanotubes by anionic surfactant. Mater. Lett., 64: 1383-1386.
Direct Link  |  

Zhou, H.Y., L.J. Jiang, P.P. Cao, J.B. Li and X.G. Chen, 2015. Glycerophosphate-based chitosan thermosensitive hydrogels and their biomedical applications. Carbohydr. Polym., 117: 524-536.
CrossRef  |  PubMed  |  Direct Link  |