Access to the published version may require journal subscription. Published with permission from: Elsevier.Standard set statement from the publisher: This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPT A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPT AbstractPresent work is devoted to investigation of structure and functional properties of hybrid nanomaterials based on the TiO 2 -modified cellulose fibers of cotton. The titania hydrosol was successfully prepared using the titanium tetraisopropoxide as precursor and the nitric acid as peptizing agent via the low-temperature sol-gel synthesis in aqueous medium and applied to cotton fabric. For cross-linking of titania nanoparticles to cotton the 1,2,3,4-butanetetracarboxylic acid (BTCA) was used as a spacer. The morphology and composition of the surface pure and TiO 2 modified cotton fibers were investigated by the Scanning Electron Microscopy (SEM). The cotton/TiO 2 composite was characterized by the dielectric permittivity.For the estimation of total titania concentration, all samples were calcined at 650°C. The antimicrobial activity of the treated TiO 2 cotton fibers was investigated against Escherichia coli as a model Gram -negative bacteria after exposure to UV-irradiation for 10 minutes.

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