title: Preparation of a responsive carbohydrate-coated biointerface based on graphene/azido-terminated tetrathiafulvalene nanohybrid material.
abstract: A one-step method for the reduction of graphene oxide (GO) to reduced graphene oxide (rGO) is reported  taking advantage of the electron-donor properties of an azido-terminated tetrathiafulvalene (TTF-N(3)). The resulting graphene/TTF-N(3) nanohybrid material is characterized by X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FT-IR) spectroscopy, and by electrical and electrochemical means. The accessibility of the azide function to chemoselective modification by any alkyne-terminated partner molecule via Cu(I)-catalyzed "click" chemistry is demonstrated. In a proof of principle and motivated by the importance of glycan-modified materials, many alkynyl-terminated mannose units were grated onto graphene/TTF-N(3). The TTF-mannose units could be released efficiently from the graphene matrix by chemical oxidation of TTF-mannose surface units to TTF(2+)-mannose, using Fe(ClO(4))(3) or the electron-deficient tetracationic cyclophane cyclobis(paraquat-p-phenylene) (CBPQT(4+)).
authors.affiliation: Institut de Recherche Interdisciplinaire (IRI), CNRS USR 3078, Université Lille 1, Parc de la Haute Borne, 50 avenue de Halley, BP 70478, 59658 Villeneuve d'Ascq, France.
authors.forename: Izabela
authors.initials: I
authors.lastname: Kaminska
authors.forename: Alexandre
authors.initials: A
authors.lastname: Barras
authors.forename: Yannick
authors.initials: Y
authors.lastname: Coffinier
authors.forename: Wojciech
authors.initials: W
authors.lastname: Lisowski
authors.forename: Saumya
authors.initials: S
authors.lastname: Roy
authors.forename: Joanna
authors.initials: J
authors.lastname: Niedziolka-Jonsson
authors.forename: Patrice
authors.initials: P
authors.lastname: Woisel
authors.forename: Joel
authors.initials: J
authors.lastname: Lyskawa
authors.forename: Marcin
authors.initials: M
authors.lastname: Opallo
authors.forename: Aloysius
authors.initials: A
authors.lastname: Siriwardena
authors.forename: Rabah
authors.initials: R
authors.lastname: Boukherroub
authors.forename: Sabine
authors.initials: S
authors.lastname: Szunerits