SWEET GRAPHENE II: GLYCOSYLATION OF ALKYNE-MODIFIED GRAPHENE OXIDE WITH AZIDE-GLUCOSE

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NAMVARI MINA; NAMAZI HASAN

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Seminar Paper

Paper Information

Seminar: IRANIAN SEMINAR OF ORGANIC CHEMISTRY
Year:2014 | Issue:22

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Title

SWEET GRAPHENE II: GLYCOSYLATION OF ALKYNE-MODIFIED GRAPHENE OXIDE WITH AZIDE-GLUCOSE

Author(s)

NAMVARI MINA | NAMAZI HASAN | Issue Writer Certificate

Keywords

GRAPHENE OXIDE

SACCHARIDE

CLICK REACTION

WATER-SOLUBLE

Abstract

IN THIS WORK, HYDROPHILIC GRAPHENE NANOHYBRIDS WERE PREPARED BY TETHERING ALKYNE-FUNCTIONALIZED GRAPHENE OXIDE (GO) WITH AZIDE-MODIFIED GLUCOSE. FOR THIS PURPOSE, TWO APPROACHES WERE PLANNED: IN THE FIRST ONE, AFTER CHLORINATION OF GO WITH THIONYL CHLORIDE, IT WAS REACTED WITH PROPARGYL ALCOHOL AND IT WAS SUBSEQUENTLY CLICKED WITH AZIDE-GLUCOSIDE. THE RESULTED GRAPHENE NANOSHEETS WERE EASILY DISPERSED IN WATER AND STABLE FOR TWO WEEKS. IN THE SECOND APPROACH, GO WAS FUNCTIONALIZED WITH 3, 4, 5-TRIS (PROP-2-YN-1-YLOXY) BENZOIC ACID VIA HYDROXYL GROUPS ON ITS BASAL PLANE AND IT WAS FINALLY TREATED WITH AZIDE-GLUCOSIDE. THE OBTAINED HYDROPHILIC GRAPHENE NANOSHEETS WERE STABLE IN WATER FOR THREE WEEKS. THE PRODUCTS WERE ANALYZED BY FOURIER-TRANSFORM INFRARED SPECTROSCOPY (FTIR), FIELD-EMISSION SCANNING ELECTRON MICROSCOPY, THERMOGRAVIMETRIC ANALYSIS (TGA) AND X-RAY DIFFRACTION SPECTROMETRY. FTIR AND TGA RESULTS SHOWED BOTH GLUCOSE-GRAFTED GO SHEETS WERE REDUCED BY SODIUM ASCORBATE DURING CLICK-COUPLING REACTION WHICH IS ONE THE MANY ADVANTAGES OF THIS REACTION.

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APA: Copy

NAMVARI, MINA, & NAMAZI, HASAN. (2014). SWEET GRAPHENE II: GLYCOSYLATION OF ALKYNE-MODIFIED GRAPHENE OXIDE WITH AZIDE-GLUCOSE. IRANIAN SEMINAR OF ORGANIC CHEMISTRY. SID. https://sid.ir/paper/913747/en

Vancouver: Copy

NAMVARI MINA, NAMAZI HASAN. SWEET GRAPHENE II: GLYCOSYLATION OF ALKYNE-MODIFIED GRAPHENE OXIDE WITH AZIDE-GLUCOSE. 2014. Available from: https://sid.ir/paper/913747/en

IEEE: Copy

MINA NAMVARI, and HASAN NAMAZI, “SWEET GRAPHENE II: GLYCOSYLATION OF ALKYNE-MODIFIED GRAPHENE OXIDE WITH AZIDE-GLUCOSE,” presented at the IRANIAN SEMINAR OF ORGANIC CHEMISTRY. 2014, [Online]. Available: https://sid.ir/paper/913747/en

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