National Taiwan Normal University

Ting-Li Lin

Nan-Fu Chiu

A method of synthesizing carboxyl-modified molybdenum disulfide comprises the steps of a) preparing a molybdenum disulfide solution; b) adding hydrogen bromide (HBr) to the molybdenum disulfide solution, followed by blending the mixture; and c) adding oxalic acid (OA) to the molybdenum disulfide solution, followed by blending the mixture. The molybdenum disulfide synthesized by the method is applicable to a biosensing chip. The carboxyl-modified molybdenum disulfide effectively enhances sensitivity of a detection device having the biosensing chip.

Method of synthesizing carboxyl-modified molybdenum disulfide

A molybdenum disulfide-containing biosensing chip includes a transparent substrate; a metal layer disposed on the transparent substrate; and a molybdenum disulfide layer disposed on the metal layer; wherein the molybdenum disulfide layer is carboxyl (&#x2014;COOH)-modified. The carboxyl (&#x2014;COOH)-modified molybdenum disulfide layer effectively enhances sensitivity of a detection device having the biosensing chip. The biosensing chip is applicable to detection of various biological molecules.

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Taipei, Taiwan

Ting-Li Lin