Biosensor electrode and biosensor using the same

Patent metadata

Field	Value
Publication number	US-2018356361-A1
Application number	US-201715798795-A
Country	US
Kind code	A1
Filing date	Oct 31, 2017
Priority date	Jun 9, 2017
Publication date	Dec 13, 2018
Grant date	—

Abstract

A biosensor electrode, comprising: a porous metal structure; and a carbon nanotube structure comprising a plurality of carbon nanotubes, the carbon nanotube structure is fixed on a surface of the porous metal structure, wherein the porous metal structure and the carbon nanotube structure are shrunk together to form a plurality of wrinkled parts.

First claim

What is claimed is:

1 . A biosensor electrode, comprising:
a porous metal structure; and a carbon nanotube structure comprising a plurality of carbon nanotubes, the carbon nanotube structure is fixed on a surface of the porous metal structure, wherein the porous metal structure and the carbon nanotube structure are shrunk together to form a plurality of wrinkled parts.

2 . The biosensor electrode of claim 1 , further comprising a material with catalytic property, wherein the material with catalytic property is located on the carbon nanotube structure.

3 . The biosensor electrode of claim 2 , wherein the material with catalytic property is nano-oxides.

4 . The biosensor electrode of claim 1 , wherein the plurality of carbon nanotubes in the carbon nanotube structure forming the plurality of wrinkled parts are extended substantially along a same direction.

5 . The biosensor electrode of claim 1 , wherein the plurality of wrinkled parts are connected to each other to form a continuous structure.

6 . The biosensor electrode of claim 1 , wherein the porous metal structure comprises a plurality of ligaments, and the plurality of ligaments define a plurality of pores.

7 . The biosensor electrode of claim 6 , wherein the ligament is a material selected from a group consisting of silver (Ag), platinum (Pt), gold (Au), and a combination thereof.

8 . The biosensor electrode of claim 1 , further comprising a bonding material, wherein the bonding material is configured to fix the carbon nanotube structure on surface of the porous metal structure.

9 . The biosensor electrode of claim 8 , wherein the bonding material is configured to envelop contacting surfaces between the carbon nanotube structure and the porous metal structure.

10 . The biosensor electrode of claim 8 , wherein the bonding material is an organic binder material or a metal material.

11 . The biosensor electrode of claim 1 , wherein the carbon nanotube structure comprises a plurality of carbon nanotubes arranged along a same direction.

12 . A biosensor, comprising:
a molecular recognition element configured to identify a biochemical reaction signal and the molecular recognition element comprising:
a porous metal structure; and
a carbon nanotube structure comprising a plurality of carbon nanotubes, the carbon nanotube structure is fixed on a surface of the porous metal structure, wherein the porous metal structure and the carbon nanotube structure are shrunk together to form a plurality of wrinkled parts; and
a signal conversion element configured to convert the biochemical reaction signal into an electrical signal.

Assignees

• Univ Tsinghua
• Hon Hai Prec Ind Co Ltd

Inventors

• Fu hong-ying
• Li Wen-Zhen

Classifications

• G01N27/3271 Primary

  Amperometric enzyme electrodes for analytes in body fluids, e.g. glucose in blood (amperometry per se G01N27/49; aspects concerning the enzyme reagent C12Q1/001) · CPC title

• G01N27/327 Primary

  Biochemical electrodes {, e.g. electrical or mechanical details for in vitro measurements} · CPC title

• G01N27/308

  at least partially made of carbon · CPC title