Title: Inorganic nanotubes and electro-fluidic devices fabricated therefrom

Abstract

Nanofluidic devices incorporating inorganic nanotubes fluidly coupled to channels or nanopores for supplying a fluid containing chemical or bio-chemical species are described. In one aspect, two channels are fluidly interconnected with a nanotube. Electrodes on opposing sides of the nanotube establish electrical contact with the fluid therein. A bias current is passed between the electrodes through the fluid, and current changes are detected to ascertain the passage of select molecules, such as DNA, through the nanotube. In another aspect, a gate electrode is located proximal the nanotube between the two electrodes thus forming a nanofluidic transistor. The voltage applied to the gate controls the passage of ionic species through the nanotube selected as either or both ionic polarities. In either of these aspects the nanotube can be modified, or functionalized, to control the selectivity of detection or passage.

Inventors:

Yang, Peidong ^[1]; Majumdar, Arunava ^[2]; Fan, Rong ^[3]; Karnik, Rohit ^[4]

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+ Show Inventor Affiliations

1. Kensington, CA
2. Orinda, CA
3. Pasadena, CA
4. Cambridge, MA

Issue Date:

2011-03-01

Research Org.:

Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Org.:

USDOE

OSTI Identifier:

1016553

Patent Number(s):

7898005

Application Number:

US Patent Application 12/335,430

Assignee:

The Regents of the University of California (Oakland, CA)

Patent Classifications (CPCs):

B - PERFORMING OPERATIONS B82 - NANOTECHNOLOGY B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

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B - PERFORMING OPERATIONS B82 - NANOTECHNOLOGY B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES

B82Y10/00 - Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

G01N27/4145 - {specially adapted for biomolecules, e.g. gate electrode with immobilised receptors}
G01N27/4146 - {involving nanosized elements, e.g. nanotubes, nanowires}

H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES

H01L29/0673 - {oriented parallel to a substrate}
H01L29/775 - with one dimensional charge carrier gas channel, e.g. quantum wire FET

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DOE Contract Number:  

AC02-05CH11231

Resource Type:

Patent

Country of Publication:

United States

Language:

English

Subject:

77 NANOSCIENCE AND NANOTECHNOLOGY