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Fuel-Free Nanowire Motors

Detailed Technology Description: UC San Diego researchers have developed fuel-free nanomotors based on multi-segment nanowires and electric or magnetic control. Both nanomotor types are prepared using simple and scalable sequential template electrodeposition protocols. Specifically, electrically propelled nanomotors are created from Schottky barrier diode nanowires (e.g., PPy-Cd, CdSe-Au-CdSe) and are propelled/controlled by spatially uniform AC electric fields. Magnetically driven nanomotors are fabricated by sequential deposition of Au, Ag, and Ni segments in alumina micropores and subsequent dissolution steps allowing formation of nanowires with flexible joints essential for the controlled deformations, induced by external rotating magnetic fields, that enable locomotion. Proof of concept has been achieved in both cases. The relatively environment-independent, fuel-free operation of these nanomotors make them suitable for biomedical applications (e.g., targeted drug delivery) and other applications where the chemical milieu is unalterable (e.g., oil exploration).

Supplementary Information: Inventor: Wagener, Kenneth B. | Sworen, John C. | Zuluaga, Hector F. | Matloka, Piotr
Priority Number: US7420025B2
IPC Current: C08G007760 | C07F000718
US Class: 528035 | 525477 | 528015 | 528019 | 528033 | 556431
Assignee Applicant: University of Florida Research Foundation Inc.inesville
Title: Elastomeric polymers
Usefulness: Elastomeric polymers
Summary: In many different applications e.g. thermoset.
Novelty: Molecule useful in different applications e.g. thermoset comprises a polymer

Industry: Chemical/Material

Sub Category: Chemical/Material Application

Application No.: 9698708

Others

Related Materials

“Nanomotors Go Fuel-Free”
“Bend, Spin, Swim” (Science magazine highlight)

Tech ID/UC Case

21243/2011-081-0

Related Cases

2011-081-0

*Abstract: A significant part of past work on artificial nanomotors involves catalytic nanowire motors that self-propel in the presence of a specific fuel, e.g. hydrogen peroxide. However, many applications of nanomachines require elimination of the fuel requirement.

*IP Issue Date: Jul 4, 2017

*Principal Investigator: Name: Joseph Wang
Department:

Country/Region: USA

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