Polymeric salt bridges for conducting electric current in microfluidic devices
Abstract
A "cast-in-place" monolithic microporous polymer salt bridge for conducting electrical current in microfluidic devices, and methods for manufacture thereof is disclosed. Polymeric salt bridges are formed in place in capillaries or microchannels. Formulations are prepared with monomer, suitable cross-linkers, solvent, and a thermal or radiation responsive initiator. The formulation is placed in a desired location and then suitable radiation such as UV light is used to polymerize the salt bridge within a desired structural location. Embodiments are provided wherein the polymeric salt bridges have sufficient porosity to allow ionic migration without bulk flow of solvents therethrough. The salt bridges form barriers that seal against fluid pressures in excess of 5000 pounds per square inch. The salt bridges can be formulated for carriage of suitable amperage at a desired voltage, and thus microfluidic devices using such salt bridges can be specifically constructed to meet selected analytical requirements.
- Inventors:
-
- Livermore, CA
- San Diego, CA
- Humacao, PR
- Publication Date:
- Research Org.:
- Sandia National Lab. (SNL-CA), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 971082
- Patent Number(s):
- 7,618,524
- Application Number:
- 10/916,310
- Assignee:
- Sandia Corporation (Livermore, CA)
- DOE Contract Number:
- AC04-94AL85000
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION
Citation Formats
Shepodd, Timothy J, Tichenor, Mark S, and Artau, Alexander. Polymeric salt bridges for conducting electric current in microfluidic devices. United States: N. p., 2009.
Web.
Shepodd, Timothy J, Tichenor, Mark S, & Artau, Alexander. Polymeric salt bridges for conducting electric current in microfluidic devices. United States.
Shepodd, Timothy J, Tichenor, Mark S, and Artau, Alexander. 2009.
"Polymeric salt bridges for conducting electric current in microfluidic devices". United States. https://www.osti.gov/servlets/purl/971082.
@article{osti_971082,
title = {Polymeric salt bridges for conducting electric current in microfluidic devices},
author = {Shepodd, Timothy J and Tichenor, Mark S and Artau, Alexander},
abstractNote = {A "cast-in-place" monolithic microporous polymer salt bridge for conducting electrical current in microfluidic devices, and methods for manufacture thereof is disclosed. Polymeric salt bridges are formed in place in capillaries or microchannels. Formulations are prepared with monomer, suitable cross-linkers, solvent, and a thermal or radiation responsive initiator. The formulation is placed in a desired location and then suitable radiation such as UV light is used to polymerize the salt bridge within a desired structural location. Embodiments are provided wherein the polymeric salt bridges have sufficient porosity to allow ionic migration without bulk flow of solvents therethrough. The salt bridges form barriers that seal against fluid pressures in excess of 5000 pounds per square inch. The salt bridges can be formulated for carriage of suitable amperage at a desired voltage, and thus microfluidic devices using such salt bridges can be specifically constructed to meet selected analytical requirements.},
doi = {},
url = {https://www.osti.gov/biblio/971082},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Nov 17 00:00:00 EST 2009},
month = {Tue Nov 17 00:00:00 EST 2009}
}
Works referenced in this record:
High-Pressure Microfluidic Control in Lab-on-a-Chip Devices Using Mobile Polymer Monoliths
journal, October 2002
- Hasselbrink,, Ernest F.; Shepodd, Timothy J.; Rehm, Jason E.
- Analytical Chemistry, Vol. 74, Issue 19
Electrochromatography in Microchips: Reversed-Phase Separation of Peptides and Amino Acids Using Photopatterned Rigid Polymer Monoliths
journal, February 2002
- Throckmorton, Daniel J.; Shepodd, Timothy J.; Singh, Anup K.
- Analytical Chemistry, Vol. 74, Issue 4
Molded Rigid Polymer Monoliths as Separation Media for Capillary Electrochromatography
journal, September 1997
- Peters, Eric C.; Petro, Miroslav; Svec, Frantisek
- Analytical Chemistry, Vol. 69, Issue 17