Ross, D.
and Locascio, L.
(2003),
Effect of Caged Fluorescent Dye on the Electroosmotic Mobility in Microchannels, Analytical Chemistry
(Accessed October 27, 2025)
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Effect of Caged Fluorescent Dye on the Electroosmotic Mobility in Microchannels
Published
Author(s)
,
Abstract
We report on measurements of electroosmotic mobility in polymer microchannels and silica capillaries with and without the addition of a caged fluorescein dye to the buffer. For PMMA microchannels, the mobility was found to increase from (2.6 0.1) 10-4 cm2/V/s to (4.6 0.1) 10-4 cm2/V/s upon addition of 1.2 mmol/L of caged dye. For PC microchannels, the mobility increased from (4.3 0.2) 10-4 cm2/V/s to (5.4 0.1) 10-4 cm2/V/s upon addition of caged dye. For PDMS microchannels, the mobility increased from (4.3 0.2) 10-4 cm2/V/s to (6.4 0.5) 10-4 cm2/V/s upon addition of caged dye. For fused silica capillaries, the mobility ((5.5 0.2) 10-4 cm2/V/s) was unaffected by the addition of the caged dye.Citation
Analytical Chemistry
Volume
75
Issue
No. 5
Pub Type
Journals
Keywords
electroosmosis, microfluidics
Citation
Issues
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Created March 1, 2003, Updated February 17, 2017