Circuit modification in electrical field flow fractionation systems generating higher resolution separation of nanoparticles

TO Tasci, WP Johnson, DP Fernandez… - … of Chromatography A, 2014 - Elsevier
Compared to other sub-techniques of field flow fractionation (FFF), cyclical electrical field
flow fractionation (CyElFFF) is a relatively new method with many opportunities remaining …

Biased cyclical electrical field flow fractionation for separation of sub 50 nm particles

TO Tasci, WP Johnson, DP Fernandez… - Analytical …, 2013 - ACS Publications
Cyclical electrical field flow fractionation (CyElFFF) is a technique for characterizing and
separating nanoparticles based on their size and charge using cyclical electric fields. The …

Particle based modeling of electrical field flow fractionation systems

TO Tasci, WP Johnson, DP Fernandez, E Manangon… - Chromatography, 2015 - mdpi.com
Electrical Field Flow Fractionation (ElFFF) is a sub method in the field flow fractionation
(FFF) family that relies on an applied voltage on the channel walls to effect a separation …

Characterization of a microscale thermal–electrical field-flow fractionation system

HJ Sant, BK Gale - Journal of Chromatography A, 2012 - Elsevier
A microscale thermal–electrical field-flow fractionation (ThElFFF) channel is reported for the
first time and preliminary characterization results show high retention at certain operating …

Biased cyclical electrical field-flow fractionation for separation of submicron particles

M Ornthai, A Siripinyanond, BK Gale - Analytical and bioanalytical …, 2016 - Springer
The potential of biased cyclical electrical field-flow fractionation (BCyElFFF), which applies
the positive cycle voltage longer than the negative cycle voltage, for characterization of …

Miniaturized flow fractionation device assisted by a pulsed electric field for nanoparticle separation

AIK Lao, D Trau, IM Hsing - Analytical Chemistry, 2002 - ACS Publications
Electric field flow fractionation (EFFF) is a powerful separation technique based on an
electrical field perpendicular to a pressure-driven flow. Previous studies of microelectric field …

Mechanistic investigation of nanoparticle motion in pulsed voltage miniaturized electrical field flow fractionation device by in situ fluorescence imaging

AIK Lao, YK Lee, IM Hsing - Analytical chemistry, 2004 - ACS Publications
In our previous study, we reported a miniaturized electrical field flow fractionation device (μ-
EFFF) that used a pulsed voltage (PV) to increase the effective electric field and, hence …

Effect of carrier ionic strength in microscale cyclical electrical field-flow fractionation

AS Kantak, M Srinivas, BK Gale - Analytical chemistry, 2006 - ACS Publications
Recent work with cyclical electrical field-flow fractionation systems has shown promise for
the technique as a separation and analysis tool, but little is understood about how the carrier …

Nanoparticle analysis using microscale field flow fractionation

BK Gale, HJ Sant - Microfluidics, BioMEMS, and Medical …, 2007 - spiedigitallibrary.org
Microscale electrical field flow fractionation (FFF) has shown significant progress since it
was first reported in early 1997. The first electrical FFF systems were lucky to function for …

Cyclical electrical field flow fractionation

BK Gale, M Srinivas - Electrophoresis, 2005 - Wiley Online Library
Cyclical electrical field flow fractionation (Cy/ElFFF) is demonstrated in a standard electrical
field flow fractionation (ElFFF) channel for the first time. Motivation for the use of alternating …