Experiments on opto-electrically generated microfluidic vortices
Strong microfluidic vortices are generated when a near-infrared (1,064 nm) laser beam is
focused within a microchannel and an alternating current (AC) electric field is …
focused within a microchannel and an alternating current (AC) electric field is …
Negative dielectrophoresis spectroscopy for rare analyte quantification in biological samples
SAM Kirmani, FD Gudagunti… - … of biomedical optics, 2017 - spiedigitallibrary.org
We propose the use of negative dielectrophoresis (DEP) spectroscopy as a technique to
improve the detection limit of rare analytes in biological samples. We observe a significant …
improve the detection limit of rare analytes in biological samples. We observe a significant …
Mechanical Characterization of the Erythrocyte Membrane Using a Capacitor-Based Technique
Pathological processes often change the mechanical properties of cells. Increased rigidity
could be a marker of cellular malfunction. Erythrocytes are a type of cell that deforms to …
could be a marker of cellular malfunction. Erythrocytes are a type of cell that deforms to …
Measurements of liposome biomechanical properties by combining line optical tweezers and dielectrophoresis
E Spyratou, E Cunaj, G Tsigaridas… - Journal of Liposome …, 2015 - Taylor & Francis
Liposomes are well-known cell simulators and are currently studied as drug delivery
systems, for a targeted delivery of higher drug concentrations, in specific cells. Novel …
systems, for a targeted delivery of higher drug concentrations, in specific cells. Novel …
Simultaneous measurements of electrophoretic and dielectrophoretic forces using optical tweezers
Herein, charged microbeads handled with optical tweezers are used as a sensitive probe for
simultaneous measurements of electrophoretic and dielectrophoretic forces. We first …
simultaneous measurements of electrophoretic and dielectrophoretic forces. We first …
Quantitative measurements of absolute dielectrophoretic forces using optical tweezers
Y Hong, JW Pyo, S Hyun Baek, S Woo Lee… - Optics letters, 2010 - opg.optica.org
Optical tweezers were used for quantitative measurement of the absolute dielectrophoresis
(DEP) forces acting on polystyrene microparticles. The electrodes and tweezers were …
(DEP) forces acting on polystyrene microparticles. The electrodes and tweezers were …
Efficient and low cost multiple optical trap, based on interference
DG Kotsifaki, M Makropoulou, AA Serafetinides - Optik, 2013 - Elsevier
Interference fringes provide the means for simultaneous, multiple–micromanipulation, of
particles. In biomedical investigations, multiple interference optical trapping gives the …
particles. In biomedical investigations, multiple interference optical trapping gives the …
Line optical tweezers: A tool to induce transformations in stained liposomes and to estimate shear modulus
E Spyratou, EA Mourelatou, A Georgopoulos… - Colloids and Surfaces A …, 2009 - Elsevier
Liposomes have been actively studied as models of cell membranes and are currently used
as drug delivery systems of bioactive molecules. Liposome transformations that mimic …
as drug delivery systems of bioactive molecules. Liposome transformations that mimic …
Ultra-violet laser microbeam and optical trapping for cell micromanipulation
D Kotsifaki, M Makropoulou… - Saratov Fall Meeting …, 2007 - spiedigitallibrary.org
In recent years, lasers for optical trapping and micromanipulation of microscopic particles or
cells and subcellular structures, both in vivo and in vitro, have gained remarkable interest in …
cells and subcellular structures, both in vivo and in vitro, have gained remarkable interest in …
Rapid portable electrical biosensing design with dielectrophoresis and its application for cardiac biomarker detection
With the growing number of new biomarkers discovered for clinic diagnosis, there is an
emerging need for the development of biosensing device. One important application of the …
emerging need for the development of biosensing device. One important application of the …