Experiments on opto-electrically generated microfluidic vortices

A Kumar, SJ Williams, ST Wereley - Microfluidics and Nanofluidics, 2009 - Springer
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 …

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 …

Mechanical Characterization of the Erythrocyte Membrane Using a Capacitor-Based Technique

D Dorta, C Plazaola, J Carrasco, MF Alves-Rosa… - Micromachines, 2024 - mdpi.com
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 …

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 …

Simultaneous measurements of electrophoretic and dielectrophoretic forces using optical tweezers

G Pesce, G Rusciano, G Zito, A Sasso - Optics Express, 2015 - opg.optica.org
Herein, charged microbeads handled with optical tweezers are used as a sensitive probe for
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 …

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 …

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 …

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 …

Rapid portable electrical biosensing design with dielectrophoresis and its application for cardiac biomarker detection

CC Chen, YS Chan, YH Fang, YM Wang… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
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 …