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We are pleased to present “Optical Trapping and Manipulation: From Fundamentals to Applications”, a Special Issue of Micromachines dedicated to the latest research in optical trapping. In recognition of the broad impact of optical manipulation techniques across disciplines, this Special Issue collected contributions related to all aspects of optical trapping and manipulation. Both theoretical and experimental studies were welcome, and applications of optical manipulation methods in fields including (but not limited to) single molecule biophysics, cell biology, nanotechnology, atmospheric chemistry, and fundamental optics were particularly welcome in order to showcase the breadth of the current research. The Special Issue accepted diverse forms of contributions, including research papers, short communications, methods, and review articles representing the state-of-the-art in optical trapping.

Technology: general issues --- optical tweezers --- red blood cells (RBCs) --- RBCs interactions --- helium–neon laser --- laser irradiation --- polymeric nanocapsules --- red blood cells --- SEM --- optical microscopy --- cytotoxicity --- human mesenchymal stem cells --- holographic optical trapping --- direct laser writing --- optical fiber tweezers --- optical trapping and manipulation --- optical force --- photothermal effect --- evanescent fields --- cell trapping and assembly --- multi-component micromanipulators --- radiation damage --- life sciences --- optical microrobots --- optical trapping --- microring resonator --- micro manipulation --- concentration gradient --- force spectroscopy --- diffusion --- microfluidics --- fluorescence --- optical traps --- vesicles --- artificial cells --- membrane biophysics --- phase separation --- membranes --- n/a --- helium-neon laser

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• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

We are pleased to present “Optical Trapping and Manipulation: From Fundamentals to Applications”, a Special Issue of Micromachines dedicated to the latest research in optical trapping. In recognition of the broad impact of optical manipulation techniques across disciplines, this Special Issue collected contributions related to all aspects of optical trapping and manipulation. Both theoretical and experimental studies were welcome, and applications of optical manipulation methods in fields including (but not limited to) single molecule biophysics, cell biology, nanotechnology, atmospheric chemistry, and fundamental optics were particularly welcome in order to showcase the breadth of the current research. The Special Issue accepted diverse forms of contributions, including research papers, short communications, methods, and review articles representing the state-of-the-art in optical trapping.

optical tweezers --- red blood cells (RBCs) --- RBCs interactions --- helium–neon laser --- laser irradiation --- polymeric nanocapsules --- red blood cells --- SEM --- optical microscopy --- cytotoxicity --- human mesenchymal stem cells --- holographic optical trapping --- direct laser writing --- optical fiber tweezers --- optical trapping and manipulation --- optical force --- photothermal effect --- evanescent fields --- cell trapping and assembly --- multi-component micromanipulators --- radiation damage --- life sciences --- optical microrobots --- optical trapping --- microring resonator --- micro manipulation --- concentration gradient --- force spectroscopy --- diffusion --- microfluidics --- fluorescence --- optical traps --- vesicles --- artificial cells --- membrane biophysics --- phase separation --- membranes --- n/a --- helium-neon laser

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• Reference Manager
• EndNote
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An outstanding compilation that reflects the state-of-the art on Dielectrophoresis (DEP) in 2020. Contributions include: - A novel mathematical framework to analyze particle dynamics inside a circular arc microchannel using computational modeling. - A fundamental study of the passive focusing of particles in ratchet microchannels using direct-current DEP. - A novel molecular version of the Clausius-Mossotti factor that bridges the gap between theory and experiments in DEP of proteins. - The use of titanium electrodes to rapidly enrich T. brucei parasites towards a diagnostic assay. - Leveraging induced-charge electrophoresis (ICEP) to control the direction and speed of Janus particles. - An integrated device for the isolation, retrieval, and off-chip recovery of single cells. - Feasibility of using well-established CMOS processes to fabricate DEP devices. - The use of an exponential function to drive electrowetting displays to reduce flicker and improve the static display performance. - A novel waveform to drive electrophoretic displays with improved display quality and reduced flicker intensity. - Review of how combining electrode structures, single or multiple field magnitudes and/or frequencies, as well as variations in the media suspending the particles can improve the sensitivity of DEP-based particle separations. - Improvement of dielectrophoretic particle chromatography (DPC) of latex particles by exploiting differences in both their DEP mobility and their crossover frequencies.

Technology: general issues --- History of engineering & technology --- dielectrophoresis (DEP) --- microparticles --- polystyrene --- chromatography --- interdigitated electrodes --- microfluidic --- separation --- electrowetting display --- driving waveform --- aperture ratio --- exponential function --- time constant --- single-cell microfluidics --- single-cell recovery --- single-cell array --- hydrodynamic trapping --- electrokinetics --- tridimensional electrodes --- mRNA sequencing --- Drop-seq --- induced charge electrophoresis (ICEP) --- Janus particles --- optical trapping --- phase-sensitive detection --- phoretic force spectroscopy --- ICEP motility reversal --- micro-robotics --- dielectrophoresis --- microfluidics --- cell separation --- electrokinetic --- particle focusing --- electrophoretic display --- particle activation --- response speed --- reference grayscale --- cell immobilization --- lab-on-a-chip --- Clausius–Mossotti function --- dielectric spectroscopy --- interfacial polarization --- proteins --- sleeping sickness --- Human African trypanosomiasis --- trypanosoma --- titanium --- curvature-induced --- n/a --- Clausius-Mossotti function

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

An outstanding compilation that reflects the state-of-the art on Dielectrophoresis (DEP) in 2020. Contributions include: - A novel mathematical framework to analyze particle dynamics inside a circular arc microchannel using computational modeling. - A fundamental study of the passive focusing of particles in ratchet microchannels using direct-current DEP. - A novel molecular version of the Clausius-Mossotti factor that bridges the gap between theory and experiments in DEP of proteins. - The use of titanium electrodes to rapidly enrich T. brucei parasites towards a diagnostic assay. - Leveraging induced-charge electrophoresis (ICEP) to control the direction and speed of Janus particles. - An integrated device for the isolation, retrieval, and off-chip recovery of single cells. - Feasibility of using well-established CMOS processes to fabricate DEP devices. - The use of an exponential function to drive electrowetting displays to reduce flicker and improve the static display performance. - A novel waveform to drive electrophoretic displays with improved display quality and reduced flicker intensity. - Review of how combining electrode structures, single or multiple field magnitudes and/or frequencies, as well as variations in the media suspending the particles can improve the sensitivity of DEP-based particle separations. - Improvement of dielectrophoretic particle chromatography (DPC) of latex particles by exploiting differences in both their DEP mobility and their crossover frequencies.

dielectrophoresis (DEP) --- microparticles --- polystyrene --- chromatography --- interdigitated electrodes --- microfluidic --- separation --- electrowetting display --- driving waveform --- aperture ratio --- exponential function --- time constant --- single-cell microfluidics --- single-cell recovery --- single-cell array --- hydrodynamic trapping --- electrokinetics --- tridimensional electrodes --- mRNA sequencing --- Drop-seq --- induced charge electrophoresis (ICEP) --- Janus particles --- optical trapping --- phase-sensitive detection --- phoretic force spectroscopy --- ICEP motility reversal --- micro-robotics --- dielectrophoresis --- microfluidics --- cell separation --- electrokinetic --- particle focusing --- electrophoretic display --- particle activation --- response speed --- reference grayscale --- cell immobilization --- lab-on-a-chip --- Clausius–Mossotti function --- dielectric spectroscopy --- interfacial polarization --- proteins --- sleeping sickness --- Human African trypanosomiasis --- trypanosoma --- titanium --- curvature-induced --- n/a --- Clausius-Mossotti function