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View article: Boundary shape engineering for the spatial control of confined active particles
Boundary shape engineering for the spatial control of confined active particles Open
Unlike an equilibrium gas, the distribution of active particles can be very sensitive to what happens at the boundaries of their container. Experiments and simulations have previously highlighted the possibility of exploiting this behavior…
View article: Single-Cell Elasticity Measurement with an Optically Actuated Microrobot
Single-Cell Elasticity Measurement with an Optically Actuated Microrobot Open
A cell elasticity measurement method is introduced that uses polymer microtools actuated by holographic optical tweezers. The microtools were prepared with two-photon polymerization. Their shape enables the approach of the cells in any lat…
View article: Multiview microscopy of single cells through microstructure-based indirect optical manipulation
Multiview microscopy of single cells through microstructure-based indirect optical manipulation Open
Fluorescent observation of cells generally suffers from the limited axial resolution due to the elongated point spread function of the microscope optics. Consequently, three-dimensional imaging results in axial resolution that is several t…
View article: Direct writing of optical microresonators in a lab-on-a-chip for label-free biosensing
Direct writing of optical microresonators in a lab-on-a-chip for label-free biosensing Open
Hybrid femtosecond laser fabrication of a glass lab-on-a-chip, with an integrated whispering gallery mode resonator, for label-free biomolecule sensing.
View article: Three-dimensional femtosecond laser processing for lab-on-a-chip applications
Three-dimensional femtosecond laser processing for lab-on-a-chip applications Open
The extremely high peak intensity associated with ultrashort pulse width of femtosecond laser allows us to induce nonlinear interaction such as multiphoton absorption and tunneling ionization with materials that are transparent to the lase…
View article: Nearly Aberration-Free Multiphoton Polymerization into Thick Photoresist Layers
Nearly Aberration-Free Multiphoton Polymerization into Thick Photoresist Layers Open
In the era of lab-on-chip (LOC) devices, two-photon polymerization (TPP) is gaining more and more interest due to its capability of producing micrometer-sized 3D structures. With TPP, one may integrate functional structures into microfluid…
View article: High accuracy indirect optical manipulation of live cells with functionalized microtools
High accuracy indirect optical manipulation of live cells with functionalized microtools Open
Optical micro manipulation of live cells has been extensively used to study a wide range of cellular phenomena with relevance in basic research or in diagnostics. The approaches span from manipulation of many cells for high throughput meas…