6814 Suchergebnisse für: „“
The Staphylococcus aureus extracellular matrix protein (Emp) has a fibrous structure and bind
The extracellular matrix protein Emp of Staphylococcus aureus is a secreted adhes in that mediates interactions between the bacterial surface and extracellular host structures. However, its structure and...
PublikationenAn optical nanotrap array movable over a milimetre range
We present the theoretical and experimental study of nondiffracting Bessel beams as a device for optical manipulation and confinement of nanoparticles. We express analytically the optical forces acting...
PublikationenOptical forces generated by evanescent standing waves and their usage for sub-micron particle delivery
Recently a non-contact organization of sub-micron colloidal particles in the vicinity of liquid-solid interface attracted great attention in connection with the development of imaging techniques using...
PublikationenOptical conveyor belt for delivery of submicron objects
We demonstrate an optical conveyor belt that provides trapping and subsequent precise delivery of several submicron particles over a distance of hundreds of micrometers. This tool is based on a standing...
PublikationenA dual beam photonic crystal fiber trap for microscopic particles
The dual beam counterpropagating optical trap has found increased use in studies such as optical stretching, optical binding, Raman spectroscopy, and the trapping of high index particles. In this letter...
PublikationenInterference-free superposition of nonzero order light modes: Functionalized optical landscapes
In this paper, we utilize the incoherent superposition of nonzero order light modes. We show that this approach brings an additional degree of freedom to the generation of optical fields and notably the...
PublikationenSpatially optimized gene transfection by laser-induced breakdown of optically trapped nanoparticles
We demonstrate laser-induced breakdown of an optically trapped nanoparticle with a nanosecond laser pulse. Controllable cavitation within a microscope sample was achieved, generating shear stress to monolayers...
PublikationenDynamic size tuning of multidimensional optically bound matter
We generate and dynamically control one-, two- and three-dimensional optically bound structures of soft matter in the geometry of counter-propagating incoherent laser beams. We report results for the Bessel,...
PublikationenSpeed enhancement of multi-particle chain in a traveling standing wave
A moving array of optical traps created by interference of two counter-propagating evanescent waves has been used for delivery of particle chains up to 18 micro-particles long immersed in water. The particles...
PublikationenWavefront corrected light sheet microscopy in turbid media
Light sheet microscopy is a powerful method for three-dimensional imaging of large biological specimens. However, its imaging ability is greatly diminished by sample scattering and aberrations. Optical...
Publikationen