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A myosin hypertrophic cardiomyopathy mutation disrupts the super-relaxed state and boosts contractility by enhanced actin attachment. [PDF]
Proc Natl Acad Sci U S ACail RC +5 more
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Wavefront Shaping of Scattering Forces Enhances Optical Trapping of Levitated Nanoparticles. [PDF]
Nat CommunKleine M +6 more
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Optical Force-Induced Nanowire Cut
The Journal of Physical Chemistry Letters, 2022One-dimensional nanometer scale-sized materials, such as nanowires, nanotubes, etc., have gradually become new types of structural components, which can be integrated into micro/nano-opto-electromechanical systems. In this paper, optical forces were applied to cut nanowires precisely, which were broken with arbitrary length ratios.
Yixuan Wu +3 more
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Metamaterials enhancing optical forces
SPIE Proceedings, 2014The interaction between light and matter involves not only an energy transfer, but also the transfer of linear momentum. In everyday life applications this linear momentum of light is too small to play any significant role. However, in nanoscale dimensions, the associated optical forces start to play an increasingly important role.
Ginis, Vincent +3 more
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Non-conservative optical forces
Reports on Progress in Physics, 2017Undoubtedly, laser tweezers are the most recognized application of optically induced mechanical action. Their operation is usually described in terms of conservative forces originating from intensity gradients. However, the fundamental optical action on matter is non-conservative.
Sukhov, Sergey, Dogariu, Aristide
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SPIE Proceedings, 2013
We show how transformation optics can enhance optical gradient forces between two optical waveguides by several orders of magnitude. The technique is based on a coordinate transformation that alters the perceived distance between the waveguides. This transformation can be implemented using single-negative metamaterial thin films.
Ginis, Vincent +3 more
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We show how transformation optics can enhance optical gradient forces between two optical waveguides by several orders of magnitude. The technique is based on a coordinate transformation that alters the perceived distance between the waveguides. This transformation can be implemented using single-negative metamaterial thin films.
Ginis, Vincent +3 more
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Microinstrument gradient-force optical trap
Applied Optics, 1999A micromachined fiber-optic trap is presented. The trap consists of four single-mode, 1064-nm optical intersection. The beam fibers mounted in a micromachined silicon and glass housing. Micromachining provides the necessary precision to align the four optical fibers so that the outputs have a common intersection forms a strong three-dimensional ...
S D, Collins, R J, Baskin, D G, Howitt
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Biological Applications of Optical Forces
Annual Review of Biophysics and Biomolecular Structure, 1994D ESIGN CON SID ERATION S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253 Bll/ding a Trap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253 Beam Steering 254 Trapping Lasers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
K, Svoboda, S M, Block
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Optical Transduction of Chemical Forces
Nano Letters, 2007We describe a plasmonic crystal device possessing utility for optically transducing chemical forces. The device couples complex plasmonic fields to chemical changes via a chemoresponsive, surface-bound hydrogel. We find that this architecture significantly enhances the spectroscopic responses seen at visible wavelengths while enabling capacities for ...
Nathan H, Mack +5 more
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Force–Spectrum Relations for Molecular Optical Force Probes
Angewandte Chemie International Edition, 2014AbstractForce probes allow real‐time monitoring of forces acting in different regions of large molecules and are potentially suited for the investigation of structural changes occurring in macromolecules during, e. g., folding processes.1–10 Such information is crucial for the understanding of mechanochemical reactivity.2, 3, 6, 7 To this end, small ...
Tim, Stauch, Andreas, Dreuw
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