Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Kotsifaki, Domna G."'
Although plasmonic nanotweezers can achieve manipulation on a scale smaller than the diffraction limit, direct trapping of sub-10~nm bioparticles in an aqueous environment without modifications remains challenging. Here, we demonstrate enzyme deliver
Externí odkaz:
http://arxiv.org/abs/2402.12878
One of the most important processes in the fight against current and future pandemics is the rapid diagnosis and initiation of treatment of viruses in humans. In these times, the development of high-sensitivity tests and diagnostic kits is an importa
Externí odkaz:
http://arxiv.org/abs/2212.05636
Strategies for in-liquid micro-organism detection are crucial for the clinical and pharmaceutical industries. While Raman spectroscopy is a promising label-free technique for micro-organism detection, it remains challenging due to the weak bacterial
Externí odkaz:
http://arxiv.org/abs/2211.14226
The pursuit for efficient nanoparticle trapping with low powers has led to optical tweezers technology moving from the conventional free-space configuration to advanced plasmonic tweezers systems. However, trapping nanoparticles smaller than 10 nm st
Externí odkaz:
http://arxiv.org/abs/2211.08613
Optical manipulation has attracted remarkable interest owing to its versatile and non-invasive nature. However, conventional optical trapping remains inefficient for the nanoscopic world. The emergence of plasmonics in recent years has brought a revo
Externí odkaz:
http://arxiv.org/abs/2010.05405
Marine plastic debris is widely recognized as a global environmental issue. Sun-micron plastic particles, with an upper size limit of 20 um, have been identified as having the highest potential for causing damage to marine ecosystems. Having accurate
Externí odkaz:
http://arxiv.org/abs/2008.08259
Autor:
Bouloumis, Theodoros D., Kotsifaki, Domna G., Han, Xue, Chormaic, Sile Nic, Truong, Viet Giang
The manipulation of microparticles using optical forces has led to many applications in the life and physical sciences. To extend optical trapping towards the nano-regime, in this work we demonstrate trapping of single nanoparticles in arrays of plas
Externí odkaz:
http://arxiv.org/abs/2007.08769
Plasmonic nanostructures can overcome Abbe's diffraction limit to generate strong gradient fields, enabling efficient optical trapping of nano-sized particles. However, it remains challenging to achieve stable trapping with low incident laser intensi
Externí odkaz:
http://arxiv.org/abs/2001.08319
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Publikováno v:
Nanophotonics 2019
The ability of metallic nanostructures to confine light at the sub-wavelength scale enables new perspectives and opportunities in the field of nanotechnology. Making use of this unique advantage, nano-optical trapping techniques have been developed t
Externí odkaz:
http://arxiv.org/abs/1905.10591