Diatoms as living photonic crystals
WebDiatoms as living photonic crystals. We present an analysis of the optical structure of a representative diatom, Coscinodiscus granii. The silica cell wall can be regarded as a … WebJan 17, 2024 · Diatoms are in focus as biological materials for a range of photonic applications. Many of these applications would require embedding a multitude of diatoms in a matrix (e.g. paint, crème or ...
Diatoms as living photonic crystals
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WebJan 1, 2012 · Photonic crystals are ordered, often complex, sub-wavelength (nano) lattices that can control the propagation of light at the single wave scale in the manner that atomic crystals control electrons. 12 Examples include opal ... Diatoms as living photonic crystals. Appl. Phys. B, 78 (2004), pp. 257-260. View Record in Scopus Google Scholar. … WebDec 13, 2016 · Diatom-based biosensors were developed by the immobilization of a biological sensing element (such as an enzyme, DNA, antibody, or cell) onto the frustule …
WebFeb 1, 2004 · Abstract. We present an analysis of the optical structure of a representative diatom, Coscinodiscus granii. The silica cell wall can be regarded as a photonic crystal slab waveguide with moderate refractive-index contrast. In a cell, at least two different … WebAug 24, 2011 · 2004 Diatoms as living photonic crystals. Appl. Phys. ... 2006 Light-emitting biological photonic crystals: the bioengineering of metamaterials. Proc. SPIE 6182, S161 821–S161 829. Google Scholar. 11. Li C.-W., Chu S.& Lee M.. 1989 Characterizing the silica deposition vesicle of diatoms.
WebDiatoms are microalgae with unique photonic crystal structures, which can be found in every habitat where water is present. ... Their abundance and wide distribution make them ideal materials for a wide range of applications as living organisms. We have developed diatom photonic crystals with plasmonic nanoparticles (NPs) as ultra-sensitive ... WebApr 15, 2024 · Furthermore, the organization with a regular disposition of pores in superimposed layers, in a hierarchically ordered periodic pattern of high and low …
Web15 hours ago · Diatoms are the most important contributors to marine primary production, and their most distinctive feature is the silicified cell wall, known as fru…
WebMar 1, 2024 · This structure is a natural three-dimensional photonic crystal. The optical properties of the silica shell have been described to be ... S., El Rharbi-Kucki, M., … how christian are youWebApr 19, 2024 · Photonic structures of the three-layered C. granii valve facilitated light redistribution and efficient photosynthesis in cell regions distant from the directly illuminated area. The different porous structure of the two sides of the valve exhibited photon trapping and forward scattering of blue light enhancing photosynthetic active radiation ... how christian counseling affects counselorsWebJan 31, 2011 · Diatoms are well known for the intricately patterned nanostructure of their silica-based cell walls. To date, the optical properties of diatom cell-wall ultrastructures … how many pints in a litre irelandWebMay 26, 2009 · The broad photoluminescence peak in the diatom cell wall of C. granii was clearly distinguishable between 400 nm and 700 nm wavelengths, with maximum … how many pints in an ozWebMar 23, 2024 · Experimental measurements of the photonic properties of single diatoms are reported 12,13,14,15,16,17,18,19,20,21,22 and for collections of diatoms or frustules. how christ came to churchWebSep 15, 2024 · Diatoms as living photonic crystals. T. Fuhrmann, S. Landwehr, M. El Rharbi-Kucki, M. Sumper; Physics. 2004; We present an analysis of the optical structure of a representative diatom, Coscinodiscus granii. The silica cell wall can be regarded as a photonic crystal slab waveguide with moderate … Expand. 321. Save. Alert. how many pints in a pergalWebApr 26, 2012 · In particular, diatoms are provided with an external, micro-and nanopatterned silica shell, the frustule, surprisingly similar to artificial photonic crystals and able to manipulate light in many ... how christ fulfilled the law