Herein, we report on wavelength-selective and high-contrast multicolour fluorescence photoswitching between white-, orange-, cyan-, and dark-colours in a mixture of two distinguishable emission-coloured photochromic nanoparticles composed of different pairs of a photoswitching unit and a fluorescence unit.
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http://dx.doi.org/10.1039/c7cc02938a | DOI Listing |
We report spectrally selective visible wavelength reflectors using hydrogenated amorphous silicon carbide (a-SiC:H) as a high index contrast material. Beyond 610nm and through the near infrared spectrum, a-SiC:H exhibits very low loss and exhibits an wavelength averaged index of refraction of n = 3.1.
View Article and Find Full Text PDFChem Commun (Camb)
July 2017
Department of Applied Chemistry & Biochemistry, Graduate School of Science & Technology, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, Japan.
Herein, we report on wavelength-selective and high-contrast multicolour fluorescence photoswitching between white-, orange-, cyan-, and dark-colours in a mixture of two distinguishable emission-coloured photochromic nanoparticles composed of different pairs of a photoswitching unit and a fluorescence unit.
View Article and Find Full Text PDFJ Phys Chem C Nanomater Interfaces
January 2009
Institute for Lasers, Photonics and Biophotonics, University at Buffalo, The State University of New York, Buffalo, New York 14260-4200, and Centre for Optical and Electromagnetic Research, Zhejiang University, Hangzhou 310058, China.
In this paper, we report the use of bioconjugated gold nanorods and silver nanoparticles as targeted localized surface plasmon resonance enhanced scattering probes for dark field multiplex and transmission electron microscopy (TEM) imaging of pancreatic cancer cells. We take advantage of the spectrally widely separated localized plasmon resonance of the gold nanorods and silver nanoparticles which produce wavelength selective plasmon resonance scattering to allow multiplex imaging with high contrast. By functionalizing the surfaces, aqueous dispersions of bioconjugated gold nanorods and silver nanoparticles are prepared.
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