Publication

Highly Fluorescent Streptavidin-Coated CdSe Nanoparticles: Preparation in Water, Characterization, and Micropatterning

Horst Arthur Vogel, Rudolf Hovius, Jean-Manuel Segura, Dimitrios Stamou
2004
Journal Articles

Abstract

CdSe quantum dots (QDs) with a high fluorescence quantum yield of 25% and a narrow size distribution were synthesized in a single step in H2O using glutathione as a stabilizing mol. The exceptional optical properties enabled for the 1st time the detection of in-H2O-prepd. single quantum dots at room temp. For application as fluorescent bioanal. probes, the QDs were coated with streptavidin. These QDs self-assemble with high contrast on micropatterned biotin while preserving their optical properties and their capability to bind in addn. biotinylated mols., a prerequisite for the development of novel supramol. structures and bioassays. [on SciFinder (R)]

Official source

https://infoscience.epfl.ch/entities/publication/434441d9-6fa4-4f1b-80a4-0ef0de08f378

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Horst Arthur Vogel, Rudolf Hovius, Jean-Manuel Segura, Dimitrios Stamou
2004
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/434441d9-6fa4-4f1b-80a4-0ef0de08f378

About this result

Related concepts (24)

Quantum dot

Quantum dots (QDs) – also called semiconductor nanocrystals, are semiconductor particles a few nanometres in size, having optical and electronic properties that differ from those of larger particles as a result of quantum mechanics. They are a central topic in nanotechnology and materials science. When the quantum dots are illuminated by UV light, an electron in the quantum dot can be excited to a state of higher energy. In the case of a semiconducting quantum dot, this process corresponds to the transition of an electron from the valence band to the conductance band.

Quantum dot display

A quantum dot display is a display device that uses quantum dots (QD), semiconductor nanocrystals which can produce pure monochromatic red, green, and blue light. Photo-emissive quantum dot particles are used in LCD backlights or display color filters. Quantum dots are excited by the blue light from the display panel to emit pure basic colors, which reduces light losses and color crosstalk in color filters, improving display brightness and color gamut.

Optical fiber

An optical fiber, or optical fibre in Commonwealth English, is a flexible, transparent fiber made by drawing glass (silica) or plastic to a diameter slightly thicker than that of a human hair. Optical fibers are used most often as a means to transmit light between the two ends of the fiber and find wide usage in fiber-optic communications, where they permit transmission over longer distances and at higher bandwidths (data transfer rates) than electrical cables.

Related publications (8)

Highly Fluorescent Streptavidin-Coated CdSe Nanoparticles: Preparation in Water, Characterization, and Micropatterning

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