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EFluor Nanocrystal : ウィキペディア英語版 | EFluor Nanocrystal
eFluor nanocrystals are a class of fluorophores made of semiconductor quantum dots. The nanocrystals can be provided as either primary amine, carboxylate, or non-functional groups on the surface, allowing conjugation to biomolecules of a researcher's choice. The nanocrystals can be conjugated to primary antibodies which are used for flow cytometry, immunohistochemistry, microarrays, in vivo imaging and microscopy. ==Size== The optical emission properties of eFluor Nanocrystals are primarily dictated by their size, as discussed in the next section. There are at least two aspects to consider when discussing the "size" of a quantum dot: the physical size of the semiconductor structure, and the size of the entire quantum dot moiety including the associated ligands and hydrophilic coating. The size of the semiconductor structure is tabulated below, and reflects the diameter of the spherical quantum dot without ligands. eFluor Nanocrystals are rendered water-dispersable with a patented poly-ethylene glycol (PEG) lipid layer that functions as both a protective hydrophilic coating around the quantum dot, as well as reducing non-specific binding〔.〕 By dynamic light scattering measurements, the hydrodynamic radius of all eFluor Nanocrystals ranges from 10–13nm.
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