Quantum Dot launches two products

Dec. 17, 2003 — Quantum Dot Corp. has launched two additions to its line of nanocrystal-based fluorescent labels, according to a news release.

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The Qtracker 655 Kit is the first in a new line of labeling reagents designed for introducing nanocrystal-based fluorochromes into live cells. The kit is designed for long-term studies of cells, and can be observed in cells for a week or more. The Qdot 705 Streptavidin Conjugate is for ultrabright, near infrared biodetection, and can penetrate deeply into tissues, gels and animals for biomedical analysis.

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Quantum dots — nanoscale bits of semiconductor material — glow in distinctive colors depending on their size. They have many potential uses, from lasers to solar cells. The Hayward, Calif.-based firm is concentrating on biological detection.

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