Quantum Dots

Quantum dots (Qdot®; Quantum Dot Corp., Hayward, CA) are recently developed fluorescent nanoparticles with properties that differ significantly from those of the small dyes and fluorescent biomolecules considered so far. They comprise three layers, a semiconductor core that is surrounded by a shell, which is then

Table 2

Characteristics of Some Tandem Dyes

Donor Name

Absorption maximum nm (laser line nm)

Acceptor Name

Allophycocyanin

Allophycocyanin

Allophycocyanin

Peridinin-chlorophyll a complex (PerCP)

Phycoerythrin (PE)

Phycoerythrin

495 (488) 650 (635, 647) 650 (635, 647) 650 (635, 647) 490 (488)

Allophycocyanin (APC)

Indodi-

carbocyanine Indodi-

carbocyanine Indodi-

carbocyanine

Allophycocyanin

Tandem dye Commercial Emission name maximum Synonym

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