Table 2.
Commercial products of QDs from major distributors.
| Company | Brand | Emission (nm) | Functional groups | Available conjugates |
|---|---|---|---|---|
| Invitrogen | Qdot® | 525, 545,565, 585, 605, 655, 705, 800 |
Amine, Carboxyl, ITK™ organic |
Primary antibody, secondary, antibody, Avidin, Streptavidin, Biotin, Lectin, Isotype control |
| eBioscience | eFluor®Nanocrystal | 490, 525, 545, 565, 585, 605, 625, 650, 700 | Amine, Carboxyl | Primary antibody, secondary, antibody, Streptavidin, Isotype control |
| Millipore | Quantum Dot | 525, 565, 605, 655 | N/A | Secondary antibody, Streptavidin |
| Sigma-Aldrich | Lumidot™ CdS | 380, 400, 420, 440, 460, 480 | N/A | N/A |
| Lumidot™CdSe | 480, 520, 560, 590, 610, 640 | N/A | N/A | |
| NanoGreen™ CdSe/ZnS QDs |
485, 530, 590, 610, 635 | |||
| Trilite™CdSeS/ZnS alloyed QDs | 490, 525, 540, 575, 630, 665 | Carboxyl | ||
| Nanoco Technologies | NanoDot™ (CdSe/ZnS) | 480, 510, 530, 560, 590, 610, 640 | ||
| CFQD™ (Cadmium free) |
400 to 650 | Hexadecylamine (HDA) | N/A | |
| CdSe QD Cores | 480, 520, 560, 590, 610, 640 | HDA or HDA/ Trioctylphosphine oxide(TOPO) |
N/A | |
| CdS QD Cores | 370-390, 390-410, 410-430, 430-450, 450-470, 470-490 | Carboxyl | N/A | |
| Ocean nanotech | Water soluble quantum dots | 450,490, 525, 540, 580, 600, 620, 645, 665 | Monolayer of oleic acid/octadecylamine with a monolayer of amphiphilic polymer, PEG, polydiallydimethyla-mmounium chloride (PDDA), phenylboronic acid (PBA). | N/A |
| Water soluble heavy metal free QD | 530, 580, 655 | Amphiphilic polymer with terminal carboxyl groups | ||
| Crystalplex | Trilite™ | 490, 525, 575, 630, 665 | Carboxylamine, Hydroxyl, Alkyl | N/A |
| Nanoaxis | AxiCad™ | 530, 560, 590, 630, 680, 740 | Mercapto acid/Cysteine | Antibodies, peptides |