Invitrogen™ Qdot™ 655 ITK™ Carboxyl Quantum Dots
On demandInvitrogen™ Qdot™ 655 ITK™ Carboxyl Quantum Dots
Qdot® 655 ITK™ carboxyl quantum dots are the ideal starting material for preparing custom conjugates that require high loading of biomolecules. These materials are carboxylate functionalized and can be coupled to amine groups of proteins and modified oligonucleotides using EDC-mediated condensation. The coatings of these probes provides more binding sites than our Qdot® ITK™ amino quantum dots, but lacks PEG linkers that help to prevent non-specific interactions. These materials can be conjugated to X-PEG-amine bi-functional linkers for custom reactivity and higher specificity. Our Qdot® ITK™ carboxyl quantum dots are provided as 8 µM solutions and are available in all 9 Qdot® probe colors.
Features
- Qdot® 655 ITK™ carboxyl quantum dot has emission maxima of ∼655 nm
- Extremely photostable and bright fluorescence
- Efficiently excited with single-line excitation sources
- Narrow emission, large Stokes shift
- Available in multiple colors
- Ideal labeling and tracking applications
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