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DiagNano™ Carboxyl CdSe/ZnS Quantum Dots, 535 nm(DNQ-X083)

Datasheet

CdSe/ZnS core/shell quantum dots with poly (ethylene glycol)-appended dihydrolipoic acid (DHLA-PEG) coatings supplied in water. QDs are capped with a mixture of a desired reactive ligand (10% DHLA-PEG-carboxylic acid) and an inert ligand (90% DHLA-PEG-methoxy) which allows the introduction of a small but controlled fraction of terminal carboxyl groups on the QD surface to modulate the number of bound molecules. They are compact in size, reactive with target molecules and fit for biosensing applications such as FRET. Stable in pH = 5-10 and in buffer of Borate, Tris, HEPES, PBS, MES etc. Autoclavibility: 121°C for 30 min.

Application Notes
Biosensing applications
Diameter
5-6 nm
Functional Group
Carboxyl
Concentration
8.0 μΜ
Storage Buffer
20 mM Tris-HCl with free PDDA
Unit Size
4 nmol, 20 nmol
Emission Max
535 nm +/- 10 nm
Surface Group Density
At least 15 reactive groups on each quantum dot.
Storage
Store at 4 - 25°C. Do not freeze.
Shelf Life
6 months
Quantum Yield
>30%

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