Water-soluble Quantum Dots

Description

The water-soluble QDs are made by special surface modification, which have good biocompatibility, small nonspecific adsorption, high quantum yield, high molar extinction coefficient, stable optical properties, narrow emission spectrum. The QDs are easy to couple with biomolecules (antibody, protein, nucleic acid, etc.). and also is the best choice for the new generation of fluorescent labeled probe.

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Water-soluble Quantum Dots

Typical Performance

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wavelength(nm)


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wavelength(nm)


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wavelength(nm)

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wavelength(nm)


  *  Typical PL and UV absorption spectra for CdZn/ZnS QDs with different emitting colors, for reference only. 

Water-soluble Quantum Dots Cd-based QDs



InP合集.png

 

 *  Typical PL and UV absorption spectra for CdZn/ZnS QDs with different emitting colors, for reference only. 

Water-soluble Quantum Dots InP-based QDs

Detail Parameters

Water-soluble InP/ZnS QDs
PL EmissionFWHMSurface LigandsQYAmountCat NO.
480±15nm
<45nm
MPA>35%10/20/30nmolInP/ZnS-480-MPA
PEG-COOH>35%10/20/30nmolInP/ZnS-480-PEG-COOH
525±15nm
<37nm
MPA>40%10/20/30nmolInP/ZnS-525-MPA
PEG-COOH>40%10/20/30nmolInP/ZnS-525-PEG-COOH
560±15nm
<45nm
MPA>40%10/20/30nmolInP/ZnS-560-MPA
PEG-COOH>40%10/20/30nmolInP/ZnS-560-PEG-COOH
600±15nm
<45nm
MPA>40%10/20/30nmolInP/ZnS-600-MPA
PEG-COOH>40%10/20/30nmolInP/ZnS-600-PEG-COOH
625±15nm
<45nm
MPA>40%10/20/30nmolInP/ZnS-625-MPA
PEG-COOH>40%10/20/30nmolInP/ZnS-625-PEG-COOH
700±15nm
<100nm
MPA/10/20/30nmolInP/ZnS-700-MPA
PEG-COOH/10/20/30nmolInP/ZnS-700-PEG-COOH

Notes:             MPA:  3-Mercaptopropionic acid 


Water-soluble CdSe/ZnS QDs
PL EmissionFWHMSurface LigandsQYAmountCat NO.
470±10nm
<25nmMPA >50%10/20/30nmolCdSe/ZnS-470-MPA

CA

CdSe/ZnS-470-CA
GSHCdSe/ZnS-470-GSH
PEG-COOH>40%10/20/30nmolCdSe/ZnS-470-PEG-COOH
PEG-NH2CdSe/ZnS-470-PEG-NH2
525±10nm<25nm
MPA >70%10/20/30nmol
CdSe/ZnS-525-MPA

CA

CdSe/ZnS-525-CA
GSHCdSe/ZnS-525-GSH
PEG-COOH>60%10/20/30nmolCdSe/ZnS-525-PEG-COOH
PEG-NH2CdSe/ZnS-525-PEG-NH2
560±10nm<28nmMPA >70%10/20/30nmol
CdSe/ZnS-560-MPA

CA

CdSe/ZnS-560-CA
GSHCdSe/ZnS-560-GSH
PEG-COOH>60%10/20/30nmolCdSe/ZnS-560-PEG-COOH
PEG-NH2CdSe/ZnS-560-PEG-NH2
645±10nm<30nmMPA >70%10/20/30nmol
CdSe/ZnS-645-MPA

CA

CdSe/ZnS-645-CA
GSHCdSe/ZnS-645-GSH
PEG-COOH>60%10/20/30nmolCdSe/ZnS-645-PEG-COOH
PEG-NH2CdSe/ZnS-645-PEG-NH2

Notes:       MPA:  3-Mercaptopropionic acid        CA:Cysteamine        GSH:Glutathione  


Water-soluble CQDs
PL EmissionFWHMQYSolventConcentrationAmountCat NO.
420±10nm<65nm≥60%water10mg/ml50mg/100mgCQDs-420-Water
505±10nm<55nm≥21%water10mg/ml50mg/100mgCQDs-505-Water
515±10nm<36nm≥75%water10mg/ml50mg/100mgCQDs-515-Water
528±10nm<34nm≥50%water10mg/ml50mg/100mgCQDs-528-Water
572±10nm<36nm≥30%water10mg/ml50mg/100mgCQDs-572-Water
625±10nm<31nm≥20%water10mg/ml50mg/100mgCQDs-625-Water

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