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Magnetic Quantum Dots- Bright Green

MQDs-Green (ex. 356, em. 525), water-soluble, size 50~100 nm (~3 nm core CdSe/CdS/ZnS surrounded by 5 nm Fe3O4 NPs).

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Reaction conditions, nanocrystal growth and post synthesis modifications are available in our published article here.


Available quantities: 5 mg, 10 mg and 20 mg vials in 15~30 days (time duration may vary depending upon the ordered quantity).


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Ready to ship in 7 business days


Long-term photostability
Bright Green emission at 556 nm with high QY
Long shelf life at 4 ˚C (6~12 months)
Average MQD size: 50~150 nm

Magnetic Quantum Dots- Bright Green

MQDs-Bright Green are specifically designed and developed to meet the requirements of Point-of-Care bioassays, imaging, drugdelivery, display and sensor technological industry for down-converting materials. The nanomaterial has unique multimodal functionality with magnetic, photoluminescence and chemical activity alongside with high reliability. The material has free -COOH and - NH2 functionality readily available for customized conjugation/linking with desired molecules, drugs, proteins or antibodies. The material has high water-solubility and compatible with physiological saline or PBS.

CdSe/CdS/ZnS nanocrystals decorated with Fe3O4 nanoparticles for pointof- care optomagnetic detection of cancer biomarker in serum

Early diagnosis of a progressive cancer disease is currently limited due to lack of adequate point-of-care (PoC)  diagnostic tools. PoC diagnosis enables detecting early signs of a disease and ave way to disease prevention.Here, we developed an immuno-optomagnetic quantum dots based PoC assay for early detection of a cancer biomarker, human epidermal growth factor receptor-2 (hErbB2) protein in serum. This assay utilizes immunooptomagnetic quantum dots (MQDs-Ab2) nanoarchitectures with unique orientation comprised of core CdSe/ CdS/ZnS QD nanocrystals surrounded by layers of magnetic Fe3O4 nanoparticles (MNPs) and a bioactivated borofloat PoC-chip (Ab1). The MQDs-Ab2 and the PoC-chips were designed to bind same hErbB2 analyte,..  Read More

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