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CdTe Quantum Dots, hydrophilic

Easily forms colloidal solutions in water. Terminated with -COOH group. Supplied as a powder readily soluble in water.
Ideal for labeling purposes. Coupling with -NH2 groups can be achieved through EDC-mediated esterefication.

General labeling procedure for proteins
(adopted from Wang et al. Nanoletters 2002, vol. 2, No. 8, 817-822):
Reaction mixture containing 0,1 μM/mL CdTe quantum dots, 2 mg/mL protein, 1 mg/mL sulfo-NHS (CAS# 106627-54-7), 10 mg/mL EDC (CAS# 25952-53-8) in pH 7,0 PBS buffer is prepared and stored for 2-4 h at room temperature and then stored at 4°C overnight. The precipitate (unconjugated Q-dots) if any is removed by centrifugation. The stock of ready-to-use product should be stored at 4°C. Optionally it can be dialyzed on a membrane with MWCO of 12000-14000 against pH 7,0 PBS buffer and stored at 4°C.
Emission wavelength may slightly shift after labeling procedure.

510 ± 5 nm

510 ± 5 nm λ emission maximum. Particles MW ca. 3200 g/mol; 1,5 nm (lit.)

Publications with PlasmaChem products

660 cdte 2

Product ID Package Price excl. VAT 
PL-QDN-510-5mg 5 mg 48,73 EUR
PL-QDN-510-10mg 10 mg 86,79 EUR
PL-QDN-510-25mg 25 mg 185,13 EUR
PL-QDN-510-50mg 50 mg 329,40 EUR
PL-QDN-510-100mg 100 mg 550,00 EUR
520 ± 5 nm

520 ± 5 nm λ emission maximum. Particles MW ca. 16000 g/mol; 2,0 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-520-5mg 5 mg 48,73 EUR
PL-QDN-520-10mg 10 mg 86,79 EUR
PL-QDN-520-25mg 25 mg 185,13 EUR
PL-QDN-520-50mg 50 mg 329,40EUR
PL-QDN-520-100mg 100 mg 550,00 EUR
530 ± 5 nm

530 ± 5 nm λ emission maximum. Particles MW ca. 20000 g/mol; 2,2 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-530-5mg 5 mg 48,73 EUR
PL-QDN-530-10mg 10 mg 86,79 EUR
PL-QDN-530-25mg 25 mg 185,13 EUR
PL-QDN-530-50mg 50 mg 329,40 EUR
PL-QDN-530-100mg 100 mg 550,00 EUR
540 ± 5 nm

540 ± 5 nm λ emission maximum. Particles MW ca. 25000 g/mol; 2,3 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-540-5mg 5 mg 48,73 EUR
PL-QDN-540-10mg 10 mg 86,79 EUR
PL-QDN-540-25mg 25 mg 185,13 EUR
PL-QDN-540-50mg 50 mg 329,40 EUR
PL-QDN-540-100mg 100 mg 550,00 EUR
550 ± 5 nm

550 ± 5 nm λ emission maximum. Particles MW ca. 32000 g/mol; 2,6 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-550-5mg 5 mg 48,73 EUR
PL-QDN-550-10mg 10 mg 86,79 EUR
PL-QDN-550-25mg 25 mg 185,13 EUR
PL-QDN-550-50mg 50 mg 329,40 EUR
PL-QDN-550-100mg 100 mg 550,00 EUR
560 ± 5 nm

560 ± 5 nm λ emission maximum. Particles MW ca. 55000 g/mol; 3,1 nm (lit.)

Publications with PlasmaChem products

560 cdte 1

Product ID Package Price excl. VAT 
PL-QDN-560-5mg 5 mg 48,73 EUR
PL-QDN-560-10mg 10 mg 86,79 EUR
PL-QDN-560-25mg 25 mg 185,13 EUR
PL-QDN-560-50mg 50 mg 329,40 EUR
PL-QDN-560-100mg 100 mg 550,00 EUR
570 ± 5 nm

570 ± 5 nm λ emission maximum. Particles MW ca. 59000 g/mol; 3,1 nm (lit.)

Publications with PlasmaChem products

570 cdte 2570 cdte 1

Product ID Package Price excl. VAT 
PL-QDN-570-5mg 5 mg 48,73 EUR
PL-QDN-570-10mg 10 mg 86,79 EUR
PL-QDN-570-25mg 25 mg 185,13 EUR
PL-QDN-570-50mg 50 mg 329,40 EUR
PL-QDN-570-100mg 100 mg 550,00 EUR
580 ± 5 nm

580 ± 5 nm λ emission maximum. Particles MW ca. 67000 g/mol; 3,2 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-580-5mg 5 mg 48,73 EUR
PL-QDN-580-10mg 10 mg 86,79 EUR
PL-QDN-580-25mg 25 mg 185,13 EUR
PL-QDN-580-50mg 50 mg 329,40 EUR
PL-QDN-580-100mg 100 mg 550,00 EUR
590 ± 5 nm

590 ± 5 nm λ emission maximum. Particles MW ca. 71000 g/mol; 3,3 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-590-5mg 5 mg 48,73 EUR
PL-QDN-590-10mg 10 mg 86,79 EUR
PL-QDN-590-25mg 25 mg 185,13 EUR
PL-QDN-590-50mg 50 mg 329,40 EUR
PL-QDN-590-50mg 100 mg 550,00 EUR
610 ± 5 nm

610 ± 5 nm λ emission maximum. Particles MW ca. 81000 g/mol; 3,5 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-610-5mg 5 mg 48,73 EUR
PL-QDN-610-10mg 10 mg 86,79 EUR
PL-QDN-610-25mg 25 mg 185,13 EUR
PL-QDN-610-50mg 50 mg 329,40 EUR
PL-QDN-610-100mg 100 mg 550,00 EUR
630 ± 5 nm

630 ± 5 nm λ emission maximum. Particles MW ca. 89000 g/mol; 3,6 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-630-5mg 5 mg 48,73 EUR
PL-QDN-630-10mg 10 mg 86,79 EUR
PL-QDN-630-25mg 25 mg 185,13 EUR
PL-QDN-630-50mg 50 mg 329,40 EUR
PL-QDN-630-100mg 100 mg 550,00 EUR
640 ± 5 nm

640 ± 5 nm λ emission maximum. Particles MW ca. 90000 g/mol; 3,7 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-640-5mg 5 mg 48,73 EUR
PL-QDN-640-10mg 10 mg 86,79 EUR
PL-QDN-640-25mg 25 mg 185,13 EUR
PL-QDN-640-50mg 50 mg 329,40 EUR
PL-QDN-640-100mg 100 mg 550,00 EUR
650 ± 5 nm

650 ± 5 nm λ emission maximum. Particles MW ca. 103000 g/mol; 3,8 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-650-5mg 5 mg 48,73 EUR
PL-QDN-650-10mg 10 mg 86,79 EUR
PL-QDN-650-25mg 25 mg 185,13 EUR
PL-QDN-650-50mg 50 mg 329,40 EUR
PL-QDN-650-100mg 100 mg 550,00 EUR
660 ± 5 nm

660 ± 5 nm λ emission maximum. Particles MW ca. 111000 g/mol; 3,9 nm (lit.)

Publications with PlasmaChem products

660 cdte 2660 cdte 1

Product ID Package Price excl. VAT 
PL-QDN-660-5mg 5 mg 48,73 EUR
PL-QDN-660-10mg 10 mg 86,79 EUR
PL-QDN-660-25mg 25 mg 185,13 EUR
PL-QDN-660-50mg 50 mg 329,40 EUR
PL-QDN-660-100mg 100 mg 550,00 EUR
670 ± 5 nm

670 ± 5 nm λ emission maximum. Particles MW ca. 124000 g/mol; 4,0 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-670-5mg 5 mg 48,73 EUR
PL-QDN-670-10mg 10 mg 86,79 EUR
PL-QDN-670-25mg 25 mg 185,13 EUR
PL-QDN-670-50mg 50 mg 329,40 EUR
PL-QDN-670-100mg 100 mg 550,00 EUR
680 ± 5 nm

680 ± 5 nm λ emission maximum. Particles MW ca. 146000 g/mol; 4,2 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-680-5mg 5 mg 48,73 EUR
PL-QDN-680-10mg 10 mg 86,79 EUR
PL-QDN-680-25mg 25 mg 185,13 EUR
PL-QDN-680-50mg 50 mg 329,40 EUR
PL-QDN-680-100mg 100 mg 550,00 EUR
690 ± 5 nm

690 ± 5 nm λ emission maximum. Particles MW ca. 160000 g/mol; 4,3 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-690-5mg 5 mg 48,73 EUR
PL-QDN-690-10mg 10 mg 86,79 EUR
PL-QDN-690-25mg 25 mg 185,13 EUR
PL-QDN-690-50mg 50 mg 329,40 EUR
PL-QDN-690-100mg 100 mg 550,00 EUR
700 ± 5 nm

700 ± 5 nm λ emission maximum. Particles MW ca. 177000 g/mol; 4,5 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-700-5mg 5 mg 48,73 EUR
PL-QDN-700-10mg 10 mg 86,79 EUR
PL-QDN-700-25mg 25 mg 185,13 EUR
PL-QDN-700-50mg 50 mg 329,40 EUR
PL-QDN-700-100mg 100 mg 550,00 EUR
710 ± 5 nm

710 ± 5 nm λ emission maximum. Particles MW ca. 200000 g/mol; 4,7 nm (lit.)

Publications with PlasmaChem products

660 cdte 2710 cdte 1

Product ID Package Price excl. VAT 
PL-QDN-710-5mg 5 mg 48,73 EUR
PL-QDN-710-10mg 10 mg 86,79 EUR
PL-QDN-710-25mg 25 mg 185,13 EUR
PL-QDN-710-50mg 50 mg 329,40 EUR
PL-QDN-710-100mg 100 mg 550,00 EUR
720 ± 5 nm

720 ± 5 nm λ emission maximum. Particles MW ca. 230000 g/mol; 5,0 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-720-5mg 5 mg 48,73 EUR
PL-QDN-720-10mg 10 mg 86,79 EUR
PL-QDN-720-25mg 25 mg 185,13 EUR
PL-QDN-720-50mg 50 mg 329,40 EUR
PL-QDN-720-100mg 100 mg 550,00 EUR
730 ± 5 nm

730 ± 5 nm λ emission maximum. Particles MW ca. 320000 g/mol; 5,4 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-730-5mg 5 mg 48,73 EUR
PL-QDN-730-10mg 10 mg 86,79 EUR
PL-QDN-730-25mg 25 mg 185,13 EUR
PL-QDN-730-50mg 50 mg 329,40 EUR
PL-QDN-730-100mg 100 mg 550,00 EUR
740 ± 5 nm

740 ± 5 nm λ emission maximum. Particles MW ca. 430000 g/mol; 6,0 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-740-5mg 5 mg 48,73 EUR
PL-QDN-740-10mg 10 mg 86,79 EUR
PL-QDN-740-25mg 25 mg 185,13 EUR
PL-QDN-740-50mg 50 mg 329,40 EUR
PL-QDN-740-100mg 100 mg 550,00 EUR
750 ± 5 nm

750 ± 5 nm λ emission maximum. Particles MW ca. 550000 g/mol; 6,5 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-750-5mg 5 mg 48,73 EUR
PL-QDN-750-10mg 10 mg 86,79 EUR
PL-QDN-750-25mg 25 mg 185,13 EUR
PL-QDN-750-50mg 50 mg 329,40 EUR
PL-QDN-750-100mg 100 mg 550,00 EUR
760 ± 5 nm

760 ± 5 nm λ emission maximum. Particles MW ca. 700000 g/mol; 7,1 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-760-5mg 5 mg 48,73 EUR
PL-QDN-760-10mg 10 mg 86,79 EUR
PL-QDN-760-25mg 25 mg 185,13 EUR
PL-QDN-760-50mg 50 mg 329,40 EUR
PL-QDN-760-100mg 100 mg 550,00 EUR
770 ± 5 nm

770 ± 5 nm λ emission maximum. Particles MW ca. 900000 g/mol; 7,8 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-770-5mg 5 mg 48,73 EUR
PL-QDN-770-10mg 10 mg 86,79 EUR
PL-QDN-770-25mg 25 mg 185,13 EUR
PL-QDN-770-50mg 50 mg 329,40 EUR
PL-QDN-770-100mg 100 mg 550,00 EUR
780 ± 5 nm

780 ± 5 nm λ emission maximum. Particles MW ca. 1000000 g/mol; 8,6 nm (lit.)

Product ID Package Price excl. VAT 
PL-QDN-780-5mg 5 mg 48,73 EUR
PL-QDN-780-10mg 10 mg 86,79 EUR
PL-QDN-780-25mg 25 mg 185,13 EUR
PL-QDN-780-50mg 50 mg 329,40 EUR
PL-QDN-780-100mg 100 mg 550,00 EUR