IRB- Iron Oxide Magnetic Nanoparticles with Rhodamine B
IRBs are water soluble iron oxide nanoparticles with fluorescence dye Rhodamine B on their surfaces. Their zeta potential is near neutral. The overall thickness of the organic layers is about 6 nm. The hydrodynamic size established using a Zeta Trac DLS is about 12-14 nm larger than the inorganic core size that is measured with TEM.
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IDX- Dextran coated Iron Oxide Magnetic Nanoparticles
Our water soluble dextran coated iron oxide magnetic nanoparticles (Catalog # IDX) are coated with dextran (MW 10,000). IDX contains hydroxyl functional group on the surface of the nanoparticles. The iron oxide nanoparticles in IDX have diameters at 5 or 10 nm. IDX has a zeta potential ranging from -10mV to 0mV and a hydrodynamic size of about 25 nm.
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This year Ocean NanoTech will provide our customers with autoclaved nanoparticles. All components in the conjugation kits are DNAse free, thus suitable for DNA conjugation without extra steps. We now also offer Autoclaved SHP and QSH.
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Quantum Dot Combos
The nanoparticle starter sets called COMBO contain at least three (3) sizes of the nanoparticles of your choice. This offer is limited to the carboxylated/solid quantum dots (QSH & QSP). The QSH-COMBO contains 1 nmole each of the QSH of your choice at the standard 8 uM concentration. The QSP-COMBO contains 10 mg each of the QSP of your choice
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