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SPP is a group of water soluble iron oxide nanocrystals with amphiphilic polymer coating and PEG-COOH coating. Their reactive group is carboxylic acid and their zeta potential is from -15 mV to -5 mV. Their organic layer consists of a monolayer of oleic acid, a monolayer of amphiphilic polymer and a monolayer of PEG-COOH. The overall thickness of the organic layers is about 6 nm. SPP is very stable in most buffer solutions in the pH range of 4-10. SPP can be conjugated to amine containing molecules with low non-specific binding.
Catalog No.SizeAmount(Fe weight)Particle Amount(nmole) of 1 mg FePrice($) 
SPP-05-025 nm2 mg6.9199.00
SPP-05-055 nm5 mg6.9449.00
SPP-10-0510 nm5 mg0.86249.00
SPP-10-2510 nm25 mg0.86749.00
SPP-15-0515 nm5 mg0.27249.00
SPP-15-2515 nm25 mg0.27749.00
SPP-20-0520 nm5 mg0.11249.00
SPP-20-2520 nm25 mg0.11749.00
SPP-25-0525 nm5 mg0.058249.00
SPP-25-2525 nm25 mg0.058749.00
SPP-30-0530 nm5 mg0.034249.00
SPP-30-2530 nm25 mg0.034749.00
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