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IPG is a group of water soluble iron oxide nanoparticles with amphiphilic polymer coating conjugated to protein G. Their functional group is protein G. The zeta potential of SHS is from -20mV to -40mV. Their organic layers consist of a monolayer of oleic acid and a monolayer of amphiphilic polymer. The thickness of the total organic layers is about 4 nm. The hydrodynamic size of the nanoparticles is about 8-10 nm larger than their inorganic core size measured by TEM. The protein G molecules are covalently linked to the polymer. IPG is very stable in most buffer solutions.
IPG can bind to the Fc region of IgG thus present Ab in a directional manner for enhanced signal-to-noise ratio and reproducibility.
Catalog No.SizeAmount(Fe weight)Particle Amount(nmole) of 1 mg FePrice($) 
IPG-10-0110 nm1 mg0.86249.00
IPG-15-0115 nm1 mg0.27249.00
IPG-20-0120 nm1 mg0.11249.00
IPG-25-0125 nm1 mg0.058249.00
IPG-30-0130 nm1 mg0.034249.00
1. L. Yang, X. Peng, Y. A.Wang, X.Wang, Z. Cao, C. Ni, P. Karna, X. Zhang, W. C. Wood, X. Gao, S.Nie, H.Mao. Receptor-Targeted Nanoparticles for In vivo Imaging of Breast Cancer. Clinical Cancer Research, 2009, 15, 4722-4732.
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