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Home / Magnetic Particles / Active Magnetic Particles / Ni-Charged / Absolute Mag™ NTA-Ni Iron Oxide Nanoparticles, lipid surface, 20 nm

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Absolute Mag™ NTA-Ni Iron Oxide Nanoparticles, lipid surface, 20 nm(WNM-X090)

Datasheet

Online inquiry

Absolute Mag™ NTA-Ni Iron Oxide Nanoparticles are water soluble iron oxide nanoparticles with lipid coating. These nanoparticles are covalently modified with strong metal-chelating nitrilotriacetic acid (NTA) groups and pre-charged with nickel. Their organic layers have about 1-2 nm thickness and zeta potential ranges from -10 mV to -30 mV. Their hydrodynamic size using a Zeta Trac (DLS) is about 3-8 nm larger than the inorganic core size measured with TEM.
Absolute Mag™ NTA-Ni iron oxide nanoparticles have a high affinity to proteins with histidine (His) tag, about 20-200 fold higher than non-His tagged proteins depending on the iron oxide nanoparticle core size. His-tagged proteins or other biomolecules can be easily attached to Absolute Mag™ NTA-Ni iron oxide nanoparticles and presented in a directional manner for enhanced signal-to-noise and reproducibility. The coating physiological lipids have excellent compatibility for in vivo studies. Absolute Mag™ NTA-Ni iron oxide nanoparticles are stable in most common buffers like borate, Tris, HEPES, PBS and MES buffers, as well as in cell culture medium.

Particle Size

20 nm

Functional Group

Ni-NTA

Surface Coating

Lipid

Concentration

1 mg/mL (Fe)

Storage Buffer

DI H₂O, 0.02% NaN₃

Unit Size

2 mg

Storage

4°C;Do not freeze.

Shelf Life

12 months

Cat. #	Product Name	Unit Size	Price
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