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Absolute Mag™ Gold Coated Magnetic Particles, COOH-PEG 5000Da, 50nm(WHM-GC03)


Magnetic nanoparticles coated with gold add new properties (inertness, protection of the magnetic core against oxidation, optical properties) to those of the magnetic particles, without modifying their superparamagnetic behavior. Gold shell is functionalized with poly(ethylene glycol)–thiol (PEG–SH) ligands having a carboxylic acid end group, which can be further used to immobilize covalently biomolecules by formation of stable amide bonds with primary amines.

Application Notes
Magnetic separation; Biosensing; Magnetic hyperthermia; Drug delivery
50 nm
Functional Group
Surface Coating
Gold thickness: 38.2 ± 3.5 nm
0.05 nM
Storage Buffer
Water Type I
Unit Size
1, 5, 25 mL
Number of Particles
3.2E+10 particles/mL
Optical Density
Absorption Max
~536 nm
STORE AT 4°C away from light. DO NOT FREEZE

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