货号	产品名称	溶剂	表面基团	规格	Fe浓度	粒径	售价	定制周期
Mag2200-2.5mL	羧基化四氧化三铁磁性纳米颗粒（DMSA@Fe3O4）	超纯水	—COOH	2.5 mL	4 mg/mL	10±5nm	1000	1周
Mag2200-5mL	羧基化四氧化三铁磁性纳米颗粒（DMSA@Fe3O4）	超纯水	—COOH	5 mL	4 mg/mL	10±5nm	1800	1周
Mag2200-10mL	羧基化四氧化三铁磁性纳米颗粒（DMSA@Fe3O4）	超纯水	—COOH	10 mL	4 mg/mL	10±5nm	3200	1周

nature
Form: Brown clear hydrocolloid
parameter
Particle diameter: ~ 7 nm
zeta potential: -42.7mV
Fe concentration: about 4 mg / mL, with slight fluctuations from batch to batch
application
For biomolecule coupling, immobilization, nanoprobe construction, etc.
other information
Surface modified carboxyl
High specific surface area, high surface negative charge, and high magnetism
Safety and environmental protection without pollution
Good contrast enhancement with magnetic resonance imaging
Good dispersion and stability
Storage method: sealed, refrigerated at 4 ° C and protected from light
Preparation method: co-precipitation method
Validity: 6 months