Superparamagnetic nanoparticles with peg substituted alpha-hydroxy phosponate shells

Superparamagnetic nanoparticles with peg substituted alpha-hydroxy phosponate shells

  • CN 104,159,617 A
  • Filed: 02/28/2013
  • Published: 11/19/2014
  • Est. Priority Date: 03/02/2012
  • Status: Active Grant
First Claim
Patent Images

1. a compositions, described compositions comprises:

  • Nano-particle, is attached with alpha-hydroxyphosphonate part, and wherein said at least one alpha-hydroxyphosphonate partly has the structure of formula I;

    formula I Wherein S is interval base, and L is the key between S and R, and R is PEG, Z is at the alkoxyl of the ω

    of PEG chain end or hydroxy-end capped, the molecular weight of wherein said PEG is greater than approximately 5000 dalton and is less than or equal to approximately 30,000 dalton, and o=0 or 1.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×