Abstract
Magnetic nanoparticles and a method for producing the same are disclosed. A carboxylated polysaccharide with various functions such as chelating and ion exchange is covalently bound on the surfaces of magnetic nanoparticles. The polysaccharide-bound magnetic nanoparticles are highly stable, well dispersed, and have many advantages of high adsorption capacity, fast adsorption rate and easy magnetically manipulation. Hence, the polysaccharide-bound magnetic nanoparticles are applied to adsorb many ionic substances, and further act as an adsorbent for wastewater treatment or biochemical separation, a carrier for drugs or gene site-directed delivery, and a magnetic resonance imaging (MRI) contrast agent.
| Translated title of the contribution | 磁性奈米微粒及其製造方法與利用磁性奈米載體分離及輸送物質之方法 |
|---|---|
| Original language | English |
| Patent number | 7547473 |
| Publication status | Published - 2007 May 24 |
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Chen, D-H. (2007). Magnetic nanoparticles and method for producing the same. (Patent No. 7547473).