title: On the suitability of nanocrystalline ferrites as a magnetic carrier for drug delivery: functionalization, conjugation and drug release kinetics.
abstract: Superparamagnetic nickel ferrite nanoparticles functionalized with polyvinyl alcohol, polyethylene oxide and polymethacrylic acid (PMAA) polymers and subsequently conjugated with doxorubicin anti-cancer drug are studied for their use as a magnetic carrier for drug delivery. Fourier transform infrared spectroscopy enabled examination of the ability of the nanoparticles to be functionalized with polymers and conjugated with doxorubicin drug. The functionalized polymer-coated nanocrystalline nickel ferrites retain the magnetic characteristics of non-functionalized nanocrystalline nickel ferrites (superparamagnetism, absence of hysteresis, remanence and coercivity at room temperature), encouraging their application as a magnetic carrier for drug delivery. The PMAA-coated nanoferrites are demonstrated as being a potentially superior magnetically targeted drug carrier based on FTIR results and drug release kinetics in the absence and presence of an external magnetic field.
authors.affiliation: Center for Structural and Functional Materials, University of Louisiana at Lafayette, PO Box 44130, Lafayette, LA 70504-4130, USA.
authors.forename: S
authors.initials: S
authors.lastname: Rana
authors.forename: A
authors.initials: A
authors.lastname: Gallo
authors.forename: R S
authors.initials: RS
authors.lastname: Srivastava
authors.forename: R D K
authors.initials: RD
authors.lastname: Misra
mesh_terms: D016503:Drug Delivery Systems; D005290:Ferric Compounds / Q000737:chemistry*; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008280:Magnetics; D008422:Materials Testing; D008956:Models, Chemical; D053758:Nanoparticles / Q000737:chemistry*; D009532:Nickel / Q000737:chemistry; D011092:Polyethylene Glycols / Q000737:chemistry; D011109:Polymethacrylic Acids / Q000737:chemistry*; D011142:Polyvinyl Alcohol / Q000737:chemistry; D017550:Spectroscopy, Fourier Transform Infrared; D013696:Temperature
chemical_list: D005290:Ferric Compounds; D011109:Polymethacrylic Acids; C001215:ferrite; C030613:polymethacrylic acid; D011092:Polyethylene Glycols; D009532:Nickel; D011142:Polyvinyl Alcohol