Abstract:
:A novel cancer treatment method is being designed using a combination of iron oxide (Fe(3)O(4)) nanoparticles (IONPs) and Pluronic F-127 (PF127). IONPs have been used for heating tumors via an alternating electromagnetic (AEM) field. PF127 is a polymer possessing thermo-reversible and concentration-dependent gelation properties in aqueous solutions. PF127, as a gel, is an attractive drug delivery vehicle due to its zero-order drug release property. The combination of IONPs and PF127 would allow both short-term, tumor-specific, hyperthermic treatment, and long-term sustained drug delivery. As a preliminary study, the gelling and heating properties of IONPs/PF127 mixtures were investigated: 18% (w/w) PF127 was found to be ideal for our purpose because it gels at 28.0°C, i.e., it would be injectable at room temperature (20-25°C) and forms gel upon injection into the body (37°C). IONPs in PF127 showed little effect on gelation temperatures. The heating performance of IONPs in PF127 slightly, but linearly decreased with PF127. In the IONP concentration range of 0.01-0.05% (w/v) mixed with PF127 at 18% (w/w), the heating performance increased linearly with the increase in IONP concentration.
journal_name
Adv Exp Med Bioljournal_title
Advances in experimental medicine and biologyauthors
Wang SY,Liu MC,Kang KAdoi
10.1007/978-1-4614-4989-8_44subject
Has Abstractpub_date
2013-01-01 00:00:00pages
315-321eissn
0065-2598issn
2214-8019journal_volume
765pub_type
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