期刊
BULLETIN OF MATERIALS SCIENCE
卷 39, 期 2, 页码 487-490出版社
INDIAN ACAD SCIENCES
DOI: 10.1007/s12034-016-1164-4
关键词
Reverse microemulsion; hyperthermia; magnetic nanoparticles; heat generation
In this study, La0.7Sr0.3Mn0.98Ti0.02O3 (LSMTO) nanoparticles with a perovskite structure and an average particle size of 23.5 nm were synthesized using a reverse microemulsion method. In this method, cetyltrimethylammonium bromide (CTAB) was used as a surfactant, 1-butanol as a co-surfactant, n-hexane as a continuous oil phase, and an aqueous solution containing metal cations or precipitating agent as a dispersed aqueous phase. The aqueous nanodroplets of microemulsions were used for the formation of perovskite precursor. The obtained precursor was then calcined at 700 (a similar to) C for 4 h to convert the precursor to the perovskite phase. In addition, the heating ability of the LSMTO nanoparticles was evaluated under a safe alternating magnetic field used in magnetic hyperthermia therapy. The results showed the fast magneto-temperature response of the prepared sample with sufficient heat loss at the therapeutic temperature range, indicating the LSMTO nanoparticles can be used as a self-regulated heating agent in the magnetic hyperthermia therapy.
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