Jung-Tak Jang

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Carbonized polypyrrole nanoparticles with controlled diameters were readily fabricated by the pyrolysis of polypyrrole nanoparticles. The carbonized polypyrrole nanoparticles showed narrow size distribution, large micropore volume, and high surface area. Magnetic phases were introduced into the carbon nanoparticles during the pyrolysis without sophisticated(More)
In this study, we investigated the effects of recovery time during magnetic nanofluid hyperthermia (MNFH) on the cell death rate and the heat shock proteins 72 (HSP72) induction behavior in retinal ganglion cells (RGCs-5) to provide a possible solution for highly efficient ocular neuroprotection. The recovery time and the heat duration time during MNFH were(More)
Although the blocking temperature of superparamagnetic nanoparticles (SPNPs) is crucial for various spintronics and biomedical applications, the precise determination of the blocking temperature is still not clear. Here, we present 'intrinsic' and 'extrinsic' characteristics of the blocking temperature in SPNP systems. In zero-field-cooled/field-cooled(More)
Magnetically softened iron oxide (MSIO) nanofluid, PEGylated (Mn0.5Zn0.5)Fe2O4, was successfully developed for local induction of heat shock proteins (HSPs) 72 in retinal ganglion cells (RGCs) for ocular neuroprotection. The MSIO nanofluid showed significantly enhanced alternating current (AC) magnetic heat induction characteristics including exceptionally(More)
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