The DOI matches its Crossref record; 87 of the 87 references it cites were found in a registry or an index.
Improving the Heating Efficiency of Iron Oxide Nanoparticles by Tuning Their Shape and Size
Open accessAbstract
Magnetic nanoparticle-mediated hyperthermia is a very promising therapy for cancer treatment. In this field, superparamagnetic iron oxide nanoparticles have been commonly employed because of their intrinsic biocompatibility, but they present some limitations that restrict their heating efficiency (specific absorption rate, SAR). Therefore, we have investigated how tuning the size and shape of these iron oxide nanoparticles can be useful to enhance their hyperthermia responses. Monodisperse and crystalline iron oxide nanoparticles have been synthesized by thermal decomposition in two different shapes (spheres and cubes) in a wide range of sizes, ∼10–100 nm. We have thoroughly characterized them both structurally (X-ray diffraction and transmission electron microscopy) and magnetically (physical property measurement system), and then we have analyzed their heating efficiency using a combination of calorimetric and AC magnetometry measurements (0–800 Oe, 300 kHz). We have been able to delimit a range of optimum sizes to maximize the heating efficiency of these nanoparticles depending on their shape. We find that the nanospheres exhibit the highest heating efficiency for sizes around 30–50 nm, while the nanocubes show a sharp increase in the heating efficiency around 30–35 nm. The SAR variation has been related to the magnetic anisotropy of the nanoparticles that depends on their size, shape, arrangement, and dipolar interactions.
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Cited by
Nguyen, M. D., Tran, H.-V., Xu, S., & Lee, T. R. (2021) · Applied Sciences · doi:10.3390/app112311301 · Cited by 783
Magnetic Nanoparticles as MRI Contrast Agents
Avasthi, A., Caro, C., Pozo-Torres, E., Leal, M. P., & García-Martín, M. L. (2020) · Topics in Current Chemistry · doi:10.1007/s41061-020-00302-w · Cited by 253
Nanowarming using Au-tipped Co 35 Fe 65 ferromagnetic nanowires
Shore, D., Ghemes, A., Dragos-Pinzaru, O., Gao, Z., Shao, Q., Sharma, A., Um, J., Tabakovic, I., Bischof, J. C., & Stadler, B. J. H. (2019) · Nanoscale · doi:10.1039/c9nr01182j · Cited by 42
Multifunctional Magnetic Nanoparticles for Dynamic Imaging and Therapy
Ko, M. J., Hong, H., Choi, H., Kang, H., & Kim, D. (2022) · Advanced NanoBiomed Research · doi:10.1002/anbr.202200053 · Cited by 29
Applications and Efficacy of Iron Oxide Nanoparticles in the Treatment of Brain Tumors
Varalli, L., Berlet, R., Abenojar, E., McDaid, J., Gascoigne, D. A., Bailes, J., & Aksenov, D. P. (2025) · Pharmaceutics · doi:10.3390/pharmaceutics17040499 · Cited by 23
Metadata
- Authors
- Nemati, Z., Alonso, J., Rodrigo, I., Das, R., Garaio, E., García, J. Á., Orue, I., Phan, M.-H., & Srikanth, H.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-01-17
- Volume
- 122
- Issue
- 4
- Pages
- 2367-2381
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2781746665
- Cited by
- 256
- References
- 87
- FWCI
- 11.14
- Type
- journal article
- Language
- en
- Open access
- green
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- Nemati, Z., Alonso, J., Rodrigo, I., Das, R., Garaio, E., García, J. Á., Orue, I., Phan, M.-H., & Srikanth, H. (2018). Improving the Heating Efficiency of Iron Oxide Nanoparticles by Tuning Their Shape and Size. The Journal of Physical Chemistry C. https://doi.org/10.1021/acs.jpcc.7b10528
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