کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5491181 | 1524794 | 2017 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Lock-in thermography as a rapid and reproducible thermal characterization method for magnetic nanoparticles
ترجمه فارسی عنوان
ترموگرافی قفل به عنوان یک روش کیفی برای تشخیص سریع و قابل بازیابی برای نانوذرات مغناطیسی
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کلمات کلیدی
ترموگرافی قفل نانوذرات مغناطیسی، هیپرترمی، مشخصات نانو ذرات،
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
چکیده انگلیسی
Lock-in thermography (LIT) is a sensitive imaging technique generally used in engineering and materials science (e.g. detecting defects in composite materials). However, it has recently been expanded for investigating the heating power of nanomaterials, such as superparamagnetic iron oxide nanoparticles (SPIONs). Here we implement LIT as a rapid and reproducible method that can evaluate the heating potential of various sizes of SPIONs under an alternating magnetic field (AMF), as well as the limits of detection for each particle size. SPIONs were synthesized via thermal decomposition and stabilized in water via a ligand transfer process. Thermographic measurements of SPIONs were made by stimulating particles of varying sizes and increasing concentrations under an AMF. Furthermore, a commercially available SPION sample was included as an external reference. While the size dependent heating efficiency of SPIONs has been previously described, our objective was to probe the sensitivity limits of LIT. For certain size regimes it was possible to detect signals at concentrations as low as 0.1Â mg Fe/mL. Measuring at different concentrations enabled a linear regression analysis and extrapolation of the limit of detection for different size nanoparticles.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Magnetism and Magnetic Materials - Volume 427, 1 April 2017, Pages 206-211
Journal: Journal of Magnetism and Magnetic Materials - Volume 427, 1 April 2017, Pages 206-211
نویسندگان
Philipp Lemal, Christoph Geers, Christophe A. Monnier, Federica Crippa, Leopold Daum, Dominic A. Urban, Barbara Rothen-Rutishauser, Mathias Bonmarin, Alke Petri-Fink, Thomas L. Moore,