Ultrasonic Properties of Magnetic Nanoparticles with an Additional Biocompatible Dextrane Layer

• Autorzy: Dąbek L. , Hornowski T. , Józefczak A. , Skumiel A.
• Języki publikacji: EN

Abstrakty

EN

The temperature dependence of the particle size distribution (PSD) of the magnetic fluid with an additional biocompatible dextran layer was studied using a ultrasonic method. The measurements of the ultrasound velocity and attenuation were carried out as a function of the volume concentration of magnetite particles at temperatures ranging from 15°C to 40°C. In order to extract the PSD from ultrasonic measurements, the theoretical model of Vinogradov-Isakovich was used. The extraction of PSD from the ultrasonic data requires also the measurements the density and viscosity of the ferrofluid samples. The calculated PSD of the magnetic fluid with an additional biocompatible layer shows a greater thermal stability than that of a magnetic fluid with a single surfactant layer.

Słowa kluczowe

EN

magnetic nanoparticles; ultrasound; particle size distribution

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2013
• Tom: Vol. 38, No. 1
• Strony: 93--98
• Opis fizyczny: Bibliogr. 15 poz., tab., wykr.

Twórcy

autor

Dąbek L.

• Institute of Acoustics, Faculty of Physics, Adam Mickiewicz University Umultowska 85, 61-614 Poznan, Poland

autor

Hornowski T.

• Institute of Acoustics, Faculty of Physics, Adam Mickiewicz University Umultowska 85, 61-614 Poznan, Poland

autor

Józefczak A.

• Institute of Acoustics, Faculty of Physics, Adam Mickiewicz University Umultowska 85, 61-614 Poznan, Poland

autor

Skumiel A.

• Institute of Acoustics, Faculty of Physics, Adam Mickiewicz University Umultowska 85, 61-614 Poznan, Poland

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