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Université de Fribourg

Simple and fast evaluation of relaxation parameters of magnetic nanoparticles

Lemal, Philipp ; Balog, Sandor ; Ackermann-Hirschi, Liliane ; Taladriz-Blanco, Patricia ; Hirt, Ann M. ; Rothen-Rutishauser, Barbara ; Lattuada, Marco ; Petri-Fink, Alke

In: Journal of Magnetism and Magnetic Materials, 2020, vol. 499, p. 166176

The efficacy of magnetic hyperthermia treatment depends on the optimal available magnetic nanoparticles (MNPs) that are excited in a given alternating magnetic field and viscosity of the region of interest. In this regard, assessing the relevant relaxation parameters is of upmost importance and could improve the speed of development of efficient applications. Here, we demonstrate how to...

Université de Fribourg

Heating behavior of magnetic iron oxide nanoparticles at clinically relevant concentration

Lemal, Philipp ; Balog, Sandor ; Geers, Christoph ; Taladriz-Blanco, Patricia ; Palumbo, Andrea ; M.Hirt, Ann ; Rothen-Rutishauser, Barbara ; Petri-Fink, Alke

In: Journal of Magnetism and Magnetic Materials, 2019, vol. 474, p. 637–642

Magnetic hyperthermia for cancer treatment has gained significant attention in recent years, due to its biocompatibility of applied nanoparticles and the possibility for spatially localized heating in deep tissues. Clinical treatments use nanoparticle concentrations of 112 mg Fe/mL, while the concentrations experimental studies have addressed are considerably smaller, usually between 0.1...

Consortium of Swiss Academic Libraries

Membrane traffic in the secretory pathway : The life cycle of a transport vesicle

Spang, A.

In: Cellular and Molecular Life Sciences, 2008, vol. 65, no. 18, p. 2781-2789

Consortium of Swiss Academic Libraries

Long-term outlook for China's political reform

Zhang, Wei-Wei

In: Asia Europe Journal, 2006, vol. 4, no. 2, p. 151-175

Università della Svizzera italiana

Symbiotic interaction between humans and robot swarms

Nagi, Jawad ; Gambardella, Luca Maria (Dir.) ; Di Caro, Gianni (Codir.)

Thèse de doctorat : Università della Svizzera italiana, 2016 ; 2016INFO003.

Comprising of a potentially large team of autonomous cooperative robots locally interacting and communicating with each other, robot swarms provide a natural diversity of parallel and distributed functionalities, high flexibility, potential for redundancy, and fault-tolerance. The use of autonomous mobile robots is expected to increase in the future and swarm robotic systems are envisioned to...

Université de Neuchâtel

A Galileo E1b,c RF Front-end Optimized for Narrowband Interferers Mitigation

Chastellain Frédéric ; Botteron, Cyril ; Wälchli, Gregoire ; Zamuner, Giuseppe ; Manetti, Davide ; Farine, Pierre-André ; Brault, Patrice

In: GNSS 19th International Technical Meeting of the Satellite Division, 2006, vol. 19, p. 1069-1075

The current Search and Rescue (SAR) service, which is based on the Cospas-Sarsat system, suffers from major limitations such as poor position accuracy, long alert times and high false alarm rate. Two types of distress signals are used, the first 121.5MHz/(up to 100mW) and the second 406MHz/5W, the latter being able to carry digitally encoded identification and position data. The Galileo system...