Zobrazeno 1 - 10
of 76
pro vyhledávání: '"R. Hiergeist"'
Publikováno v:
PRZEGLĄD ELEKTROTECHNICZNY. 1:45-49
Publikováno v:
Thin Solid Films. 518:4977-4985
Thermal annealing of [Fe 1.65 nm/Pt 1.84 nm] 50 multilayers at 673 K for various annealing times between 60 and 12000 s leads to the direct formation of the fully ordered L1 0 FePt phase with (111) texture. The average grain sizes, determined from X-
Publikováno v:
Journal of Magnetism and Magnetic Materials. 298:7-13
Glass melts in the system Fe 2 O 3 /FeO/CaO/Na 2 O/B 2 O 3 were prepared from the raw materials, by firstly reducing them by flushing with nitrogen and subsequently roller quenching. The flakes obtained had a thickness of around 150 μm and were ther
Autor:
Ingrid Hilger, Dirk Schüler, Werner A. Kaiser, Udo Heyen, Rudolf Hergt, R. Hiergeist, Matthias Zeisberger
Publikováno v:
Journal of Magnetism and Magnetic Materials. 293:80-86
Suspensions of bacterial magnetosomes are investigated with respect to magnetic losses. Mean core diameter of about 30 nm results from TEM, XRD and magnetic analysis. Specific loss power is determined from hysteresis loops, susceptibility spectra and
Publikováno v:
RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren. 177:507-515
The therapeutic strategy for breast cancer is changing, especially for early tumor stages with good prognosis. One potential minimally invasive therapy modality consists in the accumulation of a well-tolerated magnetic material (iron oxides, particul
Autor:
R. Hiergeist, Gunnar Glöckl, Ingrid Hilger, Werner Weitschies, Rudolf Hergt, Matthias Zeisberger, Werner A. Kaiser, Liliana P. Ramirez
Publikováno v:
Journal of Magnetism and Magnetic Materials. 280:358-368
Aqueous ferrofluids of maghemite nanoparticles coated with carboxydextran were investigated with respect to their specific loss power (SLP) in dependence on frequency and field amplitude of magnetic AC-fields. In order to elucidate the effect of the
Autor:
Martin Roskos, Werner A. Kaiser, R. Hiergeist, Werner Linss, Peter Weber, Wilfried Andrä, Rudolf Hergt, Ingrid Hilger, Werner Weitschies, Erik Romanus, Andreas Kießling
Publikováno v:
Nanotechnology. 15:1027-1032
The minimally invasive elimination of tumours using heating as a therapeutic agent is an emerging technology in medical applications. Particularly, the intratumoural application of magnetic nanoparticles as potential heating sources when exposed to a
Autor:
Ingrid Hilger, Shlomo Margel, Rudolf Hergt, R. Hiergeist, U. Richter, Y Lapatnikov, Werner A. Kaiser
Publikováno v:
Journal of Magnetism and Magnetic Materials. 270:345-357
Maghemite nanoparticles covalently coated with polyethylene glycol are investigated with respect to different loss processes in magnetic AC-fields. Transmission electron microscopy reveals a narrow size distribution which may be well approximated by
Autor:
R. Hiergeist, Sylvia Frühauf, Wilfried Andrä, Rudolf Hergt, Werner Linß, Werner A. Kaiser, Ingrid Hilger
Publikováno v:
Journal of Magnetism and Magnetic Materials. 261:7-12
Based on the knowledge that the magnetite particles seem to be well tolerated by the human body, the cytotoxic potential of coated particles was investigated, which had been selected for potential applications regarding the minimal-invasive eliminati
Publikováno v:
Academic Radiology. 9:198-202
In addition to their diagnostic applications, iron oxides could be used therapeutically to eliminate tumors with heat if their heating powers are adequate. The authors therefore examined the specific absorption rate (SAR) of different iron oxide (mag