Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Joachim Streckert"'
Autor:
Martin Zang, Volkert Hansen, Markus Clemens, Joachim Streckert, Oliver Spathmann, Mehrdad Saviz, René Schürmann
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 39:926-941
New medical applications, e.g., aiming at cancer research support, are currently extending the number of technical systems operating in the terahertz (THz) frequency range. This field of applications results in potentially exposed body areas, which h
Autor:
Nora Prochnow, Tina Gebing, Kerstin Ladage, Dorothee Krause-Finkeldey, Abdessamad El Ouardi, Andreas Bitz, Joachim Streckert, Volkert Hansen, Rolf Dermietzel
Publikováno v:
PLoS ONE, Vol 6, Iss 5, p e19437 (2011)
Harmful effects of electromagnetic fields (EMF) on cognitive and behavioural features of humans and rodents have been controversially discussed and raised persistent concern about adverse effects of EMF on general brain functions. In the present stud
Externí odkaz:
https://doaj.org/article/1adea6a1951f48b29e10980dfe417737
Publikováno v:
Advances in Radio Science, Vol 6, Pp 319-323 (2008)
The development of exposure devices for investigating possible effects of mobile communication systems to non-restrained animals aims at a homogenous field distribution in the area the animals occupy. In the presented 900 MHz exposure device a quite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::90dd886ad7a4950bfb432a51c39b6676
https://www.adv-radio-sci.net/6/319/2008/
https://www.adv-radio-sci.net/6/319/2008/
Autor:
Mehrdad Saviz, Konstantin Statnikov, Thomas Fiedler, Oliver Spathmann, Ullrich R. Pfeiffer, Volkert Hansen, Martin Zang, Joachim Streckert, Markus Clemens
Publikováno v:
IEEE Transactions on Terahertz Science and Technology. 5:978-989
The ongoing development of new applications in the terahertz (THz) frequency range, such as wireless communication systems, full-body scanners, or other imaging procedures for biological and medical techniques, rapidly increases the number of persons
Autor:
Volkert Hansen, Thomas Fiedler, Adalbert F. X. Wilhelm, Melanie Klose, Alexander Lerchl, Markus Clemens, Oliver Spathmann, Joachim Streckert, Karen Grote
Publikováno v:
Biochemical and Biophysical Research Communications. 459:585-590
The vast majority of in vitro and in vivo studies did not find cancerogenic effects of exposure to electromagnetic fields (RF-EMF), i.e. emitted by mobile phones and base stations. Previously published results from a pilot study with carcinogen-treat
Autor:
Volkert Hansen, Martin Zang, Oliver Spathmann, Joachim Streckert, Mehrdad Saviz, Markus Clemens
Publikováno v:
IEEE Transactions on Magnetics. 51:1-4
Especially in the THz region, little data is available regarding material properties based on measurements. It has been argued that the effective medium theory could provide a useful tool to estimate material data needed for electromagnetic field com
Autor:
Melanie Klose, Markus Clemens, Oliver Spathmann, Alexander Lerchl, Volkert Hansen, Karen Grote, Joachim Streckert
Publikováno v:
Radiation Research. 182:435-447
Female Wistar rats, from an age of 14 days to 19 months, were exposed in the head region for 2 h per day, 5 days per week, to a GSM-modulated 900 MHz radiofrequency electromagnetic field (RF-EMF). The average specific absorption rates (SAR) in the br
Autor:
Kirstin Taberski, Alexander Lerchl, Volkert Hansen, Melanie Klose, Joachim Streckert, Abdessamad El Ouardi, Karen Grote
Publikováno v:
Radiation Research. 181:617-622
Sixteen male Djungarian hamsters, serving as their own controls, were individually exposed to RF-EMF (900 MHz, GSM modulation) at 0 (sham), 0.08, 0.4 or 4 W/kg specific absorption rate (SAR) in specially constructed rectangular waveguides. Exposure d
Autor:
Volkert Hansen, Mehrdad Saviz, Markus Clemens, Reza Faraji-Dana, Oliver Spathmann, Joachim Streckert
Publikováno v:
IEEE Transactions on Terahertz Science and Technology. 3:635-640
This paper contributes to the topic of radiation safety in the THz band by providing theoretical estimations of the permissible incident power densities over 100 GHz-10 THz. Microthermal absorption has been characterized and a worst-case analysis has
Autor:
Markus Clemens, Mehrdad Saviz, Volkert Hansen, Oliver Spathmann, Reza Faraji-Dana, Lynda Mogouon Toko, Joachim Streckert
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 34:529-538
The dielectric properties of biological tissues and their substructures at terahertz frequencies are needed for computational dosimetry, radiation safety regulation, and medical imaging, but experimental tissue data are only scarcely available for th