Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Steffen Kaufmann"'
Objective: Bioimpedance measurements are mostly performed utilizing gel electrodes to decrease the occurring electrode-skin impedance. Since in many measurement environments this kind of electrode is not appropriate, the usability of dry electrodes i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50a31012ed2574a9a5095509abb2ba3e
http://arxiv.org/abs/1910.05033
http://arxiv.org/abs/1910.05033
Publikováno v:
Current Directions in Biomedical Engineering, Vol 1, Iss 1, Pp 366-370 (2015)
Pulse wave measurements provide vital information in medical diagnosis. For this reason, a measurement system is developed for determining the transient time of the pulse wave between the heart and the ear. To detect pressure variations in the sealed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::89ca7a2b81357342bd2942f9f2fa4d6d
https://doi.org/10.1515/cdbme-2015-0090
https://doi.org/10.1515/cdbme-2015-0090
Autor:
Steffen Kaufmann, Gunther Ardelt, Roman Kusche, Paula Klimach, Martin Ryschka, Ankit Malhotra
Publikováno v:
Electronics, Vol 4, Iss 3, Pp 507-525 (2015)
Electronics
Volume 4
Issue 3
Pages 507-525
Electronics
Volume 4
Issue 3
Pages 507-525
Electrical impedance tomography (EIT) is an imaging method that is able to estimate the electrical conductivity distribution of living tissue. This work presents a field programmable gate array (FPGA)-based multi-frequency EIT system for complex, tim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::467455c25bb4ca626fcdd9ceb894fd44
http://www.mdpi.com/2079-9292/4/3/507
http://www.mdpi.com/2079-9292/4/3/507
Publikováno v:
Physiological Measurement. 35:1163-1180
Bioimpedance measurements are useful tools in biomedical engineering and life science. Bioimpedance is the electrical impedance of living tissue and can be used in the analysis of various physiological parameters. Bioimpedance is commonly measured by
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fd977be419a7db77733c9f73a2574fb
https://doi.org/10.1088/0967-3334/35/6/1163
https://doi.org/10.1088/0967-3334/35/6/1163
Autor:
Steffen Kaufmann
Steffen Kaufmann entwickelt ein Verfahren zur verbesserten Instrumentierung der Transferimpedanzmessung mit Fokus auf die Anwendung in der Elektroimpedanztomographie (EIT). Die Optimierung wird durch eine Erhöhung des Signal-Rauschabstandes erreicht
Autor:
Matthias Graeser, Hanne Medimagh, Anselm von Gladis, Christian Kaethner, Jan Stelzner, Gael Bringout, Mandy Ahlborg, Ksenija Gräfe, Matthias Weber, Steffen Kaufmann, Kerstin Lüdtke-Buzug, Christina Debbeler, Thorsten M. Buzug, André Behrends, Klaas Bente
Publikováno v:
2015 5th International Workshop on Magnetic Particle Imaging (IWMPI).
In ferrofluids, the magnetization undergos magnetic relaxation processes, which are affected by the concentration of the fluid, the viscosity of the medium, the strength and frequencies of an external magnetic field and the structure of the magnetic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3cf134eecd83ca7f2f5c0ab21a8aadb5
https://doi.org/10.1109/iwmpi.2015.7107078
https://doi.org/10.1109/iwmpi.2015.7107078
Autor:
Matthias Weber, Gael Bringout, W. Tenner, Ksenija Gräfe, Kerstin Lüdtke-Buzug, Jan Stelzner, André Behrends, Christian Kaethner, Steffen Kaufmann, Christina Debbeler, Klaas Bente, Hanne Medimagh, Anselm von Gladis, Matthias Graeser, Thorsten M. Buzug, Mandy Ahlborg
Publikováno v:
2015 5th International Workshop on Magnetic Particle Imaging (IWMPI).
In the past years, different Magnetic Particle Imaging (MPI) scanners for small animals using a field free line (FFL) have been presented [1-3]. In this work, a novel concept of a pre-clinical FFL MPI scanner which can accommodate rabbits is presente
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::deb857791a5d43e175ab221b0ca6409c
https://doi.org/10.1109/iwmpi.2015.7107032
https://doi.org/10.1109/iwmpi.2015.7107032
Autor:
T. Welzel, Matthias Graeser, Kerstin Lüdtke-Buzug, Christina Debbeler, Roman Kusche, Steffen Kaufmann
Publikováno v:
2015 5th International Workshop on Magnetic Particle Imaging (IWMPI).
Conventional methods to evaluate the size of superparamagnetic iron oxide nanoparticles (SPIONs) and their coatings used in magnetic particle imaging (MPI) include photon cross-correlation spectroscopy (PCCS) [1], atomic force microscopy (AFM) [1] an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c6638cfa8151952637848a5877925010
https://doi.org/10.1109/iwmpi.2015.7107062
https://doi.org/10.1109/iwmpi.2015.7107062
Autor:
Steffen Kaufmann
Publikováno v:
Instrumentierung der Bioimpedanzmessung ISBN: 9783658097707
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::954d5bc59e17a092afe778ef322142c8
https://doi.org/10.1007/978-3-658-09771-4_3
https://doi.org/10.1007/978-3-658-09771-4_3
Autor:
Steffen Kaufmann
Publikováno v:
Instrumentierung der Bioimpedanzmessung ISBN: 9783658097707
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22b7f35ef06a734d156e9d1f2506a295
https://doi.org/10.1007/978-3-658-09771-4_7
https://doi.org/10.1007/978-3-658-09771-4_7