Works matching AU Bitz, Andreas K.

Results: 31

No effects of GSM-modulated 900 MHz electromagnetic fields on survival rate and spontaneous development of lymphoma in female AKR/J mice.

Published in:

BMC Cancer, 2004, v. 4, p. 77, doi. 10.1186/1471-2407-4-77

By:

Sommer, Angela M.;
Streckert, Joachim;
Bitz, Andreas K.;
Hansen, Volkert W.;
Lerchl, Alexander

Publication type:

Article

Vestibular Effects of a 7 Tesla MRI Examination Compared to 1.5 T and 0 T in Healthy Volunteers.

Published in:

PLoS ONE, 2014, v. 9, n. 3, p. 1, doi. 10.1371/journal.pone.0092104

By:

Theysohn, Jens M.;
Kraff, Oliver;
Eilers, Kristina;
Andrade, Dorian;
Gerwig, Marcus;
Timmann, Dagmar;
Schmitt, Franz;
Ladd, Mark E.;
Ladd, Susanne C.;
Bitz, Andreas K.

Publication type:

Article

Renal imaging at 7 Tesla: preliminary results.

Published in:

2011

By:

Umutlu L;
Orzada S;
Kinner S;
Maderwald S;
Brote I;
Bitz AK;
Kraff O;
Ladd SC;
Antoch G;
Ladd ME;
Quick HH;
Lauenstein TC;
Umutlu, Lale;
Orzada, Stephan;
Kinner, Sonja;
Maderwald, Stefan;
Brote, Irina;
Bitz, Andreas K;
Kraff, Oliver;
Ladd, Susanne C

Publication type:

journal article

31P MR spectroscopic imaging of the human prostate at 7 T: T1 relaxation times, Nuclear Overhauser Effect, and spectral characterization.

Published in:

Magnetic Resonance in Medicine, 2015, v. 73, n. 3, p. 909, doi. 10.1002/mrm.25209

By:

Lagemaat, Miriam W.;
Maas, Marnix C.;
Vos, Eline K.;
Bitz, Andreas K.;
Orzada, Stephan;
Weiland, Elisabeth;
Uden, Mark J.;
Kobus, Thiele;
Heerschap, Arend;
Scheenen, Tom W.J.

Publication type:

Article

Feasibility of T2-weighted turbo spin echo imaging of the human prostate at 7 tesla.

Published in:

Magnetic Resonance in Medicine, 2014, v. 71, n. 5, p. 1711, doi. 10.1002/mrm.24818

By:

Maas, Marnix C.;
Vos, Eline K.;
Lagemaat, Miriam W.;
Bitz, Andreas K.;
Orzada, Stephan;
Kobus, Thiele;
Kraff, Oliver;
Maderwald, Stefan;
Ladd, Mark E.;
Scheenen, Tom W. J.

Publication type:

Article

Mitigation of B1+ inhomogeneity on single-channel transmit systems with TIAMO.

Published in:

Magnetic Resonance in Medicine, 2013, v. 70, n. 1, p. 290, doi. 10.1002/mrm.24453

By:

Orzada, Stephan;
Johst, SörEN;
Maderwald, Stefan;
Bitz, Andreas K.;
Solbach, Klaus;
Ladd, Mark E.

Publication type:

Article

In vivo 31P MR spectroscopic imaging of the human prostate at 7 T: Safety and feasibility.

Published in:

Magnetic Resonance in Medicine, 2012, v. 68, n. 6, p. 1683, doi. 10.1002/mrm.24175

By:

Kobus, Thiele;
Bitz, Andreas K.;
van Uden, Mark J.;
Lagemaat, Miriam W.;
Rothgang, Eva;
Orzada, Stephan;
Heerschap, Arend;
Scheenen, Tom W. J.

Publication type:

Article

RF excitation using time interleaved acquisition of modes (TIAMO) to address B1 inhomogeneity in high-field MRI.

Published in:

Magnetic Resonance in Medicine, 2010, v. 64, n. 2, p. 327, doi. 10.1002/mrm.22527

By:

Orzada, Stephan;
Maderwald, Stefan;
Poser, Benedikt Andreas;
Bitz, Andreas K.;
Quick, Harald H.;
Ladd, Mark E.

Publication type:

Article

Performance and safety assessment of an integrated transmit array for body imaging at 7 T under consideration of specific absorption rate, tissue temperature, and thermal dose.

Published in:

NMR in Biomedicine, 2022, v. 35, n. 5, p. 1, doi. 10.1002/nbm.4656

By:

Fiedler, Thomas M.;
Orzada, Stephan;
Flöser, Martina;
Rietsch, Stefan H. G.;
Schmidt, Simon;
Stelter, Jonathan K.;
Wittrich, Marco;
Quick, Harald H.;
Bitz, Andreas K.;
Ladd, Mark E.

Publication type:

Article

Performance analysis of integrated RF microstrip transmit antenna arrays with high channel count for body imaging at 7 T.

Published in:

NMR in Biomedicine, 2021, v. 34, n. 7, p. 1, doi. 10.1002/nbm.4515

By:

Fiedler, Thomas M.;
Orzada, Stephan;
Flöser, Martina;
Rietsch, Stefan H. G.;
Quick, Harald H.;
Ladd, Mark E.;
Bitz, Andreas K.

Publication type:

Article

Optimized 31P MRS in the human brain at 7 T with a dedicated RF coil setup.

Published in:

NMR in Biomedicine, 2015, v. 28, n. 11, p. 1570, doi. 10.1002/nbm.3422

By:

Bank, Bart L.;
Orzada, Stephan;
Smits, Frits;
Lagemaat, Miriam W.;
Rodgers, Christopher T.;
Bitz, Andreas K.;
Scheenen, Tom W. J.

Publication type:

Article

Effects of mobile phone electromagnetic fields at nonthermal SAR values on melatonin and body weight of Djungarian hamsters ( Phodopus sungorus).

Published in:

Journal of Pineal Research, 2008, v. 44, n. 3, p. 267, doi. 10.1111/j.1600-079X.2007.00522.x

By:

Lerchl, Alexander;
Krüger, Heike;
Niehaus, Michael;
Streckert, Joachim R.;
Bitz, Andreas K.;
Hansen, Volkert

Publication type:

Article

1800 MHz electromagnetic field effects on melatonin release from isolated pineal glands.

Published in:

Journal of Pineal Research, 2006, v. 40, n. 1, p. 86, doi. 10.1111/j.1600-079X.2005.00284.x

By:

Sukhotina, Irina;
Streckert, Joachim R.;
Bitz, Andreas K.;
Hansen, Volkert W.;
Lerchl, Alexander

Publication type:

Article

7T MR Safety.

Published in:

Journal of Magnetic Resonance Imaging, 2021, v. 53, n. 2, p. 333, doi. 10.1002/jmri.27319

By:

Fagan, Andrew J.;
Bitz, Andreas K.;
Björkman‐Burtscher, Isabella M.;
Collins, Christopher M.;
Kimbrell, Vera;
Raaijmakers, Alexander J.E.

Publication type:

Article

A 32-channel parallel transmit system add-on for 7T MRI.

Published in:

PLoS ONE, 2019, v. 14, n. 9, p. 1, doi. 10.1371/journal.pone.0222452

By:

Orzada, Stephan;
Solbach, Klaus;
Gratz, Marcel;
Brunheim, Sascha;
Fiedler, Thomas M.;
Johst, Sören;
Bitz, Andreas K.;
Shooshtary, Samaneh;
Abuelhaija, Ashraf;
Voelker, Maximilian N.;
Rietsch, Stefan H. G.;
Kraff, Oliver;
Maderwald, Stefan;
Flöser, Martina;
Oehmigen, Mark;
Quick, Harald H.;
Ladd, Mark E.

Publication type:

Article

Local SAR compression with overestimation control to reduce maximum relative SAR overestimation and improve multi-channel RF array performance.

Published in:

MAGMA: Magnetic Resonance Materials in Physics, Biology & Medicine, 2021, v. 34, n. 1, p. 153, doi. 10.1007/s10334-020-00890-0

By:

Orzada, Stephan;
Fiedler, Thomas M.;
Bitz, Andreas K.;
Ladd, Mark E.;
Quick, Harald H.

Publication type:

Article

Exposure to high-field MRI does not affect cognitive function.

Published in:

Journal of Magnetic Resonance Imaging, 2010, v. 31, n. 5, p. 1061, doi. 10.1002/jmri.22065

By:

Schlamann, Marc;
Voigt, Melanie A.;
Maderwald, Stefan;
Bitz, Andreas K.;
Kraff, Oliver;
Ladd, Susanne C.;
Ladd, Mark E.;
Forsting, Michael;
Wilhelm, Hans

Publication type:

Article

An 8-channel transceiver 7-channel receive RF coil setup for high SNR ultrahigh-field MRI of the shoulder at 7T.

Published in:

Medical Physics, 2017, v. 44, n. 12, p. 6195, doi. 10.1002/mp.12612

By:

Rietsch, Stefan H. G.;
Pfaffenrot, Viktor;
Bitz, Andreas K.;
Orzada, Stephan;
Brunheim, Sascha;
Lazik‐Palm, Andrea;
Theysohn, Jens M.;
Ladd, Mark E.;
Quick, Harald H.;
Kraff, Oliver

Publication type:

Article

Erratum: 'RF safety assessment of a bilateral four-channel transmit/receive 7 Tesla breast coil: SAR versus tissue temperature limits' [Med. Phys. 44(1), 143-157 (2017)].

Published in:

Medical Physics, 2017, v. 44, n. 2, p. 772, doi. 10.1002/mp.12145

By:

Fiedler, Thomas M.;
Ladd, Mark E.;
Bitz, Andreas K.

Publication type:

Article

RF safety assessment of a bilateral four-channel transmit/receive 7 Tesla breast coil: SAR versus tissue temperature limits.

Published in:

Medical Physics, 2017, v. 44, n. 1, p. 143, doi. 10.1002/mp.12034

By:

Fiedler, Thomas M.;
Ladd, Mark E.;
Bitz, Andreas K.

Publication type:

Article

MR safety assessment of potential RF heating from cranial fixation plates at 7 T.

Published in:

Medical Physics, 2013, v. 40, n. 4, p. 042302, doi. 10.1118/1.4795347

By:

Kraff, Oliver;
Wrede, Karsten H.;
Schoemberg, Tobias;
Dammann, Philipp;
Noureddine, Yacine;
Orzada, Stephan;
Ladd, Mark E.;
Bitz, Andreas K.

Publication type:

Article

Open design eight-channel transmit/receive coil for high-resolution and real-time ankle imaging at 7 T.

Published in:

Medical Physics, 2011, v. 38, n. 3, p. 1162, doi. 10.1118/1.3553399

By:

Orzada, Stephan;
Bitz, Andreas K.;
Schäfer, Lena C.;
Ladd, Susanne C.;
Ladd, Mark E.;
Maderwald, Stefan

Publication type:

Article

An eight-channel transmit/receive multipurpose coil for musculoskeletal MR imaging at 7 T.

Published in:

Medical Physics, 2010, v. 37, n. 12, p. 6368, doi. 10.1118/1.3517176

By:

Kraff, Oliver;
Bitz, Andreas K.;
Dammann, Philipp;
Ladd, Susanne C.;
Ladd, Mark E.;
Quick, Harald H.

Publication type:

Article

Radiofrequency induced heating around aneurysm clips using a generic birdcage head coil at 7 Tesla under consideration of the minimum distance to decouple multiple aneurysm clips.

Published in:

Magnetic Resonance in Medicine, 2019, v. 82, n. 5, p. 1859, doi. 10.1002/mrm.27835

By:

Noureddine, Yacine;
Kraff, Oliver;
Ladd, Mark E.;
Wrede, Karsten;
Chen, Bixia;
Quick, Harald H.;
Schaefers, Gregor;
Bitz, Andreas K.

Publication type:

Article

Development and evaluation of a 16‐channel receive‐only RF coil to improve 7T ultra‐high field body MRI with focus on the spine.

Published in:

Magnetic Resonance in Medicine, 2019, v. 82, n. 2, p. 796, doi. 10.1002/mrm.27731

By:

Rietsch, Stefan H. G.;
Brunheim, Sascha;
Orzada, Stephan;
Voelker, Maximilian N.;
Maderwald, Stefan;
Bitz, Andreas K.;
Gratz, Marcel;
Ladd, Mark E.;
Quick, Harald H.

Publication type:

Article

In vivo self‐gated 23Na MRI at 7 T using an oval‐shaped body resonator.

Published in:

Magnetic Resonance in Medicine, 2018, v. 80, n. 3, p. 1005, doi. 10.1002/mrm.27103

By:

Platt, Tanja;
Umathum, Reiner;
Fiedler, Thomas M.;
Nagel, Armin M.;
Bitz, Andreas K.;
Maier, Florian;
Bachert, Peter;
Ladd, Mark E.;
Wielpütz, Mark O.;
Kauczor, Hans‐Ulrich;
Behl, Nicolas G. R.

Publication type:

Article

Fast and accurate multi‐channel mapping based on the TIAMO technique for 7T UHF body MRI.

Published in:

Magnetic Resonance in Medicine, 2018, v. 79, n. 5, p. 2652, doi. 10.1002/mrm.26925

By:

Brunheim, Sascha;
Gratz, Marcel;
Johst, Sören;
Bitz, Andreas K.;
Fiedler, Thomas M.;
Ladd, Mark E.;
Quick, Harald H.;
Orzada, Stephan

Publication type:

Article

Parallel transmit capability of various RF transmit elements and arrays at 7T MRI.

Published in:

Magnetic Resonance in Medicine, 2018, v. 79, n. 2, p. 1116, doi. 10.1002/mrm.26704

By:

Rietsch, Stefan H. G.;
Orzada, Stephan;
Bitz, Andreas K.;
Gratz, Marcel;
Ladd, Mark E.;
Quick, Harald H.

Publication type:

Article

In vitro and in silico assessment of RF-induced heating around intracranial aneurysm clips at 7 Tesla.

Published in:

Magnetic Resonance in Medicine, 2018, v. 79, n. 1, p. 568, doi. 10.1002/mrm.26650

By:

Noureddine, Yacine;
Kraff, Oliver;
Ladd, Mark E.;
Wrede, Karsten H.;
Chen, Bixia;
Quick, Harald H.;
Schaefers, Gregor;
Bitz, Andreas K.

Publication type:

Article

A method to approximate maximum local SAR in multichannel transmit MR systems without transmit phase information.

Published in:

Magnetic Resonance in Medicine, 2017, v. 78, n. 2, p. 805, doi. 10.1002/mrm.26398

By:

Orzada, Stephan;
Ladd, Mark E.;
Bitz, Andreas K.

Publication type:

Article

1 H MR spectroscopic imaging of the prostate at 7 T using spectral-spatial pulses.

Published in:

Magnetic Resonance in Medicine, 2016, v. 75, n. 3, p. 933, doi. 10.1002/mrm.25569

By:

Lagemaat, Miriam W.;
Breukels, Vincent;
Vos, Eline K.;
Kerr, Adam B.;
van Uden, Mark J.;
Orzada, Stephan;
Bitz, Andreas K.;
Maas, Marnix C.;
Scheenen, Tom W.J.

Publication type:

Article

Works matching AU Bitz, Andreas K.

No effects of GSM-modulated 900 MHz electromagnetic fields on survival rate and spontaneous development of lymphoma in female AKR/J mice.

Vestibular Effects of a 7 Tesla MRI Examination Compared to 1.5 T and 0 T in Healthy Volunteers.

Renal imaging at 7 Tesla: preliminary results.

<sup>31</sup>P MR spectroscopic imaging of the human prostate at 7 T: T<sub>1</sub> relaxation times, Nuclear Overhauser Effect, and spectral characterization.

Feasibility of T<sub>2</sub>-weighted turbo spin echo imaging of the human prostate at 7 tesla.

Mitigation of B<sub>1</sub><sup>+</sup> inhomogeneity on single-channel transmit systems with TIAMO.

In vivo <sup>31</sup>P MR spectroscopic imaging of the human prostate at 7 T: Safety and feasibility.

RF excitation using time interleaved acquisition of modes (TIAMO) to address B<sub>1</sub> inhomogeneity in high-field MRI.

Performance and safety assessment of an integrated transmit array for body imaging at 7 T under consideration of specific absorption rate, tissue temperature, and thermal dose.

Performance analysis of integrated RF microstrip transmit antenna arrays with high channel count for body imaging at 7 T.

Optimized <sup>31</sup>P MRS in the human brain at 7 T with a dedicated RF coil setup.

Effects of mobile phone electromagnetic fields at nonthermal SAR values on melatonin and body weight of Djungarian hamsters ( Phodopus sungorus).

1800 MHz electromagnetic field effects on melatonin release from isolated pineal glands.

7T MR Safety.

A 32-channel parallel transmit system add-on for 7T MRI.

Local SAR compression with overestimation control to reduce maximum relative SAR overestimation and improve multi-channel RF array performance.

Exposure to high-field MRI does not affect cognitive function.

An 8-channel transceiver 7-channel receive RF coil setup for high SNR ultrahigh-field MRI of the shoulder at 7T.

Erratum: 'RF safety assessment of a bilateral four-channel transmit/receive 7 Tesla breast coil: SAR versus tissue temperature limits' [Med. Phys. 44(1), 143-157 (2017)].

RF safety assessment of a bilateral four-channel transmit/receive 7 Tesla breast coil: SAR versus tissue temperature limits.

MR safety assessment of potential RF heating from cranial fixation plates at 7 T.

Open design eight-channel transmit/receive coil for high-resolution and real-time ankle imaging at 7 T.

An eight-channel transmit/receive multipurpose coil for musculoskeletal MR imaging at 7 T.

Radiofrequency induced heating around aneurysm clips using a generic birdcage head coil at 7 Tesla under consideration of the minimum distance to decouple multiple aneurysm clips.

Development and evaluation of a 16‐channel receive‐only RF coil to improve 7T ultra‐high field body MRI with focus on the spine.

In vivo self‐gated <sup>23</sup>Na MRI at 7 T using an oval‐shaped body resonator.

Fast and accurate multi‐channel mapping based on the TIAMO technique for 7T UHF body MRI.

Parallel transmit capability of various RF transmit elements and arrays at 7T MRI.

In vitro and in silico assessment of RF-induced heating around intracranial aneurysm clips at 7 Tesla.

A method to approximate maximum local SAR in multichannel transmit MR systems without transmit phase information.

<sup>1</sup> H MR spectroscopic imaging of the prostate at 7 T using spectral-spatial pulses.