SQUID-detected microtesla MRI in the presence of metal

Autor: Alexander Pines, Whittier Myers, Michael Hatridge, Nathan Kelso, John Clarke, Seung-Kyun Lee, Michael Mößle, Songi Han

Publikováno v: Moessle, Michael; Han, Song-I.; Myers, Whittier; Lee, Seung-Kyun; Kelso, Nathan; Hatridge, Michael; et al.(2006). SQUID-Detected Microtesla MRI in the presence of Metal. Lawrence Berkeley National Laboratory. Lawrence Berkeley National Laboratory: Lawrence Berkeley National Laboratory. Retrieved from: http://www.escholarship.org/uc/item/2gp773tb

In magnetic resonance imaging (MRI) performed at fields of 1 T and above, the presence of a metal insert can distort the image because of susceptibility differences within the sample and modification of the radiofrequency fields by screening currents

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a16cfcb8022ee0a816ae7c72dee7f5f4
https://doi.org/10.1016/j.jmr.2005.11.005

SQUID-Detected in vivo MRI at Microtesla Magnetic Fields

Autor: Seung-Kyun Lee, Whittier Myers, Michael Hatridge, N. Kelso, John Clarke, Michael Mössle, Alexander Pines

Publikováno v: IEEE Transactions on Appiled Superconductivity. 15:757-760

We use a low transition temperature (T/sub c/) Super-conducting Quantum Interference Device (SQUID) to perform in vivo magnetic resonance imaging (MRI) at magnetic fields around 100 microtesla, corresponding to proton Larmor frequencies of about 5 kH

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::252d85760c6c0118b7502beb1756b6f9
https://doi.org/10.1109/tasc.2005.850043

SQUID-detected MRI at 132 ?T withT1-weighted contrast established at 10 ?T-300 mT

Autor: Michael Mössle, Seung-Kyun Lee, Whittier Myers, Andreas Trabesinger, Alexander Pines, Nathan Kelso, John Clarke

Publikováno v: Magnetic Resonance in Medicine. 53:9-14

T(1)-weighted contrast MRI with prepolarization was detected with a superconducting quantum interference device (SQUID). A spin evolution period in a variable field between prepolarization and detection enabled the measurement of T(1) in fields betwe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8c6b97e1ed464b0bf866e397806a466f
https://doi.org/10.1002/mrm.20316

Measurements of T(1) -relaxation in ex vivo prostate tissue at 132 μT

Autor: Kyle Kuchinsky, Michael Mößle, Whittier Myers, Michael Mück, S. E. Busch, John Clarke, Kevin Chew, Jeffry P. Simko, Michael Hatridge, T. J. Wong

Publikováno v: Magnetic resonance in medicine. 67(4)

The proton T1 was measured at 132 μT in ex vivo prostate tissue specimens from radical prostatectomies of 35 patients with prostate cancer. Each patient provided two specimens. The NMR and MRI measurements involved proton repolarization, a field of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8459a0b010da1ef2d5161b5a38b50842
https://pubmed.ncbi.nlm.nih.gov/22294500

Calculated signal-to-noise ratio of MRI detected with SQUIDs and Faraday detectors in fields from 10 microT to 1.5 T

Autor: Daniel Slichter, Sarah Busch, Michael Mößle, John Clarke, Robert McDermott, Andreas Trabesinger, Michael Hatridge, Whittier Myers

Publikováno v: Journal of magnetic resonance (San Diego, Calif. : 1997). 186(2)

We examine the calculated signal-to-noise ratio (SNR) achievable with different MRI detection modalities in precession fields ranging from 10 microT to 1.5 T. In particular, we compare traditional Faraday detectors with both tuned and untuned detecto

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a07951c6770a930c4ccecc6699e33d9
https://pubmed.ncbi.nlm.nih.gov/17337220