Zobrazeno 1 - 10 of 15 pro vyhledávání: '"Ronald E. Block"'
1
Proton magnetic resonance studies of water in normal and tumor rat tissues
Autor: Gayle P. Maxwell, Ronald E. Block
Publikováno v: Journal of Magnetic Resonance (1969). 14:329-334
Proton nuclear spin-lattice relaxation times (T1) were measured for water in a variety of rat tissues at 13.56 and 100 MHz. The T1 values were found to be longer at the higher frequency. These data were considered in terms of an approximate model in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::66a5c9cd757666fbb2b75645574b3396
https://doi.org/10.1016/0022-2364(74)90292-3
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2
Deuterium nuclear spin relaxation in biological tissues
Autor: Ronald E. Block, Barbara C. Parekh
Publikováno v: Magnetic Resonance in Medicine. 5:286-289
The deuterium nuclear spin relaxation times have been measured in tissues taken from rats given 20% deuterium oxide in their drinking water. The spin–lattice and spin–spin relaxation times were measured at 13.7 MHz by the inversion–recovery and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d29cdb416179c938f3eb6f1a79ca029
https://doi.org/10.1002/mrm.1910050310
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4
Direct proton and natural abundance carbon-13 NMR observation of liver changes induced by ethionine
Autor: Ronald E. Block
Publikováno v: Biochemical and Biophysical Research Communications. 108:940-947
High resolution Fourier transform proton NMR spectra obtained from ethionine-induced fatty livers show lipid-like resonances in the 0.9–3.0 p.p.m. region in addition to the water proton resonance. Partially relaxed proton spectra obtained using the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5b21c7ef9a0bff42c9f5748b5d75871
https://doi.org/10.1016/0006-291x(82)92089-7
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7
Brief Communication: High Resolution Proton Magnetic Resonance Spectral Characteristics of Water, Lipid, and Protein Signals From Three Mouse Cell Populations2
Autor: Gayle P. Maxwell, David L. Prudhomme, Ronald E. Block, Jerry L. Hudson
Publikováno v: JNCI: Journal of the National Cancer Institute. 58:151-156
The high resolution proton magnetic resonance spectral properties of three C57BL/6J mouse cell populations (EL4 ascites tumor cells, normal spleen leukocytes, and normal erythrocytes) were investigated. Packed cell pellets were investigated at 100 MH
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1dbaba08d7346cfa70a5cd6edf0d1e9b
https://doi.org/10.1093/jnci/58.1.151
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9
Conformation and aggregation of bovine myelin proteins
Autor: Al H. Brady, Ronald E. Block, Seymour Joffe
Publikováno v: Biochemical and Biophysical Research Communications. 54:1595-1602
CD and PMR spectra were obtained on three major protein fractions of bovine CNS myelin: the basic A-1 protein, the Folch-Lees proteolipid apoprotein (APL), and the Wolfgram proteolipid protein (WPP). Most PMR peaks of the A-1 broadened on going from
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cb54f7049699add89ae814354a38baba
https://doi.org/10.1016/0006-291x(73)91169-8
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10
Enhanced proton magnetic resonance imaging of experimental mammary tumors
Autor: Barbara C. Parekh, Ronald E. Block
Publikováno v: Magnetic Resonance in Medicine. 6:116-118
The proton magnetic resonance imaging contrast of experimental mammary tumors in rats has been dramatically improved. The technique developed combines T2 weighting and chemical-shift imaging in order to suppress the thoracic wall, muscle, and subcuta
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d93ab79870ef49be4117dd04aef15ba2
https://doi.org/10.1002/mrm.1910060114
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