Zobrazeno 1 - 10 of 38 pro vyhledávání: '"Philip A. Freedman"'
1
A large-radius high-mass-resolution multiple-collector isotope ratio mass spectrometer for analysis of rare isotopologues of O2, N2, CH4 and other gases
Autor: Douglas Rumble, Philip Anthony Freedman, Edward D. Young, Mark Duncan Mills
Publikováno v: International Journal of Mass Spectrometry. 401:1-10
We describe a unique and novel isotope ratio mass spectrometer (IRMS), the Panorama, developed explicitly for high-mass-resolution analysis of isotopologue ratios of gas samples. The double-focussing instrument routinely operates at a mass resolving
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8a34848e7cab7214b95f33561349e635
https://doi.org/10.1016/j.ijms.2016.01.006
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3
A new variable dispersion double-focusing plasma mass spectrometer with performance illustrated for Pb isotopes
Autor: Y. Guo, Martin Frank, R.K. O'Nions, Nick S. Belshaw, Philip A. Freedman
Publikováno v: International Journal of Mass Spectrometry. 181:51-58
A new generation multiple collector plasma source mass spectrometer (PSMS) produced by Nu Instruments Ltd is evaluated. The instrument has a double-focusing Nier–Johnson analyser with laminated magnet and a novel variable dispersion ion optical arr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ee9245e148b252eef785876b9e83d930
https://doi.org/10.1016/s1387-3806(98)14150-7
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4
Recent developments in inductively coupled plasma magnetic sector multiple collector mass spectrometry
Autor: Andrew J. Walder, Philip A. Freedman, Wen Yi, Chris M. Hall, Damon A. H. Teagle, Alex N. Halliday, John N. Christensen, Der-Chuen Lee, Charles E Jones
Publikováno v: International Journal of Mass Spectrometry and Ion Processes. :21-33
This paper describes advances in isotopic measurements that have been made with an inductively coupled plasma source magnetic sector multiple collector mass spectrometer and presents results of new experiments aimed at further evaluating the instrume
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2277ee250efe112db213ee4ffadca2a9
https://doi.org/10.1016/0168-1176(95)04200-5
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5
Detectable clonal mosaicism and its relationship to aging and cancer
Autor: Jacobs, Kevin B. Yeager, Meredith Zhou, Weiyin Wacholder, Sholom Wang, Zhaoming Rodriguez-Santiago, Benjamin and Hutchinson, Amy Deng, Xiang Liu, Chenwei Horner, Marie-Josephe Cullen, Michael Epstein, Caroline G. Burdett, Laurie Dean, Michael C. Chatterjee, Nilanjan Sampson, Joshua and Chung, Charles C. Kovaks, Joseph Gapstur, Susan M. and Stevens, Victoria L. Teras, Lauren T. Gaudet, Mia M. and Albanes, Demetrius Weinstein, Stephanie J. Virtamo, Jarmo and Taylor, Philip R. Freedman, Neal D. Abnet, Christian C. and Goldstein, Alisa M. Hu, Nan Yu, Kai Yuan, Jian-Min Liao, Linda Ding, Ti Qiao, You-Lin Gao, Yu-Tang Koh, Woon-Puay and Xiang, Yong-Bing Tang, Ze-Zhong Fan, Jin-Hu Aldrich, Melinda C. Amos, Christopher Blot, William J. Bock, Cathryn H. Gillanders, Elizabeth M. Harris, Curtis C. Haiman, Christopher A. Henderson, Brian E. Kolonel, Laurence N. Le Marchand, Loic McNeill, Lorna H. Rybicki, Benjamin A. and Schwartz, Ann G. Signorello, Lisa B. Spitz, Margaret R. and Wiencke, John K. Wrensch, Margaret Wu, Xifeng Zanetti, Krista A. Ziegler, Regina G. Figueroa, Jonine D. and Garcia-Closas, Montserrat Malats, Nuria Marenne, Gaelle and Prokunina-Olsson, Ludmila Baris, Dalsu Schwenn, Molly and Johnson, Alison Landi, Maria Teresa Goldin, Lynn Consonni, Dario Bertazzi, Pier Alberto Rotunno, Melissa Rajaraman, Preetha Andersson, Ulrika Freeman, Laura E. Beane Berg, Christine D. Buring, Julie E. Butler, Mary A. Carreon, Tania and Feychting, Maria Ahlbom, Anders Gaziano, J. Michael and Giles, Graham G. Hallmans, Goran Hankinson, Susan E. Hartge, Patricia Henriksson, Roger Inskip, Peter D. Johansen, Christoffer Landgren, Annelie McKean-Cowdin, Roberta and Michaud, Dominique S. Melin, Beatrice S. Peters, Ulrike and Ruder, Avima M. Sesso, Howard D. Severi, Gianluca Shu, Xiao-Ou Visvanathan, Kala White, Emily Wolk, Alicja and Zeleniuch-Jacquotte, Anne Zheng, Wei Silverman, Debra T. and Kogevinas, Manolis Gonzalez, Juan R. Villa, Olaya Li, Donghui Duell, Eric J. Risch, Harvey A. Olson, Sara H. and Kooperberg, Charles Wolpin, Brian M. Jiao, Li Hassan, Manal and Wheeler, William Arslan, Alan A. Bueno-de-Mesquita, H. Bas and Fuchs, Charles S. Gallinger, Steven Gross, Myron D. and Holly, Elizabeth A. Klein, Alison P. LaCroix, Andrea and Mandelson, Margaret T. Petersen, Gloria Boutron-Ruault, Marie-Christine Bracci, Paige M. Canzian, Federico Chang, Kenneth Cotterchio, Michelle Giovannucci, Edward L. Goggins, Michael Bolton, Judith A. Hoffman Jenab, Mazda Khaw, Kay-Tee and Krogh, Vittorio Kurtz, Robert C. McWilliams, Robert R. and Mendelsohn, Julie B. Rabe, Kari G. Riboli, Elio Tjonneland, Anne Tobias, Geoffrey S. Trichopoulos, Dimitrios Elena, Joanne W. Yu, Herbert Amundadottir, Laufey and Stolzenberg-Solomon, Rachael Z. Kraft, Peter Schumacher, Fredrick Stram, Daniel Savage, Sharon A. Mirabello, Lisa and Andrulis, Irene L. Wunder, Jay S. Patino Garcia, Ana and Sierrasesumaga, Luis Barkauskas, Donald A. Gorlick, Richard G. and Purdue, Mark Chow, Wong-Ho Moore, Lee E. Schwartz, Kendra L. Davis, Faith G. Hsing, Ann W. Berndt, Sonja I. and Black, Amanda Wentzensen, Nicolas Brinton, Louise A. and Lissowska, Jolanta Peplonska, Beata McGlynn, Katherine A. and Cook, Michael B. Graubard, Barry I. Kratz, Christian P. and Greene, Mark H. Erickson, Ralph L. Hunter, David J. Thomas, Gilles Hoover, Robert N. Real, Francisco X. Fraumeni, Jr., Joseph F. Caporaso, Neil E. Tucker, Margaret Rothman, Nathaniel Perez-Jurado, Luis A. Chanock, Stephen J.
In an analysis of 31,717 cancer cases and 26,136 cancer-free controls from 13 genome-wide association studies, we observed large chromosomal abnormalities in a subset of clones in DNA obtained from blood or buccal samples. We observed mosaic abnormal
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2127::3daa212eb6d15a7f979ab0a07315bfc4
https://pergamos.lib.uoa.gr/uoa/dl/object/uoadl:3155700
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6
Isotope ratio measurement of lead, neodymium and neodymium–samarium mixtures, Hafnium and Hafnium–Lutetium mixtures with a double focusing multiple collector inductively coupled plasma mass spectrometer
Autor: Philip A. Freedman, Andrew J. Walder, I. Platzner
Publikováno v: J. Anal. At. Spectrom.. 8:19-23
An inductively coupled plasma (ICP) source coupled to a double focusing magnetic sector mass analyser equipped with seven Faraday detectors has been used to measure the isotopic ratios of lead reference materials using a thallium correction technique
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c28fa9d6a8023a0fb758d257ad770cbb
https://doi.org/10.1039/ja9930800019
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7
High sensitivity skimmers and non-linear mass dependent fractionation in ICP-MS
Autor: Alex N. Halliday, Philip A. Freedman, Jamie Williams, Nick S. Belshaw, Karla Newman
Publikováno v: JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY. 24(6)
A number of prototype high sensitivity skimmers have been developed at Nu Instruments. Signal enhancements of up to a factor of 5 were observed, depending on the element and the sampler-skimmer spacing. However, when using these high sensitivity skim
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b42a00a1e74d5c5410cf917b0909428f
http://ora.ox.ac.uk/objects/uuid:63fd7ba6-103d-4019-8836-d8bb5298fb0a
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8
A Computer Analog of Shuttlebox Avoidance by Human Subjects
Autor: Philip E. Freedman
Publikováno v: The Journal of General Psychology. 117:203-213
Pilot research using a one-hand operated see-saw shuttlebox device demonstrated that (a) subjects who were told that they could do something about the shock aversive stimulus learned avoidance faster than those who were not told, (b) shocks in anothe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1cc1e720c9a7dd01d4e498255829c6a6
https://doi.org/10.1080/00221309.1990.9921138
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9
Enhanced sensitivity in laser ablation multi-collector inductively coupled plasma mass spectrometry
Autor: Philip A. Freedman, Andrew R.C. Kylander-Clark, John M. Cottle, Andrew J. Burrows, Roy S. Cohen
Publikováno v: Journal of Analytical Atomic Spectrometry. 28:1700
This contribution describes the analytical performance resulting from modifications to the source of a Nu Instruments ‘Nu Plasma’ high resolution Multi Collector Inductively Coupled Plasma Mass Spectrometer (MC-ICP-MS). Key advances in the ‘enh
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::05484228e884411f974a4a347e259ba3
https://doi.org/10.1039/c3ja50216c
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10
Akademický článek
High sensitivity skimmers and non-linear mass dependent fractionation in ICP-MS.
Autor: Karla Newman, Philip A. Freedman, Jamie Williams, Nick S. Belshaw, Alex N. Halliday
Publikováno v: JAAS (Journal of Analytical Atomic Spectrometry); Jun2009, Vol. 24 Issue 6, p742-751, 10p
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