Search Results - "Fassbender, M. E."

Application of ion exchange and extraction chromatography to the separation of actinium from proton-irradiated thorium metal for analytical purposes by Radchenko, V., Engle, J.W., Wilson, J.J., Maassen, J.R., Nortier, F.M., Taylor, W.A., Birnbaum, E.R., Hudston, L.A., John, K.D., Fassbender, M.E.

“…•Actinium-225 (t1/2=9.92d) is an α-emitting radionuclide for use in targeted alpha therapy.•During proton irradiation of thorium metal, long-lived 227Ac…”
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The new Device for Indirect Capture Experiments on Radionuclides at LANSCE: Efforts on measuring the resonance(s) responsible for the extremely large 88Zr (n,γ) cross section by Stamatopoulos, A, Bond, E M, Bredeweg, T A, Couture, A, B. Di Giovine, Fassbender, M E, Hayes-Sterbenz, A C, Keksis, A L, Matyskin, A, Mocko, V, Parsons, K, Rusev, G, Ullmann, J, Vermeulen, C

“…The thermal neutron capture cross section of 88Zr was recently reported to be the second largest in nature with the largest resonance integral measured…”
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New capability for indirect neutron capture measurements: The DICER instrument at LANSCE by Stamatopoulos, A., Koehler, P., Matyskin, A., Bond, E. M., Bredeweg, T.A., Couture, A., Di Giovine, B., Fassbender, M.E., Hayes-Sterbenz, A. C., Keksis, A. L., Parsons, K., Rusev, G., Ullmann, J., Vermeulen, C.

“…The Device for Indirect Capture on Radionuclides (DICER) implements a new indirect technique for (n, γ ) studies in which the neutron capture rate is…”
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Reference materials for neptunium determination by Jerome, S.M., Carney, K., Essex, R., Fassbender, M.E., Goldberg, S., Kinlaw, M., LaMont, S.P., Mackney, D., Morrison, J.J., Nortier, F.M.

“…•This paper reviews the current state of the art for neptunium reference materials.•Options for the production of Neptunium-236 at three institutes are…”
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Measurement of 227 Ac impurity in 225 Ac using decay energy spectroscopy by Tollefson, A D, Smith, C M, Carpenter, M H, Croce, M P, Fassbender, M E, Koehler, K E, Lilley, L M, O'Brien, E M, Schmidt, D R, Stein, B W, Ullom, J N, Yoho, M D, Mercer, D J

“…Ac is a valuable medical radionuclide for targeted α therapy, but Ac is an undesirable byproduct of an accelerator-based synthesis method under investigation…”
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Measurement of 227Ac impurity in 225Ac using decay energy spectroscopy by Tollefson, A.D., Smith, C.M., Carpenter, M.H., Croce, M.P., Fassbender, M.E., Koehler, K.E., Lilley, L.M., O’Brien, E.M., Schmidt, D.R., Stein, B.W., Ullom, J.N., Yoho, M.D., Mercer, D.J.

“…225Ac is a valuable medical radionuclide for targeted α therapy, but 227Ac is an undesirable byproduct of an accelerator-based synthesis method under…”
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Separation of 44Ti from proton irradiated scandium by using solid-phase extraction chromatography and design of 44Ti/44Sc generator system by Radchenko, V., Meyer, C.A.L., Engle, J.W., Naranjo, C.M., Unc, G.A., Mastren, T., Brugh, M., Birnbaum, E.R., John, K.D., Nortier, F.M., Fassbender, M.E.

“…•44Ti (T1/2 63 a) is a generator for PET isotope 44Sc and can be produced via proton irradiation of Sc.•ZR chromatography resin can be used for the separation…”
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Large scale accelerator production of 225Ac: Effective cross sections for 78–192 MeV protons incident on 232Th targets by Griswold, J. R., Medvedev, D. G., Engle, J. W., Copping, R., Fitzsimmons, J. M., Radchenko, V., Cooley, J. C., Fassbender, M. E., Denton, D. L., Murphy, K. E., Owens, A. C., Birnbaum, E. R., John, K. D., Nortier, F. M., Stracener, D. W., Heilbronn, L. H., Mausner, L. F., Mirzadeh, S.

“…Actinium-225 and 213Bi have been used successfully in targeted alpha therapy (TAT) in preclinical and clinical research. This paper is a continuation of…”
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Large scale accelerator production of 225Ac: Effective cross sections for 78–192MeV protons incident on 232Th targets by Griswold, J.R., Medvedev, D.G., Engle, J.W., Copping, R., Fitzsimmons, J.M., Radchenko, V., Cooley, J.C., Fassbender, M.E., Denton, D.L., Murphy, K.E., Owens, A.C., Birnbaum, E.R., John, K.D., Nortier, F.M., Stracener, D.W., Heilbronn, L.H., Mausner, L.F., Mirzadeh, S.

“…Actinium-225 and 213Bi have been used successfully in targeted alpha therapy (TAT) in preclinical and clinical research. This paper is a continuation of…”
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Large scale accelerator production of 225 Ac: Effective cross sections for 78-192MeV protons incident on 232 Th targets by Griswold, J R, Medvedev, D G, Engle, J W, Copping, R, Fitzsimmons, J M, Radchenko, V, Cooley, J C, Fassbender, M E, Denton, D L, Murphy, K E, Owens, A C, Birnbaum, E R, John, K D, Nortier, F M, Stracener, D W, Heilbronn, L H, Mausner, L F, Mirzadeh, S

“…Actinium-225 and Bi have been used successfully in targeted alpha therapy (TAT) in preclinical and clinical research. This paper is a continuation of research…”
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Selenium-72 formation via nat Br(p,x) induced by 100 MeV protons: steps towards a novel 72Se/72As generator system by Ballard, B, Wycoff, D, Birnbaum, E R, John, K D, Lenz, J W, Jurisson, S S, Cutler, C S, Nortier, F M, Taylor, W A, Fassbender, M E

“…Selenium-72 production by the proton bombardment of a natural NaBr target has been successfully demonstrated at the Los Alamos National Laboratory Isotope…”
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225Ac and 223Ra production via 800 MeV proton irradiation of natural thorium targets by Weidner, J W, Mashnik, S G, John, K D, Ballard, B, Birnbaum, E R, Bitteker, L J, Couture, A, Fassbender, M E, Goff, G S, Gritzo, R, Hemez, F M, Runde, W, Ullmann, J L, Wolfsberg, L E, Nortier, F M

“…Cross sections for the formation of (225,227)Ac, (223,225)Ra, and (227)Th via the proton bombardment of natural thorium targets were measured at a nominal…”
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Proton-induced cross sections relevant to production of 225Ac and 223Ra in natural thorium targets below 200 MeV by Weidner, J W, Mashnik, S G, John, K D, Hemez, F, Ballard, B, Bach, H, Birnbaum, E R, Bitteker, L J, Couture, A, Dry, D, Fassbender, M E, Gulley, M S, Jackman, K R, Ullmann, J L, Wolfsberg, L E, Nortier, F M

“…Cross sections for (223,)(225)Ra, (225)Ac and (227)Th production by the proton bombardment of natural thorium targets were measured at proton energies below…”
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Selenium-72 formation via natBr(p,x) induced by 100 MeV Protons: Steps towards a novel 72Se/72As generator system by Ballard, B, Wycoff, D, Birnbaum, E R, John, K D, Lenz, J W, Jurisson, S S, Cutler, C S, Nortier, F M, Taylor, WA, Fassbender, ME

“…Selenium-72 production by the proton bombardment of a natural NaBr target has been successfully demonstrated at the Los Alamos National Laboratory Isotope…”
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Separation of 44 Ti from proton irradiated scandium by using solid-phase extraction chromatography and design of 44 Ti/ 44 Sc generator system by Radchenko, V, Meyer, C A L, Engle, J W, Naranjo, C M, Unc, G A, Mastren, T, Brugh, M, Birnbaum, E R, John, K D, Nortier, F M, Fassbender, M E

“…Scandium-44g (half-life 3.97h [1]) shows promise for positron emission tomography (PET) imaging of longer biological processes than that of the current gold…”
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Radioarsenic from a portable (72)Se/(72)As generator: a current perspective by Ballard, B, Nortier, F M, Birnbaum, E R, John, K D, Phillips, D R, Fassbender, M E

“…Positron emission tomography (PET) of slower biological processes calls for the use of longer lived positron emitting radioisotopes. Beyond radionuclide…”
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225-Ac and 223-Ra Production via 800 MeV Proton Irradiation of Natural Thorium Target by Weidner, J. W, Mashnik, S. G, John, K. D, Ballard, B, Birnbaum, E. R, Bitteker, L. J, Couture, A, Fassbender, M. E, Goff, G. S, Gritzo, R, Hemez, F. M, Runde, W, Ullmann, J. L, Wolfsberg, L. E, Nortier, F. M

“…Cross sections for the formation of 225,227-Ac, 223,225-Ra, and 227-Th via the proton bombardment of natural thorium targets were measured at a nominal proton…”
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Proton-induced cross sections relevant to production of 225Ac and 223Ra in natural thorium targets below 200 MeV by Weidner, J. W, Mashnik, S. G, John, K. D, Hemez, F, Ballard, B, Bach, H, Birnbaum, E. R, Bitteker, L. J, Couture, A, Dry, D, Fassbender, M. E, Gulley, M. S, Jackman, K. R, Ullmann, J. L, Wolfsberg, L. E, Nortier, F. M

“…Cross sections for 223,225Ra, 225Ac and 227Th production by the proton bombardment of natural thorium targets were measured at proton energies below 200 MeV…”
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