{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T13:52:46Z","timestamp":1791640366253,"version":"4.3.4"},"reference-count":27,"publisher":"IOP Publishing","issue":"2","license":[{"start":{"date-parts":[[2015,1,5]],"date-time":"2015-01-05T00:00:00Z","timestamp":1420416000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/publishingsupport.iopscience.iop.org\/iop-standard\/v1"},{"start":{"date-parts":[[2015,1,5]],"date-time":"2015-01-05T00:00:00Z","timestamp":1420416000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["Phys. Med. Biol."],"published-print":{"date-parts":[[2015,1,21]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    The radiation absorbed dose to blood and organs from activity in the blood is relevant for nuclear medicine dosimetry and for research in biodosimetry. The present study provides coefficients for the average absorbed dose rates to the blood from blood-borne activity for radionuclides frequently used in targeted radiotherapy and in PET diagnostics. The results were deduced from published data for vessel radius-dependent dose rate coefficients and reasonable assumptions on the blood-volume distribution as a function of the vessel radius. Different parts of the circulatory system were analyzed separately. Vessel size information for heart chambers, aorta, vena cava, pulmonary artery, and capillaries was taken from published results of morphometric measurements. The remaining blood not contained in the mentioned vessels was assumed to reside in fractal-like vascular trees, the smallest branches of which are the arterioles or venules. The applied vessel size distribution is consistent with recommendations of the ICRP on the blood-volume distribution in the human. The resulting average absorbed dose rates to the blood per nuclear disintegration per milliliter (ml) of blood are (in 10\n                    <jats:sup>\u221211<\/jats:sup>\n                    \u2009Gy\u00b7s\n                    <jats:sup>\u22121<\/jats:sup>\n                    \u00b7Bq\n                    <jats:sup>\u22121<\/jats:sup>\n                    \u00b7ml) Y-90: 5.58, I-131: 2.49, Lu-177: 1.72, Sm-153: 2.97, Tc-99m: 0.366, C-11: 4.56, F-18: 3.61, Ga-68: 5.94, I-124: 2.55. Photon radiation contributes 1.1\u20131.2\u00b710\n                    <jats:sup>\u221211<\/jats:sup>\n                    \u2009Gy\u00b7s\n                    <jats:sup>\u22121<\/jats:sup>\n                    \u00b7Bq\n                    <jats:sup>\u22121<\/jats:sup>\n                    \u00b7ml to the total dose rate for positron emitters but significantly less for the other nuclides. Blood self-absorption of the energy emitted by\n                    <jats:italic>\u00df<\/jats:italic>\n                    -particles in the whole blood ranges from 37% for Y-90 to 80% for Tc-99m. The correspondent values in vascular trees, which are important for the absorbed dose to organs, range from 30% for Y-90 to 82% for Tc-99m.\n                  <\/jats:p>","DOI":"10.1088\/0031-9155\/60\/2\/741","type":"journal-article","created":{"date-parts":[[2015,1,5]],"date-time":"2015-01-05T11:13:16Z","timestamp":1420456396000},"page":"741-753","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":4,"title":["The absorbed dose to blood from blood-borne activity"],"prefix":"10.1088","volume":"60","author":[{"given":"H","family":"H\u00e4nscheid","sequence":"first","affiliation":[{"name":"University of W\u00fcrzburg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M","family":"Fern\u00e1ndez","sequence":"additional","affiliation":[{"name":"University of W\u00fcrzburg"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M","family":"Lassmann","sequence":"additional","affiliation":[{"name":"University of W\u00fcrzburg"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"266","published-online":{"date-parts":[[2015,1,5]]},"reference":[{"key":"pmb505051bib001","first-page":"830","type":"journal-article","article-title":"Absorbed dose calculations to blood and blood vessels for internally deposited radionuclides","volume":"32","author":"Akabani","year":"1991","journal-title":"J. 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All rights, including for text and data mining, AI training, and similar technologies, are reserved.","name":"copyright_information","label":"Copyright Information"},{"value":"2014-07-08","name":"date_received","label":"Date Received","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2014-10-31","name":"date_accepted","label":"Date Accepted","group":{"name":"publication_dates","label":"Publication dates"}},{"value":"2015-01-05","name":"date_epub","label":"Online publication date","group":{"name":"publication_dates","label":"Publication dates"}}]}}