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A biokinetic and dosimetric model for ionic indium in humans
Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Radiofysik.
2017 (Engelska)Ingår i: Physics in Medicine and Biology, ISSN 0031-9155, E-ISSN 1361-6560, Vol. 62, nr 16, s. 6397-6407Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

This paper reviews biokinetic data for ionic indium, and proposes a biokinetic model for systemic indium in adult humans. The development of parameter values focuses on human data and indium in the form of ionic indium(III), as indium chloride and indium arsenide. The model presented for systemic indium is defined by five different pools: plasma, bone marrow, liver, kidneys and other soft tissues. The model is based on two subsystems: one corresponding to indium bound to transferrin and one where indium is transported back to the plasma, binds to red blood cell transferrin and is then excreted through the kidneys to the urinary bladder. Absorbed doses to several organs and the effective dose are calculated for In-111- and In-113m-ions. The proposed biokinetic model is compared with previously published biokinetic indium models published by the ICRP. The absorbed doses are calculated using the ICRP/ICRU adult reference phantoms and the effective dose is estimated according to ICRP Publication 103. The effective doses for In-111 and In-113m are 0.25 mSv MBq(-1) and 0.013 mSv MBq(-1) respectively. The updated biokinetic and dosimetric models presented in this paper take into account human data and new animal data, which represent more detailed and presumably more accurate dosimetric data than that underlying previous models for indium.

Ort, förlag, år, upplaga, sidor
Institute of Physics Publishing (IOPP), 2017. Vol. 62, nr 16, s. 6397-6407
Nyckelord [en]
biokinetic model, indium, absorbed dsoe, effective dose
Nationell ämneskategori
Annan medicinteknik
Identifikatorer
URN: urn:nbn:se:umu:diva-145625DOI: 10.1088/1361-6560/aa779fISI: 000425825900003PubMedID: 28726676OAI: oai:DiVA.org:umu-145625DiVA, id: diva2:1190596
Tillgänglig från: 2018-03-15 Skapad: 2018-03-15 Senast uppdaterad: 2018-06-09Bibliografiskt granskad

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Johansson, Lennart

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