Artificial Radioactivity of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Ti</mml:mi></mml:mrow><mml:mrow><mml:mn>45</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>

Allen, J. S.; Pool, M. L.; Kurbatov, J. D.; Quill, Laurence L.

doi:10.1103/physrev.60.155.2

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“…According to the work of Becker et al [16] metalloproteins are ambitious targets for therapy and diagnosis of tumour growth or neurodegenerative diseases like stroke. In biological studies Vāvere and Welch [17] [19] in 1941, the corresponding -radiation was not discovered till 1960 by Ishii and Takahashi [20]. In 1965 Gföller and Flammersfeld [21] determined the four most intense -rays connected with its decay.…”

Section: Introductionmentioning

confidence: 99%

Positron and γ-ray intensities in the decay of ⁴⁵Ti

Kuhn¹,

Schölten²,

Spahn³

et al. 2015

Radiochimica Acta

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Abstract:To evaluate the PET-imaging properties of the promising positron emitter 45 Ti, its + -and -ray intensities were measured. Use of the cation-exchange resin DOWEX 50W×8 (H + -form) enabled the isolation of radiochemically pure, no-carrier-added 45 Ti from "bulk" scandium after proton bombardment. Thin, no-carrier-added 45 Ti samples were prepared. The combination of -ray and X-ray spectrometry with -coincidence counting allowed for the first time the experimental determination of the positron intensity as (85.67 ± 2.23)% and the absolute intensity of the 720.22 keV -ray as (0.1171 ± 0.0057)%.

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