Activity Standardization of <sup>177</sup>Lu with 4<i>πβ</i>–<i>γ</i> Coincidence Counting Method

Radiopharmaceuticals containing 177Lu are used in nuclear medicine therapy. The National Metrology Institute of Japan has therefore standardized the activity of 177Lu by 4πβ–γ coincidence counting using gamma-rays with energies of 113 and 208 keV. The traceability of activity measurements for 177Lu in Japan is ensured by this standardization.

Authors

Chihiro Shimodan (ORCID: https://orcid.org/0009-0001-9304-5499)
Rio Furukawa (ORCID: https://orcid.org/0000-0001-9592-6719)
Hideki Harano (ORCID: https://orcid.org/0000-0002-8804-4184)
Ryan Smith (ORCID: https://orcid.org/0009-0008-0639-5804)
Yasushi Sato (ORCID: https://orcid.org/0000-0002-5976-1870)

Institutions

National Institute of Advanced Industrial Science and Technology (JP)

Publication Details

Journal: RADIOISOTOPES
Published: 2025-10-15
DOI: https://doi.org/10.3769/radioisotopes.740305
Primary Topic: Medical Imaging Techniques and Applications
Type: article
Field-Weighted Citation Impact: 0.00

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article

Activity Standardization of ¹⁷⁷Lu with 4πβ–γ Coincidence Counting Method

Chihiro Shimodan, Rio Furukawa, Hideki Harano, Ryan Smith et al.

Oct 15, 2025

RADIOISOTOPES

Medical Imaging Techniques and Applications

article

Activity Standardization of ¹⁷⁷Lu with 4πβ–γ Coincidence Counting Method

Chihiro Shimodan, Rio Furukawa, Hideki Harano, Ryan Smith, Yasushi Sato

October 15, 2025article en

Abstract

Radiopharmaceuticals containing 177Lu are used in nuclear medicine therapy. The National Metrology Institute of Japan has therefore standardized the activity of 177Lu by 4πβ–γ coincidence counting using gamma-rays with energies of 113 and 208 keV. The traceability of activity measurements for 177Lu in Japan is ensured by this standardization.

RADIOISOTOPESVol. 74(3)

National Institute of Advanced Industrial Science and Technology (JP)

Openalex Percentile: Top 57%

Medical Imaging Techniques and Applications

DOI Open Access PDF OpenAlex

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