Nuclear Data Sheets for A=123

Chen, J.

doi:10.1016/j.nds.2021.05.001

Cited by 7 publications

(2 citation statements)

References 321 publications

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“…From the comparison of the experimental data with configuration-constrained potential energy surfaces (CC-PES) [10], projected shell model (PSM) [11], and particle number conserving cranked shell model (PNC-CSM) [12] calculations, we assign one neutron-two proton configurations to the high-spin isomers, two of them involving the π 9/2 + [404] orbital. These are the first reported multiquasiparticle high-K isomers involving the π 9/2[404] orbital in A ≈ 130 nuclei, which previously were only observed in one-quasiparticle bands close to the ground state of odd-even and odd-odd nuclei like the neighboring Pr nuclei (see, e.g., [13]), and in odd-even nuclei just above the Z = 50 closed shell [ [14][15][16][17][18][19][20][21]. No high-K isomers are known in the wellstudied Nd nuclei with N 73 [22][23][24][25][26][27], while high-K isomers with spins 8 − and 7 − built on two-neutron configurations are known in N = 74 and N = 72 isotopes, respectively (see, e.g., [28]).…”

Section: Introductionmentioning

confidence: 89%

High- K three-quasiparticle isomers in the proton-rich nucleus Nd129

Petrache,

Uusitalo,

Briscoe

et al. 2023

Phys. Rev. C

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Section: Introductionmentioning

confidence: 89%

High- K three-quasiparticle isomers in the proton-rich nucleus Nd129

Petrache,

Uusitalo,

Briscoe

et al. 2023

Phys. Rev. C

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“…Several factors affect the quality of I-123 SPECT images, such as the sensitivity and resolution of the detectors, partial volume effects, attenuation and scattering [5][6][7]. The latter is a main issue since I-123 emits photons of 159 keV (83.4%) and 529 keV (1.3%) [8]. The relatively high-energy 529 keV photons can penetrate the septa of the collimators, backscattering into the SPECT detector and contributing to the main energy window at 159 ± 10 keV [6].…”

Section: Introductionmentioning

confidence: 99%

The Impact of Dual and Triple Energy Window Scatter Correction on I-123 Postsurgical Thyroid SPECT/CT Imaging Using a Phantom with Small Sizes of Thyroid Remnants

Michael,

Frangos,

Iakovou

et al. 2024

Life

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I-123 is preferential over I-131 for diagnostic SPECT imaging after a thyroidectomy to determine the presence and size of residual thyroid tissue for radioiodine ablation. Scattering degrades the quality of I-123 SPECT images, primarily due to the penetration of high-energy photons into the main photopeak. The objective of this study was to quantitatively and qualitatively investigate the impact of two widely used window-based scatter correction techniques, the dual energy window (DEW) and triple energy window (TEW) techniques, in I-123 postsurgical SPECT/CT thyroid imaging using an anthropomorphic phantom with small sizes of remnants and anatomically correct surrounding structures. For this purpose, non-scatter-corrected, DEW and TEW scatter-corrected SPECT/CT acquisitions were performed for 0.5–10 mL remnants within a phantom, with 0.5–12.6 MBq administered activities within the remnants, and without and with background-to-remnant activity ratios of 5% and 10%. The decrease in photons, the noise and non-uniformity in the background region due to scatter correction were measured, as well as the signal-to-noise ratio (SNR) and the contrast-to-noise ratio (CNR) from small remnants. The images were also visually evaluated by two experienced nuclear medicine physicians. Scatter correction decreased photons to a higher extent in larger regions than smaller regions. Larger remnants yielded higher SNR and CNR values, particularly at lower background activities. It was found from the quantitative analysis and the qualitative evaluation that TEW scatter correction performed better than DEW scatter correction, particularly at higher background activities, while no significant differences were reported at lower background activities. Scatter correction should be applied in I-123 postsurgical SPECT/CT imaging to improve the image contrast and detectability of small remnants within the background.

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Chemistry of Antimony in Radiopharmaceutical Development: Unlocking the Theranostic Potential of Sb Isotopes

Grundmane,

Radchenko,

Ramogida

2024

ChemPlusChem

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Antimony‐119 (119Sb) holds promise for radiopharmaceutical therapy (RPT), emitting short‐range Auger and conversion electrons that can deliver cytotoxic radiation on a cellular level. While it has high promise theoretically, experimental validation is necessary for 119Sb in vivo applications. Current 119Sb production and separation methods face robustness and compatibility challenges in radiopharmaceutical synthesis. Limited progress in chelator development hampers targeted experiments with 119Sb. This review compiles literature on the toxicological, biodistribution and redox properties of Sb, along with existing Sb complexes, evaluating their suitability for radiopharmaceuticals. Sb(III) is suggested as the preferred oxidation state for radiopharmaceutical elaboration due to its stability in vivo and lack of skeletal uptake. While Sb complexes with both hard and soft donor atoms can be achieved, Sb thiol complexes offer enhanced stability and compatibility with the desired Sb(III) oxidation state. For 119Sb to find application in RPT, scientists need to make discoveries and advancements in the areas of isotope production, and radiometal chelation. This review aims to guide future research towards harnessing the therapeutic potential of 119Sb in RPT.

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Nuclear Data Sheets for A=123

Cited by 7 publications

References 321 publications

High- K three-quasiparticle isomers in the proton-rich nucleus Nd129

High- K three-quasiparticle isomers in the proton-rich nucleus Nd129

The Impact of Dual and Triple Energy Window Scatter Correction on I-123 Postsurgical Thyroid SPECT/CT Imaging Using a Phantom with Small Sizes of Thyroid Remnants

Chemistry of Antimony in Radiopharmaceutical Development: Unlocking the Theranostic Potential of Sb Isotopes

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