Preparation of 99Mo/99mTc generator based on cross-linked chitosan polymer using low-specific activity (n,γ)99Mo

Chattopadhyay, Sankha; Das, Sujata Saha; Alam, Md. Nayer; Madhusmita,

doi:10.1007/s10967-017-5315-x

Cited by 11 publications

(3 citation statements)

References 12 publications

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“…The Mo adsorption capacities of both samples are more significant than the limit of 2-20 mg (Mo) per g (samples) previously reported for commercial alumina in 99 Mo/ 99m Tc generators [34]. The ordered mesoporous alumina prepared in this study is better than several other Mo adsorbents, as seen in Table 3.…”

Section: θ ( O )mentioning

confidence: 49%

Synthesis and Characterization of Ordered and Disordered Mesoporous Alumina as High-Performance Molybdenum-99 Adsorbents

et al. 2021

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Section: θ ( O )mentioning

confidence: 49%

Synthesis and Characterization of Ordered and Disordered Mesoporous Alumina as High-Performance Molybdenum-99 Adsorbents

et al. 2021

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“…However, it is still difficult to apply the (n, γ) method in 99 Mo industrial production due to the low efficiency and complicated processing procedures. Many attempts have been made to overcome the limitations in the (n, γ) method and positive results have reached step by step to produce 99 Mo in laboratory for some proper purposes. − In this work, we proposed a new approach to improve the neutron capture method to produce 99 Mo. It is still an undergoing project, and further experiments are needed to confirm its prospect in the future.…”

Section: Discussionmentioning

confidence: 99%

β-MoO₃ Whiskers in ⁹⁹Mo/^99mTc Radioisotope Production and ⁹⁹Mo/^99mTc Extraction Using Hot Atoms

Ngo,

Fujita,

Suzuki

et al. 2023

Inorg. Chem.

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β-MoO 3 whiskers prepared by a thermal evaporation method and α-MoO 3 particles were irradiated in a nuclear reactor to produce 99 Mo/ 99m Tc radioisotopes via neutron capture. The irradiated targets were then dispersed in water to extract the 99 Mo/ 99m Tc isotopes. Of the 99 Mo formed in the β-MoO 3 whiskers, 64.0 ± 7.4% was extracted with water; by contrast, only 8.8 ± 2.6% of the 99 Mo formed in α-MoO 3 was extracted. By comparing these data to the 98 Mo concentration dissolved in water, we confirmed the hot-atom effect on both β-MoO 3 whisker and α-MoO 3 particle targets to transfer 99 Mo isotopes from irradiated samples to water. In addition, the β-MoO 3 whiskers exhibited a prominent hot-atom effect to transfer a higher ratio of 99 Mo isotopes into water. To the best of our knowledge, this research is the first demonstration of β-MoO 3 being used as an irradiation target in the neutron capture method. On the basis of the results, β-MoO 3 is considered a promising irradiation target for producing 99 Mo/ 99m Tc by neutron capture and using water for the radioisotope extraction process in the future.

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“…Chattopadhyay et al [81] reproduced Hasan's work and reported that the molybdenum adsorption efficiency of the resin is approximately 50-60% (500-600 mg Mo/g of resin) of the loaded activity. A column prepared with the resin was evaluated for routine elution of 99m Tc with 30 mL saline.…”

mentioning

confidence: 86%

Molybdenum-99 production pathways and the sorbents for 99Mo/99mTc generator systems using (n, γ) 99Mo: a review

Hasan

Prelas

2020

SN Appl. Sci.

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Technetiun-99 m (99m Tc) is a widely used and versatile radioisotope obtained from the beta decay of molybdenum (99 Mo). 99 Mo can be produced by thermal fission or neutron activation process. Production of 99 Mo via the neutron capture method draws attention as an alternative to fission derived 99 Mo due to non-proliferation issues. The main concern with neutron capture-produced 99 Mo (n, γ) over the common fission-produced involves both lower Curie yield and lower specific activity. In this work, different adsorbents using low specific activity 99 Mo for 99m Tc generator have been discussed.

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Preparation of 99Mo/99mTc generator based on cross-linked chitosan polymer using low-specific activity (n,γ)99Mo

Cited by 11 publications

References 12 publications

Synthesis and Characterization of Ordered and Disordered Mesoporous Alumina as High-Performance Molybdenum-99 Adsorbents

Synthesis and Characterization of Ordered and Disordered Mesoporous Alumina as High-Performance Molybdenum-99 Adsorbents

β-MoO₃ Whiskers in ⁹⁹Mo/^99mTc Radioisotope Production and ⁹⁹Mo/^99mTc Extraction Using Hot Atoms

Molybdenum-99 production pathways and the sorbents for 99Mo/99mTc generator systems using (n, γ) 99Mo: a review

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Preparation of 99Mo/99mTc generator based on cross-linked chitosan polymer using low-specific activity (n,γ)99Mo

Cited by 11 publications

References 12 publications

Synthesis and Characterization of Ordered and Disordered Mesoporous Alumina as High-Performance Molybdenum-99 Adsorbents

Synthesis and Characterization of Ordered and Disordered Mesoporous Alumina as High-Performance Molybdenum-99 Adsorbents

β-MoO3 Whiskers in 99Mo/99mTc Radioisotope Production and 99Mo/99mTc Extraction Using Hot Atoms

Molybdenum-99 production pathways and the sorbents for 99Mo/99mTc generator systems using (n, γ) 99Mo: a review

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β-MoO₃ Whiskers in ⁹⁹Mo/^99mTc Radioisotope Production and ⁹⁹Mo/^99mTc Extraction Using Hot Atoms