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

Atom Indonesia · Vol. 47 No. 1 (2021) · pp. 45–53

DOI
10.17146/aij.2021.1000
ISSN
2356-5322, 0126-1568
Published
2021-04-16
Publisher
National Research and Innovation Agency
Language
eng
License
creativecommons.org/licenses/by-nc-sa/4.0

Abstract

Molybdenum-99 (99Mo) is the parent radioisotope of technetium-99m (99mTc),an essential medical radioisotope for diagnostic agents in nuclear medicine.In 99Mo/99mTc generator, a chromatography column system with 99Mo adsorbent as afiller is usually used to produce 99mTc in hospitals. However, it is still challenging to find high-performance adsorbentsfor Mo adsorption.We have synthesized both ordered and disordered mesoporous alumina and compared their performance as 99Mo adsorbents. These materials were prepared via a soft-templated method using a triblock copolymer as the template, followed by air calcination at 400°C.The amount of nitric acid (HNO3) and the drying time were adjusted systematically to synthesize the ordered mesoporous alumina. The obtained ordered and disordered mesoporous alumina were characterized by low-and wide-angle X-ray diffractions (XRD), nitrogen adsorption-desorption, thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The 99Mo adsorption capacities of these materials were evaluated by using the batch method. The experimental results show that the ordered mesoporous alumina hasa higher 99Mo adsorption capacity of 72.06 mg(Mo)g-1 than the disordered mesoporous alumina (50.12 mg(Mo)g-1). The results indicate the excellent potential of ordered mesoporous alumina as an adsorbent for the 99Mo/99mTc generator column.

Keywords

Collaboration network of the authors

26 authors · 124 co-authorship links · 43 across different organisations

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  • National Nuclear Energy Agency of Indonesia
  • Bandung Institute of Technology
  • Japan Atomic Energy Agency
  • National Institute for Materials Science
  • Padjadjaran University
  • Chiyoda Technol Corporation (Japan)
  • Affiliation unknown
  • Different organisations
  • Same organisation
  • Affiliation unknown
  • Thicker line = more joint articles · bigger circle = more articles
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Co-authorOrganisationJoint articles
Marlina MarlinaNational Nuclear Energy Agency of Indonesia5
K KadarismanNational Nuclear Energy Agency of Indonesia4
Sriyono SriyonoNational Nuclear Energy Agency of Indonesia3
Endang SarminiNational Nuclear Energy Agency of Indonesia3
Herlan SetiawanNational Nuclear Energy Agency of Indonesia3
A AbidinNational Nuclear Energy Agency of Indonesia3
Enny LestariNational Nuclear Energy Agency of Indonesia3
Herlina HerlinaNational Nuclear Energy Agency of Indonesia2
Abdul MutalibPadjadjaran University2
Hotman LubisNational Nuclear Energy Agency of Indonesia2
H HambaliNational Nuclear Energy Agency of Indonesia1
K. NishikataJapan Atomic Energy Agency1
Siska FebrianaNational Nuclear Energy Agency of Indonesia1
Rohadi AwaludinNational Nuclear Energy Agency of Indonesia1
M. TǎnaseChiyoda Technol Corporation (Japan)1
Kunihiko TsuchiyaJapan Atomic Energy Agency1
Ni Luh Wulan S.Affiliation unknown1
Brian YuliartoBandung Institute of Technology1
Sri JuliaBandung Institute of Technology1
Muhammad Fazri RamadhaniBandung Institute of Technology1
Nugraha NugrahaBandung Institute of Technology1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) https://atomindonesia.brin.go.id/index.php/aij/oai, first harvested 8 Nov 2026, last seen 8 Nov 2026.
Original metadata (oai_dc) 
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	<dc:title xml:lang="en-US">Synthesis and Characterization of Ordered and Disordered Mesoporous Alumina as High-Performance Molybdenum-99 Adsorbents</dc:title>
	<dc:creator>Saptiama, I.</dc:creator>
	<dc:creator>Rindiyantono, F.</dc:creator>
	<dc:creator>Aries, A.</dc:creator>
	<dc:creator>Kaneti, Y. V.</dc:creator>
	<dc:creator>Iqbal, M.</dc:creator>
	<dc:subject xml:lang="en-US">Molybdenum-99; Technetium-99m; Diagnostic; Mesoporous; Alumina</dc:subject>
	<dc:description xml:lang="en-US">Molybdenum-99 (99Mo) is the parent radioisotope of technetium-99m (99mTc),an essential medical radioisotope for diagnostic agents in nuclear medicine.In 99Mo/99mTc generator, a chromatography column system with 99Mo adsorbent as afiller is usually used to produce 99mTc in hospitals. However, it is still challenging to find high-performance adsorbentsfor Mo adsorption.We have synthesized both ordered and disordered mesoporous alumina and compared their performance as 99Mo adsorbents. These materials were prepared via a soft-templated method using a triblock copolymer as the template, followed by air calcination at 400°C.The amount of nitric acid (HNO3) and the drying time were adjusted systematically to synthesize the ordered mesoporous alumina. The obtained ordered and disordered mesoporous alumina were characterized by low-and wide-angle X-ray diffractions (XRD), nitrogen adsorption-desorption, thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The 99Mo adsorption capacities of these materials were evaluated by using the batch method. The experimental results show that the ordered mesoporous alumina hasa higher 99Mo adsorption capacity of 72.06 mg(Mo)g-1 than the disordered mesoporous alumina (50.12 mg(Mo)g-1). The results indicate the excellent potential of ordered mesoporous alumina as an adsorbent for the 99Mo/99mTc generator column.</dc:description>
	<dc:publisher xml:lang="en-US">National Research and Innovation Agency</dc:publisher>
	<dc:contributor xml:lang="en-US">the Program for Research and Innovation in Science and Technology (RIST-Pro) scholarship, the Ministry for research, Technology and Higher Education, Republic Indonesia</dc:contributor>
	<dc:date>2021-04-16</dc:date>
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	<dc:source xml:lang="en-US">Atom Indonesia; Vol 47, No 1 (2021): April 2021; 45-53</dc:source>
	<dc:source>2356-5322</dc:source>
	<dc:source>0126-1568</dc:source>
	<dc:source>10.55981/aij.v47i1</dc:source>
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	<dc:rights xml:lang="en-US">Copyright (c) 2020 Atom Indonesia</dc:rights>
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