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Biological Evaluation of 99mTc-Kanamycin for Infection Imaging

Widyasari, Eva Maria and Halimah, Iim and Sugiharti, Rizky Juwita and Sriyani, Maula Eka and Daruwati, Isti and Iiswahyudi, Iiswahyudi and Isabela, Epy and Nuraeni, Witri (2017) Biological Evaluation of 99mTc-Kanamycin for Infection Imaging. Indonesian Journal of Physics and Nuclear Appilications, 2 (1). pp. 1-8. ISSN 2549-046X

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Abstract

Kanamycin antibiotic was radiolabeled successfully with radioisotope technetium-99m for the potential use as radiopharmaceuticals for infection imaging. 99mTc-kanamycin complexes was prepared 93 % radiochemical purities by direct labelling using 5 mg kanamycin and 30 μg SnCl2. The reaction occurred at alkaline condition (pH=9) and under room temperature for 30 min to achieve high radiochemical purity. Radiochemical purity and stability of 99mTc-kanamycin was determined by ascending paper chromatography using Whatman 3 paper as the stationary phase, and acetone as the mobile phase to separate the radiochemical impurities in the form of 99mTc-pertechnetate. While impurities in the form of 99mTc-reduced were separated using the stationary phase ITLC-SG and 0.5 N NaOH as mobile phase. This study aimed to determine biological characteristic of 99mTc-kanamycin radiopharmaceutical. In vitro cell studies showed that the change of kanamycin structure after labeling with technetium-99m did not give a specific influence to the potency of kanamycin as an antibiotic. In addition on uptake study, a significantly higher uptake of 99mTc-kanamycin with S. aureus than E. coli. Biodistribution of 99mTc-kanamycin complexes was studied on normal and infection mice at 15, 30, 60 and 120 min post-injections. The biodistribution of 99mTc-kanamycin in infection mice showed that the complex accumulated in the infection sites. These results show that 99mTc-Kanamycin radiopharmaceutical have a potential application for infection diagnosis.

Item Type: Article
Subjects: Isotop dan Radiasi > Pemanfaatan Isotop dan Radiasi > Bidang Kesehatan
Isotop dan Radiasi > Produksi Isotop dan Sumber Radiasi > Teknik Produksi Radiofarmaka
Divisions: Pusat Sains dan Teknologi Nuklir Terapan
Depositing User: user pstnt batan
Date Deposited: 15 Nov 2018 14:30
Last Modified: 15 Nov 2018 14:30
URI: http://repo-nkm.batan.go.id/id/eprint/1885

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