Articles with "technetium" as a keyword



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In vivo SPECT-CT imaging and characterization of technetium-99m-labeled bevacizumab-loaded human serum albumin pegylated nanoparticles

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Published in 2020 at "Journal of Drug Delivery Science and Technology"

DOI: 10.1016/j.jddst.2020.101809

Abstract: Abstract The aim of this work was to study the biodistribution of bevacizumab-loaded HSA nanoparticles (NP-Ab) cross-linked with PEG35000 by SPECT/CT in vivo imaging. For this purpose, NP-Abs were prepared by a desolvation process, coated… read more here.

Keywords: bevacizumab loaded; spect imaging; vivo spect; imaging characterization ... See more keywords
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A new approach to the immobilisation of technetium and transuranics: Co-disposal in a zirconolite ceramic matrix

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Published in 2020 at "Journal of Nuclear Materials"

DOI: 10.1016/j.jnucmat.2019.151885

Abstract: Abstract Technetium and transuranic elements (TRUs) are long-lived radionuclides, produced as a result of nuclear power generation. Co-immobilisation of these radionuclides in a ceramic wasteform is attractive as they are problematic for vitrification and would… read more here.

Keywords: approach immobilisation; immobilisation technetium; technetium; new approach ... See more keywords
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Long-Term Immobilization of Technetium via Bioremediation with Slow-Release Substrates.

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Published in 2017 at "Environmental science & technology"

DOI: 10.1021/acs.est.6b04876

Abstract: Radionuclides are present in groundwater at contaminated nuclear facilities with technetium-99, one of the most mobile radionuclides encountered. In situ bioremediation via the generation of microbially reducing conditions has the potential to remove aqueous and… read more here.

Keywords: long term; bioremediation; slow release; technetium ... See more keywords
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Calix[4]arene-Analogous Technetium Supramolecules.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.1c03691

Abstract: Calix[4]arene-analogous technetium supramolecules (1 and 2) were assembled using (NBu4)[Tc2(μ-Cl)3(CO)6] and neutral flexible bidentate nitrogen-donor ligands (L1 and L2) consisting of four arene units covalently joined via methylene units. The neutral homoleptic technetium macrocycles adopt… read more here.

Keywords: analogous technetium; technetium; calix arene; fac core ... See more keywords

Mixed-Isocyanide Complexes of Technetium under Steric and Electronic Control.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c02730

Abstract: Reactions of the alkyl isocyanide fac-[Tc(CO)3(CNR)2Cl] complexes (2) (CNR = CNnBu or CNtBu) with the sterically encumbered isocyanide CNp-FArDarF2 [DArF = 3,5-(CF3)2C6H3] allow a selective exchange of the carbonyl ligands of 2 and the isolation… read more here.

Keywords: technetium; isocyanide; cnp fardarf2; isocyanide complexes ... See more keywords
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Thiourea as a Stabilizer of Reduced Forms of Technetium─Tc(III) and Tc(IV): Experimental and Theoretical Studies of Complexes.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c03258

Abstract: This paper presents synthetic methods for the preparation of Tc(III) and Tc(IV) coordination compounds with thiourea. We have shown that the main product of the synthesis is the complex [TcTu5X]X2, (Tu = (NH2)2CS, X =… read more here.

Keywords: technetium; thiourea stabilizer; iii complexes; iii ... See more keywords
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Technetium and Rhenium Schiff Base Compounds for Nuclear Medicine: Syntheses of Rhenium Analogues to 99mTc-Furifosmin.

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Published in 2018 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.8b02156

Abstract: Rhenium, the third-row congener of technetium, is often used to develop the macroscopic chemistry of potential 99mTc diagnostic radiopharmaceuticals. The rhenium analogues to 99mTc-furifosmin are being developed for potential radiotherapy of multidrug-resistant tumors. Complexes of… read more here.

Keywords: medicine; rhenium analogues; chemistry; technetium ... See more keywords
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Technetium complexes with arylselenolato and aryltellurolato ligands.

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Published in 2017 at "Dalton transactions"

DOI: 10.1039/c7dt02041d

Abstract: Reactions of (NBu4)[TcOCl4] or [TcCl3(PPh3)2(CH3CN)] with in situ-prepared lithium arylselenolates and -tellurolates give (NBu4)[TcVO(ArE)4] (E = Se, Te; Ar = phenyl) and [TcIII(ArE)3(PPh3)(CH3CN)] (E = Se, Te; Ar = phenyl, 2,6-Me2phenyl, mesityl) complexes, respectively. The… read more here.

Keywords: aryltellurolato ligands; arylselenolato aryltellurolato; technetium; complexes arylselenolato ... See more keywords
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New Preparative Approach to Purer Technetium-99 Samples—Tetramethylammonium Pertechnetate: Deep Understanding and Application of Crystal Structure, Solubility, and Its Conversion to Technetium Zero Valent Matrix

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Published in 2023 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms24032015

Abstract: 99Tc is one of the predominant fission products of 235U and an important component of nuclear industry wastes. The long half-life and specific activity of 99Tc (212,000 y, 0.63 GBq g−1) makes Tc a hazardous… read more here.

Keywords: technetium; structure; solubility; conversion ... See more keywords
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STUDY OF THE POSSIBILITY OF DISTILLATION OF TECHNETIUM FROM MOLYBDENUM SOLUTIONS ON EXAMPLE OF RHENIUM

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Published in 2020 at "Problems of Atomic Science and Technology"

DOI: 10.46813/2020-129-033

Abstract: To study the processes of separation of molybdenum and technetium, rhenium, which has chemical properties close to technetium, is used. It is rational to divide molybdenum and technetium through distillation. read more here.

Keywords: technetium; distillation; rhenium; study possibility ... See more keywords