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   Articles with "technetium" as a keyword



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

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recommendations! 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

A new approach to the immobilisation of technetium and transuranics: Co-disposal in a zirconolite ceramic matrix

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recommendations! 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

Long-Term Immobilization of Technetium via Bioremediation with Slow-Release Substrates.

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recommendations! 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

Calix[4]arene-Analogous Technetium Supramolecules.

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recommendations! 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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recommendations! 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

Thiourea as a Stabilizer of Reduced Forms of Technetium─Tc(III) and Tc(IV): Experimental and Theoretical Studies of Complexes.

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recommendations! 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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recommendations! 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

Speciation of Technetium Dibutylphosphate in the Third Phase Formed in the TBP/HNO3 Solvent Extraction System

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recommendations! Published in 2024 at "ACS Omega"

DOI: 10.1021/acsomega.4c00393

Abstract: The speciation of technetium in the nitric acid/dibutylphosphoric acid (HDBP)—n-dodecane system was studied by extended X-ray absorption fine structure (EXAFS) spectroscopy and theoretical methods. Tetravalent technetium, produced by the hydrazine reduction of TcO4– in 3… read more here.

Keywords: technetium; system; no3 dbp; hdbp ... See more keywords
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Technetium complexes with arylselenolato and aryltellurolato ligands.

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recommendations! 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

Detection and Quantification of Trace Technetium in the Presence of Molybdenum Using Laser-Induced Breakdown Spectroscopy

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recommendations! Published in 2025 at "Journal of Analytical Atomic Spectrometry"

DOI: 10.1039/d5ja00319a

Abstract: Technetium (Tc) is a very important element that is encountered in many aspects, from its presence in radioactive waste and its potential environmental impact to its use as a medical... read more here.

Keywords: spectroscopy; technetium; presence; detection quantification ... See more keywords

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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recommendations! 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