Articles with "trivalent" as a keyword



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Colloidal stability of cellulose nanocrystals in aqueous solutions containing monovalent, divalent, and trivalent inorganic salts.

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Published in 2020 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2020.09.117

Abstract: Aggregation kinetics and surface charging properties of rod-like sulfated cellulose nanocrystals (CNCs) have been investigated in aqueous suspensions containing monovalent, divalent, or trivalent inorganic salts. Electrophoresis and time-resolved dynamic light scattering (DLS) were used to… read more here.

Keywords: charge; trivalent; colloidal stability; divalent ... See more keywords
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A comparative study on the influence of mono, di, and trivalent cations on the chalcopyrite and pyrite flotation

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Published in 2021 at "Journal of materials research and technology"

DOI: 10.1016/j.jmrt.2021.01.086

Abstract: Abstract Mineral separation by flotation is a water-intensive process; thus, recycling and reusing the process-water have essential environmental and financial impacts for ore beneficiation plants. The recycled water contains different ions, which affect flotation responses.… read more here.

Keywords: flotation; trivalent; water; chalcopyrite pyrite ... See more keywords
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Coordination-Mediated Synthesis of 67Ga-Labeled Purification-Free Trivalent Probes for in Vivo Imaging of Saturable Systems.

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Published in 2018 at "Bioconjugate chemistry"

DOI: 10.1021/acs.bioconjchem.8b00337

Abstract: A large excess of unlabeled ligands over gallium-67 (67Ga) provides 67Ga-labeled probes with high radiochemical yields in a short reaction time. However, the unlabeled ligands hinder target accumulation of radiolabeled probes by competing for target… read more here.

Keywords: labeled trivalent; trivalent probe; 67ga labeled; trivalent ... See more keywords
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Complexation of a Nitrilotriacetate-Derived Triamide Ligand with Trivalent Lanthanides: A Thermodynamic and Crystallographic Study.

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Published in 2023 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c04311

Abstract: Non-heterocyclic N-donor nitrilotriacetate-derived triamide ligands are one of the most promising extractants for the selective extraction separation of trivalent actinides over lanthanides, but the thermodynamics and mechanism of the complexation of this kind of ligand… read more here.

Keywords: complexation; ligand; derived triamide; nitrilotriacetate derived ... See more keywords
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Homobivalent, Trivalent, and Covalent PROTACs: Emerging Strategies for Protein Degradation.

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Published in 2022 at "Journal of medicinal chemistry"

DOI: 10.1021/acs.jmedchem.2c00728

Abstract: Proteolysis-targeting chimeras (PROTACs) is a fast-growing technology providing many strengths over inhibition of protein activity directly and is attracting increasing interest in new drug discovery and development. However, efficiently identifying potent and drug-like degraders is… read more here.

Keywords: covalent protacs; protacs; protein degradation; trivalent ... See more keywords

Homogeneous and Heterogeneous Pd-Catalyzed Selective C-P Activation and Transfer Hydrogenation for "Group-Substitution" Synthesis of Trivalent Phosphines.

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Published in 2022 at "Organic letters"

DOI: 10.1021/acs.orglett.2c00844

Abstract: A "group-substitution" synthesis of trivalent phosphines via a C-P activation of phosphonium salts is reported. The alkyl groups were introduced by alkylation of phosphines to form phosphonium salts. The "de-arylation" of phosphonium salts was achieved… read more here.

Keywords: group substitution; synthesis trivalent; substitution synthesis; trivalent phosphines ... See more keywords
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Theoretical unraveling of the separation of trivalent Am and Eu ions by phosphine oxide ligands with different central heterocyclic moieties.

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Published in 2022 at "Dalton transactions"

DOI: 10.1039/d2dt00509c

Abstract: The treatment of nuclear spent fuels, especially the separation of minor actinides, is an imperative task for the healthy development of the nuclear industry. Up to now, it still remains a worldwide challenge to separate… read more here.

Keywords: theoretical unraveling; oxide ligands; trivalent; separation ... See more keywords
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What we can learn from how trivalent conditionals avoid triviality

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Published in 2019 at "Inquiry"

DOI: 10.1080/0020174x.2019.1698457

Abstract: ABSTRACT A trivalent theory of indicative conditionals automatically enforces Stalnaker's thesis – the equation between probabilities of conditionals and conditional probabilities. This result holds because the trivalent semantics requires, for principled reasons, a modification of… read more here.

Keywords: conditionals avoid; trivalent conditionals; triviality; trivalent ... See more keywords
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A PadR family transcriptional repressor controls transcription of a trivalent metalloid resistance operon of Azospirillum halopraeferens strain Au 4.

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Published in 2022 at "Environmental microbiology"

DOI: 10.1111/1462-2920.16147

Abstract: Methylarsenite [MAs(III)] is a highly toxic arsenical produced by some microbes as an antibiotic. In this study, we demonstrate that a PadR family transcriptional regulator, PadRars , from Azospirillum halopraeferens strain Au 4 directly binds… read more here.

Keywords: padr family; transcription; ars operon; mas iii ... See more keywords
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Efflux Transporter ArsK Is Responsible for Bacterial Resistance to Arsenite, Antimonite, Trivalent Roxarsone, and Methylarsenite

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Published in 2018 at "Applied and Environmental Microbiology"

DOI: 10.1128/aem.01842-18

Abstract: The metalloid extrusion systems are very important bacterial resistance mechanisms. Each of the previously reported ArsB, Acr3, ArsP, ArsJ, and MSF1 transport proteins conferred only inorganic or organic arsenic/antimony resistance. In contrast, ArsK confers resistance… read more here.

Keywords: iii; arsk; bacterial resistance; trivalent ... See more keywords