Examinar por departamento (eus.) "Kimika Organikoa eta Ez-Organikoa"
Now showing items 41-60 of 128
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From Lab to Manufacturing Line: Guidelines for the Development and Upscaling of Aqueous Processed NMC622 Electrodes
(The Electrochemical Society, 2023-01-24)Lithium-ion batteries (LIBs) have facilitated the transition to a more sustainable energy model. Paradoxically, current high energy cathodes are industrially processed using organic solvents, which are deleterious for the ... -
Glycan-coated nanoparticles for the enhanced active targeting
(2022-12-19)Gold nanoparticles (AuNPs) are nanomaterials with excellent physicochemical and optical properties for a broad range of applications. The surface functionalization of the AuNPs enables the formation of glyco-gold nanoparticles ... -
H(N3)dap (Hdap = 2,6-Diaminopurine) Recognition by Cu2(EGTA): Structure, Physical Properties, and Density Functional Theory Calculations of [Cu4(μ-EGTA)2(μ-H(N3)dap)2(H2O)2]·7H2O
(MDPI, 2023-08-26)Reactions in water between the Cu2(µ-EGTA) chelate (EGTA = ethylene-bis(oxyethyleneimino)tetraacetate(4-) ion) and Hdap in molar ratios 1:1 and 1:2 yield only blue crystals of the ternary compound [Cu4(μ-EGTA)2(μ-H(N3)da ... -
Highly Diastereoselective Multicomponent Synthesis of Spirocyclopropyl Oxindoles Enabled by Rare-Earth Metal Salts
(American Chemical Society, 2023-04)The synthesis of polysubstituted spirocyclopropyl oxindoles using a series of rare-earth metal (REM) salts is reported. REMs, in particular Sc(OTf)3, allowed access to the target compounds by a multicomponent reaction with ... -
Improving kesterite for its use in low-cost superstrate solar cells.
(2022-04-29)La tecnología fotovoltaica dominante en el mercado actual basada en el silicio ha demostrado ser una fuente de energía limpia y competitiva con las fuentes de energía tradicionales, ya que es una tecnología madura, robusta ... -
Improving the Recyclability of an Epoxy Resin through the Addition of New Biobased Vitrimer
(MDPI, 2023-09-12)In recent decades, the use of thermoset epoxy resins (ER) has spread to countless applications due to their mechanical properties, heat resistance and stability. However, these ERs are neither biodegradable nor recyclable ... -
Influence of the Ambient Storage of LiNi0.8Mn0.1Co0.1O2 Powder and Electrodes on the Electrochemical Performance in Li-ion Technology
(MDPI, 2022-07-28)Nickel-rich LiNi0.8Mn0.1Co0.1O2 (NMC811) is one of the most promising Li-ion battery cathode materials and has attracted the interest of the automotive industry. Nevertheless, storage conditions can affect its properties ... -
Influence of the Current Density on the Interfacial Reactivity of Layered Oxide Cathodes for Sodium-Ion Batteries
(Wiley, 2022-06)The full commercialization of sodium-ion batteries (SIBs) is still hindered by their lower electrochemical performance and higher cost ($ W-1 h(-1)) with respect to lithium-ion batteries. Understanding the electrode-electrolyte ... -
Innovative Microstructural Transformation upon CO2 Supercritical Conditions on Metal-Nucleobase Aerogel and Its Use as Effective Filler for HPLC Biomolecules Separation
(MDPI, 2022-02-17)This work contributes to enlightening the opportunities of the anisotropic scheme of non-covalent interactions present in supramolecular materials. It provides a top-down approach based on their selective disruption that ... -
Investigating the effect of synthesis selection on O3-sodium layered oxide structural changes and electrochemical properties
(Frontiers Media, 2023-04)Transition metal (TM) layered oxides constitute a promising family of materials for use in Na-ion battery cathodes. Here O3-Na (Ni1/3Mn1/3Fe1/3) O2 was synthesised using optimised sol-gel and solid-state routes, and the ... -
Ionic Liquid-Laden Zn-MOF-74-Based Solid-State Electrolyte for Sodium Batteries
(MDPI, 2023-12-12)Sodium batteries are receiving increasing interest as an alternative to reduce dependence on lithium-based systems. Furthermore, the development of solid-state electrolytes will lead to higher-performing and safer devices. ... -
Iron-catalyzed cascade synthesis of nitrogen polycycles from alkynoic acids and functionalized amines
(Springer, 2022-12)Catalysis by first-row transition metals is of increasing interest in the context of the scarcity of chemical resources. For instance, iron is promising due to its abundance, low toxicity and unique electronic features. ... -
Kinetic Resolution in Transannular Morita-Baylis-Hillman Reaction: An Approximation to the Synthesis of Sesquiterpenes from Guaiane Family
(MDPI, 2022-01-08)An approximation to the synthesis of several sesquiterpenes from the Guaiane family is described in which the core structure was obtained through a transannular Morita-Baylis-Hillman reaction performed under kinetic ... -
Kinetic Studies of Acetyl Group Migration between the Saccharide Units in an Oligomannoside Trisaccharide Model Compound and a Native Galactoglucomannan Polysaccharide
(Wiley, 2021-10-13)Acyl group migration is a fundamental phenomenon in carbohydrate chemistry, recently shown to take place also between two non-adjacent hydroxyl groups, across the glycosidic bond, in a beta-(1 -> 4)-linked mannan trisaccharide ... -
Language of Chemistry: Making IUPAC Nomenclature Available in Spanish
(ACS, 2024-01)Science, including mathematics, physics, and, of course, chemistry, has its own language and symbols and names we learn in school. However, to teach it, communicate it, and use it, we use our own native languages. Most of ... -
Late-Stage C-H Acylation of Tyrosine-Containing Oligopeptides with Alcohols
(American Chemical Society, 2021-09-17)The selective tagging of amino acids within a peptide framework while using atom-economical C-H counterparts poses an unmet challenge within peptide chemistry. Herein, we report a novel Pd-catalyzed late-stage C-H acylation ... -
Lectin-Glycan Interactions: new NMR insights on the role of dynamics and presentation by using state-of-the-art NMR methodologies.
(2022-12-16)Glycans are ubiquitous in Nature. They are mainly found conjugated with other biomolecules giving rise to glycoproteins and glycolipids. Relevant biological events such as cell-cell, cell-matrix and host-pathogen interactions ... -
Linear Polyethyleneimine-Based and Metal Organic Frameworks (DUT-67) Composite Hydrogels as Efficient Sorbents for the Removal of Methyl Orange, Copper Ions, and Penicillin V
(MDPI, 2023-11-16)This research explores the integration of DUT-67 metal organic frameworks into polyethyleneimine-based hydrogels to assemble a composite system with enough mechanical strength, pore structure and chemical affinity to work ... -
Lithium Iron Phosphate/Carbon (LFP/C) Composite Using Nanocellulose as a Reducing Agent and Carbon Source
(MDPI, 2023-06-09)Lithium iron phosphate (LiFePO4, LFP) is the most promising cathode material for use in safe electric vehicles (EVs), due to its long cycle stability, low cost, and low toxicity, but it suffers from low conductivity and ... -
Making Room for Silicon: Including SiOx in a Graphite-Based Anode Formulation and Harmonization in 1 Ah Cells
(MDPI, 2024-03-28)Transitioning to more ambitious electrode formulations facilitates developing high-energy density cells, potentially fulfilling the demands of electric car manufacturers. In this context, the partial replacement of the ...