Listar GI- Quimolmat - Artigos por título
Mostrando ítems 42-61 de 106
-
Half-Sandwich Ru(p-cymene) Compounds with Diphosphanes: In Vitro and In Vivo Evaluation As Potential Anticancer Metallodrugs
(American Chemical Society (ACS), 2021-02-11)[Abstract] Ruthenium(II) complexes are currently considered attractive alternatives to the widely used platinum-based drugs. We present herein the synthesis and characterization of half-sandwich ruthenium compounds formulated ... -
Hierarchical self-assembly of aromatic peptide conjugates into supramolecular polymers: it takes two to tango
(Royal Society of Chemistry, 2021-12-10)[Abstract] Supramolecular polymers are self-assembled materials displaying adaptive and responsive “life-like” behaviour which are often made of aromatic compounds capable of engaging in π–π interactions to form larger ... -
Host-Guest Stimuli-Responsive Click Chemistry
(Wiley, 2024-05-10)[Abstract] Click chemistry has reached its maturity as the weapon of choice for the irreversible ligation of molecular fragments, with over 20 years of research resulting in the development or improvement of highly efficient ... -
Identification of Key Functions Required for Production and Utilization of the Siderophore Piscibactin Encoded by the High-Pathogenicity Island irp-HPI in Vibrionaceae
(MDPI, 2022)[Abstract] Piscibactin is a widespread siderophore system present in many different bacteria, especially within the Vibrionaceae family. Previous works showed that most functions required for biosynthesis and transport of ... -
Impact of Chemical Pollution on Threatened Marine Mammals: A Systematic Review
(Elsevier, 2023-08-09)[Abstract] Marine mammals, due to their long life span, key position in the food web, and large lipid deposits, often face significant health risks from accumulating contaminants. This systematic review examines published ... -
In Vitro and In Vivo Assessment of the Efficacy of Bromoageliferin, an Alkaloid Isolated from the Sponge Agelas dilatata, against Pseudomonas aeruginosa
(MDPI, 2020-06-23)[Abstract] The pyrrole-imidazoles, a group of alkaloids commonly found in marine sponges belonging to the genus Agelas, display a wide range of biological activities. Herein, we report the first chemical study of the ... -
In-Depth Analysis of the Role of the Acinetobactin Cluster in the Virulence of Acinetobacter baumannii
(Frontiers, 2021-10-05)[Abstract] Acinetobacter baumannii is a multidrug-resistant pathogen that represents a serious threat to global health. A. baumannii possesses a wide range of virulence factors that contribute to the bacterial pathogenicity. ... -
Indium(III) as π-acid Catalyst for the Electrophilic Activation of Carbon–Carbon Unsaturated Systems
(Royal Society of Chemistry (Gran Bretaña), 2018-07-25)[Abstract] This review focuses on the utilization of indium(III) as π-acid for the activation of C–C unsaturated bonds in organic synthesis. In addition to its well-known σ-coordination with carbonyl derivatives, indium(III) ... -
Indium(III)-Catalyzed Stereoselective Synthesis of Tricyclic Frameworks by Cascade Cycloisomerization Reactions of Aryl 1,5-Enynes
(American Chemical Society, 2021-06-25)[Abstract] The indium(III)-catalyzed cascade cycloisomerization reaction of 1,5-enynes with pendant aryl nucleophiles is reported. The reaction proceeds in cascade under mild reaction conditions, using InI₃ (5 mol %) as a ... -
Indium(III)-Catalyzed Synthesis of Benzo[b]furans by Intramolecular Hydroalkoxylation of ortho-Alkynylphenols: Scope and Mechanistic Insights
(American Chemical Society (ACS), 2018-06-12)[Abstract] Indium(III) halides catalyze the hydroalkoxylation reaction of ortho-alkynylphenols to afford benzo[b]furans in good yields. The reaction proceeds with 5-endo-dig regioselectivity with a variety of phenols ... -
Indium-Catalyzed Synthesis of Benzannulated Spiroketals by Intramolecular Double Hydroalkoxylation of Ortho-(Hydroxyalkynyl)Benzyl Alcohols
(Royal Society of Chemistry (Gran Bretaña), 2022-10-31)[Abstract] The novel indium-catalyzed synthesis of benzannulated spiroketals by a double intramolecular hydroalkoxylation reaction of o-(hydroxyalkynyl)benzyl alcohols is reported. The reaction proceeds under mild reaction ... -
Influence of aluminum doping on the properties of LiCoO2 and LiNi0.5Co0.5O2 oxides
(Elsevier, 2003-01)We have prepared LiCo1−yAlyO2 and LiNi0.5−yAlyCo0.5O2 (0≤y≤0.3) powder samples by a low temperature sol–gel method using succinic acid as chelating agent. We have studied the details of their crystallographic and local ... -
IR characterization of Ln2−xSrxCoO4 (x≥1; Ln=La, Nd) oxides
(Elsevier, 2001-07)[Abstract] We have recorded the FTIR spectra of powder samples of Ln2−xSrxCoO4 (Ln=La, Nd) at room temperature. We have identified the infrared active modes (3A2u+4Eu), and analyzed how they change as a function of Ln and ... -
Layered LiNi0.5Co0.5O2 cathode materials grown by soft-chemistry via various solution methods
(Elsevier, 2000-07)[Abstract] The lithiated nickel–cobalt oxide LiNi0.5Co0.5O2 used as cathode material was grown at low-temperature using different aqueous solution methods. The wet chemistry involved the mixture of metal salts (acetates ... -
LiCo1−yMyO2 positive electrodes for rechargeable lithium batteries: II. Nickel substituted materials grown by the citrate method
(Elsevier, 2006-03)[Abstract] The layered LiCo1−yNiyO2 microcrystalline powders were synthesized by a sol–gel method using citric acid as a chelating agent in the range 0.2 ≤ y ≤ 0.8. Submicron-sized particles of the precursor were obtained ... -
Light-Emitting Probes for Labeling Peptides
(Cell Press, 2020-11-25)[Abstract] Peptides are versatile biopolymers composed of 2–100 amino acid residues that present a wide range of biological functions and constitute potential therapies for numerous diseases, partly due to their ability ... -
Lithiated cobaltates for lithium-ion batteries: Structure, morphology and electrochemistry of oxides grown by solid-state reaction, wet chemistry and film deposition
(Elsevier, 2001-07)[Abstract] We present the structural (XRD and Raman) and electrochemical properties of various oxides of the cobaltate family (with the α-NaFeO2-type structure) grown by solid-state reaction, wet chemistry and film deposition ... -
Magnetic and electronic properties of lithium cobalt oxide substituted by nickel
(Elsevier, 2003-02)[Abstract] We measured susceptibility, electron-spin resonance, magnetization and electrical conductivity of LiCo1−yNiyO2 powders synthesized by wet-chemistry method using succinic acid as chelating agent. We found unusual ... -
Magnetoelectric behavior in the complex CaMn7O12 perovskite
(Elsevier, 2009)[Abstract] We report a magnetoelectric effect in the double perovskite CaMn7O12, that shows a complex magnetic behavior below 90 K with two magnetic phases coexisting (one ferrimagnetic and the other modulated). A second ... -
Marine Natural Products from the Yucatan Peninsula
(MDPI AG, 2020-01-16)[Abstract] Mexico is one of the three areas of the world with the greatest terrestrial and cultural biological diversity. The diversity of Mexican medicinal flora has been studied for a long time and several bioactive ...