Results 131 to 140 of about 55,934 (323)

The pivotal role of mass spectrometry in transition metal‐based photocatalyst research for solar‐driven energy conversion and water purification advancements

open access: yesBulletin of the Korean Chemical Society, EarlyView.
This review explores recent advancements in the integration of solar energy conversion and water remediation with mass spectrometry as an analytical technique. We examine Ti‐based photocatalysts for their roles in energy conversion and water purification, utilizing mass spectrometric analysis to evaluate the efficiency of these mechanisms.
Haheun Yoo   +4 more
wiley   +1 more source

Analysis of 3‐nitropropionic acid in Fabaceae plants by HPLC‐MS/MS

open access: yesPhytochemical Analysis, Volume 33, Issue 8, Page 1205-1213, December 2022., 2022
Abstract Introduction 3‐Nitropropionic acid (3‐NPA) is a toxic compound that can accumulate in esterified form in the Fabaceae family. In the Lotae tribe, many species have been identified as 3‐NPA producers (e.g., Securigera varia), while some of the genetically close Lotae plants were formerly reported as 3‐NPA‐free (e.g., Lotus corniculatus and ...
Orsolya Takács   +5 more
wiley   +1 more source

Structural, Spectroscopic, and Docking Analysis of N,O‐Donor Ligand Metal Complex Nanoparticles With Hypolipidemic Effects via Lipoprotein Lipase Activation in High‐Fat Diet Mice

open access: yesChemistry &Biodiversity, EarlyView.
Hypolipidemic influence of CETZ.2HCl‐(H1‐antihistamine) metal‐complexes on “C57Bl/6‐mice” fed high‐fat‐diet. ABSTRACT New Cd(II), Zn(II), and Cu(II) chelates with cetirizine.2HCl (CETZ.2HCl) in incidence of 1,10 phenanthroline monohydrate (Phen.H2O) were synthesized in search of new biologically active compounds.
Sherif M. Abd El‐Hamid   +10 more
wiley   +1 more source

Improved Gold Nanoprobes for Detection of Single Nucleotide Polymorphisms: The Influence of Size

open access: yesParticle &Particle Systems Characterization, Volume 39, Issue 12, December 2022., 2022
Unique plasmonic properties of gold nanoparticles (AuNPs) are used for detection of a single nucleotide polymorphism related to lactose intolerance. Assays based on 20 nm and 35 nm AuNPs functionalized with specific oligonucleotide probes are compared and found that 35 nm AuNPs allow a reduction of 80% and 48% in the amount of gold and oligonucleotide ...
Maria Enea   +7 more
wiley   +1 more source

Artificial Lipidation of Antifungal Proteins and Antifungal Behavior: A Case Study with Cholesterylation

open access: yesChemBioChem, EarlyView.
The antifungal behavior of artificial palmitoylated or cholesterylated chitinase domain is studied from biological, chemical, and physical properties, highlighting the importance of the chemical properties of the lipid moiety covalently attached to chitinase domain to obtain effective antifungal activity by artificial protein lipidation through a ...
Muhammad Safaat   +7 more
wiley   +1 more source

Purine Chemistry in the Early RNA World at the Origins of Life: From RNA and Nucleobases Lesions to Current Key Metabolic Routes

open access: yesChemBioChem, EarlyView.
In the nascent processes of the beginnings and evolution of life, nucleobases and especially purines, ribonucleos(t)ides and primitive RNAs have been continuously modified. A RNA‐peptide world and key metabolic pathways probably have emerged from the corresponding chemical modifications resulting from adenine deamination, purine alkylation and ...
Jean‐Luc Décout   +1 more
wiley   +1 more source

Photoinduced Hydrogen Evolution Catalyzed by Co(II) Complexes of N5‐Donor Ligands

open access: yesChemistry – A European Journal, EarlyView.
Cobalt(II) complexes of three related pentadentate ligands have been investigated as photoelectrochemical catalysts for proton reduction/hydrogen gas evolution in the presence of ruthenium, iridium, or copper‐based photosensitizers. Potential mechanisms for hydrogen evolution have been investigated by time‐resolved transient absorption spectroscopy and
Chuanshuai Li   +14 more
wiley   +1 more source

Influence of a 2nd Sphere Hydrogen‐Bond Donor on the Reactivity of Non‐heme Fe(II) Complexes in Alkane, Alkene and Aromatic Oxidation with H2O2

open access: yesChemistry – A European Journal, EarlyView.
Addition of a 2nd sphere hydrogen bond donor in iron complexes induces the selection of a specific FeIIIOOH species in the presence of H2O2 thanks to the stabilizing H‐bonding interaction with the proximal O. This structural pattern, after OO bond cleavage, enhances the electrophilicity of the resulting high valent oxo species, which improves ...
Amanda Lyn Robinson   +9 more
wiley   +1 more source

Synthetic Lignin Oligomers: Analytical Techniques, Challenges, and Opportunities

open access: yesChemSusChem, EarlyView.
The review begins by discussing lignin and its structural complexity, followed by challenges in elucidating depolymerization products and the analytical techniques used. It then focuses on the chemical structure of synthetic lignin oligomers, their synthesis mechanisms, and their significance in current science. Finally, scientific gaps are identified,
Myriam Rojas   +4 more
wiley   +1 more source

Eco‐Friendly and Ready‐To‐Market Polyurethanes: A Design of Experiment‐Guided Substitution of Toxic Catalyst and Fossil‐Based Isocyanate

open access: yesChemSusChem, EarlyView.
Increasing bio‐based and circular components in polyurethane formulation up to 65 %w/w maintaining the market acceptability through multivariate analysis approach Abstract In this contribution, we tackle the replacement of the Hg‐based catalyst and fossil‐derived isocyanate precursors toward the formulation of a more sustainable polyurethane ...
Gabriele Viada   +5 more
wiley   +1 more source

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