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Ionic liquid-delaminated TiC MXene nanosheets for enhanced electrocatalytic oxidation of tryptophane in normal and breast cancer serum.
Mikrochim Acta
January 2025
Department of Chemistry, Faculty of Basic Sciences, Ayatollah Boroujerdi University, Boroujerd, Iran.
A cost-effective strategy is reported utilizing ionic liquid (IL), 1-hexyl-3-methylimidazolium bisulfate ([HMIM] HSO), to delaminate TiC MXene, thereby enhancing its efficiency in electrocatalyzing tryptophan (Trp) oxidation. The positively charged IL effectively intercalates within the negatively charged MXene layers, fostering structural stability through π-π stacking and electrostatic interactions. Consequently, the resulting IL-TiC composite not only maintained the inherent electronic conductivity of TiC but also significantly augmented its electrocatalytic prowess.
View Article and Find Full Text PDFSample Preparation of Caenorhabditis elegans for GC-MS-Based Metabolomics in Toxicity Assessment.
Methods Mol Biol
January 2025
Fytagoras BV, Leiden, The Netherlands.
The nematode Caenorhabditis elegans, widely recognized as a model organism due to its ease of breeding and well-characterized genomes, boasts complete digestive, reproductive, and endocrine systems, as well as conserved signaling pathways shared with mammals. It has become an invaluable resource for metabolomics research, particularly in examining responses to chemical or environmental factors and toxicity assessments. In this article, we provide detailed, step-by-step protocols for cultivating C.
View Article and Find Full Text PDFOptimizing Extraction Solvents for Plant Chemical Analysis Using H NMR and Principal Component Analysis.
Methods Mol Biol
January 2025
Natural Product Lab, Institute of Biology, Leiden University, Leiden, The Netherlands.
Natural products, particularly plants, remain a vital source of bioactive compounds owing to their unparalleled metabolic diversity across pharmaceuticals, cosmetics, foods, and agriculture. However, this diversity, encompassing not only a multitude of compounds but also their varying chemical and physical properties, presents a challenge in their effective utilization. Targeted analysis of specific metabolites, as well as untargeted approaches covering a wide metabolite range, necessitate optimal extraction solvents tailored to meet diverse requirements.
View Article and Find Full Text PDFFerric Nitrate as a Bifunctional Catalyst for Dehydration and Oxidative Cleavage-Esterification of Tertiary Alcohols.
J Org Chem
January 2025
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
The selective oxidative cleavage and functionalization of C(OH)-C bonds in tertiary alcohols harbor immense feasibility in organic synthesis and enable the production of high value-added chemicals from renewable biomass. However, it remains a challenge, owing to the inherent kinetic inertness and thermodynamic stability of C(OH)-C bonds and the lack of C-H. Taking the huge potential and challenge of C(OH)-C bond activation and functionalization into consideration, herein, we show the first example of an inexpensive bifunctional ferric nitrate catalyst for catalytic direct oxidation of structurally distinct tertiary alcohols to esters with environmentally benign molecular oxygen as an oxidant and MeOH as a solvent, without the assistance of any additives.
View Article and Find Full Text PDFPretreatment of enzymatic hydrolysis lignin based on deep eutectic solvent containing a reversibly-soluble base.
Int J Biol Macromol
January 2025
School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China. Electronic address:
The pretreatment with green deep eutectic solvents (DESs) is conducive to realizing the high-efficiency utilization of lignin at a low cost. In this study, an innovative choline chloride/urea/calcium hydroxide (ChCl/UR/Ca(OH)) DES containing a reversibly-soluble base Ca(OH) was developed for the pretreatment of enzymatic hydrolysis lignin (EHL). The lignin pretreatment effects of the proposed ChCl/UR/Ca(OH) DES were compare with a series of DESs.
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