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Lanthanide ion-based metal-organic framework as an effective tri-mode nanoprobe for alcoholic content detection.
Mikrochim Acta
January 2025
School of Chemistry and Chemical Engineering, Yantai University, Yantai, 264005, China.
A lanthanide ion-based metal-organic framework (Eu-TATAB nanorods) was designed and synthesized as an effective tri-mode nanoprobe for sensitive and portable detection of ethanol content in a water-ethanol mixture. The assay was based on the responsive properties of Eu-TATAB nanorods to ethanol stimulus and their adaptive encapsulation capability towards optically active lanthanides. With the addition of ethanol to the Eu-TATAB nanorods, the structure was destroyed, resulting in a decrease in luminescence, electrochemiluminescence, and ultraviolet-visible spectrophotometric signals by perturbing energy transfer in the Eu-TATAB nanorods.
View Article and Find Full Text PDFInvestigation of dielectric and spectroscopic properties of pure, commercial, and sugar solution added honey with microwave X band and spectroscopy techniques.
J Food Sci
January 2025
Department of Physics, the Institute of Science, Dr. Homi Bhabha State University, Mumbai, India.
The adulteration of honey is a globally growing issue due to its medicinal benefits and health-promoting properties. This problem primarily involves the addition of sugars and other substances. To address these concerns, a comparative study was conducted to investigate the dielectric and spectroscopic properties of pure, sugar solution added honey, and commercially available honey.
View Article and Find Full Text PDFInteraction of starch nanoparticles with digestive enzymes and its effect on the release of polyphenols in simulated gastrointestinal fluids.
Food Chem
January 2025
College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China; Qingdao Special Food Research Institute, Qingdao, 266109, China. Electronic address:
This study investigates the interaction of amino-modified starch nanoparticles (NH-SNPs) and unmodified SNPs with pepsin and trypsin and the influence of the formation of protein coronas on the release of polyphenols. We discovered that NH-SNPs bound loosely to pepsin, while they bound tightly to trypsin, by quartz crystal microbalance with dissipation monitoring and zeta potential measurement. SNPs did not easily bind to the two digestive enzymes.
View Article and Find Full Text PDFSimultaneous Quantification of Biogenic Amines and their Metabolites in Mice Tissue by Combining Ultraviolet and Integrated Pulsed Amperometric Detectors.
J Chromatogr Sci
January 2025
Division of Chemical and Material Metrology, Korea Research Institute of Standards and Science, 267, Gajeong-ro, Yuseong-gu, Daejeon, 34113Republic of Korea.
We developed a reversed-phased high-performance liquid chromatographic method combining ultraviolet detection and integrated pulsed amperometric detection for the simultaneous quantification of dopamine, 5-hydroxyindolacetic acid, homovanillic acid, serotonin, 3,4-dihydroxyphenylacetic acid, norepinephrine and epinephrine. All target components were completely separated in a C18 column with isocratic elution of 5% acetonitrile solution containing 8 mM HClO4 and 0.20 mM 1-octanesulfonic acid as an ion pairing reagent.
View Article and Find Full Text PDFTowards targeted cancer therapy: Synthesis, characterization, and biological activity of a new Cu(II)-ibuprofen-2,2'-dipyridylamine metal complex.
Heliyon
January 2025
Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193, Aveiro, Portugal.
This work reports the synthesis of a copper metal complex with the nonsteroidal anti-inflammatory drug (NSAID) ibuprofen, and 2,2'-dipyridylamine employing microwave-assisted synthesis (MWAS). To the best of authors knowledge, this is the first study reporting a NSAID-based complex achieved through MWAS. The coordination compound was characterised by elemental analysis, Fourier transform infrared spectroscopy, thermogravimetry, and ultraviolet-visible spectrophotometry.
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