Interactions between Caffeine, Theophylline and Derivatives with Gold Nanoparticles and Implications for Aptamer-Based Label-Free Colorimetric Detection.
Sign Up to like & getrecommendations! Published in 2022 at "ChemPlusChem"
DOI: 10.1002/cplu.202200265
Abstract: Caffeine, theophylline, and other methylxanthines have interesting biological activities and are consumed in high quantities globally, causing health and environmental concerns. Gold nanoparticles (AuNPs) have excellent optical properties for biosensor development, although little is known… read more here.
Keywords: label free; adsorption; gold nanoparticles; caffeine theophylline ... See more keywords
Solubility and Preferential Solvation of Caffeine and Theophylline in {Methanol + Water} Mixtures at 298.15 K
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DOI: 10.1007/s10953-017-0666-z
Abstract: Solubility is a very important property of drugs involved in purification processes and the different pharmaceutical dosage form design stages. Otherwise, caffeine and theophylline are alkaloid drugs widely used in several solid and liquid pharmaceutical… read more here.
Keywords: caffeine theophylline; methanol water; water; preferential solvation ... See more keywords
Thermodynamic insights into molecular interactions of sodium lauryl sulfate (SLS) with caffeine and theophylline in aqueous media at different temperatures
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2020.112776
Abstract: Abstract Molecular interactions of the caffeine and theophylline with anionic surfactant sodium lauryl sulfate (SLS), in aqueous media, has been explored by thermodynamic parameters of micellization obtained by the conductometric method. The standard relations associated… read more here.
Keywords: caffeine theophylline; lauryl sulfate; molecular interactions; sodium lauryl ... See more keywords
N-Heterocyclic Carbene Complexes of Nickel(II) from Caffeine and Theophylline: Sustainable Alternative to Imidazol-2-ylidenes.
Sign Up to like & getrecommendations! Published in 2022 at "Organometallics"
DOI: 10.1021/acs.organomet.2c00019
Abstract: Xanthines, such as caffeine and theophylline, are abundant natural products that are often present in foods. Leveraging renewable and benign resources for ligand design in organometallic chemistry and catalysis is one of the major missions… read more here.
Keywords: carbene complexes; caffeine theophylline; chemistry; imidazol ylidenes ... See more keywords
Methylxanthine derivatives promote autophagy in gastric cancer cells targeting PTEN
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DOI: 10.1097/cad.0000000000000724
Abstract: Methylxanthine derivatives, such as caffeine and theophylline, enhance cell apoptosis and autophagy and reportedly induce the activity of phosphatase and tensin homologue (PTEN) and inhibit the mammalian target of rapamycin (mTOR). This study investigated the… read more here.
Keywords: cancer; gastric cancer; caffeine theophylline; cell ... See more keywords
Systematic analysis to assess the scientific validity of the international residue limits for caffeine and theophylline in horse-racing
Sign Up to like & getrecommendations! Published in 2019 at "Veterinary Record"
DOI: 10.1136/vr.105404
Abstract: Based on their performance-enhancing potential, caffeine and theophylline are prohibited substances in equine sports. Residues in horses can be caused by wilful application or by unintended uptake of contaminated feed. The International Federation of Horseracing… read more here.
Keywords: caffeine theophylline; residue limits; international residue; scientific validity ... See more keywords