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Self-reported caffeine consumption miss-matched consumption measured by plasma levels of caffeine and its metabolites: results from two population-based studies
Importance and objectiveSelf-reported caffeine consumption has been widely used in research while it may be subject to bias. We sought to investigate...
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Effects of Coffee and Caffeine on Mood and Mood Disorders
Caffeine is one of the world’s most frequently consumed psychoactive substances. Caffeine is widely recognized for its impact on alertness and its...
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Enhanced oxygen reduction reaction on caffeine-modified platinum single-crystal electrodes
Enhancing the activity of the oxygen reduction reaction (ORR) is crucial for fuel cell development, and hydrophobic species are known to increase the...
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Electrochemical detection of caffeine in sports drinks based on molecular imprinting technology
This work presents the development of a novel electrochemical sensor for caffeine detection in sports drinks, utilizing molecular imprinting...
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Higher and lower caffeine consumers: exercise performance and biological responses during a simulated soccer-game protocol following caffeine ingestion
PurposeResearch on whether caffeine habituation reduces its ergogenicity is scarce and conflicting. The purpose of the present study was to examine...
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Pharmaceutical phase diagram: aspirin-caffeine-paracetamol
In recent years, eutectic mixtures have been the subject of numerous scientific studies aimed at improving the therapeutic efficacy of drugs. In this...
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Biological properties of caffeine, (+)-catechin, and theobromine: an in silico study
We analyzed here the in silico biological activities of caffeine, (+)-catechin, and theobromine. For this, the PubChem database of the NIH (National...
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Caffeine gum improves 5 km running performance in recreational runners completing parkrun events
PurposeThe purpose of this study was to determine whether caffeine gum improves the performance of recreational runners completing parkruns (weekly,...
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Voltammetric Determination of Caffeine in Energy Drinks Using an Electrode Modified with a Nafion Film and Mixed-Valence Iridium Oxides
AbstractIt is found that mixed-valence iridium oxides electrodeposited on the surface of a glassy carbon electrode exhibit catalytic activity in the...
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Study of the interaction between caffeine and graphenic materials employing computational analysis and electrochemistry
AbstractCaffeine (CAF), present in various pharmaceutical formulations and food supplements, is one of the most consumed substances worldwide....
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Application of FT-IR, and Hyperspectral Analytical Protocols for Tea Leaves Natural Catechins and Caffeine Detection and Evaluation
The contents and distribution of catechins and caffeine, strongly reflect the physiology and nutrition of tea. In recent years, spectroscopy...
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Caffeine intake and its association with nutrition, sleep, and physical activity among schoolchildren in the United Arab Emirates: a national cross-sectional study
PurposeRecent surveys indicate a significant increase in total caffeine intake among schoolchildren. Limited research has been published concerning...
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Simultaneous determination of trigonelline and caffeine and its application in the identification of Chinese Citrus, Coffee and Rape honey
Honey is a popular healthy product, but the honey fraud is serious on the market, so the various characteristics of honey have been explored to...
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Genetic association between coffee/caffeine consumption and the risk of obstructive sleep apnea in the European population: a two-sample Mendelian randomization study
BackgroundThe association between coffee/caffeine consumption and obstructive sleep apnea (OSA) risk remains unclear.
PurposeTo determine the...
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Gas Chromatography-Flame Ionization Technique for the Determination of Mitragynine, Caffeine, Diphenhydramine, Promethazine, and Tramadol in Kratom Drinks
AbstractThe determination of mitragynine and psychoactive substances in kratom drinks is essential for forensic investigation and medical treatment....
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A Novel Quantitative Insight into the Chemical Reactivity of Caffeine in Acidic, Neutral and Basic Medium in an Electrophilic Substitution Reaction
AbstractThe chemical reactivity of caffeine in aqueous medium at different pH in the bromination reaction was quantitatively assessed from...
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The challenging removal of emerging pollutants: electrochemical regeneration to recover the adsorption capacity of a caffeine-saturated activated carbon
The treatment of emerging pollutants is challenging due to the very low concentration in which they are found in nature, along with their general...
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Effect of isolated and combined ingestion of caffeine and citrulline malate on resistance exercise and jum** performance: a randomized double-blind placebo-controlled crossover study
PurposeThe aim of this study was to explore the isolated and combined effects of caffeine and citrulline malate (CitMal) on jum** performance,...
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Novel Physically-Crosslinked Caffeine and Vitamin C-Loaded PVA/Aloe Vera Hydrogel Membranes for Topical Wound Healing: Synthesis, Characterization and In-Vivo Wound Healing Tests
Novel physically-crosslinked PVA membranes blended with Aloe vera extract were fabricated by solution-casting method. Physically-crosslinking process...
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Load and muscle group size influence the ergogenic effect of acute caffeine intake in muscular strength, power and endurance
IntroductionAlthough acute caffeine intake seems to improve muscular strength–power–endurance performance, there is scarce evidence evaluating upper...