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Caffeine Quantification Via High-Precision Coulometric Titration
Caffeine has traditionally been used to assess and control the metrological characteristics of liquid chromatographs. In recent years, with...
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Synergistic in vitro antimicrobial activity of caffeine/AgNPs–triton X-100
The aim of this study is to investigate the antimicrobial activity and in vitro toxicity of caffeine/AgNPs–triton X-100 and characterize the produced...
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Monitoring temporal evolution of the dehydration process of the caffeine hydrate with terahertz spectroscopy
Drugs or foods in various forms, such as hydrate and anhydrous forms, can affect the different therapeutic effect, which is crucial to identify...
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Prediction of Caffeine in Tablets Containing Acetylsalicylic Acid, Dipyrone, and Paracetamol by Near-Infrared Spectroscopy, Raman Scattering, and Partial Least Squares Regression
Two chemometric models drawing on diffuse reflectance near-infrared spectroscopy and Raman scattering are proposed to predict caffeine content in...
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Melting Point Certified Reference Materials for Organic Substances: Development Prospects
Measurements of the melting point of high-purity organic substances are crucial in various fields, such as medicine, biology, and perfumery and...
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Neuromuscular Transmission in a Barium Environment
AbstractThe neuromuscular junction of amphibians (lake frogs) was studied in a calcium-free medium. It is known that the activation of...
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Simultaneous Determination of Paracetamol, Orphenadrine Citrate, and Caffeine Ternary Mixture by Different Spectrophotometric Methods
The resolving power of spectrophotometric assisted mathematical techniques was demonstrated for the simultaneous determination of the challenging...
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Application of Graphene, Its Derivatives, and Their Nanocomposites
The scientific and engineering community has become interested in graphene, on the ground of its distinctive bidimensional structure and superior...
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Investigation and Comparison of Nutritional Supplements (Elements and Compounds) in Various Tea Leaves using Spectroscopic Techniques
Qualitative and quantitative analyses of nutritional supplements and adulteration/toxic elements present in various tea leaves have been performed...
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Heteroassociation of Caffeine and a Phenanthridine Dye in Aqueous Solution
Association of ethidium bromide and caffeine in aqueous solution was studied using spectrophotometry. The results were analyzed using a molecular...
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Mathematical Modelling and High Resolution Fluorescence Imaging for Studying Calcium Regulation
The aim of this chapter is to describe and discuss a fundamental concept for studying cellular signalling. It is the combination of state of the art...
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Adsorption and Desorption of Micropollutants
Micropollutant (MP) contamination of water resources has sparked extensive environmental research. These MPs are frequently found in sewage,...
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Coded Raman Spectroscopy Using Spatial Light Modulators
This chapter provides an overview of advances in Raman spectroscopy resulting from the use of spatial light modulators (SLMs). We discuss the use of...
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Molecular dynamics simulations, molecular docking study, and scaled quantum calculations of 5-hydroxy-2-nitrobenzaldehyde
The hybrid correlation method is used to examine the spectra of 5-hydroxy-2-nitrobenzaldehyde (5H2NB) in the FT-IR, FT-Raman, UV, and NMR ranges. For...
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Pulse shape and molecular orientation determine the attosecond charge migration in Caffeine
The recent reduction of laser pulse duration down to the attosecond regime offers unprecedented opportunities to investigate ultrafast changes in...
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Mitochondrial and ER Calcium Uptake and Release Fluxes and their Interplay in Intact Nerve Cells
Ionized free Ca ( Ca 2+) is a ubiquitous signaling ion that serves as the critical link between a variety of physiological stimuli and their...
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Measurement of Carbon Isotope Ratio in Vanillin Using the CM-CRDS Method: Achieving an Expanded Uncertainty Below 0.1‰
Isotopic analysis is an effective method for quality control and detection of adulterated food products, with the elemental analyzer isotope ratio...
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The power of light and sound: optoacoustic skin imaging for diabetes progression monitoring
Diabetes progression is marked by damage to vascular and neural networks. Raster-scan optoacoustic mesoscopy holds the potential to measure extent of...
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Certified Reference Materials for the Phase Transition Temperature of Organic Substances Based on Anhydrous Sodium Acetate and Sodium Methansulfonate
The requirements for thermal analysis instruments are increasing in terms of extending the measurement ranges and improving their accuracy with...
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Influence of real gas effects on shockwaves in shock tube
Supercritical carbon dioxide (SCO 2 ) is carbon dioxide that is maintained at a pressure and temperature higher than its critical point values,...
