Results 101 to 110 of about 100,399 (331)
Chemistry–Methods, EarlyView.GA: Four‐step process for cannabidiol (CBD) detection in Cannabis sativa extracts. (1) The plant extract is obtained. (2) An electrochemical sensor detects CBD using a screen‐printed electrode. (3) Electrochemical signatures of real samples are recorded, showing current vs. potential curves.
Wanda Cimmino +13 more
wiley +1 more source
Chemometrics: A new scenario in herbal drug standardization
Journal of Pharmaceutical Analysis, 2014 Chromatography and spectroscopy techniques are the most commonly used methods in standardization of herbal medicines but the herbal system is not easy to analyze because of their complexity of chemical composition.
Ankit Bansal +3 more
doaj
Clinical Chemistry, 1986 Abstract Chemometrics is broadly defined as the application of mathematical and statistical methods to chemistry. Because the mathematical and statistical aspects of chemistry require measured values, analytical chemists have been at the forefront of the "chemometric revolution." Using the analysis of variance as a paradigm, I present an
openaire +3 more sources
Chemistry–Methods, EarlyView.A broadly applicable and robust solid‐state NMR approach, combined with multivariate curve resolution‐alternating least squares, is presented to overcome the limitations of traditional methods. By leveraging advanced spectral deconvolution, it ensures accurate quantification of crystalline and amorphous active pharmaceutical ingredients phases, even ...
Chiara Sabena +6 more
wiley +1 more source
The impact of spectral data pre-processing on the assessment of red wine vintage through spectroscopic methods. [PDF]
J Sci Food AgricAbstract Background Red wine is a common target of fraudulent acts considering its high market value and popularity. Although there has been much effort to assess the geographical and varietal origin of wine, this is not the case for wine vintage.
Tsagkaris AS +3 more
europepmc +2 more sources
Chemistry–Methods, EarlyView.Inline monitoring of chemical reactions using spectroscopy can lead to great improvements in process efficiency and economics. In this work, we performed inline attenuated total reflectance infrared spectroscopy on two reactions involving bioderived lactones.
Jelle W. Bos +6 more
wiley +1 more source
ChemPlusChem, EarlyView.Sequentially shifted excitation (SSE) Raman results on artificiallyaged acrylic‐based model paints and Tela (1973) canvas painting by Griffa suggest the surface enrichment in surfactant. Vandalic trait, with an orange felt‐tip pen, consists of an acrylic binder and azo‐dyes.
Jana Striova +4 more
wiley +1 more source
Panel performance: Modelling variation in sensory profiling data by multiway analysis [PDF]
, 2009 Sensory profiling data is essentially three-way data where samples, attributes and assessors are the three dimensions of information. It is common practice to average over the assessors and focus the analysis on the relations between samples and sensory ...
Bredie, Wender L. P. +2 more
core
Structure–Activity Relationships in RuCs/MgO Catalysts During Ammonia Synthesis
ChemSusChem, EarlyView.Ru and Cs species in RuCs/MgO catalysts are mapped under relevant temperatures and pressures of ammonia synthesis with the help of operando X‐ray absorption spectroscopy. Interconversion of three types of Ru (RuO2, highly dispersed RuOx clusters, and metallic Ru) as well as hydrated and dehydrated Cs+ species are observed and correlated with ammonia ...
Linus Biffar +5 more
wiley +1 more source
A self-reactivated PdCu catalyst for aldehyde electro-oxidation with anodic hydrogen production
Nature CommunicationsThe low-potential aldehyde oxidation reaction can occur at low potential (~0 VRHE) and release H2 at the anode, enabling hydrogen production with less than one-tenth of the energy consumption required for water splitting.
Ming Yang +11 more
doaj +1 more source