Results 111 to 120 of about 62,649 (242)

A New Double‐Algorithmic Architecture for Wavelet‐Domain Multiway Separation of Overlapping UV Spectra and Co‐Quantification of Analytes

Journal of Chemometrics, Volume 40, Issue 5, May 2026.
ABSTRACT In this study, a new double‐algorithmic chemometric architecture employing continuous wavelet transform (CWT) and parallel factor analysis (PARAFAC) was developed for wavelet‐domain separation of overlapping UV spectra and co‐quantification of analytes in laboratory‐prepared binary mixtures and a commercial tablet formulation.
Erdal Dinç
wiley   +1 more source

Hyperspectral images segmentation: a proposal [PDF]

, 2009
Hyper-Spectral Imaging (HIS) also known as chemical or spectroscopic imaging is an emerging technique that combines imaging and spectroscopy to capture both spectral and spatial information from an object. Hyperspectral images are made up of contiguous
BELLON-MAUREL, Véronique, CHRISTOPHE, Florio, GORETTA, Nathalie, LELONG, Camille, RABATEL, Gilles, ROGER, Jean-Michel   +5 more
core   +1 more source

Differential Pulse Voltammetric Analysis of the New Psychoactive Drug 3β‐(4‐Fluorobenzoyloxy)tropane (fluorotropacocaine)

Electroanalysis, Volume 38, Issue 5, May 2026.
First voltammetric characterization of fluorotropacocaine and development of a selective DPV method for real‐sample analysis. A Design of Experiments (DoE)‐optimized Florisil‐SPE cleanup enables up to 50× enrichment and sensitive detection in urine, with high selectivity against excipients, endogenous components, and co‐occurring new psychoactive ...
Giancarla Alberti, Stefano Protti, Alessandra Bonanni, Azzurra Naso, Daniele Merli   +4 more
wiley   +1 more source

(Non) Linear Regression Modeling [PDF]

We will study causal relationships of a known form between random variables. Given a model, we distinguish one or more dependent (endogenous) variables Y = (Y1, . . .
Čížek, Pavel
core  

Machine Learning Approaches for GC–MS Data Interpretation in Flavour and Fragrance Analysis

Flavour and Fragrance Journal, Volume 41, Issue 3, Page 437-448, May 2026.
The review explores machine learning integration in GC‐MS data analysis for the fragrance and flavour industry, highlighting recent advances and techniques in a context constrained by data scarcity and intellectual property concerns. ABSTRACT This review explores the integration of machine learning (ML) in the analysis of mass spectrometry data ...
Jean‐Baptiste Coffin, Romain Krafft, Sylvain Antoniotti, Sébastien Fiorucci   +3 more
wiley   +1 more source

Exploring portable NIR spectroscopy in transmittance and reflectance modes for the authentication of Brazilian coffees with geographical indications

Journal of the Science of Food and Agriculture, Volume 106, Issue 7, Page 4038-4048, May 2026.
Abstract BACKGROUND Geographical indications (GIs) certify the link between coffee origin and quality, enabling premium pricing and protecting producers. However, the high market value of GI coffees increases their vulnerability to fraud, underscoring the need for reliable and practical authentication methods.
Leticia Tessaro, Yhan da Silva Mutz, Mikaela Martins de Bem, Natália de Oliveira Souza, Cleiton Antônio Nunes   +4 more
wiley   +1 more source

CAR‐T Cells: Current Status, Challenges, and Future Prospects

MedComm, Volume 7, Issue 5, May 2026.
This graphical abstract outlines the current status, challenges, and future prospects of CAR‐T cells. The biological basis of CAR‐T cell therapy is the elegant redirection of adaptive immunity. Its initial successes have exposed a landscape of multifaceted challenges.
Aya Sedky Adly, Guillaume Cartron, Afnan Sedky Adly, Jean‐Christophe Egea, Pierre‐Yves Collart Dutilleul, Mahmoud Sedky Adly, Martin Villalba   +6 more
wiley   +1 more source

Organ‐Specific Phytochemical Composition and Bioactivity Profiling of Chaerophyllum aksekiense: A Multiassay Antioxidant, Enzyme Inhibition, and Correlation‐Based Evaluation

ChemistryOpen, Volume 15, Issue 5, May 2026.
This study reveals the organ‐specific phytochemical specialization of the endemic Chaerophyllum aksekiense for the first time. Although leaves exhibit the highest phenolic content and antioxidant capacity, flowers stand out with flavonoid accumulation, and roots demonstrate potent enzyme inhibition.
Bedrettin Selvi, Elif Aktürk Bozdemir
wiley   +1 more source

Monitoring Biogenic Amines: Comparative Assessment of Detection Methods for Key Market Marine and Freshwater Species

Journal of Food Science, Volume 91, Issue 5, May 2026.
ABSTRACT Biogenic amines, primarily histamine, cadaverine, and putrescine, are important indicators of microbial spoilage and potential health risks. This review summarizes established and novel analytical methods for quantitatively determining biogenic amines in fish and fish products, along with their limits of detection in these complex matrices ...
Lasse Petersen
wiley   +1 more source

Multi-Way Fluorescence Technique Combined with Four-Way Calibration for the Determination of Thiabendazole and Carbaryl in Apple

Chemosensors
In this study, an excitation–emission–pH multi-way fluorescence technique coupled with a third-order calibration method based on an alternating quadrilinear decomposition (AQLD) algorithm was proposed for the simultaneous determination of thiabendazole ...
Haiyan Chang, Hailong Wu, Tong Wang, Xiaozhi Wang, Ruqin Yu   +4 more
doaj   +1 more source