Spectroscopic Methods of Analysis

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Guest Editor

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Guest Editor
School of Environment and Science, Griffith University, 70 Kessels Road, Brisbane, QLD 4111, Australia
Interests: environment; chemometrics; artificial intelligence; antimicrobial materials; rapid diagnostics

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Guest Editor
MiCRA-Biodiagnostics TU Dublin, Tallaght CASH-Synergy Centre Tallaght, D24 FKT9 Dublin, Ireland
Interests: materials chemistry; spectroscopy

Special Issue Information

Dear Colleagues,

Spectroscopy, a widely utilized analytical technique, has traditionally focused on the absorption, emission, and scattering of visible, ultraviolet, and infrared electromagnetic radiation. However, the scope of spectroscopy has significantly broadened to encompass a variety of other electromagnetic radiation forms, such as X-rays, microwaves, and radio waves, as well as the analysis involving energetic particles like electrons and ions.

We are pleased to announce a Special Issue dedicated to "Spectroscopic Methods of Analysis". In this Special Issue, we will collect articles from researchers in the further study of optical spectroscopic methods. We particularly encourage submissions that explore the myriad of methods now routinely employed to investigate the properties of individual macromolecules, their complexes, organelles, and cells through optical spectroscopic techniques. This includes innovative methods and approaches for both experimental and theoretical analysis, single-molecule studies, electronic absorption, and electro-optical assessments of macromolecular interactions, structures, and dynamics.

We look forward to your insightful submissions and the opportunity to showcase the latest advancements in the field.

Dr. Daniel Cozzolino
Dr. James Chapman
Dr. Aoife Power
Guest Editors

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Keywords

  • IR spectroscopy
  • NIR spectroscopy
  • UV/VIS spectroscopy
  • NMR
  • mass spectrometry
  • fluorescence methods
  • spectrophotometric methods

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Published Papers (1 paper)

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Research

12 pages, 453 KiB  
Article
Development and Validation of a High-Throughput Quantification Method of Crown Procyanidins in Different Wines by UHPLC-Q-TOF
by Manon Ferreira, Pierre-Louis Teissedre and Michaël Jourdes
Methods Protoc. 2025, 8(1), 7; https://doi.org/10.3390/mps8010007 - 11 Jan 2025
Viewed by 361
Abstract
Procyanidins are widely distributed in plant-derived foods, and consist of flavanol oligomers and polymers. Recently, the crown procyanidin sub-family, characterised by a unique macrocyclic structure, has been identified in grapes and wine. This study reports the development and validation of a rapid and [...] Read more.
Procyanidins are widely distributed in plant-derived foods, and consist of flavanol oligomers and polymers. Recently, the crown procyanidin sub-family, characterised by a unique macrocyclic structure, has been identified in grapes and wine. This study reports the development and validation of a rapid and quantitative analytical method measuring crown procyanidin concentration in red and white wines using ultra-high-performance liquid chromatography (UHPLC) coupled with a Q-TOF mass spectrometer. Validation followed international standards, demonstrating high sensitivity (LOQ = 0.033 mg/L), accuracy (recovery = 88.21% to 107.64%), repeatability (RSD = 1.99% to 11.03%), and intermediate reproducibility (RSD = 2.51% to 19.05%). Minimal matrix effects were observed, ensuring reliable and precise quantification across both wine types. The applicability of the method was confirmed through the successful analysis of wine samples, leading to the first quantification of crown procyanidins in white wine. Concentrations ranged from 0.81 mg/L to 15.88 mg/L in the different analysed wines. This validated method provides a valuable tool for the study of crown procyanidin profiles in various wine matrices and establishes a foundation for future research into the role of crown procyanidins in wines and other food and beverage matrices where these compounds may be present. Full article
(This article belongs to the Special Issue Spectroscopic Methods of Analysis)
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