The Role of the Preanalytical Step for Human Saliva Analysis via Vibrational Spectroscopy.
ATR-FTIR
Raman
saliva
sample processing
Journal
Metabolites
ISSN: 2218-1989
Titre abrégé: Metabolites
Pays: Switzerland
ID NLM: 101578790
Informations de publication
Date de publication:
08 Mar 2023
08 Mar 2023
Historique:
received:
10
02
2023
revised:
27
02
2023
accepted:
06
03
2023
medline:
30
3
2023
entrez:
29
3
2023
pubmed:
30
3
2023
Statut:
epublish
Résumé
Saliva is an easily sampled matrix containing a variety of biochemical information, which can be correlated with the individual health status. The fast, straightforward analysis of saliva by vibrational (ATR-FTIR and Raman) spectroscopy is a good premise for large-scale preclinical studies to aid translation into clinics. In this work, the effects of saliva collection (spitting/swab) and processing (two different deproteinization procedures) were explored by principal component analysis (PCA) of ATR-FTIR and Raman data and by investigating the effects on the main saliva metabolites by reversed-phase chromatography (RPC-HPLC-DAD). Our results show that, depending on the bioanalytical information needed, special care must be taken when saliva is collected with swabs because the polymeric material significantly interacts with some saliva components. Moreover, the analysis of saliva before and after deproteinization by FTIR and Raman spectroscopy allows to obtain complementary biological information.
Identifiants
pubmed: 36984834
pii: metabo13030393
doi: 10.3390/metabo13030393
pmc: PMC10055013
pii:
doi:
Types de publication
Journal Article
Langues
eng
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