Simple PDMS microdevice for biomedical applications.


Journal

Talanta
ISSN: 1873-3573
Titre abrégé: Talanta
Pays: Netherlands
ID NLM: 2984816R

Informations de publication

Date de publication:
01 Feb 2019
Historique:
received: 18 09 2018
revised: 19 09 2018
accepted: 21 09 2018
entrez: 29 10 2018
pubmed: 29 10 2018
medline: 14 11 2018
Statut: ppublish

Résumé

Polydimethylsiloxane (PDMS) is a well-known biocompatible polymer employed for many applications in the biomedical field. In this study, the biocompatibility and versatility of PDMS was tested setting up a microdevice devoted to the purification and analysis of nucleic acids. The PDMS microdevice was demonstrated to successfully fulfill all requirements of genetic analyses such as genotyping and pathogen DNA identification both in multiplex and real-time PCR, suggesting the possibility to carry out a molecular test directly on-chip. Moreover, the PDMS microdevice was successfully applied to the purification and detection of disease biomarkers, such as microRNAs related to cancer or heart disease. On-chip microRNA purification was demonstrated starting from clinically relevant samples, i.e. plasma, serum, tissue biopsies. Significantly, the purification and the transcription of microRNA into cDNA occur in the same PDMS chamber, saving time and labor for the overall analysis. Again, the PDMS microdevice was confirmed as a notable candidate for compact, rapid, easy-to-use molecular tests.

Identifiants

pubmed: 30368296
pii: S0039-9140(18)30996-2
doi: 10.1016/j.talanta.2018.09.080
pii:
doi:

Substances chimiques

Biomarkers 0
Dimethylpolysiloxanes 0
MicroRNAs 0
baysilon 63148-62-9
DNA 9007-49-2

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

44-50

Informations de copyright

Copyright © 2018 Elsevier B.V. All rights reserved.

Auteurs

C Potrich (C)

Fondazione Bruno Kessler, Center for Materials and Microsystems, Lab. Biomarker Studies and Structure Analysis for Health, via Sommarive 18, I-38123 Povo (Trento), Italy; CNR - Consiglio Nazionale delle Ricerche, Istituto di Biofisica, via alla Cascata 56/C, I-38123, Povo (Trento), Italy. Electronic address: cpotrich@fbk.eu.

L Lunelli (L)

Fondazione Bruno Kessler, Center for Materials and Microsystems, Lab. Biomarker Studies and Structure Analysis for Health, via Sommarive 18, I-38123 Povo (Trento), Italy; CNR - Consiglio Nazionale delle Ricerche, Istituto di Biofisica, via alla Cascata 56/C, I-38123, Povo (Trento), Italy.

M Cocuzza (M)

Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino I-10129, Italy; CNR-IMEM, Parco Area delle Scienze 37a, 43124 Parma, Italy.

S L Marasso (SL)

Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino I-10129, Italy; CNR-IMEM, Parco Area delle Scienze 37a, 43124 Parma, Italy.

C F Pirri (CF)

Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino I-10129, Italy.

C Pederzolli (C)

Fondazione Bruno Kessler, Center for Materials and Microsystems, Lab. Biomarker Studies and Structure Analysis for Health, via Sommarive 18, I-38123 Povo (Trento), Italy.

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Classifications MeSH