Abstract
The ubiquity and importance of ROS and RNS in cellular signaling, disease development, and death give rise to an outstanding interest in their detection and quantification. Among the analytical techniques available, electrochemical sensors stand out for the detection of ROS/RNS due to their high sensitivity and inherent miniaturization which allows the in situ and real-time detection together with a tunable selectivity due to the different electrochemical behavior of ROS/RNS. Nanomaterial-based enzyme-free electrochemical sensors possess improved sensitivity, selectivity, stability, and unique catalytic activities. In addition, their integration in nanoelectrodes, lab-on-chips, microfluidic systems, and stretchable electrodes allow the determination of ROS/RNS in individual cells, cell organelles, or cell populations, under different experimental conditions hardly accessible using classical detection methods.
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06 August 2022
A Correction to this paper has been published: https://doi.org/10.1007/s00604-022-05418-y
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Acknowledgements
D.R. acknowledges European Union’s Horizon 2020 research and innovation program under the Marie Skłodowska-Curie grant agreement N°713714 and co-funding of University of Teramo and Abruzzo region.
J.F.H-R. and A.E. acknowledge financial support from the TRANSNANOAVANSENS program (S2018-NMT-4349) from the Community of Madrid. AE also acknowledges Spanish Ministry of Economy, Industry and Competitiveness (CTQ2017-86441-C2-1-R). J.F.H-R also acknowledges the FPI fellowship received from the University of Alcalá.
F.D.P. and D.C. acknowledge the Ministry of Education, University and Research (MIUR) and European Social Fund (ESF) for the PON R&I 2014–2020 program, action 1.2 “AIM: Attraction and International Mobility” (AIM1894039-3).
D.C. acknowledges the PRIN 2017 ACTUaL project of the Italian Ministry of Education, University and Research (MIUR).
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Glossary
- 17-oxo-DHA:
-
17-Oxo-docosahexaenoic acid
- A431:
-
Model human cell line epidermoid carcinoma
- A549:
-
Adenocarcinomic human alveolar basal epithelial cells
- AA:
-
Ascorbic acid
- ALA:
-
Alpha lipoic acid
- AuNFs:
-
Gold nanoflowers
- AuNTs:
-
Gold nanotubes
- AuNWs:
-
Gold nanowires
- Aβ:
-
Amyloid β protein
- CaCo-2:
-
Immortalized cell line of human colorectal adenocarcinoma cells
- CB:
-
Carbon black
- CHAPS:
-
3-[(3-Cholamidopropyl) dimethylammonio]-1-propanesulfonate
- CNTs:
-
Carbon nanotubes
- CTS:
-
Chitosan
- DLTA:
-
DL-thioctic acid
- DPV:
-
Differential pulsed voltammetry
- fMLP:
-
N-formylmethionyl-leucyl-phenylalanine peptide
- GCE:
-
Glassy carbon electrode
- GNs:
-
Graphene nanosheets
- GSH:
-
Glutathione
- GSH:
-
Reduced glutathione
- H9C2:
-
Cell model used as an alternative for cardiomyocytes
- HAT:
-
1-Hexanethiol
- HEBEC:
-
Human bronchial epithelial cells
- HEK-293:
-
Normal fetal human embryonic kidney cells
- HepG2:
-
Human liver cancer cell line
- DU145:
-
Human prostate cancer cells
- HUVEC:
-
Human umbilical vein endothelial cells. Are primary human cells isolated from the vein of the umbilical cord
- IFN-γ:
-
Interferon-γ
- ITO:
-
Indium tin oxide
- L-Arg:
-
L-Arginine
- L-NAME:
-
N-nitroarginine methyl ester
- LNCaP:
-
Cell line derived from a metastatic lymph node lesion of human prostate cancer
- LPS:
-
Lipopolysaccharide
- MCF-7:
-
Breast cancer cell line isolated
- MDA-MB-231:
-
Human breast adenocarcinoma cells. Cell line isolated from the breast tissue of an adenocarcinoma patient
- MEA:
-
Microelectrode array
- MOF:
-
Metal-organic framework
- MP:
-
4-Methoxy phenol
- MPNS:
-
Microporous polymeric nanospheres
- MWCNTs:
-
Multiwalled carbon nanotubes
- NAC:
-
N-acetyl-L-cysteine
- NCS:
-
N-doped carbon spheres
- NGS:
-
N-doped graphene nanosheets
- OFET:
-
Organic field-effect transistor
- PB:
-
Prussian blue
- PC12:
-
Cell line derived from a pheochromocytoma of the rat adrenal medulla
- PDA:
-
Polydopamine
- PDMS:
-
Polydimethylsiloxane
- PET:
-
Polyethylene terephthalate
- PHT:
-
Poly(3-hexylthiophene)
- PLLA-PTMC:
-
Copolymer of poly(L-lactic acid) and polytrimethylene carbonate
- PMA:
-
Phorbol 12-myristate 13-acetate
- Raw 264.7:
-
Macrophage-like cells, originating from Abelson leukemia virus transformed cell line derived from BALB/c mice
- rGO:
-
Reduced graphene oxide
- RNS:
-
Reactive nitrogen species
- ROS:
-
Reactive oxygen species
- SAM:
-
Self-assembled monolayer
- SECM:
-
Scanning electrochemical microscopy
- SH-5Y5Y:
-
Neuroblastoma cell line. It serves as a model for neurodegenerative disorders
- SK-OV-3:
-
Ovarian human cancer–derived cell line
- SPCE:
-
Screen-printed carbon electrode
- THP-1:
-
Immortalized monocyte-like cell line, derived from the peripheral blood of a childhood case of acute monocytic leukemia
- U87:
-
Cell line derived from human malignant gliomas
- UA:
-
Uric acid
- UME:
-
Ultramicroelectrodes
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Rojas, D., Hernández-Rodríguez, J.F., Della Pelle, F. et al. New trends in enzyme-free electrochemical sensing of ROS/RNS. Application to live cell analysis. Microchim Acta 189, 102 (2022). https://doi.org/10.1007/s00604-022-05185-w
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DOI: https://doi.org/10.1007/s00604-022-05185-w