Light-Emitting Silicon Nanowires (Si NWs) as a Novel Sensing Platform for SARS-CoV-2 Detection

Silicon nanowires (Si NWs) are considered an outstanding material for several applications. We have realized quantum-confined and room-temperature luminescent Si NWs. These Si NWs exhibit a high-aspect ratio, and high sensitive and selective label-free detection has been demonstrated for proteins, s...

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Main Authors: Antonio Alessio Leonardi, Emanuele Luigi Sciuto, Maria José Lo Faro, Barbara Fazio, Maria Giovanna Rizzo, Luca Francioso, Rosaria Anna Picca, Francesco Nastasi, Alessia Irrera, Sabrina Conoci
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Language:English
Published: MDPI AG 2024-04-01
Series:Proceedings
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Online Access:https://www.mdpi.com/2504-3900/97/1/159
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author Antonio Alessio Leonardi
Emanuele Luigi Sciuto
Maria José Lo Faro
Barbara Fazio
Maria Giovanna Rizzo
Luca Francioso
Rosaria Anna Picca
Francesco Nastasi
Alessia Irrera
Sabrina Conoci
author_facet Antonio Alessio Leonardi
Emanuele Luigi Sciuto
Maria José Lo Faro
Barbara Fazio
Maria Giovanna Rizzo
Luca Francioso
Rosaria Anna Picca
Francesco Nastasi
Alessia Irrera
Sabrina Conoci
author_sort Antonio Alessio Leonardi
collection DOAJ
description Silicon nanowires (Si NWs) are considered an outstanding material for several applications. We have realized quantum-confined and room-temperature luminescent Si NWs. These Si NWs exhibit a high-aspect ratio, and high sensitive and selective label-free detection has been demonstrated for proteins, small extracellular vesicles, and DNAs. The realization of a SARS-CoV-2 Si NW sensor able to detect a few virus copies and remain unaffected by the variant (such as Omicron) is reported, paving the way for new, cheap, optical label-free devices for the primary health care diagnosis with an industrially compatible approach.
format Article
id doaj-art-72d524bcd93e42e593ad0665e1c8ecf6
institution Kabale University
issn 2504-3900
language English
publishDate 2024-04-01
publisher MDPI AG
record_format Article
series Proceedings
spelling doaj-art-72d524bcd93e42e593ad0665e1c8ecf62024-12-27T14:49:01ZengMDPI AGProceedings2504-39002024-04-0197115910.3390/proceedings2024097159Light-Emitting Silicon Nanowires (Si NWs) as a Novel Sensing Platform for SARS-CoV-2 DetectionAntonio Alessio Leonardi0Emanuele Luigi Sciuto1Maria José Lo Faro2Barbara Fazio3Maria Giovanna Rizzo4Luca Francioso5Rosaria Anna Picca6Francesco Nastasi7Alessia Irrera8Sabrina Conoci9URT Lab SENS, Beyond NANO, CNR-DSFTM, Viale Ferdinando Stagno d’Alcontres 31, 98166 Messina, ItalyURT Lab SENS, Beyond NANO, CNR-DSFTM, Viale Ferdinando Stagno d’Alcontres 31, 98166 Messina, ItalyDipartimento di Fisica e Astronomia “Ettore Majorana”, Università degli Studi di Catania, Via S. Sofia 64, 95123 Catania, ItalyURT Lab SENS, Beyond NANO, CNR-DSFTM, Viale Ferdinando Stagno d’Alcontres 31, 98166 Messina, ItalyDipartimento di Scienze Chimiche, Biologiche, Farmaceutiche, ed Ambientali, Università degli Studi di Messina, Viale Ferdinando Stagno d’Alcontres 31, 98166 Messina, ItalyCNR-IMM, Istituto per la Microelettronica e Microsistemi, Via Monteroni, University Campus, 73100 Lecce, ItalyDipartimento di Chimica, Università degli Studi di Bari, Via E. Orabona 4, 70126 Bari, ItalyDipartimento di Scienze Chimiche, Biologiche, Farmaceutiche, ed Ambientali, Università degli Studi di Messina, Viale Ferdinando Stagno d’Alcontres 31, 98166 Messina, ItalyURT Lab SENS, Beyond NANO, CNR-DSFTM, Viale Ferdinando Stagno d’Alcontres 31, 98166 Messina, ItalyURT Lab SENS, Beyond NANO, CNR-DSFTM, Viale Ferdinando Stagno d’Alcontres 31, 98166 Messina, ItalySilicon nanowires (Si NWs) are considered an outstanding material for several applications. We have realized quantum-confined and room-temperature luminescent Si NWs. These Si NWs exhibit a high-aspect ratio, and high sensitive and selective label-free detection has been demonstrated for proteins, small extracellular vesicles, and DNAs. The realization of a SARS-CoV-2 Si NW sensor able to detect a few virus copies and remain unaffected by the variant (such as Omicron) is reported, paving the way for new, cheap, optical label-free devices for the primary health care diagnosis with an industrially compatible approach.https://www.mdpi.com/2504-3900/97/1/159biosensorssilicon nanowireslight emissionSARS-CoV-2optical sensorOmicron
spellingShingle Antonio Alessio Leonardi
Emanuele Luigi Sciuto
Maria José Lo Faro
Barbara Fazio
Maria Giovanna Rizzo
Luca Francioso
Rosaria Anna Picca
Francesco Nastasi
Alessia Irrera
Sabrina Conoci
Light-Emitting Silicon Nanowires (Si NWs) as a Novel Sensing Platform for SARS-CoV-2 Detection
Proceedings
biosensors
silicon nanowires
light emission
SARS-CoV-2
optical sensor
Omicron
title Light-Emitting Silicon Nanowires (Si NWs) as a Novel Sensing Platform for SARS-CoV-2 Detection
title_full Light-Emitting Silicon Nanowires (Si NWs) as a Novel Sensing Platform for SARS-CoV-2 Detection
title_fullStr Light-Emitting Silicon Nanowires (Si NWs) as a Novel Sensing Platform for SARS-CoV-2 Detection
title_full_unstemmed Light-Emitting Silicon Nanowires (Si NWs) as a Novel Sensing Platform for SARS-CoV-2 Detection
title_short Light-Emitting Silicon Nanowires (Si NWs) as a Novel Sensing Platform for SARS-CoV-2 Detection
title_sort light emitting silicon nanowires si nws as a novel sensing platform for sars cov 2 detection
topic biosensors
silicon nanowires
light emission
SARS-CoV-2
optical sensor
Omicron
url https://www.mdpi.com/2504-3900/97/1/159
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