Porous Silicon Optical Biosensors: Still a Promise or a Failure?

Even if the first published article on a porous silicon (PSi)-based biosensor dates back to more than twenty years ago, this technology still attracts great attention from many research groups around the world. In this brief review, the pros and cons of porous silicon-based optical biosensors will b...

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Bibliographic Details
Published inSensors (Basel, Switzerland) Vol. 19; no. 21; p. 4776
Main Author De Stefano, Luca
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 03.11.2019
MDPI
Subjects
Biosensing Techniques
Biosensors
functionalization
label-free imaging
Laboratories
Nanostructured materials
Opinion
optical biosensors
Optical Phenomena
Porosity
porous silicon
Semiconductors
Sensors
Silicon
Silicon - chemistry
Spectrum Analysis
functionalization
label-free imaging
porous silicon
optical biosensors
Online AccessGet full text
ISSN1424-8220
1424-8220
DOI10.3390/s19214776

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Summary:Even if the first published article on a porous silicon (PSi)-based biosensor dates back to more than twenty years ago, this technology still attracts great attention from many research groups around the world. In this brief review, the pros and cons of porous silicon-based optical biosensors will be highlighted on the basis of some recent results and published papers on this subject. The aim of the paper is to give a straightforward introduction to PhD students and young researchers on this subject, which is particularly full of educative content, since it is highly multidisciplinary. Fabrication of PSi-based optical biosensors requires competencies related to many different scientific topics ranging from material science, physics and optics to healthcare and environmental monitoring through surface chemistry and more.
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ISSN:1424-8220
1424-8220
DOI:10.3390/s19214776