Issue 10, 2015

Solution-based nanosensors for in-field detection with the naked eye

Abstract

Nanomaterials are revolutionising analytical applications with low-cost tests that enable detecting a target molecule in a few steps and with the naked eye. With this approach, non-experts can perform analyses on-site and without utilising electronic readers. This is advantageous in point-of-care diagnostics, in-field measurements and analyses performed in resource-constrained settings. Here we review the main strategies adopted for detecting analytes with the naked eye and at the point of need using plasmonic nanosensors, catalytic nanoparticles and fluorescent nanomaterials. Examples of the detection of ions, glucose, small molecules, peptides and proteins with the nanosensors are explained in detail.

Graphical abstract: Solution-based nanosensors for in-field detection with the naked eye

Article information

Article type
Critical Review
Submitted
15 Гру 2014
Accepted
14 Бер 2015
First published
16 Бер 2015

Analyst, 2015,140, 3308-3317

Author version available

Solution-based nanosensors for in-field detection with the naked eye

S. Paterson and R. de la Rica, Analyst, 2015, 140, 3308 DOI: 10.1039/C4AN02297A

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