Authors
Tzu-Heng Wu, Chia-Chen Chang, Julien Vaillant, Aurélien Bruyant, Chii-Wann Lin,
Title
DNA biosensor combining single-wavelength colorimetry and a digital lock-in amplifier within a smartphone
In
Lab on a Chip
Volume
16
Issue
23
Pages
4527–4533
Publisher
Royal Society of Chemistry
Year
2016
Publisher's URL
http://pubs.rsc.org/-/content/articlehtml/2016/lc/c6lc01170e
Indexed by
Abstract
Smartphone camera based gold nanoparticle colorimetry (SCB-AuNP colorimetry) has shown good potential for point-of-care applications. However, due to the use of a camera as a photo-detector, there are major limitations to this technique such as a low bit resolution (∼ 8 bits mainstream) and a low data acquisition rate. These issues have limited the ultimate sensitivity of smartphone based colorimetry as well as the possibility to integrate efficiently a more sensitive approach such as detection based on a lock-in amplifier (LIA). In this paper ...
Affiliations
Offprint