Lab-in-a-Smartphone: Spectroscopic-Based Sensing Utilizing Linear Variable Filters for Point-of-Care Applications

Su, Patrick

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https://hdl.handle.net/2142/97839 Copy

Description

Title

Lab-in-a-Smartphone: Spectroscopic-Based Sensing Utilizing Linear Variable Filters for Point-of-Care Applications

Author(s)

Su, Patrick

Contributor(s)

Dallesasse, John M.

Issue Date

2016-12

Keyword(s)

• Biophotonic sensor
• spectroscopy
• linear variable filter
• fluorescence
• absorption
• point-of-care applications

Abstract

A compact analysis platform for detecting liquid phase absorption and emission spectra using a set of optical linear variable filters atop a CMOS image sensor is presented. This combination has achieved detection of fluorescence down to 0.28 nM for quantum dot emitters and 32 ng/mL for a near-infrared dye. Compared to commercially available spectrometers, the benchtop demonstration shows comparable or even better performance with potentially better portability and reduction in cost for point-of-care applications. Based on the benchtop demonstration, a design suitably sized for use with a smartphone platform is conceptualized and fabricated.

Type of Resource

text

Language

en

Permalink

http://hdl.handle.net/2142/97839

Sponsor(s)/Grant Number(s)

National Science Foundation 1447893; U of I SRI program; Mayo-illinois Alliance

Owning Collections