Journal
ANALYST
Volume 141, Issue 11, Pages 3233-3238Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5an02508g
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Funding
- Science AMP
- Engineering Research Council (SERC) of Agency for Science, Technology and Research (A*STAR) [102 152 0014]
- MOE-Tier 1 [2014-T1-001-133-01]
- provost office
- iFood initiative
- TCT fellowship program at NTU
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We report on a smartphone spectrometer for colorimetric bio-sensing applications. The spectrometer relies on a sample cell with an integrated grating substrate, and the smartphone's built-in light-emitting diode flash and camera. The feasibility of the smartphone spectrometer is demonstrated for detection of glucose and human cardiac troponin I, the latter in conjunction with peptide-functionalized gold nanoparticles.
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