Basic principles of optical biosensing using a smartphone

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Scopus citations


In the previous chapter, we learned the definition of biosensor and two most popularly used transducers for biosensors: optical and electrochemical. In this chapter, we will learn about the biosensors with optical transducers, or simply optical biosensors, and how such optical biosensing can be demonstrated using a smartphone.

Original languageEnglish (US)
Title of host publicationSmartphone Based Medical Diagnostics
Number of pages18
ISBN (Electronic)9780128170441
StatePublished - Jan 1 2019


  • Absorbance
  • Colorimetry
  • Digital camera
  • Fluorescence
  • Photodiode
  • Photometry
  • Scattering
  • Spectrometry
  • White LED flash

ASJC Scopus subject areas

  • General Engineering


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