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Smartphone Fundus Photography
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Smartphone-based optical analysis systems.

Sarah Di Nonno1, Roland Ulber1

  • 1TU Kaiserslautern, Chair of Bioprocess Engineering, Kaiserslautern, Germany. ulber@mv.uni-kl.de.

The Analyst
|May 5, 2021
PubMed
Summary

Smartphone optical analysis systems leverage integrated sensors for cost-effective, on-the-go measurements. This review covers colorimeters, spectrometers, and fluorimeters, highlighting their diverse applications.

Area of Science:

  • Analytical Chemistry
  • Optical Sensing
  • Mobile Technology

Background:

  • Growing adoption of smartphone-based analysis systems due to ubiquity, computing power, and low cost.
  • Integrated sensors, such as CMOS sensors, enable optical analysis functions like colorimetry, photometry, and spectrometry.
  • Smartphones offer simultaneous data acquisition and processing capabilities.

Purpose of the Study:

  • To review the current state-of-the-art in smartphone-based optical analysis systems.
  • To explore diverse application areas of these emerging technologies.
  • To categorize and discuss different classes of smartphone-based optical devices.

Main Methods:

  • Literature review of existing smartphone-based optical analysis systems.
  • Categorization of systems into colorimeters, photo- and spectrometers, and fluorimeters.

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  • Analysis of technological advancements and application scope for each category.

    • Main Results:

    • Detailed exploration of smartphone-based colorimeters for various analytical tasks.
    • Review of smartphone-based photometers and spectrometers, detailing their capabilities.
    • Examination of smartphone-based fluorimeters and their potential in optical analysis.

    Conclusions:

    • Smartphone-based optical analysis systems represent a significant advancement in portable analytical instrumentation.
    • These systems offer versatile and accessible solutions across multiple scientific disciplines.
    • The continued development of integrated sensors and mobile technology promises further expansion of their applications.