Light emitting diodes (LEDs) in fluorescence-based analytical applications: a review

Darshan Chikkanayakanahalli Mukunda, Vijay Kumar Joshi, Krishna Kishore Mahato

Research output: Contribution to journalReview articlepeer-review

Abstract

In recent times, fluorescence-based analytical devices are getting more equipped with LEDs than conventional light sources because of their availability in a broad range of wavelengths and appropriate power outputs. Further, LEDs are compact and affordable compared to commonly used light sources. LEDs have played a key role in miniaturizing the fluorescence detection devices and bringing the instrument to the experiment, rather than vice versa. The current review summarizes the key factors in developing a sensitive, affordable, and portable LED-Induced Fluorescence (LED-IF) detection-based analytical devices and their applications in various fields. The first part of the review discuss the fundamental aspects of fluorescence as well as LEDs in general. Whereas the second part highlights the technical considerations and the applications of sensitive LED-IF detection-based analytical devices.

Original languageEnglish
JournalApplied Spectroscopy Reviews
DOIs
Publication statusAccepted/In press - 2020

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Spectroscopy

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