3.9 Article

Portable device for dual detection of fluorescence and absorbance for biosensing or chemical sensing applications

期刊

HARDWAREX
卷 11, 期 -, 页码 -

出版社

ELSEVIER
DOI: 10.1016/j.ohx.2022.e00268

关键词

Portable fluorometer; Portable spectrophotometer; Biosensor; Chemical sensor; On-site detection

资金

  1. Thailand Center of Excellence in Physics (ThEP), Prince of Songkla University
  2. Faculty of Science, Prince of Songkla University [ThEP-61-PHM-PSU2]
  3. Thailand's Education Hub for ASEAN Countries (TEH-AC) scholarship
  4. Graduate School Research Support Funding for Thesis 2015, Prince of Songkla University
  5. Center of Excellence for Trace Analysis and Biosensor, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, Thailand
  6. Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla, Thailand
  7. Royal Golden Jubilee Ph.D. Programme [PHD/0078/2560]

向作者/读者索取更多资源

This work presents a portable device for measuring fluorescence and light absorption, using inexpensive and customizable light source and detectors. The results show good correlation with commercial instruments, making it beneficial for early or on-site detection.
Early detection is key to prevent health problems and could be performed by biosensors and chemical sensors. However, a lot of them still need bulky benchtop equipment. This work presents a portable device for measuring fluorescence and light absorption that can be used with optical biosensors or chemical sensors. It uses a small laser diode as a light source and three filter-mounted photodiodes as detectors, all of which are inexpensive, customizable and widely available commercially. The results from our device show good correlation with that from commercial instruments. Therefore, it could be beneficial for early or on-site detection.(c) 2022 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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