Real-time chlorophyll-a pigment monitoring of Chlamydomonas reinhardtii in a controlled environment using pulsed LED fluorescence LiDAR system

College

College of Science

Department/Unit

Physics

Document Type

Article

Source Title

Photonics

Volume

10

Issue

2

Publication Date

2023

Abstract

The real-time chlorophyll-a pigment monitoring of C. reinhardtii is studied using our developed LED fluorescence light detection and ranging (LiDAR) system. It features a portable set-up that uses a pulsed LED module with an excitation wavelength of 385 nm. We were able to monitor the different growth phases of C. reinhardtii with specific cultivation parameters. The developed fluorescence LiDAR system showed the linear correlation of its chlorophyll-a signal with the optical density and EEM fluorescence measurements at 680 nm emission wavelength. Water quality and weather parameters were also measured, which explains the variation in the growth dynamics of C. reinhardtii during the sampling period. The results from the monitoring demonstrated a different technique that can be used in estimating algal biomass in the environment.

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Disciplines

Physics

Keywords

LED lighting; Optical radar; Chlamydomonas reinhardtii; Chlorophyll

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