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Light reflection spectra as a tool for direct and real-time determination of biomass and pigments in the microalgae Microchloropsis salina

Vinh, Trinh Quang ; Trung, Tran Nam ; Balasus, Jens ; Sharma, Sulabha ; Hegemann, Tim ; Greulich, Simon ; Khanh, Tran Quoc ; Kaldenhoff, Ralf (2023)
Light reflection spectra as a tool for direct and real-time determination of biomass and pigments in the microalgae Microchloropsis salina.
In: Lighting Research & Technology, 2021, 53 (2)
doi: 10.26083/tuprints-00019643
Article, Secondary publication, Publisher's Version

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Abstract

To meet the increasing demand for mass-produced microalgae, production processes must be optimised and monitored. The herein described optical sensors provide an instantaneous and direct opportunity to monitor biological and biochemical information for microalgae cultivation. Combination of expertise in natural science and engineering, as well as the application of novel data acquisition and analysis methods, are required to develop an appropriate system for industrial purpose. Prior to this, the correlation between biological and physical parameters must be determined. In this work, we combined colour science with the experimentally determined dataset from the cultivation of Microchloropsis salina. Our results indicate a resilient correlation between algal biomass and its specific pigment concentration with the determined reflection spectrum. Data evaluation allowed us to establish identification models for contactless quantification of the respective biological parameter in large-scale automated bioreactors.

Item Type: Article
Erschienen: 2023
Creators: Vinh, Trinh Quang ; Trung, Tran Nam ; Balasus, Jens ; Sharma, Sulabha ; Hegemann, Tim ; Greulich, Simon ; Khanh, Tran Quoc ; Kaldenhoff, Ralf
Type of entry: Secondary publication
Title: Light reflection spectra as a tool for direct and real-time determination of biomass and pigments in the microalgae Microchloropsis salina
Language: English
Date: 28 November 2023
Place of Publication: Darmstadt
Year of primary publication: April 2021
Place of primary publication: London
Publisher: SAGE Publications
Journal or Publication Title: Lighting Research & Technology
Volume of the journal: 53
Issue Number: 2
DOI: 10.26083/tuprints-00019643
URL / URN: https://tuprints.ulb.tu-darmstadt.de/19643
Corresponding Links:
Origin: Secondary publication DeepGreen
Abstract:

To meet the increasing demand for mass-produced microalgae, production processes must be optimised and monitored. The herein described optical sensors provide an instantaneous and direct opportunity to monitor biological and biochemical information for microalgae cultivation. Combination of expertise in natural science and engineering, as well as the application of novel data acquisition and analysis methods, are required to develop an appropriate system for industrial purpose. Prior to this, the correlation between biological and physical parameters must be determined. In this work, we combined colour science with the experimentally determined dataset from the cultivation of Microchloropsis salina. Our results indicate a resilient correlation between algal biomass and its specific pigment concentration with the determined reflection spectrum. Data evaluation allowed us to establish identification models for contactless quantification of the respective biological parameter in large-scale automated bioreactors.

Status: Publisher's Version
URN: urn:nbn:de:tuda-tuprints-196437
Classification DDC: 500 Science and mathematics > 570 Life sciences, biology
600 Technology, medicine, applied sciences > 621.3 Electrical engineering, electronics
Divisions: 10 Department of Biology
10 Department of Biology > Applied Plant Sciences
18 Department of Electrical Engineering and Information Technology
18 Department of Electrical Engineering and Information Technology > Adaptive Lighting Systems and Visual Processing
Date Deposited: 28 Nov 2023 10:37
Last Modified: 29 Nov 2023 06:19
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