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Article

Analyzing Developing Brain-On-Chip Cultures with the CALIMA Calcium Imaging Tool

1
Electromagnetics Group, Department of Electrical Engineering, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
2
Neuro-Nanoscale Engineering Group, Department of Mechanical Engineering and Institute of Complex Molecular Systems (ICMS), Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
*
Author to whom correspondence should be addressed.
Academic Editor: Colin Dalton
Micromachines 2021, 12(4), 412; https://doi.org/10.3390/mi12040412
Received: 10 March 2021 / Revised: 30 March 2021 / Accepted: 3 April 2021 / Published: 8 April 2021
(This article belongs to the Special Issue Microfluidic Brain-on-a-Chip)
Brain-on-chip (BoC) models are tools for reproducing the native microenvironment of neurons, in order to study the (patho)physiology and drug-response of the brain. Recent developments in BoC techniques focus on steering neurons in their activity via microfabrication and via computer-steered feedback mechanisms. These cultures are often studied through calcium imaging (CI), a method for visualizing the cellular activity through infusing cells with a fluorescent dye. CAlciumImagingAnalyser 2.0 (CALIMA 2.0) is an updated version of a software tool that detects and analyzes fluorescent signals and correlates cellular activity to identify possible network formation in BoC cultures. Using three previous published data sets, it was demonstrated that CALIMA 2.0 can analyze large data sets of CI-data and interpret cell activity to help study the activity and maturity of BoC cultures. Last, an analysis of the processing speed shows that CALIMA 2.0 is sufficiently fast to process data sets with an acquisition rate up to 5 Hz in real-time on a medium-performance computer. View Full-Text
Keywords: brain-on-chip culture; calcium fluorescence imaging; software tool; neuronal network brain-on-chip culture; calcium fluorescence imaging; software tool; neuronal network
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MDPI and ACS Style

Raaijmakers, E.A.L.; Wanders, N.; Mestrom, R.M.C.; Luttge, R. Analyzing Developing Brain-On-Chip Cultures with the CALIMA Calcium Imaging Tool. Micromachines 2021, 12, 412. https://doi.org/10.3390/mi12040412

AMA Style

Raaijmakers EAL, Wanders N, Mestrom RMC, Luttge R. Analyzing Developing Brain-On-Chip Cultures with the CALIMA Calcium Imaging Tool. Micromachines. 2021; 12(4):412. https://doi.org/10.3390/mi12040412

Chicago/Turabian Style

Raaijmakers, Elles A.L., Nikki Wanders, Rob M.C. Mestrom, and Regina Luttge. 2021. "Analyzing Developing Brain-On-Chip Cultures with the CALIMA Calcium Imaging Tool" Micromachines 12, no. 4: 412. https://doi.org/10.3390/mi12040412

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