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A flexible and versatile system for multi-color fiber photometry and optogenetic manipulation.


ABSTRACT: Here, we present simultaneous fiber photometry recordings and optogenetic stimulation based on a multimode fused fiber coupler for both light delivery and collection without the need for dichroic beam splitters. In combination with a multi-color light source and appropriate optical filters, our approach offers remarkable flexibility in experimental design and facilitates the exploration of new molecular tools in vivo at minimal cost. We demonstrate straightforward re-configuration of the setup to operate with green, red, and near-infrared calcium indicators with or without simultaneous optogenetic stimulation and further explore the multi-color photometry capabilities of the system. The ease of assembly, operation, characterization, and customization of this platform holds the potential to foster the development of experimental strategies for multi-color fused fiber photometry combined with optogenetics far beyond its current state.

SUBMITTER: Formozov A 

PROVIDER: S-EPMC10088095 | biostudies-literature | 2023 Mar

REPOSITORIES: biostudies-literature

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A flexible and versatile system for multi-color fiber photometry and optogenetic manipulation.

Formozov Andrey A   Dieter Alexander A   Wiegert J Simon JS  

Cell reports methods 20230307 3


Here, we present simultaneous fiber photometry recordings and optogenetic stimulation based on a multimode fused fiber coupler for both light delivery and collection without the need for dichroic beam splitters. In combination with a multi-color light source and appropriate optical filters, our approach offers remarkable flexibility in experimental design and facilitates the exploration of new molecular tools <i>in vivo</i> at minimal cost. We demonstrate straightforward re-configuration of the  ...[more]

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