A versatile, positive-going voltage indicator that enables accessible two-photon recordings in vivo

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bioRxiv preprint doi: https://doi.org/10.64898/2026.04.07.717088; this version posted April 10, 2026. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY 4.0 International license. A versatile, positive-going voltage indicator that enables accessible two-photon recordings in vivo Authors: Alex James McDonald1,*, Michelle Ann Land1,*, Shuyuan Yang2,*, Noura Hakam1,#, Vincent…

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