Deformation measurements of neuronal excitability using incoherent holography lattice light-sheet microscope (Ihlls)

Mariana Potcoava, Jonathan Art, Simon Alford, Christopher Mann

Research output: Contribution to journalArticlepeer-review

Abstract

Stimuli to excitable cells and various cellular processes can cause cell surface defor-mations; for example, when excitable cell membrane potentials are altered during action potentials. However, these cellular changes may be at or below the diffraction limit (in dendrites the structures measured are as small as 1 µm), and imaging by traditional methods is challenging. Using dual lenses incoherent holography lattice light-sheet (IHLLS-2L) detection with holographic phase imaging of selective fluorescent markers, we can extract the full-field cellular morphology or structural changes of the object’s phase in response to external stimulus. This approach will open many new possibilities in imaging neuronal activity and, overall, in light sheet imaging. In this paper, we pre-sent IHLLS-2L as a well-suited technique for quantifying cell membrane deformation in neurons without the actuation of a sample stage or detection microscope objective.

Original languageEnglish (US)
Article number383
JournalPhotonics
Volume8
Issue number9
DOIs
StatePublished - Sep 2021

Keywords

  • Digital holography
  • Fluorescence microscopy
  • Lattice light sheet microscopy
  • Phase modulation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Radiology Nuclear Medicine and imaging

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