Imaging voltage-dependent cell motions with heterodyne Mach-Zehnder phase microscopy

Christopher Fang-Yen, Seungeun Oh, Yongkeun Park, Wonshik Choi, Sen Song, H. Sebastian Seung, Ramachandra R. Dasari, Michael S. Feld

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

We describe a heterodyne Mach-Zehnder interferometric microscope capable of quantitative phase imaging of biological samples with subnanometer sensitivity and frame rates up to 10 kHz. We use the microscope to image cultured neurons and measure nanometer-scale voltage-dependent motions in cells expressing the membrane motor protein prestin.

Original languageEnglish
Pages (from-to)1572-1574
Number of pages3
JournalOptics Letters
Volume32
Issue number11
DOIs
Publication statusPublished - 2007 Jun 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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    Fang-Yen, C., Oh, S., Park, Y., Choi, W., Song, S., Sebastian Seung, H., Dasari, R. R., & Feld, M. S. (2007). Imaging voltage-dependent cell motions with heterodyne Mach-Zehnder phase microscopy. Optics Letters, 32(11), 1572-1574. https://doi.org/10.1364/OL.32.001572