Photoacoustic micropipette

Christopher Miranda, Swathy Sampath Kumar, Jitendran Muthuswamy, Barbara Smith

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Glass micropipette electrodes are commonly used to target neurons, either in vivo or in vitro. They acquire electrophysiological recordings for the purpose of developing a further understanding of the behavior of neurons at the single cell and network levels. The success rate of acquiring adequate recordings during these procedures, however, is largely limited. Here, we demonstrate how a photoacoustic micropipette (PMP) electrode is capable of providing real-time photoacoustic feedback, useful in navigation towards intended targets. The PMP is fabricated from standard pulled borosilicate glass micropipettes, coated with aluminum. Light introduced into the wall of the micropipette, parallel to the axis, travels along the entire length of the device before exiting the tip, where it can induce the photoacoustic effect.

Original languageEnglish (US)
Article number264103
JournalApplied Physics Letters
Volume113
Issue number26
DOIs
StatePublished - Dec 24 2018

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neurons
recording
glass electrodes
borosilicate glass
navigation
travel
aluminum
electrodes
cells

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Photoacoustic micropipette. / Miranda, Christopher; Sampath Kumar, Swathy; Muthuswamy, Jitendran; Smith, Barbara.

In: Applied Physics Letters, Vol. 113, No. 26, 264103, 24.12.2018.

Research output: Contribution to journalArticle

Miranda, Christopher ; Sampath Kumar, Swathy ; Muthuswamy, Jitendran ; Smith, Barbara. / Photoacoustic micropipette. In: Applied Physics Letters. 2018 ; Vol. 113, No. 26.
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