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Nanobomb-Assisted Layer-Specific Optical Coherence Elastography

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Liquid to gas phase transition of dye-loaded PFC nanodroplets (nanobombs, NBs) can be facilitated by the optical absorption of energy of laser pulse. Activation of NBs with laser pulse can produce highly localized longitudinal shear waves (LSW). The advent of LSW elastography has enhanced the ability to measure depth-dependent tissue elasticity. Highly localized NB-induced LSWs propagate through the tissue depth and can discriminate the tissue elasticity gradients along the depth. In this study, we explore the capability of the NB-induced LSWs in discriminating the elasticity properties of multilayered tissue-mimicking phantoms. The NB present in the middle layer of the test phantoms produced LSWs upon the pulse laser excitation, which can provide elasticity information in the sample depth where the NBs are located and the elasticity of layers of the sample on top and bottom of the NB layer.

Original languageEnglish (US)
Title of host publicationOptical Elastography and Tissue Biomechanics XI
EditorsKirill V. Larin, Giuliano Scarcelli
PublisherSPIE
ISBN (Electronic)9781510669475
DOIs
StatePublished - 2024
EventOptical Elastography and Tissue Biomechanics XI 2024 - San Francisco, United States
Duration: Jan 27 2024 → Jan 28 2024

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume12844
ISSN (Print)1605-7422

Conference

ConferenceOptical Elastography and Tissue Biomechanics XI 2024
Country/TerritoryUnited States
CitySan Francisco
Period1/27/24 → 1/28/24

Keywords

  • elastography
  • multilayered phantom
  • Nanobomb
  • OCE

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Biomaterials
  • Radiology Nuclear Medicine and imaging

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