
Proceedings Paper
Multimodal imaging of vascular grafts using time-resolved fluorescence and ultrasoundFormat | Member Price | Non-Member Price |
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Paper Abstract
The translation of engineered tissues into clinic requires robust monitoring of tissue development, both in vitro and in
vivo. Traditional methods are destructive, time- and cost- inefficient, and do not allow time-lapse measurements from
the same sample or animal. This study reports on the ability of time-resolved fluorescence and ultrasound
measurements for non-destructive characterization of explanted tissue engineered vascular grafts. Results show that
TRFS and FLIm are able to assess alterations in luminal composition namely elastin, collagen and cellular content via
changes in fluorescence lifetime values between normal and grafted tissue. These observations are complemented by
structural changes observed in UBM pertaining to graft integration and neo-intimal and neo-medial thickening. These
results encourage the future application of a catheter-based technique that combines these imaging modalities for nondestructive
characterization of vascular grafts in vivo.
Paper Details
Date Published: 26 February 2015
PDF: 7 pages
Proc. SPIE 9303, Photonic Therapeutics and Diagnostics XI, 930335 (26 February 2015); doi: 10.1117/12.2078278
Published in SPIE Proceedings Vol. 9303:
Photonic Therapeutics and Diagnostics XI
Hyun Wook Kang; Brian J. F. Wong M.D.; Melissa C. Skala; Bernard Choi; Guillermo J. Tearney M.D.; Andreas Mandelis; Nikiforos Kollias; Kenton W. Gregory M.D.; Mark W. Dewhirst D.V.M.; Justus F. Ilgner M.D.; Alfred Nuttal; Haishan Zeng; Laura Marcu; Claus-Peter Richter, Editor(s)
PDF: 7 pages
Proc. SPIE 9303, Photonic Therapeutics and Diagnostics XI, 930335 (26 February 2015); doi: 10.1117/12.2078278
Show Author Affiliations
Hussain Fatakdawala, Univ. of California, Davis (United States)
Leigh G. Griffiths, Univ. of California, Davis (United States)
Maelene L. Wong, Univ. of California, Davis (United States)
Leigh G. Griffiths, Univ. of California, Davis (United States)
Maelene L. Wong, Univ. of California, Davis (United States)
Matheau Julien, Univ. of California, Davis (United States)
Laura Marcu, Univ. of California, Davis (United States)
Laura Marcu, Univ. of California, Davis (United States)
Published in SPIE Proceedings Vol. 9303:
Photonic Therapeutics and Diagnostics XI
Hyun Wook Kang; Brian J. F. Wong M.D.; Melissa C. Skala; Bernard Choi; Guillermo J. Tearney M.D.; Andreas Mandelis; Nikiforos Kollias; Kenton W. Gregory M.D.; Mark W. Dewhirst D.V.M.; Justus F. Ilgner M.D.; Alfred Nuttal; Haishan Zeng; Laura Marcu; Claus-Peter Richter, Editor(s)
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