Cited by 385Optical Imaging and Spectroscopy TechniquesPhotodynamic Therapy Research StudiesSpectroscopy Techniques in Biomedical and Chemical Research

A review of in‐vivo optical properties of human tissues and its impact on PDT

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Sandell, Julia L., Zhu, Timothy C.·2011·Journal of Biophotonics

Abstract

A thorough understanding of optical properties of biological tissues is critical to effective treatment planning for therapies such as photodynamic therapy (PDT). In the last two decades, new technologies, such as broadband diffuse spectroscopy, have been developed to obtain in vivo data in humans that was not possible before. We found that the in vivo optical properties generally vary in the ranges μ a = 0.03–1.6 cm –1 and μ s ′ = 1.2–40 cm –1 , although the actual range is tissue‐type dependent. We have also examined the overall trend of the absorption spectra (for μ a and μ s ′ ) as a function of wavelength within a 95% confidence interval for various tissues in vivo . The impact of optical properties on light fluence rate is also discussed for various light application geometries including superficial, interstitial, and within a cavity. (© 2011 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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Authors
Sandell, J. L., & Zhu, T. C.
Affiliations
University of Pennsylvania (US)
Corresponding author
Zhu, Timothy C.
Venue
Journal of Biophotonics
Publisher
Wiley
Published
2011-10-07
Volume
4
Issue
11-12
Pages
773-787
ISSN
  • 1864-063X (ISSN-L)
  • 1864-0648
OpenAlex
W2049486757
Cited by
384
References
134
Citations by year
2026: 22 · 2025: 44 · 2024: 35 · 2023: 26 · 2022: 27 · 2021: 32 · 2020: 42 · 2019: 29 · 2018: 18 · 2017: 24 · 2016: 27 · 2015: 23 · 2014: 14 · 2013: 15 · 2012: 6
FWCI
1.79
Type
journal article
Language
en
Open access
Locations
  • Journal of Biophotonics (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Brown University
  • National Institutes of Health
  • National Cancer Institute (P01 CA‐87971, R01CA109456, P01CA087971)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Optical Imaging and Spectroscopy Techniques
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Photodynamic Therapy Research Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Spectroscopy Techniques in Biomedical and Chemical Research
Keywords
human tissue, photodynamic therapy, absorption coefficient, reduced scattering coefficient, absorption spectra, light fluence rate
MeSH terms
Algorithms, Humans, Photochemotherapy, Spectrum Analysis, Optical Phenomena

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