A review of in-vivo optical properties of human tissues and its impact on PDT
J Sandell,Timothy C. Zhu +1 more
TLDR
The overall trend of the absorption spectra as a function of wavelength within a 95% confidence interval for various tissues in vivo is examined and the impact of optical properties on light fluence rate is discussed for various light application geometries including superficial, interstitial, and within a cavity.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.read more
Citations
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Optical properties of biological tissues: a review.
TL;DR: A review of reported tissue optical properties summarizes the wavelength-dependent behavior of scattering and absorption in cells and tissues.
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Reactive oxygen species generating systems meeting challenges of photodynamic cancer therapy
TL;DR: The current status and possible opportunities for ROS generation for cancer therapy are summarized and it is hoped this review will spur pre-clinical research and clinical practice for ROS-mediated tumour treatments.
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Oncologic photodynamic therapy: Basic principles, current clinical status and future directions
Demian van Straten,Vida Mashayekhi,Henriëtte S. de Bruijn,Sabrina Oliveira,Dominic J. Robinson +4 more
TL;DR: An overview of the clinical trials conducted over the last 10 years is provided, illustrating how PDT is applied in the clinic today, and the factors that hamper the exploration of this effective therapy and what should be changed to render it a more effective and more widely available option for patients.
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Recent Advances of Optical Imaging in the Second Near-Infrared Window
Kenry,Yukun Duan,Bin Liu +2 more
TL;DR: The importance of biological imaging in the NIR‐II spectral region is highlighted, the emergence and latest development of various Nir‐II fluorescence and PA imaging probes and their applications are discussed, and Perspectives on the promises and challenges facing this nascent yet exciting field are given.
References
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Book
Absorption and Scattering of Light by Small Particles
TL;DR: In this paper, a Potpourri of Particles is used to describe surface modes in small Particles and the Angular Dependence of Scattering is shown to be a function of the size of the particles.
Book
Photodynamic Therapy
TL;DR: A comprehensive review of mechanisms of subcellular and tumor localization of photosensitizing agents, as well as of molecular, cellular, and tumor responses associated with photodynamic therapy, are discussed.
MCML-Monte Carlo modeling of light transport in multi-layered tissues
TL;DR: A Monte Carlo model of steady-state light transport in multi-layered tissues (MCML) has been coded in ANSI Standard C; therefore, the program can be used on various computers and has been in the public domain since 1992.
Journal ArticleDOI
A review of the optical properties of biological tissues
TL;DR: The known optical properties (absorption, scattering, total attenuation, effective attenuation and/or anisotropy coefficients) of various biological tissues at a variety of wavelengths are reviewed in this article.
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