Cited by 221Optical Imaging and Spectroscopy TechniquesSpectroscopy Techniques in Biomedical and Chemical ResearchOptical Coherence Tomography Applications

Chromophore concentrations, absorption and scattering properties of human skin in-vivo

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Tseng, Sheng-Hao, Bargo, Paulo, Durkin, Anthony, Kollias, Nikiforos·2009·Optics Express

Abstract

Absorption and reduced scattering coefficients of in-vivo human skin provide critical information on non-invasive skin diagnoses for aesthetic and clinical purposes. To date, very few in-vivo skin optical properties have been reported. Previously, we reported absorption and scattering properties of in-vivo skin in the wavelength range from 650 to 1000 nm using the diffusing probe in the "modified two-layer geometry". In this study, we determine the spectra of skin optical properties continuously in the range from 500 to 1000 nm. It was found that the concentration of chromophores, such as oxy-hemoglobin, deoxy-hemoglobin, and melanin, calculated based on the absorption spectra of eighteen subjects at wavelengths above and below 600 nm were distinct because of the inherent difference in the interrogation region. The scattering power, which is related to the average scatterer's size, demonstrates a clear contrast between skin phototypes, skin sites, and wavelengths. We also applied venous occlusion on forearms and found that the concentrations of oxy- and deoxy-hemoglobin as assessed at wavelengths above and below 600 nm were different. Our results suggest that diffuse reflectance techniques with the visible and near infrared light sources can be employed to investigate the hemodynamics and optical properties of upper dermis and lower dermis.

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Authors
Tseng, S.-H., Bargo, P., Durkin, A., & Kollias, N.
Affiliations
  • National Cheng Kung University (TW)
  • Johnson & Johnson (United States) (US)
  • University of California, Irvine (US)
Corresponding author
Tseng, Sheng-Hao
Venue
Optics Express
Published
2009-08-04
Volume
17
Issue
17
Pages
14599
ISSN
1094-4087 (ISSN-L)
OpenAlex
W2012728588
Cited by
217
References
30
Citations by year
2026: 7 · 2025: 21 · 2024: 18 · 2023: 16 · 2022: 12 · 2021: 18 · 2020: 11 · 2019: 12 · 2018: 8 · 2017: 10 · 2016: 12 · 2015: 13 · 2014: 13 · 2013: 9 · 2012: 15
FWCI
9.27
Type
journal article
Language
en
Open access
Locations
  • Optics Express (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
Funders
National Center for Research Resources (P41 RR01192, P41RR001192)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Optical Imaging and Spectroscopy Techniques
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Spectroscopy Techniques in Biomedical and Chemical Research
  • Physical Sciences › Engineering › Biomedical Engineering › Optical Coherence Tomography Applications
Keywords
chromophore concentration, absorption coefficient, reduced scattering coefficient, oxyhemoglobin, deoxyhemoglobin, melanin, diffuse reflectance spectroscopy, Fitzpatrick skin type, venous occlusion
MeSH terms
Adult, Algorithms, Diffusion, Equipment Design, Hemoglobins, Humans, Melanins, Middle Aged, Oxyhemoglobins, Scattering, Radiation, Skin, Spectrophotometry, Infrared, Photons, Optics and Photonics

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