Human Skin
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Ultraviolet absorptance [%] (245-420nm) of solid keratin over a distance of 4 μm, with a resolution of 5nm:
download matlab file
Note: the above Matlab file shows our conversion from the units provided by the original source (absorbance) to absorptance.
Original data source:
E. G. Bendit and D. Ross. 1961. A technique for obtaining the ultra-violet
absorption spectrum of solid keratin. Appl. Spectroscopy 15, 4, 103-105
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Ultraviolet absorptance [%] (205-355nm) of 50 μg/mL of DNA over a distance of 1 cm, with a resolution of 5nm:
download matlab file
Note: the above Matlab file shows our conversion from the units provided by the original sources (absorbance) to absorptance.
Original data sources:
B. Clendening. 2002. UV spectrophotometric analysis of DNA and RNA.
Tech. rep., Hofstra University.
J. C. Sutherland and K. P. Griffin. 1981. Absorption spectrum of DNA for
wavelengths greater than 300 nm. Radiation Res. 86, 3, 399-410.
A. R. Young. 1997. Chromophores in human skin. Phys. Med. Biol. 42, 5,
789.
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Ultraviolet absorptance [%] (205-325nm) of 15 μmol/L of urocanic acid over a distance of 1 cm, with a resolution of 5nm:
download matlab file
Note: the above Matlab file shows our conversion from the units provided by the original source (absorbance) to absorptance.
Original data source:
A. R. Young. 1997. Chromophores in human skin. Phys. Med. Biol. 42, 5,
789.
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The extinction coefficient of eumelanin in [cm-1 (mg/ml)-1] (210-820nm), with a resolution of 5nm:
download matlab file
Original data source:
T. Sarna, H.M. Swartz, The physical properties of melanins, in "The
Pigmentary System", ed. J.J. Nordlund et al., Oxford University Press, 1988.
Published by the Oregon Medical Laser Center.
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The extinction coefficient of pheomelanin in [cm-1 (mg/ml)-1] (215-825nm), with a resolution of 5nm:
download matlab file
Original data source:
T. Sarna, H.M. Swartz, The physical properties of melanins, in "The Pigmentary System", ed. J.J. Nordlund et al., Oxford University Press, 1988.
Published by the Oregon Medical Laser Center.
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The molar extinction coefficient of oxy-hemoglobin in [cm-1/(mol/L)] (250-1000nm), with a resolution of 5nm:
download matlab file
Original data sources:
Compiled by Scott Prahl using data from:
- W. B. Gratzer, Med. Res. Council Labs, Holly Hill, London
- N. Kollias, Wellman Laboratories, Harvard Medical School, Boston
Published by the Oregon Medical Laser Center.
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The molar extinction coefficient of deoxy-hemoglobin in [cm-1/(mol/L)] (250-1000nm), with a resolution of 5nm:
download matlab file
Original data sources:
Compiled by Scott Prahl using data from:
- W. B. Gratzer, Med. Res. Council Labs, Holly Hill, London
- N. Kollias, Wellman Laboratories, Harvard Medical School, Boston
Published by the Oregon Medical Laser Center.
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The molar extinction coefficient of carboxyhemoglobin in
[cm-1/(mol/L)] (450 - 650nm) with a
resolution of 5nm:
download matlab file
Original data source:
O. Siggaard-Andersen, B. Norgaard-Pedersen, J. Rem. Hemoglobin
pigments spectrophotometric determination of oxy-, carboxy-, met-,
and sulfhemoglobin in capillary blood. Clinica Chimica Acta, 72(1),
85-100, 1972
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The molar extinction coefficient of methemoglobin in
[cm-1/(mol/L)] (450 - 700nm) with a resolution
of 5nm:
download matlab file
Original data source:
L. Randeberg, J. Bonesronning, M. Dalaker, J. Nelson, L. Svaasand,
Methemoglobin formation during laser induced photothermolysis of
vascular skin lesions. Lasers in Surgery and Medicine 34 (2004), 414-419.
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The molar extinction coefficient of sulfhemoglobin in
[cm-1/(mol/L)] (450 - 750nm) with a resolution of 5nm:
download matlab file
Original data source:
I. H. Yarynovska and A.I. Bilyi. Absorption spectra of sulfhemoglobin
derivatives of human blood. In G.L. Cote and A.V. Priezzhev, editors,
Optical Diagnostics and Sensing VI - SPIE, 6094:1-6, 2006.
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The molar extinction coefficient of beta-carotene in [cm-1/(mol/L)] (220-700nm), with a resolution of 5nm:
download matlab file
Original data source:
H. Du, R. A. Fuh, J. Li, A. Corkan, J. S. Lindsey, "PhotochemCAD: A computer-aided design and research tool in photochemistry," Photochemistry and Photobiology, 68, 141-142, 1998.
Published by the Oregon Medical Laser Center.
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The molar extinction coefficient of bilirubin in [cm-1/(mol/L)] (240-700nm), with a resolution of 5nm:
download matlab file
Original data source:
H. Du, R. A. Fuh, J. Li, A. Corkan, J. S. Lindsey, "PhotochemCAD: A computer-aided design and research tool in photochemistry," Photochemistry and Photobiology, 68, 141-142, 1998.
Published by the Oregon Medical Laser Center.
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The absorption coefficient of water in [cm-1] (380-2500nm), with a resolution of 5nm:
download matlab file
Original data sources:
380-725 nm
R.M. Pope and E.S. Fry, "Absorption spectrum (380-700nm) of pure water. II. Integrating cavity measurements," Applied Optics, V. 36, N. 33, pp. 8710-8723, November, 1997.
730-2500 nm
K.F. Palmer and D. Williams, "Optical Properties of water in the near infrared," Journal of the Optical Society of America, V.64, pp. 1107-1110, August, 1974.
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The absorption coefficient of lipid in [cm-1] (429-2445nm), with a resolution of 5nm:
download matlab file
Original data sources:
429-1098 nm
R.L.P. van Veen and H.J.C.M. Sterenborg, A. Pifferi, A. Torricelli and R. Cubeddu, "Determination of VIS- NIR absorption coefficients of mammalian fat, with time and spatially resolved diffuse reflectance and transmission spectroscopy," OSA Annual BIOMED Topical Meeting, 2004.
Acquired by the Oregon Medical Laser Center.
1110.2-2449.5 nm
G.B. Altshuler, R.R. Anderson and D. Manstein, "Method and apparatus for the selective targeting of lipid-rich tissue," United States Patent, Patent No. 6,605,080 B1, August 12, 2003.
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