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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 30 — Oct. 20, 2012
  • pp: 7176–7182

Fat emulsions as diffusive reference standards for tissue simulating phantoms?

Paola Di Ninni, Yves Bérubé-Lauzière, Luca Mercatelli, Elisa Sani, and Fabrizio Martelli  »View Author Affiliations


Applied Optics, Vol. 51, Issue 30, pp. 7176-7182 (2012)
http://dx.doi.org/10.1364/AO.51.007176


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Abstract

Intralipid 20% was recently suggested as a diffusive reference standard for tissue simulating phantoms. In this work, we extend previously obtained results to other fat emulsions, specifically Intralipid 10%, Intralipid 30%, Lipovenoes 10%, Lipovenoes 10% PhosphoLipid Reduced, Lipovenoes 20%, Lipofundin S 10%, and Lipofundin S 20%. Of particular importance for practical applications, our measurements carried out at a wavelength of 751 nm show the following features. First, these products show high stability and small batch-to-batch variations in their diffusive optical properties, similar to Intralipid 20%. Second, the absorption coefficient of Intralipid, Lipovenoes, and Lipofundin S are very similar and their measured values are within the experimental errors; moreover the reduced scattering coefficient of Intralipid 20%, Lipovenoes 20%, and Lipofundin S 20% are similar and their measured values are within 5%. Third, the reduced scattering coefficient of Intralipid 10% and Intralipid 30% can be scaled from that of Intralipid 20% with an error of 9% and 2%, respectively. A similar scaling property is valid for Lipovenoes and Lipofundin S. We have verified that this scaling property depends on the composition of the fat emulsions: If the ingredients exactly scale with the concentration then the reduced scattering coefficient almost exactly scale as well.

© 2012 Optical Society of America

OCIS Codes
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(170.6510) Medical optics and biotechnology : Spectroscopy, tissue diagnostics
(170.7050) Medical optics and biotechnology : Turbid media
(160.1435) Materials : Biomaterials

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: May 30, 2012
Revised Manuscript: August 10, 2012
Manuscript Accepted: September 12, 2012
Published: October 11, 2012

Citation
Paola Di Ninni, Yves Bérubé-Lauzière, Luca Mercatelli, Elisa Sani, and Fabrizio Martelli, "Fat emulsions as diffusive reference standards for tissue simulating phantoms?," Appl. Opt. 51, 7176-7182 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-30-7176

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