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Wavelength effects on contrast observed with reflectance in vivo confocal laser scanning microscopy
Journal article   Peer reviewed

Wavelength effects on contrast observed with reflectance in vivo confocal laser scanning microscopy

Michael A. Luedtke, Elisabeth Papazoglou, Michael Neidrauer and Nikiforos Kollias
Skin research and technology, v 15(4), pp 482-488
01 Nov 2009
DOI: https://doi.org/10.1111/j.1600-0846.2009.00394.x
PMID: 19832962
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

Dermatology Life Sciences & Biomedicine Science & Technology
Background/purpose The ability to optically section live biological tissue in vivo with laser light is made possible by confocal laser scanning microscopy (CLSM). In this work, the effects of changing the wavelength of incident light used for CLSM imaging of human skin are reported and analyzed. Methods Optical phantoms and the skin of eight human volunteers were imaged using CLSM systems having three different incident light wavelengths (405, 785, and 830 nm). Results Qualitative and quantitative differences were observed between images obtained at each wavelength, despite the proximity of the two near infrared 785 and 830 nm wavelengths. Furthermore, the penetration depth achieved with the 405 nm CLSM permitted imaging into the papillary dermis. Conclusion The laser wavelength used in CLSM reflectance imaging is important to properly understand and resolve different biological structures within human skin.

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8 citations in Web of Science
8 citations in Scopus

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#3 Good Health and Well-Being

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Industry collaboration
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Web of Science research areas
Dermatology
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