October 14, 2009

"Chemical imaging of human hair fibers with Coherent Raman microscopy"

Professor Eric Potma
UC Irvine


The ability to selectively detect molecular agents in hair fibers is of direct relevance to the understanding of the chemical and physical mechanisms that underlie the performance of hair care products. In this work, we use coherent Raman scattering (CRS) microscopy to determine the distribution and concentration of selected compounds in the intact human hair. By generating images based on ratiometric CRS contrast, quantitative concentration maps both water, externally applied d-glycine and d-panthenol are produced in the cortex of human hair fibers. In addition to hair care research, we will highlight several other biomedical applications of the CRS technique.


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