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Sandra Koch

PH.D. Graduate Student

Office: 403C Carpenter Building
Phone: (814) 867-0018
Fax: (814) 863-1474

Sandy is interested in studying human hair from evolutionary, morphological and genetic perspectives. With a background in forensic analysis of hair, she plans to combine microscopical analysis with genomics in her doctoral research to study variation within and across human populations, focusing on the influence of ancestry informative markers on scalp hair morphology and ultrastructure.

Sandy is certified by the American Board of Criminalistics in the area of hairs and fibers and contributes expert testimony on human hair for criminal cases in jurisdictions across the USA. She has presented her research at InterMicro in 2016 and 2017 and was recently interviewed about hair for Brains On.

Sandra Koch CV

Selected Publications

Tridico, S. R., Koch, S., Michaud, A., Thomson, G., Kirkbride, K. P., & Bunce, M. (2014). Interpreting biological degradative processes acting on mammalian hair in the living and the dead: Which ones are taphonomic? Proceedings of the Royal Society B: Biological Sciences, 281(1796): 20141755.

Koch, S.L., Michaud, A.L., and Mikell, C.E. (2013). Taphonomy of hair - A study of postmortem root banding. Journal of Forensic Science, 58(S1): S52-S59.

Dove, C.J., and Koch, S.L. (2011). Microscopy of feathers: A practical guide for forensic feather identification. The Microscope, 59(2): 51-71.

Deedrick, D.W., and Koch, S.L. (2004). Microscopy of hair part 1: A practical guide and manual for human hairs. Forensic Science Communications, 6(1).

Deedrick, D.W., and Koch, S.L. (2004). Microscopy of hair part II: Practical guide and manual for animal hairs. Forensic Science Communications, 6(3).