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Introduction
Brian Thomas is an Honorary Research Associate at the University of Liverpool. Brian uses Spectroscopy and Second Harmonic Generation Imaging to investigate ancient bone collagen.
Publications
Publications (4)
Introduction: Despite an extensive published literature, skepticism over the claim of original biochemicals including proteins preserved in the fossil record persists and the issue remains controversial. Workers using many different techniques including mass spectrometry, X-ray, electron microscopy and optical spectroscopic techniques, have attempt...
Second-harmonic generation imaging (SHG) captures triple helical collagen molecules near tissue surfaces. Biomedical research routinely utilizes various imaging software packages to quantify SHG signals for collagen content and distribution estimates in modern tissue samples including bone. For the first time using SHG, samples of modern, medieval,...
REFERENCES 2. METHODS 3. RESULTS I 5. RESULTS III 6. CONCLUSIONS Purpose: Demonstrating the accuracy of an on-site QMS radiocarbon detection system will require comparison to a baseline of industry standard results. Methods: Stable carbon isotope ratios from three fractions of ancient bones were collected using AMS. They were compared to published...