Amino acid racemization dating

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I have been interested in both science and history since childhood, and though I ended up specializing in science, I remained fascinated by the past. During the final year of my integrated chemistry degree at Oxford University, I was offered a one-off opportunity to work in an archaeology research lab, studying nitrogen isotopes to learn about the diet of Paleolithic humans. Within weeks, I knew it was exactly the type of research I wanted to do; being able to use chemistry to understand our past was a dream come true. I went on to a PhD project that focused on amino acid racemization also known as amino acid dating in fossilized shells at Newcastle University.

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Amino acid dating is a dating technique [1] [2] [3] [4] [5] used to estimate the age of a specimen in paleobiologymolecular paleontologyarchaeologyforensic sciencetaphonomysedimentary geology and other fields. This technique relates changes in amino acid molecules to the time elapsed since they were formed. All biological tissues contain amino acids.

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