Erin Lalime
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44
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About
Dr. Erin Lalime is a leading figure in planetary protection, specializing in the critical intersection of astrobiology and biosafety. Her research focuses on backward planetary protection—the protocols necessary to prevent extraterrestrial organisms, if they exist, from contaminating Earth. She is best known for her pivotal work on the Sterilization Working Group, which produced the highly cited 2021 paper "Biological safety in the context of backward planetary protection and Mars Sample Return" (44 citations). This study established foundational guidelines for safely returning samples from Mars, addressing sterilization methods and risk assessment frameworks. Dr. Lalime’s contributions have directly shaped NASA and ESA’s policies for the upcoming Mars Sample Return campaign, ensuring that scientific discovery does not compromise Earth’s biosphere. Her expertise also extends to forward planetary protection, safeguarding other worlds from terrestrial contamination. With a career dedicated to balancing exploration with ethical responsibility, Dr. Lalime’s work is essential reading for students and researchers in astrobiology, space policy, and biosafety engineering.
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