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As a postdoctoral researcher, Cristina Azevedo went through single-use plastic tubes by the hundreds. The University College London biochemist was culturing yeast in Falcon tubes, and the thought of all that plastic waste was like an itch she couldn’t scratch — especially when she recalled her PhD research, in which she grew bacteria in reusable glass flasks. “My own work was bothering me, and all around I could see the amount of plastic just being thrown out because of the need for sterility,” she says.
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