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. 2015 Sep 3;1:15010. doi: 10.1038/npjmgrav.2015.10

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Second generation VDA. The image on the left contains 20 vapor diffusion experiment chambers (three of these trays were contained in one space shuttle incubator for a total of 60 vapor diffusion experiments. The image on the right shows a triple barrel syringe used for each experiment chamber.