10.1371/journal.pone.0222951.g003 Jian Gu Jian Gu Alan Norquist Alan Norquist Carla Brooks Carla Brooks Mikhail Repin Mikhail Repin Sanjay Mukherjee Sanjay Mukherjee Jerome Lacombe Jerome Lacombe Jianing Yang Jianing Yang David J. Brenner David J. Brenner Sally Amundson Sally Amundson Frederic Zenhausern Frederic Zenhausern Threshold vacuum theoretical prediction and experimental result. Public Library of Science 2019 fingerstick blood collector radiation countermeasures gas permeation theory container vacuum bag sealing reagent sample preprocessing capabilities sample collection bottleneck fingerstick blood self-collection device vacuum tube system Parylene barrier coating fingerstick collection experience self-collecting blood samples cytogenetic biodosimetry assays vacuum shelf life 2019-10-16 17:26:31 Figure https://plos.figshare.com/articles/figure/Threshold_vacuum_theoretical_prediction_and_experimental_result_/9990026 <p>Blue dots: experimental results of sample transfer percentage vs. VacuStor tube relative vacuum; red dashed line: relative threshold vacuum prediction by Eq (<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0222951#pone.0222951.e002" target="_blank">2</a>).</p>