Raman spectroscopy as a tool for assessing plant growth in space and on lunar regolith simulants.

IF 4.4 1区 物理与天体物理 Q1 MULTIDISCIPLINARY SCIENCES
Axell Rodriguez, Borja Barbero Barcenilla, Emily Hall, Ishan Kundel, Alexander Meyers, Sarah Wyatt, Dorothy Shippen, Dmitry Kurouski
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Abstract

Colonization of the Moon and other planets is an aspiration of NASA and may yield important benefits for our civilization. The feasibility of such endeavors depends on both innovative engineering concepts and the successful adaptation of life forms that exist on Earth to inhospitable environments. In this study, we investigate the potential of Raman spectroscopy (RS) in a non-invasive and non-destructive assessment of changes in the biochemistry of plants exposed to zero gravity on the International Space Station and during growth on lunar regolith simulants on Earth. We report that RS can sense changes in plant carotenoids, pectin, cellulose, and phenolics, which in turn, could be used to gauge the degree of plant stress in new environments. Our findings also demonstrate that RS can monitor the efficiency of soil supplements that can be used to mitigate nutrient-free regolith media. We conclude that RS can serve as a highly efficient approach for monitoring plant health in exotic environments.

拉曼光谱作为评估空间和月球风化模拟物上植物生长的工具。
月球和其他行星的殖民化是美国宇航局的一个愿望,可能会给我们的文明带来重要的好处。这种努力的可行性既取决于创新的工程概念,也取决于地球上存在的生命形式对恶劣环境的成功适应。在这项研究中,我们研究了拉曼光谱(RS)在非侵入性和非破坏性评估中对暴露在国际空间站零重力和地球上月球风化模拟物生长过程中植物生物化学变化的潜力。我们报道RS可以感知植物类胡萝卜素、果胶、纤维素和酚类物质的变化,这些变化反过来可以用来衡量植物在新环境中的胁迫程度。我们的研究结果还表明,RS可以监测土壤补充物的效率,这些土壤补充物可用于减轻无营养的风化层介质。因此,RS可以作为一种高效的外来环境植物健康监测方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
npj Microgravity
npj Microgravity Physics and Astronomy-Physics and Astronomy (miscellaneous)
CiteScore
7.30
自引率
7.80%
发文量
50
审稿时长
9 weeks
期刊介绍: A new open access, online-only, multidisciplinary research journal, npj Microgravity is dedicated to publishing the most important scientific advances in the life sciences, physical sciences, and engineering fields that are facilitated by spaceflight and analogue platforms.
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