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一种用于在国际空间站上研究软物质的先进光散射装置。

An advanced light scattering apparatus for investigating soft matter onboard the International Space Station.

作者信息

Martinelli Alessandro, Buzzaccaro Stefano, Galand Quentin, Behra Juliette, Segers Niel, Leussink Erik, Dhillon Yadvender Singh, Maes Dominique, Lutsko James, Piazza Roberto, Cipelletti Luca

机构信息

L2C, Université Montpellier, P. Bataillon, Montpellier, 34095, France.

Department of Chemistry, Materials Science, and Chemical Engineering (CMIC), Politecnico di Milano, Piazza Leonardo da Vinci 32, Milano, 20133, Italy.

出版信息

NPJ Microgravity. 2024 Dec 19;10(1):115. doi: 10.1038/s41526-024-00455-8.

DOI:10.1038/s41526-024-00455-8
PMID:39702437
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11659601/
Abstract

Colloidal solids (COLIS) is a state-of-the-art light scattering setup developed for experiments onboard the International Space Station (ISS). COLIS allows for probing the structure and dynamics of soft matter systems on a wide range of length scales, from a few nm to tens of microns, and on time scales from 100 ns to tens of hours. In addition to conventional static and dynamic light scattering, COLIS includes depolarized dynamic light scattering, a small-angle camera, photon correlation imaging, and optical manipulation of thermosensitive samples through an auxiliary near-infrared laser beam, thereby providing a unique platform for probing soft matter systems. We demonstrate COLIS through ground tests on standard Brownian suspensions, and on protein, colloidal glasses, and gel systems similar to those to be used in future ISS experiments.

摘要

胶体固体（COLIS）是一种为国际空间站（ISS）上的实验开发的先进光散射装置。COLIS能够在从几纳米到几十微米的广泛长度尺度以及从100纳秒到几十小时的时间尺度上探测软物质系统的结构和动力学。除了传统的静态和动态光散射外，COLIS还包括去偏振动态光散射、小角度相机、光子相关成像以及通过辅助近红外激光束对热敏样品进行光学操纵，从而为探测软物质系统提供了一个独特的平台。我们通过对标准布朗悬浮液以及与未来国际空间站实验中使用的蛋白质、胶体玻璃和凝胶系统类似的样品进行地面测试来展示COLIS。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15e8/11659601/599b2d508b7d/41526_2024_455_Fig10_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15e8/11659601/24fb7766e9ba/41526_2024_455_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15e8/11659601/f907768fcb7d/41526_2024_455_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15e8/11659601/b4de44a4fd95/41526_2024_455_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/15e8/11659601/599b2d508b7d/41526_2024_455_Fig10_HTML.jpg

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本文引用的文献

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Active matter in space.太空中的活性物质。
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Soft matter dynamics: A versatile microgravity platform to study dynamics in soft matter.软物质动力学：一个用于研究软物质动力学的多功能微重力平台。
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