Laser-based mass spectrometry for the detection of signatures of life within our Solar System
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866913048951783424 |
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| author | Riedo, Andreas Gruchola, Salome Boeren, Nikita J. Schmidt, Peter Keresztes Knecht, Luca N. Sellam, Youcef Tulej, Marek Wurz, Peter |
| author_facet | Riedo, Andreas Gruchola, Salome Boeren, Nikita J. Schmidt, Peter Keresztes Knecht, Luca N. Sellam, Youcef Tulej, Marek Wurz, Peter |
| contents | The search for signatures of life beyond Earth has been a major goal of space research and astrobiology for decades. The combination of expanded knowledge on Solar System bodies from past missions and advancements in in-situ detection technologies may place humanity on the verge of discovering extraterrestrial life. Here, we highlight the current measurement capabilities of Laser Ionisation Mass Spectrometry for the detection of several classes of signatures of life of high relevance to current astrobiology-focused missions. This includes the detection of microstructures within complex geological hosts by chemical depth profiling, sulphur isotope fractionation signatures, and the detection of various classes of organic molecules. The recorded mass spectrometric data can be fed into network and machine learning analysis routines, which are powerful tools for the unbiased detection of signatures of life, including agnostic detection of biosignatures. We demonstrate that Laser Ionisation Mass Spectrometry is a novel and promising technology for future application. on space exploration missions devoted to life detection. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2604_18749 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Laser-based mass spectrometry for the detection of signatures of life within our Solar System Riedo, Andreas Gruchola, Salome Boeren, Nikita J. Schmidt, Peter Keresztes Knecht, Luca N. Sellam, Youcef Tulej, Marek Wurz, Peter Earth and Planetary Astrophysics Instrumentation and Methods for Astrophysics The search for signatures of life beyond Earth has been a major goal of space research and astrobiology for decades. The combination of expanded knowledge on Solar System bodies from past missions and advancements in in-situ detection technologies may place humanity on the verge of discovering extraterrestrial life. Here, we highlight the current measurement capabilities of Laser Ionisation Mass Spectrometry for the detection of several classes of signatures of life of high relevance to current astrobiology-focused missions. This includes the detection of microstructures within complex geological hosts by chemical depth profiling, sulphur isotope fractionation signatures, and the detection of various classes of organic molecules. The recorded mass spectrometric data can be fed into network and machine learning analysis routines, which are powerful tools for the unbiased detection of signatures of life, including agnostic detection of biosignatures. We demonstrate that Laser Ionisation Mass Spectrometry is a novel and promising technology for future application. on space exploration missions devoted to life detection. |
| title | Laser-based mass spectrometry for the detection of signatures of life within our Solar System |
| topic | Earth and Planetary Astrophysics Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2604.18749 |