Andreas Riedo
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View article: Laser-based Mass Spectrometry for the Identification of Potential Biomarkers and Habitability Indicators on Polygon Structures
Laser-based Mass Spectrometry for the Identification of Potential Biomarkers and Habitability Indicators on Polygon Structures Open
Polygonal structures, some of which are formed in salt deposits, have been documented at numerous locations on the surface of Mars, clearly visible from orbit with high-resolution imaging systems and spectral techniques. Based on a terrest…
View article: Optimizing photon capture: advancements in amorphous silicon-based microchannel plates
Optimizing photon capture: advancements in amorphous silicon-based microchannel plates Open
Microchannel plates are electron multipliers widely used in applications such as particle detection, imaging, or mass spectrometry and are often paired with a photocathode to enable photon detection. Conventional microchannel plates, made …
View article: Life Detection Beyond Earth: Laser-Based Mass Spectrometry for Organics Detection on Solar System Objects
Life Detection Beyond Earth: Laser-Based Mass Spectrometry for Organics Detection on Solar System Objects Open
The detection and identification of the building blocks of life, from amino acids to more complex molecules such as certain lipids, is a crucial but highly challenging task for current and future space exploration missions in our Solar Sys…
View article: The search for ancient life on Mars using morphological and mass spectrometric analysis: an analog study in detecting microfossils in Messinian gypsum
The search for ancient life on Mars using morphological and mass spectrometric analysis: an analog study in detecting microfossils in Messinian gypsum Open
Hydrated sulfate deposits have been detected on Mars. A spaceflight instrument capable of detecting microfossils in these salt deposits is highly important for the search for ancient life on Mars. This study employed a range of analytical …
View article: ORIGIN: Laser Desorption Ionization Mass Spectrometry of Nucleobases for In Situ Space Exploration
ORIGIN: Laser Desorption Ionization Mass Spectrometry of Nucleobases for In Situ Space Exploration Open
The ORganics Information Gathering INstrument (ORIGIN) is a space-prototype laser desorption ionization mass spectrometer designed to analyze molecular biosignatures. Nucleobases, fundamental components of nucleic acids, have been found in…
View article: Additive manufacturing in space research: hybrid mass analyser for laser ablation ionisation mass spectrometry
Additive manufacturing in space research: hybrid mass analyser for laser ablation ionisation mass spectrometry Open
Additive manufacturing of ion optical components for rapid prototyping in mass spectrometry. 3D printed reflectron shows similar performance to conventionally manufactured system.
View article: Autonomous Detection of Mineral Phases in a Rock Sample Using a Space-prototype LIMS Instrument and Unsupervised Machine Learning
Autonomous Detection of Mineral Phases in a Rock Sample Using a Space-prototype LIMS Instrument and Unsupervised Machine Learning Open
In situ mineralogical and chemical analyses of rock samples using a space-prototype laser ablation ionization mass spectrometer along with unsupervised machine learning are powerful tools for the study of surface samples on planetary bodie…
View article: Optimizing Photon Capture: Advancements in AMCP Technology for Enhanced Timing and Photon Detection Efficiency
Optimizing Photon Capture: Advancements in AMCP Technology for Enhanced Timing and Photon Detection Efficiency Open
Hydrogenated amorphous silicon based microchannel plates (AMCPs) provide unique advantages over conventional glass-based microchannel plates, offering enhanced flexibility in manufacturing and vertical integration with an electronic readou…
View article: Identifying Biomarkers and Habitability Indicators on Polygonal Structures using Laser Mass Spectrometry
Identifying Biomarkers and Habitability Indicators on Polygonal Structures using Laser Mass Spectrometry Open
The search for signatures of life beyond Earth has been a primary motivator in the field of space science. The question of the ideal exploration site for the search of such signatures for life remains unanswered, despite an increase in spa…
View article: Towards biosignature detection on Icy Moons with ORIGIN
Towards biosignature detection on Icy Moons with ORIGIN Open
In the search for life beyond Earth, the icy moons Europa and Enceladus have been brought forward as the most promising targets within our Solar System. Recently, the Enceladus Orbilander mission has gained significant interest as it has b…
View article: Morphological and mass spectrometric analysis of gypsum-permineralized microfossils and its implications for the search for life on Mars
Morphological and mass spectrometric analysis of gypsum-permineralized microfossils and its implications for the search for life on Mars Open
Space exploration missions devoted to the detection of life have visited various celestial bodies in our Solar System, particularly Mars (1). Observations and analyses conducted by orbiters, landers and rovers provided insight into the cha…
View article: Complex ice chemistry: A comparative study of electron irradiated ices and the formation of volatile irradiation products
Complex ice chemistry: A comparative study of electron irradiated ices and the formation of volatile irradiation products Open
Ices are ubiquitous in the Solar System: They are found on the surfaces of planets and moons, on Kuiper belt objects, and are important constituents of cometary nuclei. The pristine ices consist mainly of simple molecules, such as H2O, N2,…
View article: Enhancing Space Mission Return through On-Board Data Reduction using Unsupervised Machine Learning
Enhancing Space Mission Return through On-Board Data Reduction using Unsupervised Machine Learning Open
The efficient use of the provided downlink capacity for scientific data is a fundamental aspect of space exploration. The use thereof can be optimised through sophisticated data reduction techniques and automation of processes on board tha…
View article: In-situ sample handling and chemical analysis of lunar regolith by laser ablation ionisation mass spectrometry
In-situ sample handling and chemical analysis of lunar regolith by laser ablation ionisation mass spectrometry Open
With NASA's emphasis on lunar exploration through the Artemis program, novel scientific objectives have been formulated to enhance our understanding of the Solar System's historical context, particularly the evolution of the Earth-Moon sys…
View article: Complex Ice Chemistry: A comparative study of electron irradiated planetary ice analogues containing methane
Complex Ice Chemistry: A comparative study of electron irradiated planetary ice analogues containing methane Open
Various Solar System objects are covered in layers of ice that are dominated by H2O, CH4, and N2 and in which complex chemical processes take place. In this work, the influence of composition and irradiation duration on the volatile irradi…
View article: Quantitative laser–matter interaction: a 3D study of UV-fs-laser ablation on single crystalline Ru(0001)
Quantitative laser–matter interaction: a 3D study of UV-fs-laser ablation on single crystalline Ru(0001) Open
Laser ablation is nowadays an extensively applied technology to probe the chemical composition of solid materials. It allows for precise targeting of micrometer objects on and in samples, and enables chemical depth profiling with nanometer…
View article: Analytical performance assessment of LMS-GT, a newly-developed laboratory-scale Laser Ablation Ionization Mass Spectrometry instrument, in the context of geo- and planetary sciences
Analytical performance assessment of LMS-GT, a newly-developed laboratory-scale Laser Ablation Ionization Mass Spectrometry instrument, in the context of geo- and planetary sciences Open
Direct analysis of micrometer-scale features embedded in solid samples of a wide chemical variety is an integral part of many fields in geo-, geobio-, and planetary sciences. Examples range from microscopic mineral inclusions in meteoritic…
View article: Molecular Biosignature Detection on Ocean Worlds using a Prototype Laser-Desorption Ionisation Mass Spectrometer
Molecular Biosignature Detection on Ocean Worlds using a Prototype Laser-Desorption Ionisation Mass Spectrometer Open
Recently, it has become evident that icy moons in our solar system might constitute excellent targets for the search for life beyond Earth. Both Europa and Enceladus are of high interest for the detection of biosignatures, mainly due to th…
View article: Composition Analysis of an Apatite Crystal using a Space-Prototype Mass Spectrometric Instrument and Machine Learning for Unsupervised Mineralogical Phase Detection
Composition Analysis of an Apatite Crystal using a Space-Prototype Mass Spectrometric Instrument and Machine Learning for Unsupervised Mineralogical Phase Detection Open
We present the analysis of a 2.06 Ga apatite crystal obtained from an ultramafic phoscorite rock from the Phalaborwa Complex (Limpopo Province, South Africa) [1]. A space-prototype laser ablation ionisation mass spectrometer (LIMS) [2,3] w…
View article: Instrumentation for laser ablation ionisation mass spectrometry on the lunar surface
Instrumentation for laser ablation ionisation mass spectrometry on the lunar surface Open
With NASA’s increased focus on exploration of our Moon within the Artemis program, new scientific goals have been formulated to expand our knowledge on the history of our Solar System, including the evolution of the Earth-Moon system…
View article: Chemical identification of fossil filament entrapped in Messinian gypsum using space Laser Mass Spectrometry, application for Mars astrobiology.
Chemical identification of fossil filament entrapped in Messinian gypsum using space Laser Mass Spectrometry, application for Mars astrobiology. Open
The search for evidence of extant and extinct life on Mars is of big interest for future robotic and human exploration missions. The properties and characteristics of evaporites such as gypsum make them an easily accessible target in the s…
View article: Reduction of surface charging effects in laser ablation ionisation mass spectrometry through gold coating
Reduction of surface charging effects in laser ablation ionisation mass spectrometry through gold coating Open
In this study, two methods are investigated to reduce the adverse effects on spectral quality that can occur when investigating non-conductive samples with a miniature laser ablation ionisation mass spectrometer.
View article: An Experimental Approach to Inform Venus Astrobiology Mission Design and Science Objectives
An Experimental Approach to Inform Venus Astrobiology Mission Design and Science Objectives Open
Exploring how life is distributed in the universe is an extraordinary interdisciplinary challenge, but increasingly subject to testable hypotheses. Biology has emerged and flourished on at least one planet, and that renders the search for …
View article: Detecting Lipids on Planetary Surfaces with Laser Desorption Ionization Mass Spectrometry
Detecting Lipids on Planetary Surfaces with Laser Desorption Ionization Mass Spectrometry Open
In the search for extraterrestrial life, biosignatures (e.g., organic molecules) play an important role, of which lipids are one considerable class. If detected, these molecules can be strong indicators of the presence of life, past or pre…
View article: Towards In-Situ Geochemical Analysis of Planetary Rocks and Soils by Laser Ablation/Ionisation Time-of-Flight Mass Spectrometry
Towards In-Situ Geochemical Analysis of Planetary Rocks and Soils by Laser Ablation/Ionisation Time-of-Flight Mass Spectrometry Open
Spectroscopic instruments were a part of payloads on orbiter and lander missions and delivered vast data sets to explore minerals, elements and molecules on air-less rocky planets, asteroids and comets on global and local scales. To answer…
View article: The ORIGIN Space Instrument for Detecting Biosignatures and Habitability Indicators on a Venus Life Finder Mission
The ORIGIN Space Instrument for Detecting Biosignatures and Habitability Indicators on a Venus Life Finder Mission Open
Recent and past observations of chemical and physical peculiarities in the atmosphere of Venus have renewed speculations about the existence of life in its clouds. To find signs of Venusian life, a dedicated astrobiological space explorati…
View article: Correlation Network Analysis for Amino Acid Identification in Soil Samples With the ORIGIN Space-Prototype Instrument
Correlation Network Analysis for Amino Acid Identification in Soil Samples With the ORIGIN Space-Prototype Instrument Open
The detection of biomolecules on Solar System bodies can help us to understand how life emerged on Earth and how life may be distributed in our Solar System. However, the detection of chemical signatures of life on planets or their moons i…
View article: Automated, 3‐D and Sub‐Micron Accurate Ablation‐Volume Determination by Inverse Molding and X‐Ray Computed Tomography
Automated, 3‐D and Sub‐Micron Accurate Ablation‐Volume Determination by Inverse Molding and X‐Ray Computed Tomography Open
Ablation of materials in combination with element‐specific analysis of the matter released is a widely used method to accurately determine a material's chemical composition. Among other methods, repetitive ablation using femto‐second pulse…
View article: High Mass Resolution fs-LIMS Imaging and Manifold Learning Reveal Insight Into Chemical Diversity of the 1.88 Ga Gunflint Chert
High Mass Resolution fs-LIMS Imaging and Manifold Learning Reveal Insight Into Chemical Diversity of the 1.88 Ga Gunflint Chert Open
Extraction of useful information from unstructured, large and complex mass spectrometric signals is a challenge in many application fields of mass spectrometry. Therefore, new data analysis approaches are required to help uncover the compl…
View article: Microbial Metabolism of Amino Acids—Biologically Induced Removal of Glycine and the Resulting Fingerprint as a Potential Biosignature
Microbial Metabolism of Amino Acids—Biologically Induced Removal of Glycine and the Resulting Fingerprint as a Potential Biosignature Open
The identification of reliable biomarkers, such as amino acids, is key for the search of extraterrestrial life. A large number of microorganisms metabolize, synthesize, take up and excrete amino acids as part of the amino acid metabolism d…