Planetary Mass Spectrometry for Agnostic Life Detection in the Solar System
Frontiers in Astronomy and Space Sciences, 2021 For the past fifty years of space exploration, mass spectrometry has provided unique chemical and physical insights on the characteristics of other planetary bodies in the Solar System.
Luoth Chou +16 more
doaj +2 more sources
Dark microbiome and extremely low organics in Atacama fossil delta unveil Mars life detection limits. [PDF]
Nat Commun, 2023 Identifying unequivocal signs of life on Mars is one of the most important objectives for sending missions to the red planet. Here we report Red Stone, a 163-100 My alluvial fan–fan delta that formed under arid conditions in the Atacama Desert, rich in ...
Azua-Bustos A +38 more
europepmc +2 more sources
Biosignature stability in space enables their use for life detection on Mars. [PDF]
Sci Adv, 2022 Two rover missions to Mars aim to detect biomolecules as a sign of extinct or extant life with, among other instruments, Raman spectrometers. However, there are many unknowns about the stability of Raman-detectable biomolecules in the martian environment,
Baqué M +36 more
europepmc +2 more sources
Life detection in a universe of false positives [PDF]
Bioessays, 2022 Astrobiology aims to determine the distribution and diversity of life in the universe. But as the word “biosignature” suggests, what will be detected is not life itself, but an observation implicating living systems.
Harrison B. Smith, Cole Mathis
semanticscholar +1 more source
Confidence of Life Detection: The Problem of Unconceived Alternatives
Astrobiology, 2023 Potential biosignatures that offer the promise of extraterrestrial life (past or present) are to be expected in the coming years and decades, whether from within our own solar system, from an exoplanet atmosphere, or otherwise.
P. Vickers +6 more
semanticscholar +1 more source
A Deep Learning-Based Lightweight Model for the Detection of Marine Fishes
Journal of Marine Science and Engineering, 2023 The species and population size of marine fish are important for maintaining the ecological environment and reflecting climate change. Traditional fish detection methods mainly rely on manual or traditional computer vision, which has disadvantages such ...
Fei Wu +5 more
doaj +1 more source
False Negatives for Remote Life Detection on Ocean-Bearing Planets: Lessons from the Early Earth. [PDF]
Astrobiology, 2017 Ocean-atmosphere chemistry on Earth has undergone dramatic evolutionary changes throughout its long history, with potentially significant ramifications for the emergence and long-term stability of atmospheric biosignatures.
Reinhard CT +3 more
europepmc +3 more sources
Novel ventricular tachyarrhythmia detection enhancement detects undertreated life-threatening arrhythmias [PDF]
Heart Rhythm O2, 2022 Ventricular tachyarrhythmias (VTA) with low and varying signal amplitudes and morphologies may not be successfully identified utilizing traditional implantable cardioverter-defibrillator algorithms.Develop and validate a novel algorithm (VF Therapy Assurance, VFTA) to improve detection and timely delivery of high-voltage therapy (HVT) for these ...
Wilkoff, Bruce L. +8 more
openaire +2 more sources
Translational Oncology, 2023 Objective: CKAP4 (Cytoskeleton Associated Protein 4) has been reported as an important regulator of carcinogenesis. A great deal of uncertainty still surrounds the possible molecular mechanism of CKAP4 involvement in GBM.
Kaiyue Xu +11 more
doaj +1 more source
Nucleic Acid Extraction and Sequencing from Low-Biomass Synthetic Mars Analog Soils for In Situ Life Detection. [PDF]
Astrobiology, 2019 Recent studies regarding the origins of life and Mars-Earth meteorite transfer simulations suggest that biological informational polymers, such as nucleic acids (DNA and RNA), have the potential to provide unambiguous evidence of life on Mars.
Mojarro A +7 more
europepmc +2 more sources