-
crossref
Joshua M. Williams, Melissa S. Rice
2016-10-20T22:06:14Z
置信度 0.70
-
Introduction Future Mars astrobiology missions require landing sites that balance scientific potential for biosignature detection with engineering safety. This study addresses the need for systematic identification of optimal sites targeting ancient aqueous en…
crossref
Shaoqiu Wang
2026-03-12T06:50:15Z
置信度 0.70
-
crossref
2023-01-18T17:04:18Z
置信度 0.70
-
crossref
C. Heim, C. Beimforde
2021-07-28T02:03:58Z
置信度 0.70
-
With the discovery of the persistent jets of water being ejected to space from Enceladus, an understanding of the effect of the space environment on potential organisms and biosignatures in them is necessary for planning life detection missions. We experimenta…
crossref
Kathryn Bywaters, Carol R. Stoker, Nelio Batista Do Nascimento, Lawrence Lemke
2020-04-16T13:01:39Z
置信度 0.70
-
Assessing biosignature preservation potential (BPP) in ancient habitable environments on Mars is a top NASA priority. We address this goal through the study of Miocene-Pliocene evaporites of the Verde Formation (central Arizona). We assessed the effects of dia…
crossref
Svetlana Shkolyar, Jack D. Farmer
2018-08-20T09:34:01Z
置信度 0.70
-
The 2028 ESA/NASA Rosalind Franklin Rover will search for signs of past and present life in the shallow subsurface of Mars. It is crucial to understand how minerals and any biosignatures uncovered during these sampling activities might be changed and can be id…
crossref
Louisa J Preston, Charles Henry Minns, Ifigeneia Rousouli, Connor J Ballard 等
2025-09-15T19:26:11Z
置信度 0.70
-
crossref
Chenyang Jiang, Weidong Jiang
2022-09-27T17:52:59Z
置信度 0.70
-
Abstract The development of organic biosignature analysis instruments with a high detection sensitivity is critical for exploring our solar system for habitability and for organic chemical biomarkers. In particular, the Microfluidic Organic Analyzer (MOA) has …
europepmc
Matin Golozar, Zachary Estlack, Claire Jenkins, Anna Butterworth 等
2023
置信度 0.80
-
Abstract The first detected member of a new astronomical class is often not representative of the underlying population, but instead reflects the selection effects of the observing technique that found it. We apply this idea to the first remote detection of bi…
crossref
Ravi Kopparapu
2026-07-24T18:05:39Z
置信度 0.70
-
Abstract When Carl Sagan observed the Earth during a Galileo fly-by in 1993, he found a widely distributed surface pigment with a sharp reflection edge in the red part of the spectrum, which, together with the abundance of gaseous oxygen and methane in extreme…
crossref
Jack T. O’Malley-James, Lisa Kaltenegger
2019-07-10T07:13:27Z
置信度 0.70
-
Abstract Next-generation space observatories will conduct the first systematic surveys of terrestrial exoplanet atmospheres and search for evidence of life beyond Earth. While in-depth observations of the nearest habitable worlds may yield enticing results, th…
crossref
Alex Bixel, Dániel Apai
2021-04-24T00:58:48Z
置信度 0.70
-
crossref
Mike Zawaski, Ethan Welty
2022-11-01T13:50:55Z
置信度 0.70
-
crossref
Eva Chalas
2019-05-22T09:50:12Z
置信度 0.70
-
crossref
Isabel King, Frank Sheeran, Manuel Gonzalez Parra, Kris Zacny 等
2025-07-14T17:40:12Z
置信度 0.70
-
As part of its biosignature detection package, the Mars 2020 rover will carry PIXL, the Planetary Instrument for X-ray Lithochemistry, a spatially resolved X-ray fluorescence (μXRF) spectrometer. Understanding the types of biosignatures detectable by μXRF and …
crossref
Michael M. Tice, Kimbra Quezergue, Michael C. Pope
2017-11-14T14:23:29Z
置信度 0.70
-
crossref
Lydia Kivrak, Amy Williams, Arnaud Buch, Yuanyuan He
2020-11-02T21:14:39Z
置信度 0.70
-
Organo-sedimentary structures built by benthic microbial communities, known as microbialites, dominated the fossil record for the first 3 billion years of Earth’s history. Various microbial metabolisms contribute to microbialite lithification, each o…
crossref
Clément G.L. Pollier, Caroline H. Koschik, Brooke E. Vitek, Zhenghui Wu 等
2023-02-26T01:25:31Z
置信度 0.70
-
Here I pursue a deconstructive reading of astrobiology, the emerging science dedicated to a double quest: solving the mystery of life's origin and discovering life beyond Earth. Astrobiology, I argue, is organized as a response to the aporetic formulation assu…
crossref
Armando M. Mastrogiovanni
2023-10-24T08:41:54Z
置信度 0.70
-
We present a corrosion-resistant quadrupole ion trap mass spectrometer (QIT-MS) for the direct detection of biosignature gasses in chemically reactive planetary atmospheres, such as Venusian clouds. The system employs a Paul trap with hyperbolic titanium alloy…
crossref
Dragan Nikolić, Stojan M. Madzunkov
2025-05-04T20:09:14Z
置信度 0.70
-
We have seen the discovery and confirmation of thousands of exoplanets since the first planet found orbiting a Sun-like star (Mayor & Queloz, 1995), and we are now on the verge of entering an exciting new era of planetary exploration: detection and charact…
crossref
Natasha Latouf, Avi Mandell, Michael Himes, Geronimo Villanueva 等
2025-07-09T15:12:38Z
置信度 0.70
-
crossref
Adrienne G. Randolph
2017-08-15T11:16:17Z
置信度 0.70
-
crossref
Victoria A. Petryshyn, Frank A. Corsetti, Steve P. Lund, William M. Berelson
2012-04-11T02:51:20Z
置信度 0.70
-
crossref
Clément Pollier, Caroline Koschik, Brooke Vitek, R. Pamela Reid 等
2022-12-02T15:15:17Z
置信度 0.70
-
Microbe-mineral interactions can produce unique composite materials, which can preserve biosignatures. Geological evidence suggests that iron sulfide (Fe-S) minerals are abundant in the subsurface of Mars. On Earth, the formation of Fe-S minerals is driven by …
crossref
Aude Picard, Amy Gartman, Peter R. Girguis
2021-03-29T19:25:54Z
置信度 0.70
-
Context. The possible detection of phosphine (PH 3 ) in the clouds of Venus has raised the question as to which processes could produce such large abundances of PH 3 . Previous studies suggested that abiotic processes including photochemical production cannot …
crossref
Fabian Wunderlich, John Lee Grenfell, Heike Rauer
2023-06-20T18:55:54Z
置信度 0.70
-
crossref
Johanna Marin-Carbonne, Christophe Thomazo, Marie-Noëlle Decraene, Juliette Dupeyron 等
2023-12-11T11:28:26Z
置信度 0.70
-
crossref
Hilario Blasco-Fontecilla, Pablo Mendez-Bustos, Javier David Lopez-Morinigo
2020-08-25T12:02:47Z
置信度 0.70
-
crossref
P.P. Singh, S. Sinha, M. Goyal
2016-03-28T22:06:13Z
置信度 0.70
-
crossref
Hilal Arnouk, Hyunju Lee, Ruonan Zhang, Hyewon Chung 等
2010-11-12T11:27:03Z
置信度 0.70
-
Considering the harsh surface conditions on Mars, terrestrial organisms that can survive and remain detectable after exposure to similar conditions provide invaluable models for guiding current and future search-for-life missions. To this end, we evaluated the…
crossref
Sebastian V. Gfellner, Janina Groninga, Cyril Colas, Guillaume Gabant 等
2026-07-01T11:05:22Z
置信度 0.70
-
None of the currently used diagnostic tools are efficient enough in diagnosing Mycobacterium tuberculosis (M.tb) infection in children. The study was aimed to identify cytokine biosignatures characterizing active and latent tuberculosis (TB) in children. Using…
crossref
Magdalena Druszczynska, Michal Seweryn, Sebastian Wawrocki, Magdalena Kowalewska-Pietrzak 等
2021-04-24T21:49:20Z
置信度 0.70
-
Goal 7 of the NASA Astrobiology Roadmap states: ‘Determine how to recognize signatures of life on other worlds and on early Earth. Identify biosignatures that can reveal and characterize past or present life in ancient samples from Earth, extraterrestrial samp…
crossref
James N. Gardner
2005-02-25T06:06:58Z
置信度 0.70
-
Considering the harsh surface conditions on Mars, terrestrial organisms that can survive and remain detectable after exposure to similar conditions provide invaluable models for guiding current and future search-for-life missions. To this end, we evaluated the…
crossref
Sebastian V. Gfellner, Janina Groninga, Cyril Colas, Guillaume Gabant 等
2025-12-31T09:43:21Z
置信度 0.70
-
crossref
Victoria Petryshyn, William Berelson, John Spear, Victoria Cassady 等
2022-12-02T20:15:17Z
置信度 0.70
-
Self-propelled motion is an agnostic biosignature that is observed widely, yet motility of microbes in their natural environments is sparsely studied. In this study we use a Digital Holographic Microscope (DHM) for in situ imaging of aquatic samples in extreme…
crossref
Carl Snyder, Jay Nadeau, Christian Lindensmith, James Wallace 等
2022-06-13T16:23:07Z
置信度 0.70
-
crossref
Alexandra Pontefract, Floyd Nichols, Magdalena Osburn, Christopher E. Carr
2021-10-27T21:24:15Z
置信度 0.70
-
crossref
Victoria Cassady, Kalen Rasmussen, Dylan Levene, Aaron Celestian 等
2023-12-11T06:28:26Z
置信度 0.70
-
crossref
Jesse T. Peach, Stephanie M. Wilson, Logan D. Gunderson, Tan Tran 等
2020-01-06T06:30:53Z
置信度 0.70
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crossref
Evan D. Dorn, Kenneth H. Nealson, Christoph Adami
2011-01-20T10:32:54Z
置信度 0.70
-
Abstract Background: The role of adjuvant radiotherapy (RT) following breast-conserving surgery (BCS) for women with ductal carcinoma in situ (DCIS) remains controversial. Although there is Level 1 evidence supporting the use of RT to reduce the risk of local …
crossref
Yvonne Zissiadis, Bruce Mann, David Speakman, Christobel Saunders 等
2024-05-02T06:57:42Z
置信度 0.70
-
Abstract. Methane-related carbonates from Hydrate Ridge typically show several macroscopically distinguishable mineral phases, namely whitish aragonite, lucent aragonite, and gray micrite. The relationship of these phases to particular microorganisms or biogeo…
crossref
T. Leefmann, J. Bauermeister, A. Kronz, V. Liebetrau 等
2010-04-29T08:43:37Z
置信度 0.70
-
crossref
Justin Quiles, Madhusudhanan Narasimhan, Timothy Mosbruger, Gobinath Shanmugam 等
2017-11-20T19:03:46Z
置信度 0.70
-
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 the putative presence o…
crossref
Nikita Jennifer Boeren, Peter Keresztes Schmidt, Coenraad Pieter de Koning, Kristina Anna Kipfer 等
2023-02-26T04:33:27Z
置信度 0.70
-
crossref
Tatiana Barichello, Vijayasree V. Giridharan, Felipe Dal-Pizzol
2019-12-09T20:36:37Z
置信度 0.70
-
<p>In 2022, ESA/ROSCOSMOS will launch the ExoMars2022 rover mission to Mars. The selected landing site for the mission is Oxia Planum, a wide, Noachian-age, phyllosilicate-bearing plain located on the SE border of Chryse Planitia. The Fe,Mg-rich …
crossref
Agata Krzesinska, Benjamin Bultel, Damien Loizeau, David Craw 等
2021-03-03T16:26:16Z
置信度 0.70
-
crossref
Chuck Weisbin, William Lincoln, Dimitri Papanastassiou, Max Coleman
2013-09-11T07:37:04Z
置信度 0.70
-
Abstract Circulating microvesicles (cMV) are cell-derived structures that are abundantly present in the blood. Tumor cells produce large quantities of cMV, and their abundance has been shown to correlate with tumor invasiveness and resistance to therapy. This …
crossref
Andrea Tasinato, Gherici Hassaine, Elodie Ristorcelli, Wang-Juh Chen 等
2014-08-14T22:32:54Z
置信度 0.70
-
Abstract In nature, abiotically formed amino acids are usually racemic. However, this is not true for the α,α-dialkyl amino acid isovaline (Iva), which has an L-enantiomeric excess in some specimens of carbonaceous meteorites. On the early Earth and Mars, such…
crossref
Stefan Fox, Annika Gspandl, Franziska M. Wenng
2020-03-09T07:26:07Z
置信度 0.70
-
europepmc
2026
置信度 0.80
-
europepmc
2024
置信度 0.80
-
europepmc
2024
置信度 0.80
-
europepmc
2024
置信度 0.80
-
crossref
2011-06-29T17:24:41Z
置信度 0.70
-
crossref
2017-05-05T01:11:50Z
置信度 0.70
-
Within the payloads of JUICE and Europa Clipper, there are instruments suitable for the search of specific biosignatures that can diagnose life tracks in two ways. The payloads include mass spectrometers capable of measuring isotopic abundances for identifying…
europepmc
2026
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2026
置信度 0.80
-
Homochirality is one of the signatures of life. Numerous geological and prebiotic chemistry studies have proved that disordered soups containing small organic molecules, gases, liquids, and minerals (such as those containing phosphorous) yielded racemic mixtur…
europepmc
2023
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2023
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2023
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2022
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2025
置信度 0.80
-
Liposomes are lipid-bilayer vesicles that spontaneously self-assemble from fatty acids (or other amphiphiles) in water by encapsulating surrounding aqueous media. After British scientist Alec Bangham described this phenomenon in the early 1960s, they became a …
europepmc
2023
置信度 0.80
-
europepmc
2024
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2023
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2023
置信度 0.80
-
europepmc
2024
置信度 0.80
-
europepmc
2023
置信度 0.80
-
europepmc
2023
置信度 0.80
-
europepmc
2023
置信度 0.80
-
The field of astrobiology aims to understand the origin of life on Earth and searches for evidence of life beyond our planet. Although there is agreement on some of the requirements for life on Earth, the exact process by which life emerged from prebiotic cond…
pubmed
De Mol ML
2023
置信度 0.82
-
europepmc
2026
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
The preservation of organic compounds under extreme environmental conditions remains a critical challenge for both terrestrial ecology applications on Earth and astrobiology. In a novel long-term field experiment over 8 months, we exposed biomolecules and a mo…
europepmc
2025
置信度 0.80
-
Subduction of carbon rich sediments and crust at convergent plate boundaries exerts a crucial control on Earth's mantle chemistry and surface habitability. Recent attention has focused on exposures of fully-carbonated mantle rocks as these may attest to an ove…
europepmc
2026
置信度 0.80
-
europepmc
2024
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2023
置信度 0.80
-
Humanity's search for extraterrestrial life is a modern manifestation of the exploratory and curious nature that has led us through millennia of scientific discoveries. With the ongoing exploration of extraterrestrial bodies, the potential for discovery of ext…
pubmed
McClain CR, Bryant SR, Hanks G, Bowles MW
2022
置信度 0.82
-
Extraterrestrial aquaculture (“space aquaculture”) is increasingly discussed as a distinct interdisciplinary research field at the intersection of aquatic biology, astrobiology, space systems engineering, and related space life and environmental sciences. This…
datacite
MUTAF, Aliye Bedriye, TÜRKER, Ali
2026
置信度 0.66
Astrobiologyextraterrestrial aquaculturecandidate species selectionrecirculating aquaculture systems (RAS)bioregenerative life support system (BLSS)
-
Extraterrestrial aquaculture (“space aquaculture”) is increasingly discussed as a distinct interdisciplinary research field at the intersection of aquatic biology, astrobiology, space systems engineering, and related space life and environmental sciences. This…
datacite
MUTAF, Aliye Bedriye, TÜRKER, Ali
2026
置信度 0.66
Astrobiologyextraterrestrial aquaculturecandidate species selectionrecirculating aquaculture systems (RAS)bioregenerative life support system (BLSS)
-
This paper identifies an observable pattern that distinguishes living systems: Filtering Using Chemistry for Self-Continuation. Classical biology highlights hallmarks such as metabolism, signaling, homeostasis, and reproduction (Alberts et al., 2014). We show …
datacite
Shadi, David
2026
置信度 0.66