Methodologies for analyzing soluble organic compounds in extraterrestrial samples: Amino acids, amines, monocarboxylic acids, aldehydes, and ketones

DN Simkus, JC Aponte, JE Elsila, ET Parker, DP Glavin… - Life, 2019 - mdpi.com
Soluble organic compositions of extraterrestrial samples offer valuable insights into the
prebiotic organic chemistry of the solar system. This review provides a summary of the …

Organic matter in the Asteroid Ryugu: what we know so far

C Potiszil, M Yamanaka, C Sakaguchi, T Ota… - Life, 2023 - mdpi.com
Simple Summary Organic matter is an integral part of all living things on our planet, but
abiotic (not relating to life) organic matter can be found throughout the Solar System within …

Analysis of amino acids, hydroxy acids, and amines in CR chondrites

JC Aponte, JE Elsila, JE Hein… - … & Planetary Science, 2020 - Wiley Online Library
The abundances, relative distributions, and enantiomeric and isotopic compositions of
amines, amino acids, and hydroxy acids in Miller Range (MIL) 090001 and MIL 090657 …

Analyses of aliphatic aldehydes and ketones in carbonaceous chondrites

JC Aponte, D Whitaker, MW Powner… - ACS Earth and Space …, 2019 - ACS Publications
Aliphatic aldehydes and ketones are essential building blocks for the synthesis of more
complex organic compounds. Despite their potentially key role as precursors of …

Hydrothermal decomposition of amino acids and origins of prebiotic meteoritic organic compounds

F Pietrucci, JC Aponte, R Starr… - ACS Earth and Space …, 2018 - ACS Publications
The organic compounds found in carbonaceous chondrite meteorites provide insight into
primordial solar system chemistry. Evaluating the formation and decomposition mechanisms …

Geoelectrochemistry-driven alteration of amino acids to derivative organics in carbonaceous chondrite parent bodies

Y Li, N Kitadai, Y Sekine, H Kurokawa… - Nature …, 2022 - nature.com
A long-standing question regarding carbonaceous chondrites (CCs) is how the CCs'
organics were sourced and converted before and after the accretion of their parent bodies …

Infrared spectral intensities of amine ices, precursors to amino acids

RL Hudson, YY Yarnall, PA Gerakines - Astrobiology, 2022 - liebertpub.com
Here, we address the paucity of infrared (IR) spectral data needed to quantify low-
temperature experiments with amine ices, such as the formation of amino acids, by reporting …

Molecular distribution, 13C‐isotope, and enantiomeric compositions of carbonaceous chondrite monocarboxylic acids

JC Aponte, HK Woodward, NM Abreu… - … & planetary science, 2019 - Wiley Online Library
The water‐soluble organic compounds in carbonaceous chondrite meteorites constitute a
record of the synthetic reactions occurring at the birth of the solar system and those taking …

Simplified Meteorite Parent Body Alteration of Amino Acids by Hydrothermal Processes

CK Materese, JC Aponte, HL McLain, KK Farnsworth… - Astrobiology, 2024 - liebertpub.com
Amino acids have been identified in extraterrestrial materials such as meteorites and
returned samples from asteroids and comets. Some of these amino acids or their precursors …

Experimental and Theoretical Constraints on Amino Acid Formation from PAHs in Asteroidal Settings

CC Giese, IL Ten Kate… - ACS Earth and Space …, 2022 - ACS Publications
Amino acids and polycyclic aromatic hydrocarbons (PAHs) belong to the range of organic
compounds detected in meteorites. In this study, we tested empirically and theoretically if …