Glycine-the simplest amino acid-has remained undetected in the interstellar medium despite decades of sensitive searches, motivating alternative approaches to constrain its astrochemical origin.
Formamide
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Imaging & Spectroscopy, Origin & Evolution of Life, Status Report
First Detection of the Glycine Isomer Glycolamide in Hot Molecular Core
Understanding whether prebiotic molecules can endure and reform through the energetic stages of star formation is essential for tracing the continuity of interstellar chemistry toward life. Glycolamide, an isomer of […]
Posted inAstrochemistry, Astronomy & Telescopes, Icy Worlds, Imaging & Spectroscopy, Interstellar, Status Report
Hydroxylamine in Astrophysical Ices: IR Spectra and Cosmic Ray-Induced Radiolytic Chemistry
Gas-phase hydroxylamine (NH2OH) has recently been detected within dense clouds in the interstellar medium. However, it is also likely present within interstellar ices, as well as on the icy surfaces […]
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Imaging & Spectroscopy, Status Report
Unveiling Gas Phase H2NCO Radical: Laboratory Rotational Spectroscopy and Interstellar Search Toward IRAS 16293-2422
Context. The carbamoyl radical (H2NCO) is believed to play a central role in the ice-grain chemistry of crucial interstellar complex organic molecules as formamide and acetamide. Yet, little is known […]
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Status Report
Observation Of Complex Organic Molecules Containing Peptide-like Bonds Towards Hot Core G358.93−0.03 MM1
In the star formation regions, the complex organic molecules that contain peptide bonds (−NH−C(=O)−) play a major role in the metabolic process because −NH−C(=O)− is connected to amino acids (R-CHNH2−COOH).
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Interstellar, Status Report
Spin-Forbidden Formation of Amide Molecules in the Interstellar Medium
In this study, two-state spin-forbidden mechanisms are proposed for the barrierless formation of amide isomers in the C2H5NO family of molecules. This family belongs to the first level of complexity […]
Posted inAstrogeology, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Imaging & Spectroscopy, Interstellar, Status Report
Synthesis Of Urea On The Surface Of Interstellar Water Ice Clusters. A Quantum Chemical Study
Urea is a prebiotic molecule that has been detected in few sources of the interstellar medium (ISM) and in Murchison meteorite. Being stable against ultraviolet radiation and high-energy electron bombardment, […]
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Imaging & Spectroscopy, Status Report
The Hunt For Formamide In Interstellar Ices: A Toolkit Of Laboratory Infrared Spectra
This work aims at characterizing the mid-IR spectra of formamide in its pure form as well as in mixtures of the most abundant interstellar ices via laboratory simulation of such […]
Posted inAstrochemistry, Exoplanets, -moons, -comets, Press Release
Stratified Distribution of Organic Molecules at the Planet-Formation Scale in the HH 212 Disk Atmosphere
Formamide (NH2CHO) is considered an important prebiotic molecule because of its potential to form peptide bonds. It was recently detected in the atmosphere of the HH 212 protostellar disk on […]
Posted inAstrochemistry, Press Release
Exploring The Formation Pathways Of Formamide Near Young O-type Stars
Context. As a building block for amino acids, formamide (NH2CHO) is an important molecule in astrobiology and astrochemistry, but its formation path in the interstellar medium is not understood well. […]