Primordial aqueous alteration recorded in water-soluble organic molecules from the carbonaceous asteroid (162173) Ryugu
We report primordial aqueous alteration signatures in water-soluble organic molecules from
the carbonaceous asteroid (162173) Ryugu by the Hayabusa2 spacecraft of JAXA. Newly …
the carbonaceous asteroid (162173) Ryugu by the Hayabusa2 spacecraft of JAXA. Newly …
Detection of interstellar 1-cyanopyrene: A four-ring polycyclic aromatic hydrocarbon
Polycyclic aromatic hydrocarbons (PAHs) are organic molecules containing adjacent
aromatic rings. Infrared emission bands show that PAHs are abundant in space, but only a …
aromatic rings. Infrared emission bands show that PAHs are abundant in space, but only a …
Detections of interstellar aromatic nitriles 2-cyanopyrene and 4-cyanopyrene in TMC-1
Polycyclic aromatic hydrocarbons (PAHs) are among the most widespread compounds in
the universe, accounting for up to~ 25% of all interstellar carbon. Since most unsubstituted …
the universe, accounting for up to~ 25% of all interstellar carbon. Since most unsubstituted …
Magnetic hypercrosslinked polymer microspheres for the detection, spatial distribution, source identification and potential risks assessment of five polycyclic aromatic …
S Wang, X Zhang, Q Zhou, Z Liu, Z Xu - Journal of Hazardous Materials, 2024 - Elsevier
Polycyclic aromatic hydrocarbons (PAHs) have long been globally distributed, and almost
worldwide people are exposed to varying degrees of PAHs. Aqueous medium is an …
worldwide people are exposed to varying degrees of PAHs. Aqueous medium is an …
The Winding Road from Origin to Emergence (of Life)
Humanity's strive to understand why and how life appeared on planet Earth dates back to
prehistoric times. At the beginning of the 19th century, empirical biology started to tackle this …
prehistoric times. At the beginning of the 19th century, empirical biology started to tackle this …
Diversity of protonated mixed pyrene–water clusters investigated by collision induced dissociation
AM Nair, H Leboucher, L Toucouere… - Physical Chemistry …, 2024 - pubs.rsc.org
Protonated mixed pyrene–water clusters,(Py) m (H2O) nH+, where m=[1–3] and n=[1–10],
are generated using a cryogenic molecular cluster source. Subsequently, the mass-selected …
are generated using a cryogenic molecular cluster source. Subsequently, the mass-selected …
Anthropogenic impacts on polycyclic aromatic hydrocarbons in surface water: Evidence from the COVID-19 lockdown
The lockdown restrictions against coronavirus disease 2019 (COVID-19) have led to
unprecedented reductions in global anthropogenic activities. Polycyclic aromatic …
unprecedented reductions in global anthropogenic activities. Polycyclic aromatic …
Oxygen isotope equilibria of O-bearing organic compounds based on first principle quantum mechanical models, and implications for their use in the study of …
S Bhattacharjee, JM Eiler - Geochimica et Cosmochimica Acta, 2024 - Elsevier
We report theoretically calculated equilibrium oxygen isotopic fractionation factors (17 O/16
O, 18 O/16 O) between a set of representative O-bearing organic molecules and water, as …
O, 18 O/16 O) between a set of representative O-bearing organic molecules and water, as …
Impact Ionization Mass Spectra of Polypyrrole-Coated Anthracene Microparticles: A Useful Mimic for Cosmic Polycyclic Aromatic Hydrocarbon Dust
R Mikula, Z Sternovsky, SP Armes, E Ayari… - ACS Earth and Space …, 2024 - ACS Publications
Polycyclic aromatic hydrocarbons (PAHs) are abundantly present in the interstellar medium
and in our solar system and lock up a significant fraction of cosmic carbon. They are found to …
and in our solar system and lock up a significant fraction of cosmic carbon. They are found to …
Characterization of monosubstituted benzene ices
EL Piacentino, A Balkanski, M Rajappan… - The Astrophysical …, 2024 - iopscience.iop.org
Aromatic structures are fundamental for key biological molecules such as RNA and
metabolites and the abundances of aromatic molecules on young planets are therefore of …
metabolites and the abundances of aromatic molecules on young planets are therefore of …