FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2895985358> ?p ?o ?g. }

• W2895985358 endingPage "A123" @default.
• W2895985358 startingPage "A123" @default.
• W2895985358 abstract "Context . Multi-year laboratory experiments have demonstrated that frozen icy mixtures containing simple organic and inorganic molecules (such as H 2 O, N 2 , CH 4 , CO, CO 2 , C 2 H 6 , etc.), if exposed to a flux of energetic ions or UV photons, give rise to new more complex molecules at low temperatures (10–50 K). A fraction of the new synthesized molecules is volatile while the remaining fraction is refractory and therefore it is preserved after the warm-up of the substrate to room temperature. Moreover, a part of the refractory material is formed during the annealing to room temperature, when molecules and radicals into the processed ice become mobile and react to form non-volatile molecules. By means of similar mechanisms, complex organic materials may be formed on the icy surfaces of some objects in the outer solar system, such as trans-Neptunian objects, comets and some satellites of the giant planets: in fact the interaction with solar wind and solar flares ions, solar photons and galactic cosmic rays could produce more refractory materials, analogous to those produced in the laboratory. In some cases, the materials thus synthesized may contain functional groups considered relevant to the pre-biotic chemistry in the hypothesis that interplanetary dust particles, comets and meteoroids contributed to seed the early Earth with the building blocks of life. Aims . The aim of this work is to investigate the chemical similarities and differences between some organic residues left over after ion bombardment (200 keV H + ) of different ice mixtures followed by subsequent warm up under vacuum to room temperature. Methods . Seven organic residues have been prepared in our laboratory following a procedure involving the proton irradiation of seven different icy mixtures and their warm-up to room temperature. All the organic samples were characterized by FTIR spectroscopy with measurements performed in situ, in the ultra-high vacuum condition preventing any sample degradation. Three of them were selected to be characterized by XPS spectroscopy as well. Results . Among the organic residues presented in this paper, only those containing nitrogen and carbon exhibit the multi-component band centred at 2200 cm −1 . This multi-component band presents interest from the astrobiological point of view due to its attribution to nitriles (–C≡N) and isonitriles (–N≡C). Our results demonstrate that this band is present in the IR spectra of organic nitrogen residues regardless the use of oxygen-bearing species in the icy mixture. This finding is of interest since the 2200 cm −1 band has been observed in some extraterrestrial samples (micro-meteorites) collected in the Antarctica." @default.
• W2895985358 created "2018-10-26" @default.
• W2895985358 creator A5010337466 @default.
• W2895985358 creator A5050806614 @default.
• W2895985358 creator A5055881232 @default.
• W2895985358 creator A5056761078 @default.
• W2895985358 creator A5079481047 @default.
• W2895985358 creator A5087510398 @default.
• W2895985358 creator A5089014772 @default.
• W2895985358 creator A5089174943 @default.
• W2895985358 date "2018-12-01" @default.
• W2895985358 modified "2023-10-01" @default.
• W2895985358 title "Combined IR and XPS characterization of organic refractory residues obtained by ion irradiation of simple icy mixtures" @default.
• W2895985358 cites W1674267224 @default.
• W2895985358 cites W1957394536 @default.
• W2895985358 cites W1972668728 @default.
• W2895985358 cites W1975727308 @default.
• W2895985358 cites W1980889317 @default.
• W2895985358 cites W1983253042 @default.
• W2895985358 cites W1989882026 @default.
• W2895985358 cites W1995057328 @default.
• W2895985358 cites W1998995240 @default.
• W2895985358 cites W2005789911 @default.
• W2895985358 cites W2014391506 @default.
• W2895985358 cites W2021232910 @default.
• W2895985358 cites W2022110529 @default.
• W2895985358 cites W2028844996 @default.
• W2895985358 cites W2029176084 @default.
• W2895985358 cites W2033873715 @default.
• W2895985358 cites W2037007718 @default.
• W2895985358 cites W2051229923 @default.
• W2895985358 cites W2063419958 @default.
• W2895985358 cites W2066968156 @default.
• W2895985358 cites W2070744579 @default.
• W2895985358 cites W2078845050 @default.
• W2895985358 cites W2083336671 @default.
• W2895985358 cites W2090030535 @default.
• W2895985358 cites W2093290320 @default.
• W2895985358 cites W2101213951 @default.
• W2895985358 cites W2108626611 @default.
• W2895985358 cites W2110508476 @default.
• W2895985358 cites W2111233064 @default.
• W2895985358 cites W2114716430 @default.
• W2895985358 cites W2115067257 @default.
• W2895985358 cites W2120101572 @default.
• W2895985358 cites W2127511930 @default.
• W2895985358 cites W2129165978 @default.
• W2895985358 cites W2130418129 @default.
• W2895985358 cites W2133567501 @default.
• W2895985358 cites W2149712313 @default.
• W2895985358 cites W2150032215 @default.
• W2895985358 cites W2153667352 @default.
• W2895985358 cites W2153909043 @default.
• W2895985358 cites W2156246212 @default.
• W2895985358 cites W2220390127 @default.
• W2895985358 cites W2395868755 @default.
• W2895985358 cites W2488156993 @default.
• W2895985358 cites W2579436545 @default.
• W2895985358 cites W2588305713 @default.
• W2895985358 cites W2765339289 @default.
• W2895985358 cites W3101230131 @default.
• W2895985358 doi "https://doi.org/10.1051/0004-6361/201834057" @default.
• W2895985358 hasPublicationYear "2018" @default.
• W2895985358 type Work @default.
• W2895985358 sameAs 2895985358 @default.
• W2895985358 citedByCount "12" @default.
• W2895985358 countsByYear W28959853582019 @default.
• W2895985358 countsByYear W28959853582020 @default.
• W2895985358 countsByYear W28959853582021 @default.
• W2895985358 countsByYear W28959853582022 @default.
• W2895985358 countsByYear W28959853582023 @default.
• W2895985358 crossrefType "journal-article" @default.
• W2895985358 hasAuthorship W2895985358A5010337466 @default.
• W2895985358 hasAuthorship W2895985358A5050806614 @default.
• W2895985358 hasAuthorship W2895985358A5055881232 @default.
• W2895985358 hasAuthorship W2895985358A5056761078 @default.
• W2895985358 hasAuthorship W2895985358A5079481047 @default.
• W2895985358 hasAuthorship W2895985358A5087510398 @default.
• W2895985358 hasAuthorship W2895985358A5089014772 @default.
• W2895985358 hasAuthorship W2895985358A5089174943 @default.
• W2895985358 hasBestOaLocation W28959853581 @default.
• W2895985358 hasConcept C10393806 @default.
• W2895985358 hasConcept C108411613 @default.
• W2895985358 hasConcept C111309251 @default.
• W2895985358 hasConcept C121332964 @default.
• W2895985358 hasConcept C145148216 @default.
• W2895985358 hasConcept C149268418 @default.
• W2895985358 hasConcept C151730666 @default.
• W2895985358 hasConcept C180920033 @default.
• W2895985358 hasConcept C185544564 @default.
• W2895985358 hasConcept C190161988 @default.
• W2895985358 hasConcept C196939603 @default.
• W2895985358 hasConcept C2779343474 @default.
• W2895985358 hasConcept C32449521 @default.
• W2895985358 hasConcept C32909587 @default.
• W2895985358 hasConcept C44870925 @default.
• W2895985358 hasConcept C51244244 @default.
• W2895985358 hasConcept C539450922 @default.

• next