The formation of peptide-like molecules on interstellar dust grains

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Standard

The formation of peptide-like molecules on interstellar dust grains. / Ligterink, N. F. W.; van Scheltinga, J. Terwisscha; Taquet, V.; Jorgensen, J. K.; Cazaux, S.; van Dishoeck, E. F.; Linnartz, H.

I: Monthly Notices of the Royal Astronomical Society, Bind 480, Nr. 3, 01.01.2018, s. 3628-3643.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Ligterink, NFW, van Scheltinga, JT, Taquet, V, Jorgensen, JK, Cazaux, S, van Dishoeck, EF & Linnartz, H 2018, 'The formation of peptide-like molecules on interstellar dust grains', Monthly Notices of the Royal Astronomical Society, bind 480, nr. 3, s. 3628-3643. https://doi.org/10.1093/mnras/sty2066

APA

Ligterink, N. F. W., van Scheltinga, J. T., Taquet, V., Jorgensen, J. K., Cazaux, S., van Dishoeck, E. F., & Linnartz, H. (2018). The formation of peptide-like molecules on interstellar dust grains. Monthly Notices of the Royal Astronomical Society, 480(3), 3628-3643. https://doi.org/10.1093/mnras/sty2066

Vancouver

Ligterink NFW, van Scheltinga JT, Taquet V, Jorgensen JK, Cazaux S, van Dishoeck EF o.a. The formation of peptide-like molecules on interstellar dust grains. Monthly Notices of the Royal Astronomical Society. 2018 jan. 1;480(3):3628-3643. https://doi.org/10.1093/mnras/sty2066

Author

Ligterink, N. F. W. ; van Scheltinga, J. Terwisscha ; Taquet, V. ; Jorgensen, J. K. ; Cazaux, S. ; van Dishoeck, E. F. ; Linnartz, H. / The formation of peptide-like molecules on interstellar dust grains. I: Monthly Notices of the Royal Astronomical Society. 2018 ; Bind 480, Nr. 3. s. 3628-3643.

Bibtex

@article{24d2317f41bc4e72b36207da21350fdc,
title = "The formation of peptide-like molecules on interstellar dust grains",
abstract = "Molecules with an amide functional group resemble peptide bonds, the molecular bridges that connect amino acids, and may thus be relevant in processes that lead to the formation of life. In this study, the solid state formation of some of the smallest amides is investigated in the laboratory. To this end, CH4:HNCO ice mixtures at 20 K are irradiated with far-UV photons, where the radiation is used as a tool to produce the radicals required for the formation of the amides. Products are identified and investigated with infrared spectroscopy and temperature-programmed desorption mass spectrometry. The laboratory data show that NH 2CHO, CH 3NCO, NH 2C(O)NH 2, CH 3 C(O)NH 2, and CH 3NH 2 can simultaneously be formed. The NH 2CO radical is found to be key in the formation of larger amides. In parallel, ALMA observations towards the low-mass protostar IRAS 16293-2422B are analysed in search of CH 3NHCHO (N-methylformamide) and CH 3C(O)NH 2 (acetamide). CH 3C(O)NH 2 is tentatively detected towards IRAS 16293-2422B at an abundance comparable with those found towards high-mass sources. The combined laboratory and observational data indicate that NH 2CHO and CH 3C(O)NH 2 are chemically linked and form in the ice mantles of interstellar dust grains. A solid-state reaction network for the formation of these amides is proposed. ",
keywords = "Astrochemistry, Molecular processes, Methods: laboratory: molecular, Techniques: spectroscopic, Individual objects: IRAS 16293-2422",
author = "Ligterink, {N. F. W.} and {van Scheltinga}, {J. Terwisscha} and V. Taquet and Jorgensen, {J. K.} and S. Cazaux and {van Dishoeck}, {E. F.} and H. Linnartz",
year = "2018",
month = jan,
day = "1",
doi = "10.1093/mnras/sty2066",
language = "English",
volume = "480",
pages = "3628--3643",
journal = "Royal Astronomical Society. Monthly Notices",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "3",

}

RIS

TY - JOUR

T1 - The formation of peptide-like molecules on interstellar dust grains

AU - Ligterink, N. F. W.

AU - van Scheltinga, J. Terwisscha

AU - Taquet, V.

AU - Jorgensen, J. K.

AU - Cazaux, S.

AU - van Dishoeck, E. F.

AU - Linnartz, H.

PY - 2018/1/1

Y1 - 2018/1/1

N2 - Molecules with an amide functional group resemble peptide bonds, the molecular bridges that connect amino acids, and may thus be relevant in processes that lead to the formation of life. In this study, the solid state formation of some of the smallest amides is investigated in the laboratory. To this end, CH4:HNCO ice mixtures at 20 K are irradiated with far-UV photons, where the radiation is used as a tool to produce the radicals required for the formation of the amides. Products are identified and investigated with infrared spectroscopy and temperature-programmed desorption mass spectrometry. The laboratory data show that NH 2CHO, CH 3NCO, NH 2C(O)NH 2, CH 3 C(O)NH 2, and CH 3NH 2 can simultaneously be formed. The NH 2CO radical is found to be key in the formation of larger amides. In parallel, ALMA observations towards the low-mass protostar IRAS 16293-2422B are analysed in search of CH 3NHCHO (N-methylformamide) and CH 3C(O)NH 2 (acetamide). CH 3C(O)NH 2 is tentatively detected towards IRAS 16293-2422B at an abundance comparable with those found towards high-mass sources. The combined laboratory and observational data indicate that NH 2CHO and CH 3C(O)NH 2 are chemically linked and form in the ice mantles of interstellar dust grains. A solid-state reaction network for the formation of these amides is proposed.

AB - Molecules with an amide functional group resemble peptide bonds, the molecular bridges that connect amino acids, and may thus be relevant in processes that lead to the formation of life. In this study, the solid state formation of some of the smallest amides is investigated in the laboratory. To this end, CH4:HNCO ice mixtures at 20 K are irradiated with far-UV photons, where the radiation is used as a tool to produce the radicals required for the formation of the amides. Products are identified and investigated with infrared spectroscopy and temperature-programmed desorption mass spectrometry. The laboratory data show that NH 2CHO, CH 3NCO, NH 2C(O)NH 2, CH 3 C(O)NH 2, and CH 3NH 2 can simultaneously be formed. The NH 2CO radical is found to be key in the formation of larger amides. In parallel, ALMA observations towards the low-mass protostar IRAS 16293-2422B are analysed in search of CH 3NHCHO (N-methylformamide) and CH 3C(O)NH 2 (acetamide). CH 3C(O)NH 2 is tentatively detected towards IRAS 16293-2422B at an abundance comparable with those found towards high-mass sources. The combined laboratory and observational data indicate that NH 2CHO and CH 3C(O)NH 2 are chemically linked and form in the ice mantles of interstellar dust grains. A solid-state reaction network for the formation of these amides is proposed.

KW - Astrochemistry

KW - Molecular processes

KW - Methods: laboratory: molecular

KW - Techniques: spectroscopic

KW - Individual objects: IRAS 16293-2422

UR - http://www.scopus.com/inward/record.url?scp=85055335149&partnerID=8YFLogxK

U2 - 10.1093/mnras/sty2066

DO - 10.1093/mnras/sty2066

M3 - Journal article

VL - 480

SP - 3628

EP - 3643

JO - Royal Astronomical Society. Monthly Notices

JF - Royal Astronomical Society. Monthly Notices

SN - 0035-8711

IS - 3

ER -

ID: 209351787