The Prebiotic Molecular Inventory of Serpens SMM1: II. The Building Blocks of Peptide Chains

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

The Prebiotic Molecular Inventory of Serpens SMM1 : II. The Building Blocks of Peptide Chains. / Ligterink, Niels F. W.; Ahmadi, Aida; Luitel, Bijaya; Coutens, Audrey; Calcutt, Hannah; Tychoniec, Lukasz; Linnartz, Harold; Jorgensen, Jes K.; Garrod, Robin T.; Bouwman, Jordy.

In: ACS Earth and Space Chemistry , Vol. 6, No. 3, 17.03.2022, p. 455-467.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Ligterink, NFW, Ahmadi, A, Luitel, B, Coutens, A, Calcutt, H, Tychoniec, L, Linnartz, H, Jorgensen, JK, Garrod, RT & Bouwman, J 2022, 'The Prebiotic Molecular Inventory of Serpens SMM1: II. The Building Blocks of Peptide Chains', ACS Earth and Space Chemistry , vol. 6, no. 3, pp. 455-467. https://doi.org/10.1021/acsearthspacechem.1c00330

APA

Ligterink, N. F. W., Ahmadi, A., Luitel, B., Coutens, A., Calcutt, H., Tychoniec, L., Linnartz, H., Jorgensen, J. K., Garrod, R. T., & Bouwman, J. (2022). The Prebiotic Molecular Inventory of Serpens SMM1: II. The Building Blocks of Peptide Chains. ACS Earth and Space Chemistry , 6(3), 455-467. https://doi.org/10.1021/acsearthspacechem.1c00330

Vancouver

Ligterink NFW, Ahmadi A, Luitel B, Coutens A, Calcutt H, Tychoniec L et al. The Prebiotic Molecular Inventory of Serpens SMM1: II. The Building Blocks of Peptide Chains. ACS Earth and Space Chemistry . 2022 Mar 17;6(3):455-467. https://doi.org/10.1021/acsearthspacechem.1c00330

Author

Ligterink, Niels F. W. ; Ahmadi, Aida ; Luitel, Bijaya ; Coutens, Audrey ; Calcutt, Hannah ; Tychoniec, Lukasz ; Linnartz, Harold ; Jorgensen, Jes K. ; Garrod, Robin T. ; Bouwman, Jordy. / The Prebiotic Molecular Inventory of Serpens SMM1 : II. The Building Blocks of Peptide Chains. In: ACS Earth and Space Chemistry . 2022 ; Vol. 6, No. 3. pp. 455-467.

Bibtex

@article{d7684e46772f4233849f0abc3038afe9,
title = "The Prebiotic Molecular Inventory of Serpens SMM1: II. The Building Blocks of Peptide Chains",
abstract = "This work aims to constrain the abundances of interstellar amides, by searching for this group of prebiotic molecules in the intermediate-mass protostar Serpens SMM1-a. ALMA observations are conducted toward Serpens SMM1. A spectrum is extracted toward the SMM1-a position and analyzed with the CASSIS line analysis software for the presence of characteristic rotational lines of a number of amides and other molecules. NH2CHO, NH2CHO nu(12) = 1, (NH2CHO)-C-13, CH3C(O)-NH2 nu = 0, 1, CH2DOH, CH3CHO, and CH3C(O)CH3 are securely detected, while trans-NHDCHO, NH2CDO, CH3NHCHO nu = 0, 1, CH3COOH, and HOCH2CHO are tentatively identified. The results of this work are compared with detections presented in the literature. A uniform CH3C(O)NH2/NH2CHO ratio is found for a group of interstellar sources with vast physical differences. A similar ratio is seen for CH3NHCHO, based on a smaller data sample. The D/H ratio of NH2CHO is about 1-3% and is close to values found in the low-mass source IRAS 16293-2422B. The formation of CH3C(O)NH2 and NH2CHO is likely linked. Formation of these molecules on grain surfaces during the dark cloud stage is a likely scenario. The high D/H ratio of NH2CHO is also seen as an indication that these molecules are formed on icy dust grains. As a direct consequence, amides are expected to be present in the most pristine material from which planetary systems form, thus providing a reservoir of prebiotic material.",
keywords = "COMPLEX ORGANIC-MOLECULES, ACETAMIDE CH3CONH2, SURFACE-CHEMISTRY, COLOGNE DATABASE, GALACTIC-CENTER, ICE ANALOGS, INTERSTELLAR, PHOTOLYSIS, OLIGOPEPTIDES, SPECTROSCOPY",
author = "Ligterink, {Niels F. W.} and Aida Ahmadi and Bijaya Luitel and Audrey Coutens and Hannah Calcutt and Lukasz Tychoniec and Harold Linnartz and Jorgensen, {Jes K.} and Garrod, {Robin T.} and Jordy Bouwman",
year = "2022",
month = mar,
day = "17",
doi = "10.1021/acsearthspacechem.1c00330",
language = "English",
volume = "6",
pages = "455--467",
journal = "ACS Earth and Space Chemistry",
issn = "2472-3452",
publisher = "American Chemical Society",
number = "3",

}

RIS

TY - JOUR

T1 - The Prebiotic Molecular Inventory of Serpens SMM1

T2 - II. The Building Blocks of Peptide Chains

AU - Ligterink, Niels F. W.

AU - Ahmadi, Aida

AU - Luitel, Bijaya

AU - Coutens, Audrey

AU - Calcutt, Hannah

AU - Tychoniec, Lukasz

AU - Linnartz, Harold

AU - Jorgensen, Jes K.

AU - Garrod, Robin T.

AU - Bouwman, Jordy

PY - 2022/3/17

Y1 - 2022/3/17

N2 - This work aims to constrain the abundances of interstellar amides, by searching for this group of prebiotic molecules in the intermediate-mass protostar Serpens SMM1-a. ALMA observations are conducted toward Serpens SMM1. A spectrum is extracted toward the SMM1-a position and analyzed with the CASSIS line analysis software for the presence of characteristic rotational lines of a number of amides and other molecules. NH2CHO, NH2CHO nu(12) = 1, (NH2CHO)-C-13, CH3C(O)-NH2 nu = 0, 1, CH2DOH, CH3CHO, and CH3C(O)CH3 are securely detected, while trans-NHDCHO, NH2CDO, CH3NHCHO nu = 0, 1, CH3COOH, and HOCH2CHO are tentatively identified. The results of this work are compared with detections presented in the literature. A uniform CH3C(O)NH2/NH2CHO ratio is found for a group of interstellar sources with vast physical differences. A similar ratio is seen for CH3NHCHO, based on a smaller data sample. The D/H ratio of NH2CHO is about 1-3% and is close to values found in the low-mass source IRAS 16293-2422B. The formation of CH3C(O)NH2 and NH2CHO is likely linked. Formation of these molecules on grain surfaces during the dark cloud stage is a likely scenario. The high D/H ratio of NH2CHO is also seen as an indication that these molecules are formed on icy dust grains. As a direct consequence, amides are expected to be present in the most pristine material from which planetary systems form, thus providing a reservoir of prebiotic material.

AB - This work aims to constrain the abundances of interstellar amides, by searching for this group of prebiotic molecules in the intermediate-mass protostar Serpens SMM1-a. ALMA observations are conducted toward Serpens SMM1. A spectrum is extracted toward the SMM1-a position and analyzed with the CASSIS line analysis software for the presence of characteristic rotational lines of a number of amides and other molecules. NH2CHO, NH2CHO nu(12) = 1, (NH2CHO)-C-13, CH3C(O)-NH2 nu = 0, 1, CH2DOH, CH3CHO, and CH3C(O)CH3 are securely detected, while trans-NHDCHO, NH2CDO, CH3NHCHO nu = 0, 1, CH3COOH, and HOCH2CHO are tentatively identified. The results of this work are compared with detections presented in the literature. A uniform CH3C(O)NH2/NH2CHO ratio is found for a group of interstellar sources with vast physical differences. A similar ratio is seen for CH3NHCHO, based on a smaller data sample. The D/H ratio of NH2CHO is about 1-3% and is close to values found in the low-mass source IRAS 16293-2422B. The formation of CH3C(O)NH2 and NH2CHO is likely linked. Formation of these molecules on grain surfaces during the dark cloud stage is a likely scenario. The high D/H ratio of NH2CHO is also seen as an indication that these molecules are formed on icy dust grains. As a direct consequence, amides are expected to be present in the most pristine material from which planetary systems form, thus providing a reservoir of prebiotic material.

KW - COMPLEX ORGANIC-MOLECULES

KW - ACETAMIDE CH3CONH2

KW - SURFACE-CHEMISTRY

KW - COLOGNE DATABASE

KW - GALACTIC-CENTER

KW - ICE ANALOGS

KW - INTERSTELLAR

KW - PHOTOLYSIS

KW - OLIGOPEPTIDES

KW - SPECTROSCOPY

U2 - 10.1021/acsearthspacechem.1c00330

DO - 10.1021/acsearthspacechem.1c00330

M3 - Journal article

VL - 6

SP - 455

EP - 467

JO - ACS Earth and Space Chemistry

JF - ACS Earth and Space Chemistry

SN - 2472-3452

IS - 3

ER -

ID: 303447314