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  The formation of the building blocks of peptides on interstellar dust grains

Ligterink, N. F. W., van Scheltinga, J. T., Kofman, V., Taquet, V., Cazaux, S., Jørgensen, J. K., et al. (2020). The formation of the building blocks of peptides on interstellar dust grains. Cambridge, UK: Cambridge University Press.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-15D4-1 Version Permalink: https://hdl.handle.net/21.11116/0000-0008-15D5-0
Genre: Proceedings

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The formation of the building blocks of peptides on interstellar dust grains.pdf (Any fulltext), 354KB
 
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 Creators:
Ligterink, N. F. W., Author
van Scheltinga, J. Terwisscha, Author
Kofman, V., Author
Taquet, V., Author
Cazaux, S., Author
Jørgensen, J. K., Author
Van Dishoeck, E. F.1, Author           
Linnartz, H., Author
team, The PILS, Author
Affiliations:
1Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society, ou_159889              

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 Abstract: The emergence of life on Earth may have its origin in organic molecules formed in the interstellar medium. Molecules with amide and isocyanate groups resemble structures found in peptides and nucleobases and are necessary for their formation. Their formation is expected to take place in the solid state, on icy dust grains, and is studied here by far-UV irradiating a CH4:HNCO mixture at 20 K in the laboratory. Reaction products are detected by means of infrared spectroscopy and temperature programmed desorption - mass spectrometry. Various simple amides and isocyanates are formed, showing the importance of ice chemistry for their interstellar formation. Constrained by experimental conditions, a reaction network is derived, showing possible formation pathways of these species under interstellar conditions.

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Language(s): eng - English
 Dates: 2020-10-12
 Publication Status: Published online
 Pages: -
 Publishing info: Cambridge, UK : Cambridge University Press
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: Other: LOCALID: Reihe: IAU...350
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Title: 350nd Symposium of the International Astronomical Union: Laboratory Astrophysics: From Observations to Interpretation
Place of Event: Cambridge, United Kingdom
Start-/End Date: 2019-04-14 - 2019-04-19

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Title: Proceedings of the International Astronomical Union
Source Genre: Series
 Creator(s):
Salama Farid, Editor              
Linnartz Harold, Author              
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Publ. Info: Cambridge, UK : Cambridge University Press
Pages: - Volume / Issue: 15/s350 Sequence Number: - Start / End Page: 216 - 219 Identifier: ISSN: 1743-9213