气候变化领域集成服务门户(CCPortal): UV irradiation of polycyclic aromatic hydrocarbons in ices: Production of alcohols, quinones, and ethers

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DOI	10.1126/science.283.5405.1135
	UV irradiation of polycyclic aromatic hydrocarbons in ices: Production of alcohols, quinones, and ethers
	Bernstein M.P.; Sandford S.A.; Allamandola L.J.; Gillette J.S.; Clemett S.J.; Zare R.N.
发表日期	1999
ISSN	0036-8075
起始页码	1135
结束页码	1138
卷号	283 期号:5405
英文摘要	Polycyclic aromatic hydrocarbons (PAHs) in water ice were exposed to ultra-violet (UV) radiation under astrophysical conditions, and the products were analyzed by infrared spectroscopy and mass spectrometry. Peripheral carbon atoms were oxidized, producing aromatic alcohols, ketones, and ethers, and reduced, producing partially hydrogenated aromatic hydrocarbons, molecules that account for the interstellar 3.4-micrometer emission feature. These classes of compounds are all present in carbonaceous meteorites. Hydrogen and deuterium atoms exchange readily between the PAHs and the ice, which may explain the deuterium enrichments found in certain meteoritic molecules. This work has important implications for extraterrestrial organics in biogenesis.
英文关键词	alcohol; ether derivative; ice; polycyclic aromatic compound; quinone derivative; article; chemical analysis; chemical structure; infrared spectrometry; mass spectrometry; priority journal; reaction analysis; synthesis; ultraviolet irradiation; NASA Center ARC; NASA Discipline Exobiology; Alcohols; Astronomy; Biogenesis; Deuterium; Ethers; Evolution, Chemical; Exobiology; Hydrogen; Ice; Mass Spectrometry; Meteoroids; Oxidation-Reduction; Photolysis; Polycyclic Hydrocarbons, Aromatic; Quinones; Spectrophotometry, Infrared; Ultraviolet Rays; Viola (angiosperm)
语种	英语
来源期刊	Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/243034
作者单位	NASA-Ames Research Center, Mail Stop 245-6, Moffett Field, CA 94035, United States; SETI Institute, 2035 Landings Drive, Mountain View, CA 94043, United States; Department of Chemistry, Stanford University, Stanford, CA 94305-5080, United States
推荐引用方式 GB/T 7714	Bernstein M.P.,Sandford S.A.,Allamandola L.J.,et al. UV irradiation of polycyclic aromatic hydrocarbons in ices: Production of alcohols, quinones, and ethers[J],1999,283(5405).
APA	Bernstein M.P.,Sandford S.A.,Allamandola L.J.,Gillette J.S.,Clemett S.J.,&Zare R.N..(1999).UV irradiation of polycyclic aromatic hydrocarbons in ices: Production of alcohols, quinones, and ethers.Science,283(5405).
MLA	Bernstein M.P.,et al."UV irradiation of polycyclic aromatic hydrocarbons in ices: Production of alcohols, quinones, and ethers".Science 283.5405(1999).