Dissolved total hydrolyzable enantiomeric amino acids in precipitation: Implications on bacterial contributions to atmospheric organic matter SCIE SCOPUS

DC Field Value Language
dc.contributor.author Yan, Ge -
dc.contributor.author Kim, Guebuem -
dc.contributor.author Kim, Jeonghyun -
dc.contributor.author Jeong, Yu-Sik -
dc.contributor.author Kim, Young Il -
dc.date.accessioned 2020-04-20T03:40:43Z -
dc.date.available 2020-04-20T03:40:43Z -
dc.date.created 2020-01-28 -
dc.date.issued 2015-03-15 -
dc.identifier.issn 0016-7037 -
dc.identifier.uri https://sciwatch.kiost.ac.kr/handle/2020.kiost/2518 -
dc.description.abstract We analyzed dissolved organic carbon (DOC), dissolved organic nitrogen (DON), and dissolved enantiomeric amino acids in precipitation samples collected at two sites in Korea over a one-year period. The average concentrations of DOC, DON, and total hydrolyzable amino acids at Seoul (an inland urban area) were lower than those at Uljin (a coastal rural area). The different bulk compositions of dissolved organic matter (DOM) at these two sites (reflected by qualitative indicators) were mainly attributed to differences in contributing sources. The D-enantiomers of four individual amino acids (aspartic acid, glutamic acid, serine, and alanine) were ubiquitously present, with average enantiomeric (D/L) ratios of 0.34, 0.26, 0.21, and 0.61 for Seoul, and 0.18, 0.11, 0.09, and 0.31 for Uljin, respectively. The much higher D/L ratios observed at Seoul than at Uljin might result from more advanced diagenetic stages as well as higher contributions from bacteria inhabiting terrestrial environments. The C-and N-normalized yields of D-alanine in DOM of our samples were found to be comparable to literature values reported for aquatic systems, where a significant portion of DOM was suggested to be of bacterial origin. Our study suggests that bacteria and their remnants might constitute an important fraction of OM in the atmosphere, contributing significantly to the quality of atmospheric OM and its post-depositional bioavailability in the surface ecosystems. (C) 2015 Elsevier Ltd. All rights reserved. -
dc.description.uri 1 -
dc.language English -
dc.publisher PERGAMON-ELSEVIER SCIENCE LTD -
dc.subject NORTH PACIFIC-OCEAN -
dc.subject 16S RIBOSOMAL-RNA -
dc.subject MARINE AEROSOLS -
dc.subject TROPOSPHERIC AEROSOLS -
dc.subject DIAGENETIC ALTERATION -
dc.subject FOG WATERS -
dc.subject NITROGEN -
dc.subject CARBON -
dc.subject PEPTIDOGLYCAN -
dc.subject PARTICULATE -
dc.title Dissolved total hydrolyzable enantiomeric amino acids in precipitation: Implications on bacterial contributions to atmospheric organic matter -
dc.type Article -
dc.citation.endPage 14 -
dc.citation.startPage 1 -
dc.citation.title GEOCHIMICA ET COSMOCHIMICA ACTA -
dc.citation.volume 153 -
dc.contributor.alternativeName 김영일 -
dc.identifier.bibliographicCitation GEOCHIMICA ET COSMOCHIMICA ACTA, v.153, pp.1 - 14 -
dc.identifier.doi 10.1016/j.gca.2015.01.005 -
dc.identifier.scopusid 2-s2.0-84922024691 -
dc.identifier.wosid 000350559400001 -
dc.type.docType Article -
dc.description.journalClass 1 -
dc.subject.keywordPlus NORTH PACIFIC-OCEAN -
dc.subject.keywordPlus 16S RIBOSOMAL-RNA -
dc.subject.keywordPlus MARINE AEROSOLS -
dc.subject.keywordPlus TROPOSPHERIC AEROSOLS -
dc.subject.keywordPlus DIAGENETIC ALTERATION -
dc.subject.keywordPlus FOG WATERS -
dc.subject.keywordPlus NITROGEN -
dc.subject.keywordPlus CARBON -
dc.subject.keywordPlus PEPTIDOGLYCAN -
dc.subject.keywordPlus PARTICULATE -
dc.relation.journalWebOfScienceCategory Geochemistry & Geophysics -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.relation.journalResearchArea Geochemistry & Geophysics -
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East Sea Research Institute > East Sea Environment Research Center > 1. Journal Articles
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