20334866

Source:http://linkedlifedata.com/resource/pubmed/id/20334866

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Predicate	Object
rdf:type	pubmed:Citation
lifeskim:mentions	umls-concept:C0017110, umls-concept:C0205345, umls-concept:C0333117, umls-concept:C0348080, umls-concept:C0681842, umls-concept:C2350562
pubmed:issue	17
pubmed:dateCreated	2010-4-5
pubmed:abstractText	The gas chromatographic (GC) retention times of 180 polybrominated diphenyl ethers (PBDEs) were obtained under different operational conditions on two types of commonly used capillary columns, Restek Rtx-1614 and J&W DB-5MS, of different dimensions. The relative retention times (RRTs) for PBDEs were calculated by normalizing the retention times of individual congeners to the sum of those of BDEs 47 and 183. In clear contrast to polychlorinated biphenyls (PCBs), the elution of PBDEs has few cross-homolog overlaps, and this observation is discussed in terms of molecular conformation with regard to co-planarity. Within a homolog, ortho substitution in PBDEs tends to decrease GC retention, and such an effect is stronger for higher homologs. With the RRT database established in this work, a simple approach is evaluated for the identification of all mono to hepta PBDEs from the RRTs of 39 congeners under various GC conditions to facilitate the identification of unknown PBDE peaks for which chemical standards are not available.
pubmed:language	eng
pubmed:journal	http://linkedlifedata.com/resource/pubmed/journal/9318488
pubmed:citationSubset	IM
pubmed:chemical	http://linkedlifedata.com/resource/pubmed/chemical/Halogenated Diphenyl Ethers
pubmed:status	MEDLINE
pubmed:month	Apr
pubmed:issn	1873-3778
pubmed:author	pubmed-author:AnLiL, pubmed-author:ChristensenErik RER, pubmed-author:RockneKarl JKJ, pubmed-author:RoeE JEJJr, pubmed-author:YangRuiqiangR
pubmed:copyrightInfo	Copyright 2010 Elsevier B.V. All rights reserved.
pubmed:issnType	Electronic
pubmed:day	23
pubmed:volume	1217
pubmed:owner	NLM
pubmed:authorsComplete	Y
pubmed:pagination	2964-72
pubmed:meshHeading	pubmed-meshheading:20334866-Chromatography, Gas, pubmed-meshheading:20334866-Halogenated Diphenyl Ethers
pubmed:year	2010
pubmed:articleTitle	Gas chromatographic retention of 180 polybrominated diphenyl ethers and prediction of relative retention under various operational conditions.
pubmed:affiliation	School of Public Health, University of Illinois at Chicago, 2121 West Taylor Street, MC922, Chicago, IL 60612, USA.
pubmed:publicationType	Journal Article, Research Support, U.S. Gov't, Non-P.H.S.