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题名: Deconvolution of overlapped peaks based on the exponentially modified Gaussian model in comprehensive two-dimensional gas chromatography
作者: Kong, HW;  Ye, F;  Lu, X;  Guo, L;  Tian, J;  Xu, GW
通讯作者: 许国旺
关键词: gas chromatography ;  comprehensive two-dimensional gas chromatography ;  EMG ;  curve fitting ;  overlapped peak ;  deconvolution
刊名: JOURNAL OF CHROMATOGRAPHY A
发表日期: 2005-09-09
DOI: 10.1016/j.chroma.2005.05.103
卷: 1086, 期:1-2, 页:160-164
收录类别: ISTP ;  SCI
文章类型: Article
部门归属: 18
项目归属: 1808
产权排名: 1;1
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine ;  Physical Sciences
类目[WOS]: Biochemical Research Methods ;  Chemistry, Analytical
研究领域[WOS]: Biochemistry & Molecular Biology ;  Chemistry
英文摘要: Comprehensive two-dimensional gas chromatography (GC x GC) has attracted much attention for the analys is of complex samples. Even with a large peak capacity in GC x GC, peak overlapping is often met. In this paper, a new method was developed to resolve overlapped peaks based on the mass conservation and the exponentially modified Gaussian (EMG) model. Linear relationships between the calculated sigma, tau of primary peaks with the corresponding retention time (t(R)) were obtained, and the correlation coefficients were over 0.99. Based on such relationships, the elution profile of each compound in overlapped peaks could be simulated, even for the peak never separated on the second-dimension. The proposed method has proven to offer more accurate peak area than the general data processing method. (c) 2005 Elsevier B.V. All rights reserved.
关键词[WOS]: CHEMOMETRIC ANALYSIS ;  RETENTION TIME ;  SEPARATIONS ;  RESOLUTION ;  MODULATOR
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000231185500019
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/92877
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Chromatog R&A Ctr, Dalian 116023, Peoples R China

Recommended Citation:
Kong, HW,Ye, F,Lu, X,et al. Deconvolution of overlapped peaks based on the exponentially modified Gaussian model in comprehensive two-dimensional gas chromatography[J]. JOURNAL OF CHROMATOGRAPHY A,2005,1086(1-2):160-164.
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