منابع مشابه
Multidimensional and Comprehensive Liquid Chromatography
In this month’s “Column Watch,” Ron Majors discusses advances in multidimensional chromatography and comprehensive multidimensional chromatography. These techniques are well suited for the separation of complex samples. Although GC GC is fairly well developed, LC LC is in its infancy. But with fast LC columns, based on monoliths, superficially porous particles, and short sub-2m particle columns...
متن کاملCascade chromatography and automated multidimensional fractionation.
A general method of automated multidimensional fractionation has been developed. Its basic ingredients are: (a) cascade fractionation, i.e., the sequential fractionation of components obtained from each chromatographic dimension on the same or a different dimension, (b) on-line acquisition and processing of data at each stage in the fractionation procedure, (c) a method for determining the begi...
متن کاملThe combination of gas chromatography-olfactometry and multidimensional gas chromatography for the characterisation of essential oils.
A research area of great interest to the flavour industry is the analysis of odour active compounds in essential oils. In this paper, a methodology is presented for the identification of character-impact odorants in essential oil samples using (a) gas chromatography-olfactometry (GC-O); (b) comprehensive two-dimensional gas chromatography (GC x GC) combined to time-of-flight mass spectrometry (...
متن کاملTechnology of multidimensional gas chromatography (MDGC) and comprehensive two-dimensional gas chromatography (GC×GC)
The term ‘dimension’ in the above titles refers to the use of a ‘dimension of chromatography’ – or put more simply, a column – or for multidimension – two or more columns. In the broad sense, a ‘dimension of analysis’ is any technique that provides independent analysis capability. So FTIR, MS, and GC are discrete dimensions; they can be operated independently to provide some measure of analysis...
متن کاملMultidimensional Chromatography and the Signature Peptide Approach to Proteomics
sequence the genomes of many organisms in the next few years. Among these genomes are the roughly 100,000 genes in the human genome, genomes of most domestic animals and plants, and the DNA sequence of many pathogens. The availability of DNA sequence data from so many organisms is transforming the way we think about protein sequencing and expression. First, the gene sequence suggests the protei...
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ژورنال
عنوان ژورنال: Analytical and Bioanalytical Chemistry
سال: 2014
ISSN: 1618-2642,1618-2650
DOI: 10.1007/s00216-014-8265-y