19803148

Source:http://linkedlifedata.com/resource/pubmed/id/19803148

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Predicate	Object
rdf:type	pubmed:Citation
lifeskim:mentions	umls-concept:C0002508, umls-concept:C0008565, umls-concept:C0036679, umls-concept:C0037098, umls-concept:C0070570, umls-concept:C0237868, umls-concept:C2348532, umls-concept:C2611014
pubmed:issue	3
pubmed:dateCreated	2009-10-6
pubmed:abstractText	Microcolumn liquid chromatography (micro-LC) has been received extensive attention in recent years because of several key advantages: the ability to work at very low flow rates, which leads to a significantly lower solvent consumption; the possibility to inject very low sample size; the enhanced detection performance with the use of concentration sensitive detection devices as a result of the strongly reduced chromatographic dilution during the separation process (mass sensitivity), the availability to hyphenate to mass spectrometry (MS), et al. A microcolumn liquid chromatographic system was set up. The chromatographic separations of some ordinary hydroxybenzenes and amines were performed with different mobile phases using the weak hydrophobic interaction of imidazolium functionalized silica stationary phase on a microcolumn (150 mm x 0.25 mm). The results showed that the organic compounds could be well separated when a few organic solvents were added in the mobile phase, and some weak hydrophobic organic compounds such as phenols could be separated using only water as the mobile phase. For the advantages of microcolumn liquid chromatography, this experiment avoided or significantly reduced the use of organic solvents which contaminated the environment. This system provided a base for microcolumn liquid chromatography-mass spectrometry (micro-LC-MS).
pubmed:language	chi
pubmed:journal	http://linkedlifedata.com/resource/pubmed/journal/9424804
pubmed:status	PubMed-not-MEDLINE
pubmed:month	May
pubmed:issn	1000-8713
pubmed:author	pubmed-author:GrozaL NLN, pubmed-author:JiangShengxiangS, pubmed-author:NiuJingangJ, pubmed-author:SzuS SSS
pubmed:issnType	Print
pubmed:volume	27
pubmed:owner	NLM
pubmed:authorsComplete	Y
pubmed:pagination	368-71
pubmed:year	2009
pubmed:articleTitle	[Separation of hydroxybenzenes and amines by microcolumn liquid chromatography with imidazolium functionalized silica stationary phase].
pubmed:affiliation	Lanzhou Institute of Chemical Physics, the Chinese Academy of Sciences, Lanzhou 730000, China.
pubmed:publicationType	Journal Article, English Abstract