p-tert-Butylcalix[8]arene-bonded silica monoliths for liquid chromatography
Yin, Junfa1,2; Wang, Lijuan3; Wei, Xiaoyi1; Yang, Gengliang1; Wang, Hailin2
AbstractMonolithic silica columns have inspired considerable research interests in the separation science because, of their unique properties in permeability, mass transfer, efficiency and throughput. In this paper, a chemically p-tert-butylcalix [8] arene-bonded silica monolith was prepared as the promising candidate for versatile LC separations. Micrometer-sized macropores and nanometer-sized mesopores in this derivatized silica monolith reduce the diffusion path length and provide both low backpressure and high column efficiencies, leading to high-speed and high-throughput separations. Since p-tert-butylcalix[8]arene possesses a pi-donors cavity composed of benzene rings while polycyclic aromatic hydrocarbons, anthraquinones, phenol regio isomers and fullerenes are pi-systems with appreciable electron affinity, they may have a chance to get involved in forming host-guest inclusion complexes through non-covalent interactions, e.g. hydrophobic and pi-pi interactions. Compared with RP-18e, the prepared calixarene-bonded monolith exhibited better selectivity to molecules which contains more pi-electrons and more condensed cyclic moieties. The column efficiency was about 22 000 plates/m. The calixarene-bonded monolith also showed its good performances in separation of fullerenes and dihydropyridines, indicating a promising approach for purification of fullerenes with high purity from the carbon soot. (C) 2008 Elsevier B.V. All rights reserved.
KeywordP-tert-butylcalix[8]Arene Monolithic Column Fullerene Silica Monolith Calixarene
Indexed BySCI
WOS IDWOS:000255564500016
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Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorYang, Gengliang
Affiliation1.Chinese Acad Sci, Inst Chem, Lab Analyt Chem Life Sci, Beijing 100080, Peoples R China
2.Chinese Acad Sci, State Key Lab Environm Chem & Ecotoxicol, Ecoenvironm Sci Res Ctr, Beijing 10085, Peoples R China
3.Hebei Univ, Coll Pharm, Baoding 071002, Peoples R China
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GB/T 7714
Yin, Junfa,Wang, Lijuan,Wei, Xiaoyi,et al. p-tert-Butylcalix[8]arene-bonded silica monoliths for liquid chromatography[J]. JOURNAL OF CHROMATOGRAPHY A,2008,1188(2):199-207.
APA Yin, Junfa,Wang, Lijuan,Wei, Xiaoyi,Yang, Gengliang,&Wang, Hailin.(2008).p-tert-Butylcalix[8]arene-bonded silica monoliths for liquid chromatography.JOURNAL OF CHROMATOGRAPHY A,1188(2),199-207.
MLA Yin, Junfa,et al."p-tert-Butylcalix[8]arene-bonded silica monoliths for liquid chromatography".JOURNAL OF CHROMATOGRAPHY A 1188.2(2008):199-207.
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