Citation: Yu Ping ZHANG, Wen Jun GONG, Li Qun FAN, Yi Jun ZHANG, Kwang Pill LEE. Novel Method of Preparation of Monolithic Columns for Fast Separation by γ-Ray Irradiation[J]. Chinese Chemical Letters, ;2006, 17(11): 1485-1488. shu

Novel Method of Preparation of Monolithic Columns for Fast Separation by γ-Ray Irradiation

1.
Henan Institute of Science and Technology, Xinxiang 453003;
2.
Department of Chemistry, Graduate School, Kyungpook National University, South Korea

Received Date: 30 August 2006

Fund Project: The financial support from the NSFC-KOSEF Scientific Cooperation Program, Program for New Century Talents of University in Henan Province, and Program for Backbone Teacher in Henan Province was acknowledged.

A porous monolithic sol-gel column with the solution of methacryloxypropyltrimethoxysilane in toluene with an acid catalyst was prepared in the presence and absence of sodium dodecyl sulfate. In situ polymerization was carried out by γ-ray irradiation within the capillary. The γ-radiation-initiated synthesis could generate radicals directly on the monomer avoiding use of any initiator. The chromatographic behavior of the capillary monolithic columns were studied in the modes of CEC, p-CEC and low pressure-driven separation, all the tests exhibited reversed-phase character. It provided a viable alternative to either thermally initiated or photo polymerization method for the preparation of monolithic columns.
- Monolithic columns,
- electrochromatography,
- γ-ray irradiation,
- polymerization
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