Surface grafting of glycidyl methacrylate on silica gel and polyethylene beads

Seong Ho Choi, Young Mi Hwang, Jae Jeong Ryoo, Kwang Pill Lee, Kazutoku Ohta, Toyohide Takeuchi, Ji Ye Jin, Chuzo Fujimoto

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Surface grafting of glycidyl methacrylate (GMA) on silica gel and a polyethylene bead was performed by radical polymerization and radiation-induced polymerization, respectively, in order to improve softness. Subsequently, diethylene triamine (DETA), triethylene tetraamine (TETA), and iminodiacetic acid (IDA) were introduced to the grafted GMA for use as affinity columns. The efficiency of the affinity column was investigated by use of bovine serum albumin (BSA) and hemoglobin (Hb) as model proteins. The affinity degree of BSA was higher than Hb for the DETA and TTA column, whereas the affinity degree of Hb was higher than BSA for the IDA column supported by silica gel. The affinity degree of BSA was higher than Hb for the DETA and TTA column supported by polyethylene (PE) beads.

Original languageEnglish
Pages (from-to)3181-3186
Number of pages6
JournalElectrophoresis
Volume24
Issue number18
DOIs
StatePublished - Sep 2003

Keywords

  • Affinity column
  • Bovine serum albumin
  • Efficiency
  • Glycidyl methacrylate
  • Hemoglobin
  • Surface grafting

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