Abstract
The amino(2-hydroxy)propyl ether derivative of agarose is obtained by treating the gel in 0.3 M NaOH with epibromohydrin at 30°C for 4 h, followed by a 16-h reaction with 1 M NH4OH. The derivative is nonionic and chemically stable. Established coupling methods can be used to attach biochemical substances to this amino-leash. A variety of reaction parameters have been studied to optimize the epibromohydrin reaction step. It is shown that the amino-leash agarose gel can be readily used to prepare hydrophobic sorbents, affinity sorbents, immobilized enzymes, and immunosorbents.
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Nishikawa, A.H., Bailon, P. Affinity purification methods IV. The amino(2-hydroxy)propyl ether-leash in bioselective sorbents. Journal of Solid-Phase Biochemistry 1, 33–49 (1976). https://doi.org/10.1007/BF03006135
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DOI: https://doi.org/10.1007/BF03006135