| 释义 |
Sephadex Chem.|ˈsɛfədɛks|
A proprietary term for a preparation of dextran used for the separation and purification of chemicals on the basis of molecular size.
1959Trade Marks Jrnl. 16 Sept. 827/1 Sephadex... Polymers being chemical compounds for industrial use in the purification of chemical substances. Aktiebelaget Pharmacia..Sweden..11th March 1959. 1970[see dextran]. 1975Williams & Wilson Biologist's Guide to Princ. & Techniques Pract. Biochem. iii. 79 Cellulose derivatives (and Sephadex materials) have been used successfully in this way. 1978Nature 12 Oct. 565/2 It was reduced with sodium dithionite and then isolated in 0·01 M phosphate buffer (pH 7) by Sephadex chromatography. |