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Purification, HPGPC, electrophoresis, and IR spectrum of the clam heparinoid (G15). (A) C. antiquata heparinoid was purified with AMBERLITE FPA98 CI and eluted with 1, 1.5, and 3.5 M NaCl. The fractions eluted with 1.5 M NaCl were collected and designated as G15; (B) HPGPC chromatogram of G15; and (C) cellulose acetate electrophoresis of G15. Reference substances: Mammalian heparin (HP), Chondroitin sulfate (CS), Dermatin sulfate (DS). (D) Infrared spectrum of G15.
