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Synthesis, characterization and evaluation of new polymers for thermo- precipitation of adenosine.

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  • معلومة اضافية
    • نبذة مختصرة :
      N-Isopropylacrylamide (NIPAM) and O-vinyladipoyl uridine were copolymerized in different feed molar ratios ca. 95:5 to 75:25, respectively. The resulting polymers were characterized by gel-permeation chromactography, differential scanning calorimeter and cloud point measurements. The number-average molecular weights of the copolymers were 1.6×104≈3.3×104. The lower critical solution temperature of the copolymer of NIPAM and uridine (95:5) decreases up to 29 °C, compared to that of poly(NIPAM) which remains at 33 °C. These polymers exhibited greater than 80% precipitation of adenosine with 60% efficiency of recovery. [ABSTRACT FROM AUTHOR]