Fractionation and characterization of a conjugate between a polymeric drug-carrier and the anti-tumor drug Camptothecin (Articolo in rivista)

Type
Label
  • Fractionation and characterization of a conjugate between a polymeric drug-carrier and the anti-tumor drug Camptothecin (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Alternative label
  • Mendichi R. 1, Rizzo V. 2, Gigli M. 3, Giacometti Schieroni A. 4 (2002)
    Fractionation and characterization of a conjugate between a polymeric drug-carrier and the anti-tumor drug Camptothecin
    in Bioconjugate chemistry
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Mendichi R. 1, Rizzo V. 2, Gigli M. 3, Giacometti Schieroni A. 4 (literal)
Pagina inizio
  • 1253 (literal)
Pagina fine
  • 1258 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 13 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1, 4 per lo Studio delle Macromolecole (CNR), Via E. Bassini 15, 20133 Milan, Italy. 2, 3 Pharmacia, Viale Pasteur 10, 20014 Nerviano (MI), Italy. (literal)
Titolo
  • Fractionation and characterization of a conjugate between a polymeric drug-carrier and the anti-tumor drug Camptothecin (literal)
Abstract
  • A conjugate between the antitumor drug camptothecin and the polymeric drug-carrier Poly[N-(2-hydroxypropyl)methacrylamide)] was synthesized and fractionated. The conjugate sampleswere characterized with a multi- detector SEC system using three on-line detectors: a multi-angle light scattering, a viscometer and a refractometer. The used mobile phase (DMF+0.01M LiBr+0.05M CH3COOH) derives from previous experience with similar conjugates. Narrow molar mass distribution fractions of the conjugate obtained by means of a semi-preparative LC system were used to derive the coefficients of the Mark-Houwink-Sakurada relationship and to check the universal calibration of the SEC system. This study has demonstrated that the conjugate elutes according to the hydrodynamic volume. Thus a conventional SEC method that uses only an on-line refractometer detector, commercially available narrow standards and the universal calibration is adequate to the characterization of the molar mass distribution. Also the size and the conformation of the conjugate were studied by means of the gyration radius-molar mass power law. (literal)
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