In situ preparation of nanocrystalline γ-Fe2O3 in iron(II) cross-linked alginate gels

Chemistry of Materials

Volumn 8, Issue 8, 1996, Pages 1594-1596

  Kroll, Elizabeth ^a   Winnik, Françoise M ^a   Ziolo, Ronald F ^b  

^a MCMASTER UNIVERSITY   (Canada)

^b XEROX CORPORATION   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000653690     PISSN: 08974756     EISSN: None     Source Type: Journal    
DOI: 10.1021/cm960095x     Document Type: Article

References (17)

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5. Marchessault, R. H.; Ricard, S.; Rious, P. Carbohydr. Res. 1992, 224, 133. Raymond, L.; Revol, J.-F.; Marchessault, R. H.; Ryan, D. H. Polymer 1995, 36, 5035.
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8. See, for example: Gandhi, M. V.; Thomspon, B. S. In: Smart Materials and Structures; Chapman & Hall: London, 1992. Klapcínski, T.; Galeski, A.; Kryszewski, M. J. Appl. Pol. Sci. 1995, 58, 1007.
9. Ziolo, R. F.; Giannelis, E. P.; Weinstein, B. A.; O'Horo, M.; Ganguly, B. N.; Mehrotra, V.; Russell, M. W.; Huffman, D. R. Science 1992, 257, 219.
10. Saywell, L. G.; Cunningham, B. B. Ind. Eng. Chem. 1937, 9, 67. Mellon, M. G. Ind. Eng. Chem. 1938, 10, 60.
11. Saywell, L. G.; Cunningham, B. B. Ind. Eng. Chem. 1937, 9, 67. Mellon, M. G. Ind. Eng. Chem. 1938, 10, 60.
12. Raymond, L.; Revol, J. R.; Ryan, D. H.; Marchessault, R. H. Chem. Mater. 1994, 6, 249.
13. As suggested by a referee, the pH-induced changes in volume need not indicate cross-linking of the oxide to the alginate. Even if the iron oxide is only embedded in the gel, pH changes will induce changes in the charge of both the gel and the hydroxylated surface of the oxide, which will affect the volume of the beads.
14. Harris, M.; Herp, A.; Pigman, W. Arch. Biochem. Biophys. 1971, 142, 615.
15. Iron analysis in combination with magnetic data suggest that about 10% of the iron exists in a nonmagnetic form of iron oxide, such as α-FeOOH.
16. Smidsrod, O. Discuss. Faraday Soc. 1974, 57, 263.
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