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Introduction to Nanotechnology

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1 L+~-&Iq#J<br />

FURTHER READING 331<br />

+ + +<br />

1<br />

+<br />

g-p I-%<br />

+-<br />

+- - -+<br />

+ +- -<br />

+<br />

+ - - +++<br />

+<br />

g -3 g<br />

+ \%<br />

+ -<br />

+<br />

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Figure 12.16. Sketch of the sequential adsorption process for the formation of a polyion film.<br />

The upper figure shows a positively charged substrate (left) that has adsorbed a negatively<br />

charged polyelectrolyte by being dipped in<strong>to</strong> a negative electrolyte solution (center), and then<br />

adsorbed a positively charged layer from a positive electrolyte solution (right). The lower figure<br />

shows two additional steps in the sequential adsorption process. [From T. M. Cooper, in Nalwa<br />

(2000), Vol. 5, Chapter 13, p. 720.1<br />

charged polyion sheets. The nature of the layering can be controlled by varying the<br />

types of electrolytes in the successive solutions.<br />

FURTHER READING<br />

T. M. Cooper, “Biometric Thin-Films”, in Nalwa (2000), Vol. 5, Chapter 13, p. 711.<br />

T. J. Deming, v1 P. Conticello, and D. A. Tirrell, in <strong>Nanotechnology</strong>, G. Tirnp, ed., Spnnger-<br />

Verlag, Berlin, 1999, Chapter 9.<br />

M. Gross, Travels <strong>to</strong> the Nanoworld, Plenum, New York, 1999.<br />

S. S. Mader, Biology, McGraw-Hill, Bos<strong>to</strong>n, 200 1.<br />

E. Nakache, N. Poulain, F. Candau. A. M. Orecchioni, and J. M. Irache, “Biopolymer and<br />

Polymer Nanoparticles and their Biomedical Applications”, in Nalwa (2000), Vol. 5,<br />

Chapter I I, p. 577.<br />

H. S. Nalwa, ed., Handbook of Nanostructured Materials and <strong>Nanotechnology</strong>, Vol. 5,<br />

Organics, Polymers and Biological Compounds, Academic Press, Bos<strong>to</strong>n, 2000.<br />

D. A. Tirrell, ed., Hierarchical Structures in Biology as a Guide for New Materials Technology,<br />

National Academy Press, Washing<strong>to</strong>n DC, 1994.

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