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22 June 2007Permeability adjustment of polyelectrolyte micro- and nanocapsules by laser irradiation
B. V. Parakhonskiy,1,2 T. V. Bukreeva,1 G. V. Parakhonskiy,1,2 A. G. Skirtach,3 G. B. Sukhorukov,1,4 N. G. Klebtsov,5 L. A. Feigin,1 M. V. Kovalchuk1
1Shubnikov Institute of Crystallography (Russia) 2Moscow State Univ. (Russia) 3Max Planck Institute of Colloids and Interfaces (Germany) 4Queen Mary Univ. of London (United Kingdom) 5Institute of Biochemistry and Physiology of Plants and Microorganisms (Russia)
Laser radiation was used for permeability increase up to destroy of polyelectrolyte capsules. Silver and gold nanoparticles was synthesized and incorporated into capsule shells to attain the sensitivity of microcapsules to laser radiation. Lasers of different power and wavelength were used. The sensitivity of nanocomposite shell to laser radiation can be controlled by nanoparticle shape, content and distribution into the shell.
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B. V. Parakhonskiy, T. V. Bukreeva, G. V. Parakhonskiy, A. G. Skirtach, G. B. Sukhorukov, N. G. Klebtsov, L. A. Feigin, M. V. Kovalchuk, "Permeability adjustment of polyelectrolyte micro- and nanocapsules by laser irradiation," Proc. SPIE 6536, Saratov Fall Meeting 2006: Coherent Optics of Ordered and Random Media VII, 653605 (22 June 2007);