By Euiz-Hitzky E., Ariga K., Lvov Yu. (eds.)
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The 1st NATO technological know-how discussion board was once held in Biarritz in September 1990. This Taormina convention is the second one in a chain that we want to be an extended one and that i think that it has equalled the good fortune of its predecessor. In developing those conferences the NATO technology Committee desired to assemble top specialists to study fields of sturdy current curiosity.
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This bionanohybrid material shows potential application in the development of biosensors and in trace chemical analysis . The same polysaccharide, chitosan, is involved in a new CdS quantum dots–chitosan bio-nanocomposite. In this case, the ability of chitosan to complex transition metal ions is used to entrap Cd2þ, followed by immersion of the resulting Cd2þ–chitosan ﬁlms in Na2S solution to yield the CdS semiconductor nanoparticles. The size of the formed quantum dots is limited by the polysaccharide, which also avoids agglomeration of the nanoparticles.
50) have been reported in the last few years. Some representative examples refer to microcomposites involving b-TCP in combination with structural proteins, polysaccharides or biodegradable polyesters such as collagen , chitosan  and PLA . Calcium phosphate cements are also used as scaffolds for bone regeneration due to their biocompatibility, being gradually replaced by new bone after implantation. Their assembly with biopolymers results in highly stable biocomposites in which adhesion, proliferation and viability of osteoblasts are enhanced.