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We present a new family of peptide dendrimers based on polyproline helices and cis-4-amino-L-proline as a branching unit. Dendrimers were synthesized by a convergent solid-phase peptide synthesis approach. The conformational transition between polyproline type I helix and polyproline type II helix was observed by circular dichroism in branched polyproline(More)
A synthetic method for the preparation of protein-like globular dendrimers derived from a combination of proline, glycine and imidazolidin ring as branching unit is described. The methodology allows the synthesis of novel peptide dendrimers up to fourth generation. Dendrimers were synthesized by a convergent solid-phase peptide synthesis approach. The(More)
Second-generation dendrimers have been prepared on solid phase by successive additions of branched polyproline building blocks starting from two different branching units anchored to the solid support. The preparation of Pro-rich building blocks was carried out by stepwise solid-phase synthesis and their iterative addition was performed by a convergent(More)
Austenitic steels can be used in a hybrid system in contact with liquid lead±bismuth eutectic if the region of operating temperatures is not beyond 400°C. For higher temperatures, martensitic steels are recommended. However, at long times, the interaction between the structural material and the eutectic leads to the dissolution of some elements of the steel(More)
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