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The Plant Specific Insert (PSI) and its Molecular Role in Protein Sorting

Peixoto, Bruno Alexandre Teixeira

A particular characteristic of plant aspartic proteinases is the presence of an approximately 100 amino-acids long insertion, highly homologous to both saposins and saposin-like proteins and whose physiological function is currently unknown – the Plant Specific Insert (PSI). This PSI domain is characterized by a closely packed globular structure comprised by five amphipathic α-helices linked to each other by th...


Production and photoactivity spectrum of Ni/TiO2 core shell nanoparticles

Coutinho, Paulo J. G.; Peixoto, Bruno; Kabir, R.; Schellenberg, Peter

In this work, Ni nanoparticles were obtained by laser ablation of a Nickel target with femtosecond pulses from a Ti-Sapphire laser in an aqueous media. Subsequently, these nanoparticles were isolated and covered with TiO2.


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Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia