Research Article
Extraction of Dengue 2 Plasmid DNA Vaccine (pD2) from Cell Lysates by Aqueous Two-Phase Systems
Keila Aparecida Moreira,
Adilson Castro Chaves,
Ernesto Torres Marques,
Duarte Miguel Ferreira Prazeres,
Walter Mendes de Azevedo,
Ana Lucia Figueiredo Porto and Jose Luiz de Lima Filho