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New 1,3-diarylureas linked by C-C Suzuki coupling to the methyl 3-aminothieno[3...
Queiroz, Maria João R. P.; Peixoto, Daniela; Rodrigues, Ana Rita O.; Mendes, Pedro M. F.; Costa, Cátia N. C.; Coutinho, Paulo J. G.New six fluorescent 1,3-diarylureas linked by C-C Suzuki coupling to the 6-position of the methyl 3-aminothieno[3,2-b]pyridine-2-carboxylate moiety were prepared by reaction of the amino groups on the ortho or meta positions relative to the C-C bond of the Suzuki coupling products, with different para-substituted arylisocyanates (H, OMe, CN), in high to excellent yields. The fluorescence properties of the 1,3-d...
Magnetoliposomes based on magnetite nanoparticles
Castanheira, Elisabete M. S.; Mendes, Pedro M. F.; Coutinho, Paulo J. G.; Almeida, B. G.; Gomes, I.Tarroso; Araújo, J. P.In this work, magnetic nanoparticles of magnetite were prepared by soft chemical methods, using different surfactants as templating media. These nanoparticles were either covered with a lipid bilayer, forming dry magnetoliposomes, or entrapped in liposomes - aqueous magnetoliposomes.
Fluorescence studies on new potential antitumoral 1,3-diarylurea derivatives in...
Rodrigues, Ana Rita O.; Mendes, Pedro M. F.; Castanheira, Elisabete M. S.; Coutinho, Paulo J. G.; Peixoto, Daniela; Queiroz, Maria João R. P.Magnetic nanoparticles of magnetite and of nickel core with silica shell were prepared and either covered with a lipid bilayer or entrapped in liposomes, forming magnetoliposomes. New potential antitumoral 1,3-diarylurea derivatives of thieno[3,2-b]pyridines were then encapsulated in liposomes and magnetoliposomes and their photophysical behavior was investigated.
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