Search Results - "Moura, João C. V. P."

Synthesis of naphtho[2,3- a]phenoxazinium chlorides: Structure–activity relationships of these heterocycles and benzo[ a]phenoxazinium chlorides as new antimicrobials by Frade, Vânia H.J., Sousa, Maria J., Moura, João C.V.P., Gonçalves, M. Sameiro T.

“…Synthesised functionalised naphtho[2,3- a]phenoxazinium chlorides revealed great fluorescence with maximum emission wavelengths between 630 and 676 nm, in…”
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Chromophoric Azo Reagents for Amino Acid and Peptide Labelling by Fraga, Susana M. B., Gonçalves, Maria S. T., Moura, João C. V. P., Rani, Kavitha

“…Four carboxylic azo dyes, with spectroscopic absorption peaks ranging from 400 to 500 nm, are presented as new markers for amino acid and peptide labelling at…”
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5′-Alkoxy-2,2′-bithiophene azo dyes: a novel promising series of NLO-chromophores by Raposo, M. Manuela M., Ferreira, Ana M.F.P., Belsley, M., Moura, João C.V.P.

“…A series of bithienyl azo dyes have been prepared from their corresponding coupling components, 5-alkoxy-2,2′-bithiophenes. The solvatochromic behaviour of the…”
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Novel photochromic 2,2′-bithiophene azo dyes by Coelho, Paulo J., Carvalho, Luis M., Moura, João C.V.P., Raposo, M. Manuela M.

“…The photochromic properties and colour constancy of two series of 2,2′-bithiophene azo dyes in THF solution were strongly dependent on the substitution pattern…”
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Erratum to “The synthesis and characterization of heterocyclic azo dyes derived from 5- N, N-dialkylamino-2,2′-bithiophene couplers” [ Dyes Pigments 83 (2009) 59–65] by Raposo, M. Manuela M., Ferreira, Ana M.F.P., Amaro, Mariana, Belsley, M., Moura, João C.V.P.

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Synthesis and fluorescence properties of side-chain carboxylated 5,9-diaminobenzo[ a]phenoxazinium salts by Frade, Vânia H.J., Gonçalves, M. Sameiro T., Moura, João C.V.P.

“…[Display omitted] The efficient synthesis of a series of novel side-chain carboxylated 5,9-diaminobenzo[ a]phenoxazinium salts is described. The ring system…”
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Functionalised benzo[ a]phenoxazine dyes as long-wavelength fluorescent probes for amino acids by Frade, Vânia H.J., Coutinho, Paulo J.G., Moura, João C.V.P., Gonçalves, M. Sameiro T.

“…A series of monoreactive functional benzo[ a]phenoxazinium chlorides with a carboxyl, hydroxyl, amine or chloromethyl group were used as labels in the…”
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The synthesis and characterization of heterocyclic azo dyes derived from 5- N, N-dialkylamino-2,2′-bithiophene couplers by Raposo, M. Manuela M., Ferreira, Ana M.F.P., Amaro, Mariana, Belsley, M., Moura, João C.V.P.

“…Heterocyclic azo dyes were synthesized by diazotation of several substituted anilines and coupling with 5- N, N-dialkylamino-2,2′-bithiophenes to give…”
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Synthesis and spectral properties of long-wavelength fluorescent dyes by Frade, Vânia H.J., Gonçalves, M. Sameiro T., Coutinho, Paulo J.G., Moura, João C.V.P.

“…Benzo[ a]phenoxazinium salts were synthesised by reacting 5-alkylamino-2-nitrosophenol hydrochloride with N-alkylated-naphthylamine in good to excellent…”
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Synthesis of short and long-wavelength functionalised probes: amino acids' labelling and photophysical studies by Frade, Vânia H.J., Barros, Síria A., Moura, João C.V.P., Coutinho, Paulo J.G., Gonçalves, M. Sameiro T.

“…Fluorescent labelling of α-amino acids at their N or C terminals in the main and lateral chains at short and long wavelengths was carried out in different…”
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Synthesis, characterisation and antimicrobial activity of new benzo[ a]phenoxazine based fluorophores by Frade, Vânia H.J., Sousa, Maria J., Moura, João C.V.P., Gonçalves, M. Sameiro T.

“…Reagents and conditions: (a) DCC/HOBt, rt; (b) 1 M NaOH/H 2O, 0 °C and rt. N-[5-(3-Aminopropylamino)-10-methyl-9 H-benzo[ a]phenoxazin-9-ylidene]ethanaminium…”
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Synthesis of fluorescent water-soluble functionalised benzo[ a]phenoxazinium salts by Frade, Vânia H.J., Gonçalves, M. Sameiro T., Moura, João C.V.P.

“…In order to develop long-wavelength functionalised oxazine dyes with good water solubility and high photostability for biological applications, a series of…”
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Fluorescence derivatisation of amino acids in short and long-wavelengths by Frade, Vânia H.J., Barros, Síria A., Moura, João C.V.P., Gonçalves, M. Sameiro T.

“…3-(Naphthalen-1-ylamino)propanoic acid was coupled to the amino group of the main and lateral chains of various amino acids in order to evaluate its…”
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Reaction of carboxylic dyes with wool and polyamide. Part III: Effect of the activating agent by Gonçalves, M.S.T., Oliveira-Campos, A.m.F., Moura, J.C.V.P., Maia, H.L.S., Gomes, J.I.N.R., Hrdina, R.

“…Dyes containing a carboxylic acid group had been shown to react with wool and polyamide fibres when activated with ethyl chloroformate (Parts I and II). One of…”
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