Search Results - "Frade, Vânia H.J."

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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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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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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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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