Search Results - "Moura, João P"

Integrated Optomechanical Arrays of Two High Reflectivity SiN Membranes by Gärtner, Claus, Moura, João P, Haaxman, Wouter, Norte, Richard A, Gröblacher, Simon

“…Multielement cavity optomechanics constitutes a direction to observe novel effects with mechanical resonators. Several exciting ideas include superradiance,…”
Get full text

Centimeter-scale suspended photonic crystal mirrors by Moura, João P, Norte, Richard A, Guo, Jingkun, Schäfermeier, Clemens, Gröblacher, Simon

“…Demand for lightweight, highly reflective and mechanically compliant mirrors for optics experiments has seen a significant surge. In this aspect, photonic…”
Get full text

Optical Inclinometer Based on a Phase-Shifted Bragg Grating in a Taper Configuration by Moura, Joao P., Silva, Susana O., Becker, Martin, Rothhardt, M., Bartelt, Hartmut, Santos, Jose Luis, Frazao, Orlando

“…A simple optical inclinometer based on a phase-shifted Bragg grating in a taper configuration is proposed. Two phase-shifted fiber Bragg gratings were…”
Get full text

Decontamination of wastewater containing contaminants of emerging concern by electrooxidation and Fenton-based processes – A review on the relevance of materials and methods by Santos, Mauro C., Antonin, Vanessa S., Souza, Felipe M., Aveiro, Luci R., Pinheiro, Victor S., Gentil, Tuani C., Lima, Thays S., Moura, João P.C., Silva, Carolina R., Lucchetti, Lanna E.B., Codognoto, Lucia, Robles, Irma, Lanza, Marcos R.V.

“…In recent years, there has been an increasingly growing interest regarding the use of electrochemical advanced oxidation processes (EAOPs) which are considered…”
Get full text

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…”
Get full text

Improved photoelectrocatalytic properties of ZnO/CuWO4 heterojunction film for RhB degradation by Moura, João P.C., Reis, Roberta Y.N., Lima, Aline E.B., Santos, Reginaldo S., Luz, Geraldo E.

“…[Display omitted] •ZnO/CuWO4 film had a better photoelectrochemical response than ZnO and CuWO4 films.•CuWO4 incorporation into ZnO nanorods improves the…”
Get full text

Electrocatalytic hydrogen peroxide generation using WO3 nanoparticle-decorated sodium niobate microcubes by Antonin, Vanessa S., Souza, Felipe M., Pinheiro, Victor S., Moura, João P.C., Trench, Aline B., Fernandes, Caio Machado, Lanza, Marcos R.V., Santos, Mauro C.

“…[Display omitted] •NaNbO3 microcubes adorned with WO3 nanoparticles on carbon for H2O2 electrogeneration.•WO3 enhances acidity, boosts hydrophilicity, and…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

Integrated optomechanical arrays of two high reflectivity SiN membranes by Gärtner, Claus, Moura, João P, Haaxman, Wouter, Norte, Richard A, Gröblacher, Simon

“…Nano Lett. 18, 7171 (2018) Multi-element cavity optomechanics constitutes a direction to observe novel effects with mechanical resonators. Several exciting…”
Get full text

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.

Get full text

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…”
Get full text

Mechanical Resonators for Quantum Optomechanics Experiments at Room Temperature by Norte, Richard A, Moura, Joao P, Gröblacher, Simon

“…Phys. Rev. Lett. 116, 147202 (2016) All quantum optomechanics experiments to date operate at cryogenic temperatures, imposing severe technical challenges and…”
Get full text

Centimeter-scale suspended photonic crystal mirrors by Moura, Joao P, Norte, Richard A, Guo, Jingkun, Schäfermeier, Clemens, Gröblacher, Simon

“…Opt. Express 26, 1895-1909 (2018) Demand for lightweight, highly reflective and mechanically compliant mirrors for optics experiments has seen a significant…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text

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…”
Get full text