Search Results - "Paulo, Pedro M R"

Resonant Plasmonic Enhancement of Single-Molecule Fluorescence by Individual Gold Nanorods by Khatua, Saumyakanti, Paulo, Pedro M. R, Yuan, Haifeng, Gupta, Ankur, Zijlstra, Peter, Orrit, Michel

“…Enhancing the fluorescence of a weak emitter is important to further extend the reach of single-molecule fluorescence imaging to many unexplored systems. Here…”
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Chemical Interface Damping in Single Gold Nanorods and Its Near Elimination by Tip-Specific Functionalization by Zijlstra, Peter, Paulo, Pedro M. R., Yu, Kuai, Xu, Qing-Hua, Orrit, Michel

“…Tip‐functionalized nanorods: Single‐particle spectroscopy shows that functionalization of small gold nanorods with thiol groups leads to a broadening of the…”
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Optical detection of single non-absorbing molecules using the surface plasmon resonance of a gold nanorod by Zijlstra, Peter, Paulo, Pedro M. R., Orrit, Michel

“…Existing methods for the optical detection of single molecules require the molecules to absorb light to produce fluorescence 1 or direct absorption signals 2 ,…”
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Stress-induced protein disaggregation in the endoplasmic reticulum catalysed by BiP by Melo, Eduardo Pinho, Konno, Tasuku, Farace, Ilaria, Awadelkareem, Mosab Ali, Skov, Lise R., Teodoro, Fernando, Sancho, Teresa P., Paton, Adrienne W., Paton, James C., Fares, Matthew, Paulo, Pedro M. R., Zhang, Xin, Avezov, Edward

“…Protein synthesis is supported by cellular machineries that ensure polypeptides fold to their native conformation, whilst eliminating misfolded, aggregation…”
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Reorganization of Self-Assembled Dipeptide Porphyrin J-Aggregates in Water–Ethanol Mixtures by Teixeira, Raquel, Andrade, Suzana M, Vaz Serra, Vanda, Paulo, Pedro M. R, Sánchez-Coronilla, Antonio, Neves, Maria G. P. M. S, Cavaleiro, José A. S, Costa, Sílvia M. B

“…The self-assembly of a neutral meso-methoxyphenylporphyrin functionalized with a dipeptide glycilglycine substituent (MGG) in water and in water–ethanol…”
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Fluorescence Spectroscopy of Porphyrins and Phthalocyanines: Some Insights into Supramolecular Self-Assembly, Microencapsulation, and Imaging Microscopy by Teixeira, Raquel, Serra, Vanda Vaz, Botequim, David, Paulo, Pedro M. R., Andrade, Suzana M., Costa, Sílvia M. B.

“…The molecular interactions of anionic tetrasulfonate phenyl porphyrin (TPPS) with poly(amido amine) (PAMAM) dendrimers of generation 2.0 and 4.0 (G2 and G4,…”
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Tip-Specific Functionalization of Gold Nanorods for Plasmonic Biosensing: Effect of Linker Chain Length by Paulo, Pedro M. R, Zijlstra, Peter, Orrit, Michel, Garcia-Fernandez, Emilio, Pace, Tamara C. S, Viana, Ana S, Costa, Sílvia M. B

“…Gold nanorods are promising platforms for label-free biosensing. We have functionalized gold nanorods with biotin thiol linkers of increasing chain length and…”
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Co-localization and crosstalk between CD44 and RHAMM depend on hyaluronan presentation by Carvalho, Ana M., Soares da Costa, Diana, Paulo, Pedro M.R., Reis, Rui L., Pashkuleva, Iva

“…CD44 and the receptor for hyaluronic acid-mediated motility (RHAMM) are the main hyaluronan (HA) receptors. They are commonly overexpressed in different…”
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Extreme Enhancement of Single-Molecule Fluorescence from Porphyrins Induced by Gold Nanodimer Antennas by Francisco, Alexandra P, Botequim, David, Prazeres, Duarte M. F, Serra, Vanda V, Costa, Sílvia M. B, Laia, César A. T, Paulo, Pedro M. R

“…Porphyrins are typically weak emitters, which presents challenges to their optical detection by single-molecule fluorescence microscopy. In this contribution,…”
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Fluorescent dye nano-assemblies by thiol attachment directed to the tips of gold nanorods for effective emission enhancement by Botequim, David, Silva, Inês I R, Serra, Sofia G, Melo, Eduardo P, Prazeres, Duarte M F, Costa, Sílvia M B, Paulo, Pedro M R

“…The conjugation of dye-labelled DNA oligonucleotides with gold nanorods has been widely explored for the development of multifunctional fluorescent nanoprobes…”
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Monitoring Proteolytic Activity in Real Time: A New World of Opportunities for Biosensors by Oliveira-Silva, Rui, Sousa-Jerónimo, Mariana, Botequim, David, Silva, Nuno J.O., Paulo, Pedro M.R., Prazeres, Duarte M.F.

“…Proteases play a pivotal role in several biological processes, from digestion, cell proliferation, and differentiation to fertility. Deregulation of protease…”
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Deswelling and Electrolyte Dissipation in Free Diffusion of Charged PAMAM Dendrimers by Garcia-Fernandez, Emilio, Paulo, Pedro M. R

“…The diffusion coefficient of charged PAMAM dendrimers was measured by fluorescence correlation spectroscopy in aqueous solution at submicromolar…”
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Photothermal Correlation Spectroscopy of Gold Nanoparticles in Solution by Paulo, Pedro M. R, Gaiduk, Alexander, Kulzer, Florian, Krens, S. F. Gabby, Spaink, Herman P, Schmidt, Thomas, Orrit, Michel

“…We demonstrate correlation analysis of the photothermal signal from gold nanoparticles diffusing in solution. Our experimental setup is primarily optimized for…”
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Yeast Sphingolipid-Enriched Domains and Membrane Compartments in the Absence of Mannosyldiinositolphosphorylceramide by Bento-Oliveira, Andreia, Santos, Filipa C, Marquês, Joaquim Trigo, Paulo, Pedro M R, Korte, Thomas, Herrmann, Andreas, Marinho, H Susana, de Almeida, Rodrigo F M

“…The relevance of mannosyldiinositolphosphorylceramide [M(IP) C] synthesis, the terminal complex sphingolipid class in the yeast , for the lateral organization…”
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Merging Porphyrins with Gold Nanorods: Self Assembly Construct to High Fluorescent Polyelectrolyte Microcapsules by Serra, Vanda Vaz, Serra, Sofia G, Vallejo, Mariana C S, Paulo, Pedro M R, Moura, Nuno M M, Botequim, David, Neves, Maria Graça P M S, Costa, Sílvia M B

“…Dual probe porphyrin-gold nanorod polyelectrolyte microcapsules were developed to explore the enhancing effects of a plasmonic interface of self-assembled gold…”
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Plasmon-Enhanced Emission of a Phthalocyanine in Polyelectrolyte Films Induced by Gold Nanoparticles by Teixeira, Raquel, Paulo, Pedro M. R, Viana, Ana S, Costa, Sílvia M. B

“…We report on the plasmon-enhanced fluorescence emission achieved in an organic/inorganic hybrid multilayered polyelectrolyte film incorporating aluminum…”
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Molecular Dynamics Simulations of Charged Dendrimers:  Low-to-Intermediate Half-Generation PAMAMs by Paulo, Pedro M. R, Lopes, José N. Canongia, Costa, Sílvia M. B

“…We have performed atomistic molecular dynamics simulations of PAMAM dendrimers of generations 0.5, 1.5, 2.5, 3.5, and 4.5. The simulated systems comprise the…”
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Density Gradient Selection of Colloidal Silver Nanotriangles for Assembling Dye-Particle Plasmophores by Oliveira-Silva, Rui, Sousa-Jerónimo, Mariana, Botequim, David, Silva, Nuno J O, Prazeres, Duarte M F, Paulo, Pedro M R

“…A simple method based on sucrose density gradient centrifugation is proposed here for the fractionation of colloidal silver nanotriangles. This method afforded…”
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Interactions in Noncovalent PAMAM/TMPyP Systems Studied by Fluorescence Spectroscopy by Paulo, Pedro M. R, Costa, Sílvia M. B

“…Steady-state absorption and emission spectroscopy and time-resolved fluorescence measurements were employed in the study of…”
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Molecular Dynamics Simulations of Porphyrin−Dendrimer Systems: Toward Modeling Electron Transfer in Solution by Paulo, Pedro M. R, Lopes, José N. Canongia, Costa, Sílvia M. B

“…We have performed computational simulations of porphyrin−dendrimer systemsa cationic porphyrin electrostatically associated to a negatively charged…”
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