User profiles for Sabrina Simoncelli
Sabrina SimoncelliLecturer - Department of Chemistry & LCN - University College London Verified email at ucl.ac.uk Cited by 734 |
Quantitative single-molecule surface-enhanced Raman scattering by optothermal tuning of DNA origami-assembled plasmonic nanoantennas
S Simoncelli, EM Roller, P Urban, R Schreiber… - ACS …, 2016 - ACS Publications
DNA origami is a powerful approach for assembling plasmonic nanoparticle dimers and
Raman dyes with high yields and excellent positioning control. Here we show how optothermal-…
Raman dyes with high yields and excellent positioning control. Here we show how optothermal-…
Nanoscale control of molecular self-assembly induced by plasmonic hot-electron dynamics
Self-assembly processes allow designing and creating complex nanostructures using
molecules as building blocks and surfaces as scaffolds. This autonomous driven construction is …
molecules as building blocks and surfaces as scaffolds. This autonomous driven construction is …
[HTML][HTML] Machine learning for cluster analysis of localization microscopy data
Quantifying the extent to which points are clustered in single-molecule localization
microscopy data is vital to understanding the spatial relationships between molecules in the …
microscopy data is vital to understanding the spatial relationships between molecules in the …
Imaging plasmon hybridization of Fano resonances via hot-electron-mediated absorption mapping
The inhibition of radiative losses in dark plasmon modes allows storing electromagnetic
energy more efficiently than in far-field excitable bright-plasmon modes. As such, processes …
energy more efficiently than in far-field excitable bright-plasmon modes. As such, processes …
[HTML][HTML] Synthesis, acid properties and catalysis by niobium oxide nanostructured materials
…, S Impellizzeri, C Fasciani, S Simoncelli… - Catalysis Science & …, 2014 - pubs.rsc.org
Several forms of niobium oxide were prepared, including nanostructured mesoporous
materials, and their acidity properties were comprehensively investigated and compared with …
materials, and their acidity properties were comprehensively investigated and compared with …
Purinergic GPCR-integrin interactions drive pancreatic cancer cell invasion
…, J Gibson, A Samadi, HM Kocher, S Simoncelli… - Elife, 2023 - elifesciences.org
Pancreatic ductal adenocarcinoma (PDAC) continues to show no improvement in survival
rates. One aspect of PDAC is elevated ATP levels, pointing to the purinergic axis as a potential …
rates. One aspect of PDAC is elevated ATP levels, pointing to the purinergic axis as a potential …
Monitoring plasmonic hot-carrier chemical reactions at the single particle level
Plasmon excitation in metal nanoparticles triggers the generation of highly energetic charge
carriers that, when properly manipulated and exploited, can mediate chemical reactions. …
carriers that, when properly manipulated and exploited, can mediate chemical reactions. …
[HTML][HTML] Quantitative super-resolution imaging for the analysis of GPCR oligomerization
…, E Tomas Bort, RP Grose, PJ McCormick, S Simoncelli - Biomolecules, 2021 - mdpi.com
G-protein coupled receptors (GPCRs) are known to form homo- and hetero- oligomers which
are considered critical to modulate their function. However, studying the existence and …
are considered critical to modulate their function. However, studying the existence and …
[PDF][PDF] Multi-color molecular visualization of signaling proteins reveals how C-terminal Src kinase nanoclusters regulate T cell receptor activation
Elucidating the mechanisms that controlled T cell activation requires visualization of the spatial
organization of multiple proteins on the submicron scale. Here, we use stoichiometrically …
organization of multiple proteins on the submicron scale. Here, we use stoichiometrically …
Excited state kinetics in crystalline solids: self-quenching in nanocrystals of 4, 4′-disubstituted benzophenone triplets occurs by a reductive quenching mechanism
G Kuzmanich, S Simoncelli, MN Gard… - Journal of the …, 2011 - ACS Publications
We report an efficient triplet state self-quenching mechanism in crystals of eight benzophenones,
which included the parent structure (1), six 4,4′-disubstituted compounds with NH 2 (2)…
which included the parent structure (1), six 4,4′-disubstituted compounds with NH 2 (2)…