Search Results - "Angiolillo, Paul J"
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Extreme electron polaron spatial delocalization in π-conjugated materials
Published in Proceedings of the National Academy of Sciences - PNAS (10-11-2015)“…The electron polaron, a spin-1/2 excitation, is the fundamental negative charge carrier in π-conjugated organic materials. Large polaron spatial dimensions…”
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On the Importance of Electronic Symmetry for Triplet State Delocalization
Published in Journal of the American Chemical Society (19-04-2017)“…The influence of electronic symmetry on triplet state delocalization in linear zinc porphyrin oligomers is explored by electron paramagnetic resonance…”
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Singlet and Triplet Excited States of Emissive, Conjugated Bis(porphyrin) Compounds Probed by Optical and EPR Spectroscopic Methods
Published in Journal of the American Chemical Society (26-07-2000)“…The nature of the singlet and triplet excited states of a series of meso-to-meso ethyne-linked bis(porphyrin) compounds was probed by electronic absorption,…”
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Impact of Electronic Asymmetry on Photoexcited Triplet-State Spin Distributions in Conjugated Porphyrin Oligomers Probed via EPR Spectroscopy
Published in The journal of physical chemistry. B (12-08-2004)“…The photophysics of triplet excitons in a series of electronically asymmetric “push−pull” π-conjugated meso-to-meso ethyne-bridged (porphinato)metal oligomers,…”
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Conjugated Chromophore Arrays with Unusually Large Hole Polaron Delocalization Lengths
Published in Journal of the American Chemical Society (05-07-2006)“…We report variable temperature X-band EPR spectroscopic data for the cation radical states of meso-to-meso ethyne-bridged (porphinato)zinc(II) (PZn n )…”
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Electron Spin Relaxation of Hole and Electron Polarons in π‑Conjugated Porphyrin Arrays: Spintronic Implications
Published in The journal of physical chemistry. B (18-06-2015)“…Electron spin resonance (ESR) spectroscopic line shape analysis and continuous-wave (CW) progressive microwave power saturation experiments are used to probe…”
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On thermionic emission and the use of vacuum tubes in the advanced physics laboratory
Published in American journal of physics (01-12-2009)“…Two methods are outlined for measuring the charge-to-mass ratio e / m e of the electron using thermionic emission as exploited in vacuum tube technology. One…”
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Observations of Stick-Slip Friction in Velcro
Published in Tribology letters (01-11-2014)“…Friction, and in particular stick-slip friction, occurs on every length scale, from the movement of atomic force microscope tips at the nanoscale to the…”
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Trends in triplet excitation delocalization in highly conjugated (porphinato)zinc(II) arrays probed by EPR spectroscopy
Published in Synthetic metals (01-01-2001)“…The lowest photoexcited metastable triplet state of a family of highly conjugated (porphinato)zinc(II) arrays in which ethyne, butadiyne, and octatetrayne…”
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Characterization, stability, and origin of natural radiation-induced defects in the biogenic calcite of Belemnitella americana from the Upper Cretaceous: An electron paramagnetic resonance study
Published in Radiation physics and chemistry (Oxford, England : 1993) (01-05-2008)“…The rostrum of Belemnitella americana (Morton) from the Marshalltown formation (Kmt, Upper Cretaceous) of the Chesapeake and Delaware Canal was investigated by…”
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"Physical Review Letters" in the Classroom
Published in The Physics teacher (01-12-2010)“…Ask any physicist what the preeminent journal in the field is, and I think the almost unanimous answer will be "Physical Review Letters" ("PRL"). This weekly…”
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Extreme electron polaron spatial delocalization in [pi]-conjugated materials
Published in Proceedings of the National Academy of Sciences - PNAS (10-11-2015)“…The electron polaron, a spin-1/2 excitation, is the fundamental negative charge carrier in ...-conjugated organic materials. Large polaron spatial dimensions…”
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13
Observations of Stick-Slip Friction in Velcro super( registered )
Published in Tribology letters (01-11-2014)“…Friction, and in particular stick-slip friction, occurs on every length scale, from the movement of atomic force microscope tips at the nanoscale to the…”
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14
The Photoexcited Triplet State as a Probe of Chromophore-Protein Interaction in Myoglobin
Published in Biophysical journal (01-09-1998)“…The photoexcited metastable triplet state of Mg 2+-mesoporphyrin IX (MgMPIX) or Mg 2+-protoporphyrin IX (MgPPIX) located in the heme pocket of horse myoglobin…”
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Hydrogen atoms are produced when tryptophan within a protein is irradiated with ultraviolet light
Published in Photochemistry and photobiology (01-09-1996)“…The UV photolysis of the aromatic amino acid, tryptophan (Trp), in the Ca(2+)-binding protein, cod parvalbumin, type III, was studied using electron…”
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Fluorescence line narrowing spectroscopy: a tool for studying proteins
Published in Methods in enzymology (1997)“…Perhaps the most important contribution of FLN is that it provides an experimental approach to relate physical changes in the protein to predicted dynamical…”
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Resolved fluorescence emission spectra of iron-free cytochrome c
Published in Photochemistry and photobiology (01-08-1982)Get more information
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