Search Results - "Di Valentin, Marilena"

Light‐Induced Pulsed EPR Dipolar Spectroscopy on a Paradigmatic Hemeprotein by Dal Farra, Maria Giulia, Richert, Sabine, Martin, Caterina, Larminie, Charles, Gobbo, Marina, Bergantino, Elisabetta, Timmel, Christiane R., Bowen, Alice M., Di Valentin, Marilena

“…Light‐induced pulsed EPR dipolar spectroscopic methods allow the determination of nanometer distances between paramagnetic sites. Here we employ orthogonal…”
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Water Oxidation at a Tetraruthenate Core Stabilized by Polyoxometalate Ligands: Experimental and Computational Evidence To Trace the Competent Intermediates by Sartorel, Andrea, Miró, Pere, Salvadori, Enrico, Romain, Sophie, Carraro, Mauro, Scorrano, Gianfranco, Valentin, Marilena Di, Llobet, Antoni, Bo, Carles, Bonchio, Marcella

“…Converging UV−vis, EPR, rRaman, and DFT calculations highlight the evolution of [Ru4(H2O)4(μ-O)4(μ−OH)2(γ-SiW10O36)2]10−, 1, to high-valent intermediates. In…”
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An unusual role for the phytyl chains in the photoprotection of the chlorophylls bound to Water-Soluble Chlorophyll-binding Proteins by Agostini, Alessandro, Palm, Daniel M., Schmitt, Franz-Josef, Albertini, Marco, Valentin, Marilena Di, Paulsen, Harald, Carbonera, Donatella

“…Water-Soluble Chlorophyll Proteins (WSCPs) from Brassicaceae are non-photosynthetic proteins which tetramerize upon binding four chlorophyll (Chl) molecules…”
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Solvent dependent triplet state delocalization in a co-facial porphyrin heterodimer by Ciuti, Susanna, Toninato, Jacopo, Barbon, Antonio, Zarrabi, Niloofar, Poddutoori, Prashanth K, van der Est, Art, Di Valentin, Marilena

“…The excited triplet state of a cofacial aluminum(III) porphyrin-phosphorus(V) porphyrin heterodimer is investigated using transient EPR spectroscopy and…”
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Primary donor triplet states of Photosystem I and II studied by Q-band pulse ENDOR spectroscopy by Niklas, Jens, Agostini, Alessandro, Carbonera, Donatella, Di Valentin, Marilena, Lubitz, Wolfgang

“…The photoexcited triplet state of the “primary donors” in the two photosystems of oxygenic photosynthesis has been investigated by means of electron-nuclear…”
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Detailed investigation of the binding abilities of the heterodomain of a multiHis cyclopeptide toward Cu(II) ions by Bortolus, Marco, Kotynia, Aleksandra, Saielli, Giacomo, Ruzza, Paolo, Di Valentin, Marilena, Carraro, Mauro, Brasuń, Justyna

“…Cyclopeptides hold significant relevance in various fields of science and medicine, due to their unique structural properties and diverse biological…”
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Similarity and Specificity of Chlorophyll b Triplet State in Comparison to Chlorophyll a as Revealed by EPR/ENDOR and DFT Calculations by Agostini, Alessandro, Dal Farra, Maria Giulia, Paulsen, Harald, Polimeno, Antonino, Orian, Laura, Di Valentin, Marilena, Carbonera, Donatella

“…An investigation of the photoexcited triplet state of chlorophyll (Chl) b has been carried out by means of electron nuclear double resonance, both in a frozen…”
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Electron spin polarization transfer induced by triplet-radical interactions in the weakly coupled regime by Dal Farra, Maria Giulia, Martin, Caterina, Bergantino, Elisabetta, Kandrashkin, Yuri E, van der Est, Art, Di Valentin, Marilena

“…We report the observation of electron spin polarization transfer from the triplet state of a porphyrin to a weakly coupled nitroxide radical in a mutant of…”
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Magnetophotoselection in the Investigation of Excitonically Coupled Chromophores: The Case of the Water-Soluble Chlorophyll Protein by Ciuti, Susanna, Agostini, Alessandro, Barbon, Antonio, Bortolus, Marco, Paulsen, Harald, Di Valentin, Marilena, Carbonera, Donatella

“…A magnetophotoselection (MPS) investigation of the photoexcited triplet state of chlorophyll a both in a frozen organic solvent and in a protein environment,…”
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Light-Induced Porphyrin-Based Spectroscopic Ruler for Nanometer Distance Measurements by Di Valentin, Marilena, Albertini, Marco, Dal Farra, Maria Giulia, Zurlo, Enrico, Orian, Laura, Polimeno, Antonino, Gobbo, Marina, Carbonera, Donatella

“…We present a novel pulsed electron paramagnetic resonance (EPR) spectroscopic ruler to test the performance of a recently developed spin‐labeling method based…”
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Erythrosin B as a New Photoswitchable Spin Label for Light-Induced Pulsed EPR Dipolar Spectroscopy by Bertran, Arnau, Morbiato, Laura, Aquilia, Sara, Gabbatore, Laura, De Zotti, Marta, Timmel, Christiane R., Di Valentin, Marilena, Bowen, Alice M.

“…We present a new photoswitchable spin label for light-induced pulsed electron paramagnetic resonance dipolar spectroscopy (LiPDS), the photoexcited triplet…”
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The Effect of Protein Conformational Flexibility on the Electronic Properties of a Chromophore by Spezia, Riccardo, Aschi, Massimiliano, Di Nola, Alfredo, Di Valentin, Marilena, Carbonera, Donatella, Amadei, Andrea

“…In this paper we address the question of how a protein environment can modulate the absorption spectrum of a chromophore during a molecular dynamics…”
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Photoprotective sites in the violaxanthin–chlorophyll a binding Protein (VCP) from Nannochloropsis gaditana by Carbonera, Donatella, Agostini, Alessandro, Di Valentin, Marilena, Gerotto, Caterina, Basso, Stefania, Giacometti, Giorgio Mario, Morosinotto, Tomas

“…Violaxanthin–chlorophyll a binding protein (VCP) is the major light harvesting complex (LHC) of the Heterokonta Nannochloropsis gaditana. It binds chlorophyll…”
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N-Heterocyclic Dicarbene Iridium(III) Catalysts Enabling Water Oxidation under Visible Light Irradiation by Volpe, Andrea, Sartorel, Andrea, Tubaro, Cristina, Meneghini, Laura, Di Valentin, Marilena, Graiff, Claudia, Bonchio, Marcella

“…Novel iridium(III) di‐NHC complexes have been synthesized by transmetalation of the dicarbene ligand from the corresponding dicarbene silver complex. The…”
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Chlorophyll triplet quenching by fucoxanthin in the fucoxanthin–chlorophyll protein from the diatom Cyclotella meneghiniana by Di Valentin, Marilena, Büchel, Claudia, Giacometti, Giorgio Mario, Carbonera, Donatella

“…► Fucoxanthin plays a photoprotective role in FCP by quenching Chl a triplet states. ► “Unquenched” triplet states belong to the red-most Chls in the complex…”
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Structural Changes of a Doubly Spin-Labeled Chemically Driven Molecular Shuttle Probed by PELDOR Spectroscopy by Franchi, Paola, Bleve, Valentina, Mezzina, Elisabetta, Schäfer, Christian, Ragazzon, Giulio, Albertini, Marco, Carbonera, Donatella, Credi, Alberto, Di Valentin, Marilena, Lucarini, Marco

“…Gaining detailed information on the structural rearrangements associated with stimuli‐induced molecular movements is of utmost importance for understanding the…”
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Photoinduced Long-Lived Charge Separation in a Tetrathiafulvalene−Porphyrin−Fullerene Triad Detected by Time-Resolved Electron Paramagnetic Resonance by Di Valentin, Marilena, Bisol, Arianna, Agostini, Giancarlo, Liddell, Paul A, Kodis, Gerdenis, Moore, Ana L, Moore, Thomas A, Gust, Devens, Carbonera, Donatella

“…Photoinduced electron transfer has been observed in a molecular triad, consisting of a porphyrin (P) covalently linked to a tetrathiafulvalene (TTF) and a…”
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The proton iron-sulfur cluster environment of the [FeFe]-hydrogenase maturation protein HydF from Thermotoga neapolitana by Albertini, Marco, Vallese, Francesca, Di Valentin, Marilena, Berto, Paola, Giacometti, Giorgio M., Costantini, Paola, Carbonera, Donatella

“…[FeFe]-hydrogenases contain a complex [4Fe–4S]-2Fe cluster (H-cluster) and are able to efficiently reduce protons to H2. Due to their potential exploitation…”
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Inside Back Cover: Structural Changes of a Doubly Spin-Labeled Chemically Driven Molecular Shuttle Probed by PELDOR Spectroscopy (Chem. Eur. J. 26/2016) by Franchi, Paola, Bleve, Valentina, Mezzina, Elisabetta, Schäfer, Christian, Ragazzon, Giulio, Albertini, Marco, Carbonera, Donatella, Credi, Alberto, Di Valentin, Marilena, Lucarini, Marco

“…The geometrical changes arising upon chemical switching of a doubly spin‐labeled [2]rotaxane, which behaves as an acid–base‐controlled molecular shuttle, were…”
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Identification of the Sites of Chlorophyll Triplet Quenching in Relation to the Structure of LHC-II from Higher Plants. Evidence from EPR Spectroscopy by Di Valentin, Marilena, Biasibetti, Federico, Ceola, Stefano, Carbonera, Donatella

“…The Chlorophyll a (Chl a) molecules involved in the triplet−triplet energy transfer to the central luteins in trimeric LHC-II are identified by time-resolved…”
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