Search Results - "MAURINO, Valter"

Indirect Photochemistry in Sunlit Surface Waters: Photoinduced Production of Reactive Transient Species by Vione, Davide, Minella, Marco, Maurino, Valter, Minero, Claudio

“…This paper gives an overview of the main reactive transient species that are produced in surface waters by sunlight illumination of photoactive molecules…”
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Glycerol as a probe molecule to uncover oxidation mechanism in photocatalysis by Minero, Claudio, Bedini, Andrea, Maurino, Valter

“…[Display omitted] ► Glycerol is a probe to assess different aspect of photocatalytic reaction rates. ► Single site photocatalysis is ruled out. ► Reactivity in…”
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Machine learning approach for elucidating and predicting the role of synthesis parameters on the shape and size of TiO2 nanoparticles by Pellegrino, Francesco, Isopescu, Raluca, Pellutiè, Letizia, Sordello, Fabrizio, Rossi, Andrea M., Ortel, Erik, Martra, Gianmario, Hodoroaba, Vasile-Dan, Maurino, Valter

“…In the present work a series of design rules are developed in order to tune the morphology of TiO 2 nanoparticles through hydrothermal process. Through a…”
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Optical and Photochemical Characterization of Chromophoric Dissolved Organic Matter from Lakes in Terra Nova Bay, Antarctica. Evidence of Considerable Photoreactivity in an Extreme Environment by De Laurentiis, Elisa, Buoso, Sandro, Maurino, Valter, Minero, Claudio, Vione, Davide

“…Water samples from shallow lakes located in Terra Nova Bay, Antarctica, were taken in the austral summer season and characterized for chemical composition,…”
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Photochemical Fate of Carbamazepine in Surface Freshwaters: Laboratory Measures and Modeling by De Laurentiis, Elisa, Chiron, Serge, Kouras-Hadef, Sofia, Richard, Claire, Minella, Marco, Maurino, Valter, Minero, Claudio, Vione, Davide

“…It is shown here that carbamazepine (CBZ) would undergo direct photolysis and reaction with •OH as the main phototransformation pathways in surface waters…”
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Development of Highly Photoactive Mixed Metal Oxide (MMO) Based on the Thermal Decomposition of ZnAl-NO3-LDH by Asghar, Humaira, Maurino, Valter, Iqbal, Muhammad Ahsan

“…The highly crystalline ZnAl layered double hydroxides (ZnAl-NO3-LDHs) are utilized for the potential transformation into mixed metal oxides (MMOs) through…”
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Photochemical Formation of Nitrite and Nitrous Acid (HONO) upon Irradiation of Nitrophenols in Aqueous Solution and in Viscous Secondary Organic Aerosol Proxy by Barsotti, Francesco, Bartels-Rausch, Thorsten, De Laurentiis, Elisa, Ammann, Markus, Brigante, Marcello, Mailhot, Gilles, Maurino, Valter, Minero, Claudio, Vione, Davide

“…Irradiated nitrophenols can produce nitrite and nitrous acid (HONO) in bulk aqueous solutions and in viscous aqueous films, simulating the conditions of a…”
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Influence of redox conditions and rice straw incorporation on nitrogen availability in fertilized paddy soils by Cucu, Maria Alexandra, Said-Pullicino, Daniel, Maurino, Valter, Bonifacio, Eleonora, Romani, Marco, Celi, Luisella

“…Temporal nitrogen (N) availability in fertilized rice paddies is the result of a balance of processes, mainly the gross rates of N mineralization, microbial…”
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A model assessment of the importance of direct photolysis in the photo-fate of cephalosporins in surface waters: Possible formation of toxic intermediates by Fabbri, Debora, Minella, Marco, Maurino, Valter, Minero, Claudio, Vione, Davide

“…[Display omitted] •Cephalosporins are transformed in surface waters by hydrolysis and photochemistry.•Photochemistry would prevail in waters with low depth…”
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The Role of Surface Texture on the Photocatalytic H2 Production on TiO2 by Francesco Pellegrino, Fabrizio Sordello, Marco Minella, Claudio Minero, Valter Maurino

“…It has been often reported that an efficient and green photocatalytic dissociation of water under irradiated semiconductors likely represents the most…”
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Enhancement of dye sonochemical degradation by some inorganic anions present in natural waters by Minero, Claudio, Pellizzari, Paolo, Maurino, Valter, Pelizzetti, Ezio, Vione, Davide

“…The sonochemical degradation rate of the charged substrates Acid Blue 40 (AB40) and methylene blue (MB) is enhanced by scavengers of hydroxyl radicals such as…”
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Effect of Fluorination on the Surface Properties of Titania P25 Powder: An FTIR Study by Minella, Marco, Faga, Maria Giulia, Maurino, Valter, Minero, Claudio, Pelizzetti, Ezio, Coluccia, Salvatore, Martra, Gianmario

“…A study was carried out on the consequences of the −OHsurf/F− exchange occurring at the surface of TiO2 P25 when suspended in HF/F− solutions. The maximum…”
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Evidence of an Important Role of Photochemistry in the Attenuation of the Secondary Contaminant 3,4-Dichloroaniline in Paddy Water by Carena, Luca, Proto, Mariagrazia, Minella, Marco, Ghigo, Giovanni, Giovannoli, Cristina, Brigante, Marcello, Mailhot, Gilles, Maurino, Valter, Minero, Claudio, Vione, Davide

“…The secondary pollutant 3,4-dichloroaniline (DCA) is produced by the biological degradation of several herbicides, including propanil in paddy fields. The…”
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Assessing a Photocatalytic Activity Index for TiO2 Colloids by Controlled Periodic Illumination by Prozzi, Marco, Sordello, Fabrizio, Barletta, Simone, Zangirolami, Marco, Pellegrino, Francesco, Bianco Prevot, Alessandra, Maurino, Valter

“…We demonstrated that controlled periodic illumination (CPI) is unable to increase the quantum yield (or photoefficiency) of the photocatalytic process…”
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Sources and Sinks of Hydroxyl Radicals upon Irradiation of Natural Water Samples by Vione, Davide, Falletti, Gianpaolo, Maurino, Valter, Minero, Claudio, Pelizzetti, Ezio, Malandrino, Mery, Ajassa, Roberto, Olariu, Romeo-Iulian, Arsene, Cecilia

“…Hydroxyl radical formation rates, steady-state concentration, and overall scavenging rate constant were measured by irradiation of surface lake water samples…”
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Effect of dissolved organic compounds on the photodegradation of the herbicide MCPA in aqueous solution by Vione, Davide, Khanra, Swapan, Das, Radharani, Minero, Claudio, Maurino, Valter, Brigante, Marcello, Mailhot, Gilles

“…This work shows that the addition of phenol and 2-propanol as model organic compounds significantly decreases the direct photolysis quantum yield of…”
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The fate of nitrogen upon nitrite irradiation: Formation of dissolved vs. gas-phase species by De Laurentiis, Elisa, Minella, Marco, Berto, Silvia, Maurino, Valter, Minero, Claudio, Vione, Davide

“…•Hydroxyl radical scavengers enhance nitrite photodegradation.•A significant loss of dissolved nitrogen occurs in irradiated systems with phenol.•Part of the…”
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Inhibition vs. enhancement of the nitrate-induced phototransformation of organic substrates by the •OH scavengers bicarbonate and carbonate by Vione, Davide, Khanra, Swapan, Man, Simona Cucu, Maddigapu, Pratap Reddy, Das, Radharani, Arsene, Cecilia, Olariu, Romeo-Iulian, Maurino, Valter, Minero, Claudio

“…Contrary to common expectations, the hydroxyl scavengers, carbonate and bicarbonate, are able to enhance the phototransformation by nitrate of a number of…”
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A model approach to assess the long-term trends of indirect photochemistry in lake water. The case of Lake Maggiore (NW Italy) by Minella, Marco, Rogora, Michela, Vione, Davide, Maurino, Valter, Minero, Claudio

“…A model-based approach is here developed and applied to predict the long-term trends of indirect photochemical processes in the surface layer (5m water depth)…”
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Phenol transformation and dimerisation, photosensitised by the triplet state of 1-nitronaphthalene: A possible pathway to humic-like substances (HULIS) in atmospheric waters by De Laurentiis, Elisa, Sur, Babita, Pazzi, Marco, Maurino, Valter, Minero, Claudio, Mailhot, Gilles, Brigante, Marcello, Vione, Davide

“…The nitroderivatives of polycyclic aromatic hydrocarbons are potentially important photosensitisers in the atmospheric condensed phase. Here we show that the…”
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