Suchergebnisse - "Towrie, Michael"

The effect of powder oxidation on defect formation in laser additive manufacturing von Leung, Chu Lun Alex, Marussi, Sebastian, Towrie, Michael, Atwood, Robert C., Withers, Philip J., Lee, Peter D.

“… Understanding defect formation during laser additive manufacturing (LAM) of virgin, stored, and reused powders is crucial for the production of high quality …”
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In situ X-ray imaging of defect and molten pool dynamics in laser additive manufacturing von Leung, Chu Lun Alex, Marussi, Sebastian, Atwood, Robert C., Towrie, Michael, Withers, Philip J., Lee, Peter D.

“… The laser–matter interaction and solidification phenomena associated with laser additive manufacturing (LAM) remain unclear, slowing its process development …”
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Toward control of electron transfer in donor-acceptor molecules by bond-specific infrared excitation von Delor, Milan, Scattergood, Paul A, Sazanovich, Igor V, Parker, Anthony W, Greetham, Gregory M, Meijer, Anthony J H M, Towrie, Michael, Weinstein, Julia A

“… Electron transfer (ET) from donor to acceptor is often mediated by nuclear-electronic (vibronic) interactions in molecular bridges. Using an ultrafast …”
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Direct observation of ultrafast long-range charge separation at polymer–fullerene heterojunctions von Provencher, Françoise, Bérubé, Nicolas, Parker, Anthony W., Greetham, Gregory M., Towrie, Michael, Hellmann, Christoph, Côté, Michel, Stingelin, Natalie, Silva, Carlos, Hayes, Sophia C.

“… In polymeric semiconductors, charge carriers are polarons, which means that the excess charge deforms the molecular structure of the polymer chain that hosts …”
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Direct Observation of the Microscopic Reverse of the Ubiquitous Concerted Metalation Deprotonation Step in C-H Bond Activation Catalysis von Hammarback, L Anders, Aucott, Benjamin J, Bray, Joshua T W, Clark, Ian P, Towrie, Michael, Robinson, Alan, Fairlamb, Ian J S, Lynam, Jason M

“… The ability of carboxylate groups to promote the direct functionalization of C-H bonds in organic compounds is unquestionably one of the most important …”
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Directing the path of light-induced electron transfer at a molecular fork using vibrational excitation von Delor, Milan, Archer, Stuart A., Keane, Theo, Meijer, Anthony J. H. M., Sazanovich, Igor V., Greetham, Gregory M., Towrie, Michael, Weinstein, Julia A.

“… Ultrafast electron transfer in condensed-phase molecular systems is often strongly coupled to intramolecular vibrations that can promote, suppress and direct …”
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Direct observation of two-channel photodissociation of carbon monoxide from the hemoglobin subunits von Lepeshkevich, Sergei V., Sazanovich, Igor V., Parkhats, Marina V., Gilevich, Syargey N., Yantsevich, Aliaksei V., Weinstein, Julia A., Towrie, Michael, Dzhagarov, Boris M.

“… Determining dynamics of bond breaking between carbon monoxide (CO) and heme proteins is essential to understand the interplay between protein function and …”
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On the mechanism of vibrational control of light-induced charge transfer in donor–bridge–acceptor assemblies von Delor, Milan, Keane, Theo, Scattergood, Paul A., Sazanovich, Igor V., Greetham, Gregory M., Towrie, Michael, Meijer, Anthony J. H. M., Weinstein, Julia A.

“… Nuclear–electronic (vibronic) coupling is increasingly recognized as a mechanism of major importance in controlling the light-induced function of molecular …”
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A versatile high-average-power ultrafast infrared driver tailored for high-harmonic generation and vibrational spectroscopy von Thiré, Nicolas, Chatterjee, Gourab, Pertot, Yoann, Albert, Olivier, Karras, Gabriel, Zhang, Yu, Wyatt, Adam S., Towrie, Michael, Springate, Emma, Greetham, Gregory M., Forget, Nicolas

“… We report on an ultrafast infrared optical parametric chirped-pulse amplifier (OPCPA), pumped by a 200-W thin-disk Yb-based regenerative amplifier at a …”
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Electron-Transfer Acceleration Investigated by Time Resolved Infrared Spectroscopy von Vlček, Antonín, Kvapilová, Hana, Towrie, Michael, Záliš, Stanislav

“… Ultrafast electron transfer (ET) processes are important primary steps in natural and artificial photosynthesis, as well as in molecular electronic/photonic …”
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Ultrafast excited-state dynamics of rhenium(I) photosensitizers [Re(Cl)(CO)3(N,N)] and [Re(imidazole)(CO)3(N,N)]+: diimine effects von El Nahhas, Amal, Consani, Cristina, Blanco-Rodríguez, Ana María, Lancaster, Kyle M, Braem, Olivier, Cannizzo, Andrea, Towrie, Michael, Clark, Ian P, Zális, Stanislav, Chergui, Majed, Vlcek, Jr, Antonín

“… Femto- to picosecond excited-state dynamics of the complexes [Re(L)(CO)(3)(N,N)](n) (N,N = bpy, phen, 4,7-dimethyl-phen (dmp); L = Cl, n = 0; L = imidazole, n …”
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Photoelectrocatalytic H2 evolution from integrated photocatalysts adsorbed on NiO von Põldme, Nils, O'Reilly, Laura, Fletcher, Ian, Portoles, Jose, Sazanovich, Igor V., Towrie, Michael, Long, Conor, Vos, Johannes G., Pryce, Mary T., Gibson, Elizabeth A.

“… A new approach to increasing the faradaic efficiency of dye-sensitised photocathodes for H 2 evolution from water, using integrated photocatalysts, furnished …”
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Photophysics of singlet and triplet intraligand excited states in [ReCl(CO)3(1-(2-pyridyl)-imidazo[1,5-α]pyridine)] complexes von Blanco-Rodríguez, Ana María, Kvapilová, Hana, Sýkora, Jan, Towrie, Michael, Nervi, Carlo, Volpi, Giorgio, Záliš, Stanislav, Vlček, Jr, Antonín

“… Excited-state characters and dynamics of [ReCl(CO)3(3-R-1-(2-pyridyl)-imidazo[1,5-α]pyridine)] complexes (abbreviated ReGV-R, R = CH3, Ph, PhBu(t), PhCF3, …”
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Photoactivation of the BLUF Protein PixD Probed by the Site-Specific Incorporation of Fluorotyrosine Residues von Gil, Agnieszka A, Laptenok, Sergey P, Iuliano, James N, Lukacs, Andras, Verma, Anil, Hall, Christopher R, Yoon, Grace E, Brust, Richard, Greetham, Gregory M, Towrie, Michael, French, Jarrod B, Meech, Stephen R, Tonge, Peter J

“… The flavin chromophore in blue-light-using FAD (BLUF) photoreceptors is surrounded by a hydrogen bond network that senses and responds to changes in the …”
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Monitoring one-electron photo-oxidation of guanine in DNA crystals using ultrafast infrared spectroscopy von Hall, James P., Poynton, Fergus E., Keane, Páraic M., Gurung, Sarah P., Brazier, John A., Cardin, David J., Winter, Graeme, Gunnlaugsson, Thorfinnur, Sazanovich, Igor V., Towrie, Michael, Cardin, Christine J., Kelly, John M., Quinn, Susan J.

“… To understand the molecular origins of diseases caused by ultraviolet and visible light, and also to develop photodynamic therapy, it is important to resolve …”
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Proteins in Action: Femtosecond to Millisecond Structural Dynamics of a Photoactive Flavoprotein von Brust, Richard, Lukacs, Andras, Haigney, Allison, Addison, Kiri, Gil, Agnieszka, Towrie, Michael, Clark, Ian P, Greetham, Gregory M, Tonge, Peter J, Meech, Stephen R

“… Living systems are fundamentally dependent on the ability of proteins to respond to external stimuli. The mechanism, the underlying structural dynamics, and …”
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Photophysics of Threaded sp-Carbon Chains: The Polyyne is a Sink for Singlet and Triplet Excitation von Movsisyan, Levon D, Peeks, Martin D, Greetham, Gregory M, Towrie, Michael, Thompson, Amber L, Parker, Anthony W, Anderson, Harry L

“… We have used single-crystal X-ray diffraction and time-resolved UV–NIR–IR absorption spectroscopy to gain insights into the structures and excited-state …”
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Variation in LOV Photoreceptor Activation Dynamics Probed by Time-Resolved Infrared Spectroscopy von Iuliano, James N, Gil, Agnieszka A, Laptenok, Sergey P, Hall, Christopher R, Tolentino Collado, Jinnette, Lukacs, Andras, Hag Ahmed, Safaa A, Abyad, Jenna, Daryaee, Taraneh, Greetham, Gregory M, Sazanovich, Igor V, Illarionov, Boris, Bacher, Adelbert, Fischer, Markus, Towrie, Michael, French, Jarrod B, Meech, Stephen R, Tonge, Peter J

“… The light, oxygen, voltage (LOV) domain proteins are blue light photoreceptors that utilize a noncovalently bound flavin mononucleotide (FMN) cofactor as the …”
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Comparing molecular photofragmentation dynamics in the gas and liquid phases von Harris, Stephanie J, Murdock, Daniel, Zhang, Yuyuan, Oliver, Thomas A A, Grubb, Michael P, Orr-Ewing, Andrew J, Greetham, Gregory M, Clark, Ian P, Towrie, Michael, Bradforth, Stephen E, Ashfold, Michael N R

“… This article explores the extent to which insights gleaned from detailed studies of molecular photodissociations in the gas phase (i.e. under isolated molecule …”
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Steady-State and Pseudo-Steady-State Photocrystallographic Studies on Linkage Isomers of [Ni(Et4dien)(η2-O,ON)(η1-NO2)]: Identification of a New Linkage Isomer von Hatcher, Lauren E., Christensen, Jeppe, Hamilton, Michelle L., Trincao, Jose, Allan, David R., Warren, Mark R., Clarke, Ian P., Towrie, Michael, Fuertes, Dr Sara, Wilson, Charles C., Woodall, Christopher H., Raithby, Paul R.

“… At temperatures below 150 K, the photoactivated metastable endo‐nitrito linkage isomer [Ni(Et4dien)(η2‐O,ON)(η1‐ONO)] …”
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