Search Results - "Colgan, C"

Exploiting attractive non-covalent interactions for the enantioselective catalysis of reactions involving radical intermediates by Proctor, Rupert S. J., Colgan, Avene C., Phipps, Robert J.

“…The past decade has seen unprecedented growth in the development of new chemical methods that proceed by mechanisms involving radical intermediates. This new…”
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Stereoselective organocatalyzed glycosylations - thiouracil, thioureas and monothiophthalimide act as Brønsted acid catalysts at low loadings by Bradshaw, G A, Colgan, A C, Allen, N P, Pongener, I, Boland, M B, Ortin, Y, McGarrigle, E M

“…Thiouracil catalyzes stereoselective glycosylations with galactals in loadings as low as 0.1 mol%. It is proposed that in these glycosylations thiouracil,…”
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A laser–plasma platform for photon–photon physics: the two photon Breit–Wheeler process by Kettle, B, Hollatz, D, Gerstmayr, E, Samarin, G M, Alejo, A, Astbury, S, Baird, C, Bohlen, S, Campbell, M, Colgan, C, Dannheim, D, Gregory, C, Harsh, H, Hatfield, P, Hinojosa, J, Katzir, Y, Morton, J, Murphy, C D, Nurnberg, A, Osterhoff, J, Pérez-Callejo, G, Põder, K, Rajeev, P P, Roedel, C, Roeder, F, Salgado, F C, Sarri, G, Seidel, A, Spannagel, S, Spindloe, C, Steinke, S, Streeter, M J V, Thomas, A G R, Underwood, C, Watt, R, Zepf, M, Rose, S J, Mangles, S P D

“…We describe a laser–plasma platform for photon–photon collision experiments to measure fundamental quantum electrodynamic processes. As an example we describe…”
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Narrow bandwidth, low-emittance positron beams from a laser-wakefield accelerator by Streeter, M. J. V., Colgan, C., Carderelli, J., Ma, Y., Cavanagh, N., Los, E. E., Ahmed, H., Antoine, A. F., Audet, T., Balcazar, M. D., Calvin, L., Kettle, B., Mangles, S. P. D., Najmudin, Z., Rajeev, P. P., Symes, D. R., Thomas, A. G. R., Sarri, G.

“…The rapid progress that plasma wakefield accelerators are experiencing is now posing the question as to whether they could be included in the design of the…”
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Achievement of ion temperatures in excess of 100 million degrees Kelvin in the compact high-field spherical tokamak ST40 by McNamara, S.A.M., Asunta, O., Bland, J., Buxton, P.F., Colgan, C., Dnestrovskii, A., Gemmell, M., Gryaznevich, M., Hoffman, D., Janky, F., Lister, J.B., Lowe, H.F., Mirfayzi, R.S., Naylor, G., Nemytov, V., Njau, J., Pyragius, T., Rengle, A., Romanelli, M., Romero, C., Sertoli, M., Shevchenko, V., Sinha, J., Sladkomedova, A., Sridhar, S., Takase, Y., Thomas, P., Varje, J., Vincent, B., Willett, H.V., Wood, J., Zakhar, D., Battaglia, D.J., Kaye, S.M., Delgado-Aparicio, L.F., Maingi, R., Mueller, D., Podesta, M., Delabie, E., Lomanowski, B., Marchuk, O.

“…Abstract Ion temperatures of over 100 million degrees Kelvin (8.6 keV) have been produced in the ST40 compact high-field spherical tokamak (ST). Ion…”
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Regulation of bovine brain microvascular endothelial tight junction assembly and barrier function by laminar shear stress by Colgan, Olga C, Ferguson, Gail, Collins, Nora T, Murphy, Ronan P, Meade, Gerardeane, Cahill, Paul A, Cummins, Philip M

“…Blood-brain barrier (BBB) controls paracellular solute diffusion into the brain microenvironment and is maintained primarily by tight junctions between…”
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Single-Shot Multi-Kev X-Ray Absorption Spectroscopy Using an Ultrashort Laser Wakefield Accelerator Source by Kettle, B., Baggott, R. A., Colgan, C., Los, E., Rose, S. J., Mangles, S. P. D.

“…X-ray absorption spectroscopy (XAS) can provide a wealth of information regarding the structure and state of a sample. Techniques such as XANES (X-ray…”
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Laser wakefield accelerator modelling with variational neural networks by Streeter, M. J. V., Colgan, C., Cobo, C. C., Arran, C., Los, E. E., Watt, R., Bourgeois, N., Calvin, L., Carderelli, J., Cavanagh, N., Dann, S. J. D., Fitzgarrald, R., Gerstmayr, E., Joglekar, A. S., Kettle, B., Mckenna, P., Murphy, C. D., Najmudin, Z., Parsons, P., Qian, Q., Rajeev, P. P., Ridgers, C. P., Symes, D. R., Thomas, A. G. R., Sarri, G., Mangles, S. P. D.

“…A machine learning model was created to predict the electron spectrum generated by a GeV-class laser wakefield accelerator. The model was constructed from…”
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Influence of basolateral condition on the regulation of brain microvascular endothelial tight junction properties and barrier function by Colgan, Olga C, Collins, Nora T, Ferguson, Gail, Murphy, Ronan P, Birney, Yvonne A, Cahill, Paul A, Cummins, Philip M

“…Abstract Basolateral condition of the brain microvascular endothelium is believed to influence blood–brain barrier (BBB) phenotype, although the precise…”
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Hydrogen Atom Transfer-Driven Enantioselective Minisci Reaction of Amides by Proctor, Rupert S. J, Chuentragool, Padon, Colgan, Avene C, Phipps, Robert J

“…Minisci-type reactions constitute one of the most powerful methods for building up complexity around basic heteroarenes. The most desirable variants involve…”
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Cyclic Strain–Mediated Regulation of Vascular Endothelial Occludin and ZO-1: Influence on Intercellular Tight Junction Assembly and Function by Collins, Nora T, Cummins, Philip M, Colgan, Olga C, Ferguson, Gail, Birney, Yvonne A, Murphy, Ronan P, Meade, Gerardene, Cahill, Paul A

“…OBJECTIVE—The vascular endothelium constitutes a highly effective fluid/solute barrier through the regulated apposition of intercellular tight junction…”
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A Computational and Experimental Investigation of the Origin of Selectivity in the Chiral Phosphoric Acid Catalyzed Enantioselective Minisci Reaction by Ermanis, Kristaps, Colgan, Avene C, Proctor, Rupert S. J, Hadrys, Barbara W, Phipps, Robert J, Goodman, Jonathan M

“…The Minisci reaction is one of the most valuable methods for directly functionalizing basic heteroarenes to form carbon–carbon bonds. Use of prochiral,…”
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Hydrogen Atom Transfer Driven Enantioselective Minisci Reaction of Alcohols by Colgan, Avene C., Proctor, Rupert S. J., Gibson, David C., Chuentragool, Padon, Lahdenperä, Antti S. K., Ermanis, Kristaps, Phipps, Robert J.

“…Catalytic enantioselective Minisci reactions have recently been developed but all instances so far utilize α‐amino radical coupling partners. We report a…”
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Site-Selective Acylation of Pyranosides with Oligopeptide Catalysts by Seitz, Alexander, Wende, Raffael C, Roesner, Emily, Niedek, Dominik, Topp, Christopher, Colgan, Avene C, McGarrigle, Eoghan M, Schreiner, Peter R

“…Herein, we report the oligopeptide-catalyzed site-selective acylation of partially protected monosaccharides. We identified catalysts that invert…”
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Publisher Correction: Exploiting attractive non-covalent interactions for the enantioselective catalysis of reactions involving radical intermediates by Proctor, Rupert S. J., Colgan, Avene C., Phipps, Robert J.

“…An amendment to this paper has been published and can be accessed via a link at the top of the paper…”
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Benzylation Reactions in DMF Lead to an Impurity Which Acts as an Organocatalyst Poison in Thiourea-Catalyzed Glycosylations by Colgan, Avene C, Müller-Bunz, Helge, McGarrigle, Eoghan M

“…The benzylation of alcohols with the commonly used combination of benzyl bromide and sodium hydride in DMF can lead to the formation of an amine side product,…”
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Applying DTI white matter orientations to finite element head models to examine diffuse TBI under high rotational accelerations by Colgan, Niall C., Gilchrist, Michael D., Curran, Kathleen M.

“…The in-vivo mechanical response of neural tissue during impact loading of the head is simulated using geometrically accurate finite element (FE) head models…”
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Development of Radioresistant CAR T Cells for Solid Tumor Therapeutics by Andruska, N., Colgan, C., DeSelm, C.J.

“…Chimeric antigen receptor T-cells (CAR-T) targeting CD19 have shown remarkable antitumor activity in relapsed/refractory hematological malignancies, but…”
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Hydrogen Atom Transfer Driven Enantioselective Minisci Reaction of Alcohols by Colgan, Avene C., Proctor, Rupert S. J., Gibson, David C., Chuentragool, Padon, Lahdenperä, Antti S. K., Ermanis, Kristaps, Phipps, Robert J.

“…Catalytic enantioselective Minisci reactions have recently been developed but all instances so far utilize α‐amino radical coupling partners. We report a…”
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Paradental cysts: a role for food impaction in the pathogenesis? A review of cases from Northern Ireland by Colgan, C.M., Henry, J., Napier, S.S., Cowan, C.G.

“…We present the clinical, radiographic and histological findings of 15 paradental cysts. These were the second most common type of cyst associated with…”
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