Search Results - "Diaz, Daniel E"

Synthetic Fe/Cu Complexes: Toward Understanding Heme-Copper Oxidase Structure and Function by Adam, Suzanne M, Wijeratne, Gayan B, Rogler, Patrick J, Diaz, Daniel E, Quist, David A, Liu, Jeffrey J, Karlin, Kenneth D

“…Heme-copper oxidases (HCOs) are terminal enzymes on the mitochondrial or bacterial respiratory electron transport chain, which utilize a unique heterobinuclear…”
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Activation of dioxygen by copper metalloproteins and insights from model complexes by Quist, David A., Diaz, Daniel E., Liu, Jeffrey J., Karlin, Kenneth D.

“…Nature uses dioxygen as a key oxidant in the transformation of biomolecules. Among the enzymes that are utilized for these reactions are copper-containing…”
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Dioxygen Activation by a Macrocyclic Copper Complex Leads to a Cu2O2 Core with Unexpected Structure and Reactivity by Garcia-Bosch, Isaac, Cowley, Ryan E., Díaz, Daniel E., Siegler, Maxime A., Nam, Wonwoo, Solomon, Edward I., Karlin, Kenneth D.

“…We report the CuI/O2 chemistry of complexes derived from the macrocylic ligands 14‐TMC (1,4,8,11‐tetramethyl‐1,4,8,11‐tetraazacyclotetradecane) and 12‐TMC…”
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Copper(I)-Dioxygen Adducts and Copper Enzyme Mechanisms by Liu, Jeffrey J., Diaz, Daniel E., Quist, David A., Karlin, Kenneth D.

“…Primary copper(I)‐dioxygen (O2) adducts, cupric‐superoxide complexes, have been proposed intermediates in copper‐containing dioxygen‐activating monooxygenase…”
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Steric and Electronic Factors Affecting the Conformation of Bimetallic CuI Complexes: Effect of the Aliphatic Spacer of Tetracoordinating Schiff‐Base Ligands by Díaz, Daniel E., Llanos, Leonel, Arce, Pablo, Lorca, Romina, Guerrero, Juan, Costamagna, Juan, Aravena, Daniel, Ferraudi, Guillermo, Oliver, Allen, Lappin, A. Graham, Lemus, Luis

“…A family of six homoleptic [CuI(Ln)]2(ClO4)2 and six heteroleptic [CuI(Ln)(PPh3)2]2(ClO4)2 bimetallic complexes, in which Ln are bis‐Schiff base ligands with…”
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Carotenoid Stability during Production and Storage of Tomato Juice Made from Tomatoes with Diverse Pigment Profiles Measured by Infrared Spectroscopy by Rubio-Diaz, Daniel E, Santos, Alejandra, Francis, David M, Rodriguez-Saona, Luis E

“…Chemical changes in carotenoids and lipids were studied during production and storage of canned tomato juice using ATR infrared spectroscopy and HPLC. Samples…”
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The histidine brace: nature's copper alternative to haem? by Walton, Paul H., Davies, Gideon J., Diaz, Daniel E., Franco‐Cairo, João P.

“…The copper histidine brace is a structural unit in metalloproteins (Proc Natl Acad Sci USA 2011, 108, 15079). It consists of a copper ion chelated by the NH2…”
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Dimethylanilinic N‑Oxides and Their Oxygen Surrogacy Role in the Formation of a Putative High-Valent Copper–Oxygen Species by Diaz, Daniel E, Bhadra, Mayukh, Karlin, Kenneth D

“…The reaction of p-cyano-N,N-dimethylaniline N-oxide, an O-atom donor, with different copper­(I) complexes (at room temperature and in acetone) indicates the…”
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Impact of Intramolecular Hydrogen Bonding on the Reactivity of Cupric Superoxide Complexes with O−H and C−H Substrates by Diaz, Daniel E., Quist, David A., Herzog, Austin E., Schaefer, Andrew W., Kipouros, Ioannis, Bhadra, Mayukh, Solomon, Edward I., Karlin, Kenneth D.

“…The dioxygen reactivity of a series of TMPA‐based copper(I) complexes (TMPA=tris(2‐pyridylmethyl)amine), with and without secondary‐coordination‐sphere…”
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Substrate and Lewis Acid Coordination Promote O-O Bond Cleavage of an Unreactive L2CuII2(O22-) Species to Form L2CuIII2(O)2 Cores with Enhanced Oxidative Reactivity by Garcia-Bosch, Isaac, Cowley, Ryan E, Díaz, Daniel E, Peterson, Ryan L, Solomon, Edward I, Karlin, Kenneth D

“…Copper-dependent metalloenzymes are widespread throughout metabolic pathways, coupling the reduction of O2 with the oxidation of organic substrates…”
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Mapping the Initial Stages of a Protective Pathway that Enhances Catalytic Turnover by a Lytic Polysaccharide Monooxygenase by Zhao, Jingming, Zhuo, Ying, Diaz, Daniel E., Shanmugam, Muralidharan, Telfer, Abbey J., Lindley, Peter J., Kracher, Daniel, Hayashi, Takahiro, Seibt, Lisa S., Hardy, Florence J., Manners, Oliver, Hedison, Tobias M., Hollywood, Katherine A., Spiess, Reynard, Cain, Kathleen M., Diaz-Moreno, Sofia, Scrutton, Nigel S., Tovborg, Morten, Walton, Paul H., Heyes, Derren J., Green, Anthony P.

“…Oxygenase and peroxygenase enzymes generate intermediates at their active sites which bring about the controlled functionalization of inert C–H bonds in…”
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Biochemical and structural insights of a recombinant AA16 LPMO from the marine and sponge-symbiont Peniophora sp by Franco Cairo, João Paulo L., Almeida, Dnane V., Andrade, Viviane B., Terrasan, César R.F., Telfer, Abbey, Gonçalves, Thiago A., Diaz, Daniel E., Figueiredo, Fernanda L., Brenelli, Livia B., Walton, Paul H., Damasio, André, Garcia, Wanius, Squina, Fabio M.

“…Lytic polysaccharide monooxygenases (LPMOs) are copper-dependent enzymes that oxidize polysaccharides, leading to their cleavage. LPMOs are classified into…”
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Influence of intramolecular secondary sphere hydrogen-bonding interactions on cytochrome c oxidase inspired low-spin heme-peroxo-copper complexes by Ehudin, Melanie A, Schaefer, Andrew W, Adam, Suzanne M, Quist, David A, Diaz, Daniel E, Tang, Joel A, Solomon, Edward I, Karlin, Kenneth D

“…Dioxygen reduction by heme-copper oxidases is a critical biochemical process, wherein hydrogen bonding is hypothesized to participate in the critical step…”
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Steric and Electronic Factors Affecting the Conformation of Bimetallic Cu I Complexes: Effect of the Aliphatic Spacer of Tetracoordinating Schiff-Base Ligands by Díaz, Daniel E, Llanos, Leonel, Arce, Pablo, Lorca, Romina, Guerrero, Juan, Costamagna, Juan, Aravena, Daniel, Ferraudi, Guillermo, Oliver, Allen, Lappin, A Graham, Lemus, Luis

“…A family of six homoleptic [Cu (L )] (ClO ) and six heteroleptic [Cu (L )(PPh ) ] (ClO ) bimetallic complexes, in which L are bis-Schiff base ligands with…”
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Synergy of DNA intercalation and catalytic activity of a copper complex towards improved polymerase inhibition and cancer cell cytotoxicity by Romo, Adolfo I B, Carepo, Marta P, Levín, Pedro, Nascimento, Otaciro R, Díaz, Daniel E, Rodríguez-López, Joaquín, León, Ignácio E, Bezerra, Lucas F, Lemus, Luis, Diógenes, Izaura C N

“…Improving the binding of metal complexes to DNA to boost cancer cell cytotoxicity requires fine tuning of their structural and chemical properties. Copper has…”
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Profiling of nutritionally important carotenoids from genetically-diverse tomatoes by infrared spectroscopy by Rubio-Diaz, Daniel E., De Nardo, Thais, Santos, Alejandra, de Jesus, Susana, Francis, David, Rodriguez-Saona, Luis E.

“…An efficient and rapid protocol for profiling tomato carotenoids based on their specific vibrational spectroscopic signatures was developed. Twenty-four tomato…”
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Decoding the Mechanism of Intramolecular Cu-Directed Hydroxylation of sp3 C–H Bonds by Trammell, Rachel, See, Yi Yang, Herrmann, Aaron T, Xie, Nan, Díaz, Daniel E, Siegler, Maxime. A, Baran, Phil S, Garcia-Bosch, Isaac

“…The use of copper in directed C–H oxidation has been relatively underexplored. In a seminal example, Schönecker showed that copper and O2 promoted the…”
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Power maps and wavefront for progressive addition lenses in eyeglass frames by Mejía, Yobani, Mora, David A, Díaz, Daniel E

“…To evaluate a method for measuring the cylinder, sphere, and wavefront of progressive addition lenses (PALs) in eyeglass frames. We examine the contour maps of…”
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External calibration models for the measurement of tomato carotenoids by infrared spectroscopy by Rubio-Diaz, Daniel E., Francis, David M., Rodriguez-Saona, Luis E.

“…A new method for the rapid construction of calibration models for the measurement of carotenoids in tomato by infrared spectroscopy was developed using a…”
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Impact of Intramolecular Hydrogen Bonding on the Reactivity of Cupric Superoxide Complexes with O−H and C−H Substrates by Diaz, Daniel E., Quist, David A., Herzog, Austin E., Schaefer, Andrew W., Kipouros, Ioannis, Bhadra, Mayukh, Solomon, Edward I., Karlin, Kenneth D.

“…The dioxygen reactivity of a series of TMPA‐based copper(I) complexes (TMPA=tris(2‐pyridylmethyl)amine), with and without secondary‐coordination‐sphere…”
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