Search Results - "Scholes, Charles P"

Porphyrin–phospholipid liposomes permeabilized by near-infrared light by Carter, Kevin A., Shao, Shuai, Hoopes, Matthew I., Luo, Dandan, Ahsan, Bilal, Grigoryants, Vladimir M., Song, Wentao, Huang, Haoyuan, Zhang, Guojian, Pandey, Ravindra K., Geng, Jumin, Pfeifer, Blaine A., Scholes, Charles P., Ortega, Joaquin, Karttunen, Mikko, Lovell, Jonathan F.

“…The delivery of therapeutic compounds to target tissues is a central challenge in treating disease. Externally controlled drug release systems hold potential…”
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EPR–ENDOR Characterization of (17O, 1H, 2H) Water in Manganese Catalase and Its Relevance to the Oxygen-Evolving Complex of Photosystem II by McConnell, Iain L, Grigoryants, Vladimir M, Scholes, Charles P, Myers, William K, Chen, Ping-Yu, Whittaker, James W, Brudvig, Gary W

“…The synthesis of efficient water-oxidation catalysts demands insight into the only known, naturally occurring water-oxidation catalyst, the oxygen-evolving…”
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Spectroscopic and Computational Studies of Nitrite Reductase: Proton Induced Electron Transfer and Backbonding Contributions to Reactivity by Ghosh, Somdatta, Dey, Abhishek, Sun, Yan, Scholes, Charles P, Solomon, Edward I

“…A combination of spectroscopy and DFT calculations has been used to define the geometric and electronic structure of the nitrite bound type 2 (T2) copper site…”
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Thermodynamic equilibrium between blue and green copper sites and the role of the protein in controlling function by Ghosh, Somdatta, Xie, Xiangjin, Dey, Abhishek, Sun, Yan, Scholes, Charles P, Solomon, Edward I

“…A combination of spectroscopies and density functional theory calculations indicate that there are large temperature-dependent absorption spectral changes…”
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Pulse Dipolar ESR of Doubly Labeled Mini TAR DNA and Its Annealing to Mini TAR RNA by Sun, Yan, Borbat, Peter P., Grigoryants, Vladimir M., Myers, William K., Freed, Jack H., Scholes, Charles P.

“…Pulse dipolar electron-spin resonance in the form of double electron electron resonance was applied to strategically placed, site-specifically attached pairs…”
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X- and W-Band EPR and Q-Band ENDOR Studies of the Flavin Radical in the Na+-Translocating NADH:Quinone Oxidoreductase from Vibrio cholerae by BARQUERA, Blanca, MORGAN, Joel E., LUKOYANOV, Dmitriy, SCHOLES, Charles P., GENNIS, Robert B., NILGES, Mark J.

“…Na(+)-NQR is the entry point for electrons into the respiratory chain of Vibrio cholerae. It oxidizes NADH, reduces ubiquinone, and uses the free energy of…”
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Spectroscopic Studies of the Met182Thr Mutant of Nitrite Reductase:  Role of the Axial Ligand in the Geometric and Electronic Structure of Blue and Green Copper Sites by Basumallick, Lipika, Szilagyi, Robert K, Zhao, Yiwei, Shapleigh, James P, Scholes, Charles P, Solomon, Edward I

“…A combination of spectroscopic methods and density functional calculations has been used to describe the electronic structure of the axial mutant (Met182Thr)…”
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Catalytic Function and Local Proton Structure at the Type 2 Copper of Nitrite Reductase:  The Correlation of Enzymatic pH Dependence, Conserved Residues, and Proton Hyperfine Structure by Zhao, Yiwei, Lukoyanov, Dmitriy A, Toropov, Yuriy V, Wu, Kenneth, Shapleigh, James P, Scholes, Charles P

“…Electron nuclear double resonance (ENDOR) of protons at Type 2 and Type 1 cupric active sites correlates with the enzymatic pH dependence, the mutation of…”
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Exchangeable proton ENDOR as a probe of the redox-active iron center in activated bleomycin and ferric bleomycin by Burger, Richard M, Grigoryants, Vladimir M, Scholes, Charles P

“…Activated bleomycin (ABLM) is a drug-Fe(iii)-hydroperoxide complex kinetically competent in DNA attack (via H4' abstraction). This intermediate is relatively…”
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Regulation and Function of Cytochrome c′ in Rhodobacter sphaeroides 2.4.3 by CHOI, Peter S, GRIGORYANTS, Vladimir M, ABRUNA, Hector D, SCHOLES, Charles P, SHAPLEIGH, James P

“…Article Usage Stats Services JB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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Effect of freezing conditions on distances and their distributions derived from Double Electron Electron Resonance (DEER): A study of doubly-spin-labeled T4 lysozyme by Georgieva, Elka R., Roy, Aritro S., Grigoryants, Vladimir M., Borbat, Petr P., Earle, Keith A., Scholes, Charles P., Freed, Jack H.

“…[Display omitted] ► DEER with very rapid freezing yielded broader distributions than regular freezing. ► Neither method of freezing altered the distance…”
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Spectroscopic, Kinetic, and Electrochemical Characterization of Heterologously Expressed Wild-Type and Mutant Forms of Copper-Containing Nitrite Reductase from Rhodobacter sphaeroides 2.4.3 by Olesen, Kenneth, Veselov, Andrei, Zhao, Yiwei, Wang, Yousheng, Danner, Birgit, Scholes, Charles P, Shapleigh, James P

“…We report the development of a high-yield heterologous expression system for the copper-containing nitrite reductase from a denitrifying variant of Rhodobacter…”
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Anisotropic Fermi couplings due to large unquenched orbital angular momentum: Q-band (1)H, (14)N, and (11)B ENDOR of bis(trispyrazolylborate) cobalt(II) by Myers, William K, Scholes, Charles P, Tierney, David L

“…We report Q-band ENDOR of (1)H, (14)N, and (11)B at the g( parallel) extreme of the EPR spectrum of bis(trispyrazolylborate) cobalt(II) [Co(Tp)(2)] and two…”
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EPR−ENDOR of the Cu(I)NO Complex of Nitrite Reductase by Usov, Oleg M, Sun, Yan, Grigoryants, Vladimir M, Shapleigh, James P, Scholes, Charles P

“…With limited reductant and nitrite under anaerobic conditions, copper-containing nitrite reductase (NiR) of Rhodobacter sphaeroides yielded endogenous NO and…”
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The Internal Dynamics of Mini c TAR DNA Probed by Electron Paramagnetic Resonance of Nitroxide Spin-Labels at the Lower Stem, the Loop, and the Bulge by Sun, Yan, Zhang, Ziwei, Grigoryants, Vladimir M, Myers, William K, Liu, Fei, Earle, Keith A, Freed, Jack H, Scholes, Charles P

“…Electron paramagnetic resonance (EPR) at 236.6 and 9.5 GHz probed the tumbling of nitroxide spin probes in the lower stem, in the upper loop, and near the…”
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Resolution of the Spectroscopy versus Crystallography Issue for NO Intermediates of Nitrite Reductase from Rhodobacter sphaeroides by Ghosh, Somdatta, Dey, Abhishek, Usov, Oleg M, Sun, Yan, Grigoryants, Vladimir M, Scholes, Charles P, Solomon, Edward I

“…Copper nitrite reductase contains a T1 and T2 Cu center and catalyzes the one electron reduction of nitrite to NO. This study determines that reaction of the…”
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Rotational dynamics of HIV-1 nucleocapsid protein NCp7 as probed by a spin label attached by peptide synthesis by Zhang, Zhiwen, Xi, Xiangmei, Scholes, Charles P., Karim, Christine B.

“…2,2,6,6‐Tetramethylpiperidine‐1‐oxyl‐4‐amino‐4‐carboxylic acid (TOAC) spin label was attached at the N‐terminal position to interrogate the dynamics of the…”
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HIV-1 Nucleocapsid Protein NCp7 and Its RNA Stem Loop 3 Partner: Rotational Dynamics of Spin-Labeled RNA Stem Loop 3 by Xi, Xiangmei, Sun, Yan, Karim, Christine B, Grigoryants, Vladimir M, Scholes, Charles P

“…The tumbling dynamics of a 20-mer HIV-1 RNA stem loop 3 spin-labeled at the 5′ position were probed in the nanosecond time range. This RNA interacted with the…”
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The Role of Arginine-127 at the Proximal NO-Binding Site in Determining the Electronic Structure and Function of 5-Coordinate NO-Heme in Cytochrome c′ of Rhodobacter sphaeroides by Lee, Byunghoon, Usov, Oleg M, Grigoryants, Vladimir M, Myers, William K, Shapleigh, James P, Scholes, Charles P

“…Cytochrome c′ is a heme protein from a denitrifying variant of Rhodobacter sphaeroides which may serve to store and transport metabolic NO while protecting…”
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Subsecond time-resolved spin trapping followed by stopped-flow EPR of Fenton reaction products by Jiang, Jinjie, Bank, Janet F, Scholes, Charles P

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