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Proton/electron transfer

Interplay of Proton Transfer, Electron Transfer and Proton Coupled Electron Transfer in Transition Metal Mediated Nitrogen Fixation

Interplay of Proton Transfer, Electron Transfer and Proton Coupled Electron Transfer in Transition Metal Mediated Nitrogen Fixation

... Thesis Interplay of Proton Transfer, Electron Transfer and Proton Coupled Electron Transfer in Transition Metal Mediated Nitrogen Fixation Thesis by Benjamin David Matson In Partial Fulfillment of the[.] ...

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Carboxamidate Ligand Noninnocence in Proton Coupled Electron Transfer

Carboxamidate Ligand Noninnocence in Proton Coupled Electron Transfer

... paramagnetic resonance spectroscopies and electrospray ionization mass spectrometry. 2 was found to be a capable oxidant of phenols and through kinetic analysis was found to oxidize these substrates via a non-concerted ...

9

Proton coupled electron transfer enhances the electrocatalytic reduction of nitrite to NO in a bioinspired copper complex

Proton coupled electron transfer enhances the electrocatalytic reduction of nitrite to NO in a bioinspired copper complex

... additional proton sources in nonaqueous media) has been shown to be critical, with acidic regimes being essential for catalytic reduction of nitrite to ...of proton-relay units that might mediate ...

15

A Dynamic View of Proton-Coupled Electron Transfer in Photocatalytic Water Splitting

A Dynamic View of Proton-Coupled Electron Transfer in Photocatalytic Water Splitting

... electron transfer between the catalyst and the oxidized antenna is concomitant with the diffusion of one proton from the metal-coordinated water to the ...fast proton diffusion. The entropy ...

21

Coupled electron proton transfer reactions in biological redox active substrates

Coupled electron proton transfer reactions in biological redox active substrates

... (M = Ru, Os) was studied by monitoring the cyclic voltammetry of the metal complex in the presence of electroactive amino acids. Addition of both amino acids to aqueous solutions of the metal complexes in phosphate ...

171

A Photo-Cathodic Protection System Utilizing UV Radiations

A Photo-Cathodic Protection System Utilizing UV Radiations

... shifted to a value of -350mV vs. Ag/AgCl, (Fig. 3) which shows the beneficial effect of UV radiation on its capability to cathodically protect steel [7]. The photo potential of TiO2 coated 304 Steel remained constant. ...

6

In silico design of hydrazone antioxidants and analysis of their free radical-scavenging mechanism by thermodynamic studies

In silico design of hydrazone antioxidants and analysis of their free radical-scavenging mechanism by thermodynamic studies

... The proton affinity (PA) and electron transfer en- thalpy (ETE) values for MHD 017, MHD 021 and MHD 022 hydrazone antioxidant molecules are pre- sented in Table ...

11

4802.pdf

4802.pdf

... long-range electron transfer occurs by site-to-site electron transfer hopping through tryptophan residue W359 to the terminal tryptophan W306 located ...range electron transfer ...

182

Proton Acceptor near the Active Site Lowers Dramatically the O-O Bond Formation Energy Barrier in Photocatalytic Water Splitting

Proton Acceptor near the Active Site Lowers Dramatically the O-O Bond Formation Energy Barrier in Photocatalytic Water Splitting

... four proton-coupled electron transfer (PCET) 14,15 steps involved in catalytic water oxidation, the O−O bond formation process represents a thermodynamic and kinetic bottleneck because of the ...

8

Theoretical Study of Electron Transfer Process Between Fullerenes and Membrane Cells of Helicobacter pylori

Theoretical Study of Electron Transfer Process Between Fullerenes and Membrane Cells of Helicobacter pylori

... as proton) gradients provide the electrochemical energy for cell of microorganisms, and b) the energy-rich phosphate bonds such as ATP ...chemical proton gradient and trans-membrane electric potential, ...

17

Ultrafast investigation of light-driven electron proton transfer in intermolecular model systems

Ultrafast investigation of light-driven electron proton transfer in intermolecular model systems

... the proton is pulled off or removed from the phenolic oxygen these rings react by flattening in an attempt to increase delocalization across the two ...back electron transfer in the ground state to ...

160

Proton transfer pathways in the mitochondrial S  cerevisiae cytochrome c oxidase

Proton transfer pathways in the mitochondrial S cerevisiae cytochrome c oxidase

... In the present study, we prepared structural variants of the S. cerevisiae CytcO in which residues of the pro- posed D and H pathways were modified. The kinetics of internal electron transfer, were studied ...

9

New Approaches to an Old Problem: Original Techniques in [FeFe]-hydrogenase Research

New Approaches to an Old Problem: Original Techniques in [FeFe]-hydrogenase Research

... both proton transfer and electron transfer as well as the notorious sensitivity of [FeFe]- hydrogenases towards carbon monoxide, the discussion further touches upon the molecular proceedings ...

42

Study of Electron Transfer Path on Reaction of Xanthine Oxidase with 6 Mercaptopurine and Hypoxanthine

Study of Electron Transfer Path on Reaction of Xanthine Oxidase with 6 Mercaptopurine and Hypoxanthine

... transport transfer from substrate to active site MP or hypoxanthine to active ...of electron or proton transfer mechanism tomic charge of Mo decreased from ...

11

Paper 08-2016-1

Paper 08-2016-1

... atom transfer (HAT), proton coupled electron transfer (PCET), sequential proton loss electron transfer (SPLET), single electron transfer - proton ...

16

Dependence of tautomerism on substituent type in o-hydroxy Schiff bases

Dependence of tautomerism on substituent type in o-hydroxy Schiff bases

... 2. THEORETICAL BACKGROUND All calculations were performed by Gaussian 03W [26]. GaussView program was used for mo- lecular visualization of calculated structures [27]. The geometry optimizations of two tautomers in the ...

10

Particle dynamics in a non flaring solar active region model

Particle dynamics in a non flaring solar active region model

... To estimate the number of trapped orbits, we count any or- bit which contains two or more mirror points (locations where the parallel velocity reverses sign) as being “trapped”. We es- timate that, out of the 2000 orbits ...

13

On the Nuclear Coupling of Proton and Electron

On the Nuclear Coupling of Proton and Electron

... the proton and electron form a stable pair with a tiny size typical for a ...the electron and proton, which strongly couples these two particles in a new stable entity – the ...with ...

14

Ethereal Models of Electron and Proton

Ethereal Models of Electron and Proton

... Electron and proton are truly elementary particles that make up matter. These particles together with their antiparticles (positron and antiproton) are born from photons and are annihilate to form photons. ...

10

Photo redox reactivity of titanium oxo clusters : mechanistic insight into a two electron intramolecular process, and structural characterisation of mixed valent Ti(iii)/Ti(iv) products

Photo redox reactivity of titanium oxo clusters : mechanistic insight into a two electron intramolecular process, and structural characterisation of mixed valent Ti(iii)/Ti(iv) products

... one electron being directly photo-excited, and the second electron injected into the conduction band aer decomposition of the photo-oxidised organic ...second electron is preferentially donated to ...

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