نتایج جستجو برای: activator generated by electron transfer

تعداد نتایج: 7379511  

Bioelectrocatalysis is a phenomenon concerned with biological catalysts, which accelerate the electrochemical reactions. Bioelectrocatalysis has been widely explored by the research community in various directions. Enzymes can catalyze different chemical reactions in living organisms by enzymes as the most important biological catalysts. These enzymatic biocatalysts are commercially available a...

   In this manuscript, a solar cavity packed with thermoelectric generator modules is investigated numerically. The hot plate of TEG modules make the inner surface of the cube, and the cold plate is outside of the cavity, under natural convection. The TEG modules are electrically in series. The solution algorithm using the equations of heat transfer and generated power of TEG modules is d...

2017
Hongying Zhong Juan Zhang Xuemei Tang Wenyang Zhang Ruowei Jiang Rui Li Disong Chen Peng Wang Zhiwei Yuan

Monitoring of interfacial electron transfer (ET) in situ is important to understand the ET mechanism and designing efficient photocatalysts. We describe herein a mass spectrometric approach to investigate the ultrafast transfer of photoelectrons that are generated by ultraviolet irradiation on surfaces of semiconductor nanoparticles or crystalline facets. The mass spectrometric approach can not...

Journal: :Angewandte Chemie 2017
Tarali Devi Yong-Min Lee Jieun Jung Muniyandi Sankaralingam Wonwoo Nam Shunichi Fukuzumi

Metal-superoxo species are involved in a variety of enzymatic oxidation reactions, and multi-electron oxidation of substrates is frequently observed in those enzymatic reactions. A CrIII -superoxo complex, [CrIII (O2 )(TMC)(Cl)]+ (1; TMC=1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetradecane), is described that acts as a novel three-electron oxidant in the oxidation of dihydronicotinamide adeni...

Journal: :Journal of the American Society for Mass Spectrometry 2009
Sarah R Hart King Wai Lau Zhiqi Hao Richard Broadhead Neil Portman Andreas Hühmer Keith Gull Paul G McKean Simon J Hubbard Simon J Gaskell

The use of electron-transfer dissociation as an alternative peptide ion activation method for generation of protein sequence information is examined here in comparison with the conventional method of choice, collisionally activated dissociation, using a linear ion trapping instrument. Direct comparability between collisionally and electron-transfer-activated product ion data were ensured by emp...

Journal: :journal of biomedical physics and engineering 0
m khadem abolfazli babol medical university s r mahdavi iran medical university m mahdavi mazandaran universityسازمان اصلی تایید شده: دانشگاه علوم پزشکی بابل (babol university of medical sciences) gh ataei babol medical universityسازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (iran university of medical sciences)

background: gold nanoparticles are emerging as promising agents for cancer therapy and are being investigated as drug carriers, photothermal agents, contrast agents and radiosensitisers. objective: the aim of this study is to understand characteristics of secondary electrons generated from interaction of gold nanoparticles gnps with x-rays as a function of nanoparticle size and beam energy and ...

2003
Mark C. Walker Jose J. Pueyo Jose A. Navarro Gordon Tollin

The influence of electrostatic forces on the formation of, and electron transfer within, transient complexes between redox proteins was examined by comparing ionic strength effects on the kinetics of the electron transfer reaction between reduced ferredoxins (Fd) and oxidized ferredoxinNADP+ reductases (FNR) from Analmena and from spinach, using laser flash photolysis techniques. With the Anaba...

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