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Time Resolved EPR Study on the Photoinduced Long-Range Charge-Separated State in Protein: Electron Tunneling Mediated by Arginine Residue in Human Serum Albumin

Autor: Takashi Tachikawa, Hisao Murai, Yasuhiro Kobori, Masaaki Fuki

Publikováno v: The Journal of Physical Chemistry B. 120:4365-4372

To elucidate how local molecular conformations play a role on electronic couplings for the long-range photoinduced charge-separated (CS) states in protein systems, we have analyzed time-resolved electron paramagnetic resonance (TREPR) spectra by pola

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4096c57fda35f51b00041aad09940830
https://doi.org/10.1021/acs.jpcb.6b01072

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Long-Distance Sequential Charge Separation at Micellar Interface Mediated by Dynamic Charge Transporter: A Magnetic Field Effect Study

Autor: Kiminori Maeda, Tomoaki Miura, Tadaaki Ikoma, Hisao Murai

Publikováno v: The Journal of Physical Chemistry Letters. 6:267-271

Construction of photogenerated long-lived charge-separated states is crucial for light-energy conversion using organic molecules. For realization of cheap and easy-to-make long-distance electron transfer (ET) systems, we have developed a supramolecul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e571c62bb116f9e362587bb364ed337
https://doi.org/10.1021/jz502495u

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Photoreactions and Molecular Dynamics of Radical Pairs in a Reversed Micelle Studied by Time-Resolved Measurements of EPR and Magnetic Field Effect

Autor: Tomoaki Miura, Sakiko Torii, Atsushi Kageyama, Hisao Murai

Publikováno v: The Journal of Physical Chemistry B. 114:14550-14558

Photoreaction of N,N,N',N'-tetramethyl-1,4-phenylenediamine (TMPD) in an aerosol OT (AOT) reversed micelle (RM) is studied by time-resolved EPR (tr-EPR) and the transient absorption detected magnetic field effect (MFE). Tr-EPR and transient absorptio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::647aec4e0563d7858bd35370ba412ccf
https://doi.org/10.1021/jp102300z

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Real-Time Observation of the Spin-State Mixing Process of a Micellized Radical Pair in Weak Magnetic Fields by Nanosecond Fast Field Switching

Autor: Hisao Murai, Tomoaki Miura

Publikováno v: The Journal of Physical Chemistry A. 112:2526-2532

The singlet-triplet spin-state mixing process of a singlet-born radical pair confined in a sodium dodecyl sulfate (SDS) micelle was studied by observing the nanosecond switched external magnetic field (SEMF) effect on the transient absorption signals

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dcb48550d0bb50d23fad2f9b7ae4b6de
https://doi.org/10.1021/jp077505x

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Effect of molecular diffusion on the spin dynamics of a micellized radical pair in low magnetic fields studied by Monte Carlo simulation

Autor: Tomoaki Miura, Hisao Murai

Publikováno v: The journal of physical chemistry. A. 119(22)

Magnetic field effect is a powerful tool to study dynamics and kinetics of radical pairs (RPs), which are one of the most important intermediates for organic photon-energy conversion reactions. However, quantitative discussion regarding the relations

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf0bf6a07ea57c8231a3cfbe6e4d884c
https://pubmed.ncbi.nlm.nih.gov/25942039

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Time-resolved ESR study on a long-lived radical-ion pair formed in the photoinduced electron-transfer reaction of xanthone and N,N-diethylaniline in 2-propanol

Autor: Asako Ishigaki, Hisao Murai

Publikováno v: Chemical Physics Letters. 426:81-84

A long-lived radical-ion pair formed in the photoinduced electron-transfer reaction of xanthone and N,N-diethylaniline in 2-propanol is studied using a time-resolved ESR method. The spectrum shows the spin-correlated radical pair with emissive spin p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9ee6122909f1bce1138c9743dca278d
https://doi.org/10.1016/j.cplett.2006.05.085

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Spin effects on an Alq3organic electroluminescence device

Autor: K. Hirooka, A. Ishigaki, Hisao Murai

Publikováno v: Molecular Physics. 104:1727-1731

An Alq3 (tris-(8-hydroxyquinolinato)aluminium(III)) organic electroluminescence (EL) device has been studied from the point of view of spin chemistry. The external magnetic field effect (MFE) on the EL reveals the positive effect suggesting that the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::18e62d1ddf05e4385b10dcdbd43886d7
https://doi.org/10.1080/00268970600551189

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Photochemistry and photocuring properties of thiol-substituted α-aminoalkylphenone as radical photoinitiator

Autor: Hidetaka Oka, Yohei Iwasaki, Tadayoshi Matsumura, Hisatoshi Kura, Teruhisa Ohno, Akira Kimura, Masaki Ohwa, Michio Matsumura, Hisao Murai

Publikováno v: Journal of Polymer Science Part B: Polymer Physics. 43:1684-1695

Thiol-substituted α-aminoalkylphenone was newly developed as a radical photoinitiator. Introduction of the thiol group drastically improved photosensitivity in an alkaline developable resist formulation composed of a prepolymer and a multifunctional

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4ff35a0797e5b5e815f82d9031555e25
https://doi.org/10.1002/polb.20458

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