Category: 15746-57-3

In an article, published in an article, once mentioned the application of 15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II),molecular formula is C20H16Cl2N4Ru, is a conventional compound. this article was the specific content is as follows.COA of Formula: C20H16Cl2N4Ru

A biomimetic model of the electron transfer between P680 and the TyrZ-His190 pair of PSII

Artificial photosynthesis: The first photoelectron trade between P 680 and the TyrZ-His190 pair of Photosystem II was modeled by a ruthenium(II) trisbipyridine type complex that contains a phenol hydrogen atom bonded to an imidazole group. The photogenerated phenoxyl radical has been characterized. This opens up the way for a more complete biomimetic model of Photosystem II.

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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

In an article, published in an article, once mentioned the application of 15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II),molecular formula is C20H16Cl2N4Ru, is a conventional compound. this article was the specific content is as follows.COA of Formula: C20H16Cl2N4Ru

Highly effective DNA photocleavage by novel “rigid” Ru(bpy) 3-4-nitro-and -4-amino-1,8-naphthalimide conjugates

The synthesis of the two novel 1,8-naphthalimideruthenium conjugates Ru-Nap-NO2 and Ru-Nap-NH2 and their photophysical evaluation upon interaction with DNA is reported. Significant changes were seen in both the absorption and emission spectra upon interaction of both conjugates with DNA, from which large binding constants were determined. Moreover, highly, efficient DNA cleavage was observed upon irradiation for 5 min, during which supercoiled DNA was converted to nicked and linear DNA by Ru-Nap-NH2.

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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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Sensitized photodecomposition of organic bisphosphonates by singlet oxygen

During efforts to stabilize metal oxide bound chromophores for photoelectrochemical applications, a novel photochemical reaction has been discovered. In the reaction, the bisphosphonate functional groups -C(PO 3H2)2(OH) in the metal complex [Ru(bpy) 2(4,4?-(C(OH)(PO3H2)2bpy)] 2+ are converted into -COOH and H3PO4. The reaction occurs by sensitized formation of 1O2 by the lowest metal-to-ligand charge transfer excited state(s) of [Ru(bpy) 2(4,4?-(C(PO3H2)2(OH)) 2(bpy))]2+* followed by 1O2 oxidation of the bisphosphonate substituent. A related reaction occurs for the bisphosphonate-based drug, risedronic acid, in the presence of O2, light, and a singlet oxygen sensitizer ([Ru(bpy)3]2+ or Rose Bengal).

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Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

Electric Literature of 15746-57-3, Catalysts are substances that increase the reaction rate of a chemical reaction without being consumed in the process. 15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II), molecular formula is C20H16Cl2N4Ru. In a Article£¬once mentioned of 15746-57-3

A nuclear permeable Ru(II)-based photoactivated chemotherapeutic agent towards a series of cancer cells: In vitro and in vivo studies

Ru(ii) polypyridyl complexes which can undergo photo-induced ligand dissociation and DNA covalent binding are considered as potential photoactivated chemotherapeutic (PACT) agents. Herein four pyridine-2-sulfonate (py-SO3-) ligand based Ru(ii) complexes [Ru(N-N)2(py-SO3)]+ (1-4) were synthesized and studied. All the complexes can undergo fast py-SO3- ligand dissociation and DNA covalent binding upon visible light irradiation. However, only complex 4 exhibited high photo-induced anticancer activities towards a series of cancer cells, with half maximal inhibitory concentration (IC50) values in 100-300 nM regions and phototoxicity index (PI) values of about 100. In particular, complex 4 can also kill cisplatin resistant SKOV-3 and A549 cancer cells with IC50 values in 200-400 nM regions and PI values of about 50, which should be the first report of Ru(ii) based PACT agents that are also effective towards cisplatin resistant cancer cells. Complex 4 exhibited much higher cell uptake and nuclear accumulation levels, which may be the main reasons for its high anticancer activities. The in vivo anticancer experiments indicated that complex 4 can inhibit tumor growth significantly with fewer side effects. Our results may provide guidelines for developing novel photoactivatable Ru(ii) anticancer agents.

The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 15746-57-3 is helpful to your research., Electric Literature of 15746-57-3

Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II), molecular formula is C20H16Cl2N4Ru, belongs to ruthenium-catalysts compound, is a common compound. In a patnet, once mentioned the new application about 15746-57-3, Computed Properties of C20H16Cl2N4Ru

Mono- and dinuclear ruthenium complexes of bridging ligands incorporating two di-2-pyridylamine motifs: Synthesis, spectroscopy and electrochemistry

Mono- and dinuclear ruthenium(II) complexes of six bridging ligands that contain a central arene (phenyl, naphthalenyl or biphenyl) core to which are attached two di-2-pyridylamine groups have been prepared. These complexes possess six-membered chelate rings. Full assignments of their 1H NMR spectra are described which provides insight into the comformations of the ligands in these complexes. The extent of metal-metal communication in the dinuclear complexes was probed by electrochemical measurements and related to metal-metal distances.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Computed Properties of C20H16Cl2N4Ru. In my other articles, you can also check out more blogs about 15746-57-3

Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II), molecular formula is C20H16Cl2N4Ru. In a Article£¬once mentioned of 15746-57-3, Recommanded Product: 15746-57-3

Varying the electronic structure of surface-bound ruthenium(II) polypyridyl complexes

In the design of light-harvesting chromophores for use in dye-sensitized photoelectrosynthesis cells (DSPECs), surface binding to metal oxides in aqueous solutions is often inhibited by synthetic difficulties. We report here a systematic synthesis approach for preparing a family of Ru(II) polypyridyl complexes of the type [Ru(4,4?-R2-bpy)2(4,4?-(PO3H2)2-bpy)]2+ (4,4?(PO3H2)2-bpy = [2,2?-bipyridine]-4,4?-diylbis(phosphonic acid); 4,4?-R2-bpy = 4,4?-R2-2,2?-bipyridine; and R = OCH3, CH3, H, or Br). In this series, the nature of the 4,4?-R2-bpy ligand is modified through the incorporation of electron-donating (R = OCH3 or CH3) or electron-withdrawing (R = Br) functionalities to tune redox potentials and excited-state energies. Electrochemical measurements show that the ground-state potentials, E?(Ru3+/2+), vary from 1.08 to 1.45 V (vs NHE) when the complexes are immobilized on TiO2 electrodes in aqueous HClO4 (0.1 M) as a result of increased Ru dpi-pi back-bonding caused by the lowering of the pi orbitals on the 4,4?-R2-bpy ligand. The same ligand variations cause a negligible shift in the metal-to-ligand charge-transfer absorption energies. Emission energies decrease from max = 644 to 708 nm across the series. Excited-state redox potentials are derived from single-mode Franck-Condon analyses of room-temperature emission spectra and are discussed in the context of DSPEC applications.

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Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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Ground- and Excited-state Properties of some Ligand-bridged Ruthenium(II) Polypyridyl Complexes with Spectator-ligand-based Emission

From an examination of the absorption, luminescence and redox properties, the lowest excited state of the ligand-bridged polypyridyl complexes <2(dpp)>(4+) and <(bipy)2Ru(dpp)Ru(biq)2>(4+) is assigned to that of the charge-transfer type involving the spectator ligand biq.

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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II), Application In Synthesis of Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II).

Visible light photolysis of hydrogen iodide using sensitized layered metal oxide semiconductors: The role of surface chemical modification in controlling back electron transfer reactions

The internally platinized wide bandgap semiconductor K4Nb6O17 can be sensitized by [(bpy)2Ru(4-(2,2a??-bipyrid-4-yl)-phenylphosphonic acid](PF6)2 (1). In aqueous iodide solutions at pH 2, the visible light photolysis of HI, to form H2 and I3-, is catalyzed by 1/K4-xHxNb6O17/Pt. The strong bond between the surface and the phosphonate group of 1 allows one to adsorb other surface species, which decrease the rate of the back electron transfer reaction between conduction band electrons and I3- ions. Methylphosphonic acid and undecylphosphonic acid do not form good surface monolayers on 1/K4-xHxNb6O17 and do not increase the rate of hydrogen evolution. Anionic surface modifiers [TiNbO5]nn-, derived from exfoliation of KTiNbO5, and poly(styrenesulfonate), PSS, increase the initial hydrogen evolution rate by factors of 3 and 5, respectively. In the latter case, the initial quantum yield for HI photolysis is ca. 3%. Transient diffuse reflectance spectroscopy was used to monitor the formation and disappearance of I3- ions with 1/K4-xHxNb6O17 and PSS/ 1/K4-xHxNb6O17. The rate constant for the back electron transfer reaction between conduction band electrons and I3- ions decreases from 3.17 (A¡À0.03) A? 107 to 3.01(A¡À0.02) A? 106 M-1 s-1 upon adsorption of PSS.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.Application In Synthesis of Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II). In my other articles, you can also check out more blogs about 15746-57-3

Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II), molecular formula is C20H16Cl2N4Ru. In a Article£¬once mentioned of 15746-57-3, Product Details of 15746-57-3

Dendritic tetranuclear Ru(II) complexes based on the nonsymmetrical PHEHAT bridging ligand and their building blocks: Synthesis, characterization, and electrochemical and photophysical properties

Dinuclear and tetranuclear Ru(II) compounds 1, 2, 3, and 4 based on the PHEHAT ligand (PHEHAT = 1,10-phenanthrolino[5,6-b]-1,4,5,8,9,12- hexaazatriphenylene) are prepared and characterized on the basis of the data for other related mononuclear species. Their electrochemical and spectroscopic behaviors are discussed. The nonspectroelectrochemical correlation obtained for 1, 2, 3, and 4 is explained on the basis of these data. From the behavior in emission, it is concluded that the internal energy transfer takes place from the core to the peripheral metallic units in 3 and 4.

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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

Application of 15746-57-3. Chemistry is an experimental science, and the best way to enjoy it and learn about it is performing experiments.Introducing a new discovery about 15746-57-3, Name is Cis-Dichlorobis(2,2′-bipyridine)ruthenium(II)

A membrane target to be able to photodynamic therapy of photosensitizer and its preparation method and application (by machine translation)

The present invention discloses a membrane target to be able to photodynamic therapy of photosensitizer and its preparation method and application, which belongs to the technical field of organic photoelectric material, the preparation method is through the bipyridyl, ruthenium trichloride and lithium chloride reaction to prepare the nine carbon bipyridyl II chloride bridged, through two chlorine bridges bipyridine with bipyridyl auxiliary ligand b reaction to obtain the epoxidation catalyst. The photosensitizer can be specifically targeting the cancer cell membrane, in particular under the irradiation of the excitation light and generating active oxygen, the destruction of the membrane surface, eventually leading to apoptosis, and has good optical power therapeutic effect, for photodynamic therapy has added a new train of thought. Such a film can target to photodynamic therapy of photosensitizer in the future in the biomedical applications has great potential. (by machine translation)

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Reference£º
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI