Title: Electrochemical Water Oxidation with Cobalt-Based Electrocatalysts from pH 0–14: The Thermodynamic Basis for Catalyst Structure, Stability and Activity Authors: James B. Gerken , J. Gregory McAlpin , Jamie Y. C. Chen , Matthew L. Rigsby , William H Casey , R. David Britt , and…
Formate Oxidation on a Ni Electrocatalyst
Title: Electrocatalytic Oxidation of Formate by [Ni(PR2NR)2)2(CH3CN)2+ Complexes Authors: Brandon R. Galan*, Julia Shoffel#, John C. Linehan*, Candace Seu#, Aaron M. Appel*, John A. S. Roberts*, Monte L. Helm **, Uriah J. Kilgore*, Jenny Y. Yang*, Daniel L. Dubois*, and Clifford P. Kubiak# Journal: Journal of the…
Intrinsic Proton-Donating Power of Zinc-Bound Water in a Carbonic Anhydrase Active Site Model Estimated by NMR
Title: Intrinsic Proton-Donating Power of Zinc-Bound Water in a Carbonic Anhydrase Active Site Model Estimated by NMR Authors: Stepan B. Lesnichin†‡, Ilya G. Shenderovich*†‡, Titin Muljati†, David Silverman, and Hans-Heinrich Limbach*† Journal: Journal of the American Chemical Society Affiliation: †Institut für Chemie und Biochemie, Freie Universität Berlin ‡Department…
Putting the Heat on Hydrogels
Title: Controllable heterogeneity in a supramolecular hydrogel Authors: Atsuomi Shundo*a, Keiko Mizuguchib, Misao Miyamotocd, Masahiro Gotoae and Keiji Tanaka*abe Journal: Chemical Communications Affiliation: aDepartment of Applied Chemistry, Kyushu University; bDepartment of Automotive Science, Kyushu University; cNissan Chemical Industries, Ltd.; dArt, Science and Technology Center for Cooperative Research, Kyushu University; eCenter for…
Synthetic manganese–calcium oxides mimic the water-oxidizing complex of photosynthesis functionally and structurally
Title: Synthetic manganese–calcium oxides mimic the water-oxidizing complex of photosynthesis functionally and structurally Authors: Ivelina Zaharieva, M. Mahdi Najafpour, Mathias Wiechen, Michael Haumann, Philipp Kurz and Holger Dau Journal: Energy and Environmental Science, 2011, 4, 2400-2408 Published: March 3, 2011 Main Affiliations: Fachbereich Physik, Freie Universität…
Demetalation of a Single Organometallic Complex
Title: Demetalation of a Single Organometallic Complex Authors: Alexander Sperl, Jorg Kroger, and Richard Berndt Journal: Journal of the American Chemical Society Affiliation: Institut for Experimentelle und Angewandte Physik, Christian-Albrechts-Universitat zu Kiel, Germany, and Institut for Physik, Technische Universitat Ilmenau, Germany Sometimes a scientific article is…
Dinitrogen Complexes of Sulfur-Ligated Iron
Title: Dinitrogen Complexes of Sulfur-Ligated Iron Authors: Ayumi Takaoka, Neal P. Mankad, and Jonas C. Peters Journal: Journal of the American Chemical Society Affiliation: Division of Chemistry and Chemical Engineering, California Institute of Technology One great mystery in bioinorganic chemistry is how the FeMo nitrogenase cofactor,…
Ethane to Ethylene
Title: Room Temperature Dehydrogenation of Ethane to Ethylene Authors: Vincent N. Cavaliere, Marco G. Crestani, Balazs Pinter, Maren Pink, Chun-Hsing Chen, Mu-Hyun Baik, and Daniel J. Mindiola Journal: Journal of the American Chemical Society Affiliation: Department of Chemistry and Molecular Structure Center, Indiana University Chemists are…
Design principles for oxygen-reduction activity on perovskite oxide catalysts for fuel cells and metal–air batteries
Title: Design principles for oxygen-reduction activity on perovskite oxide catalysts for fuel cells and metal–air batteries Authors: Jin Suntivich, Hubert A. Gasteiger, Naoaki Yabuuchi, Haruyuki Nakanishi, John B. Goodenough, and Yang Shao-Horn Journal: Nature Chemistry Main Affiliation: Materials Science and Engineering Department and Electrochemical Energy Laboratory,…
CO reduction using Hydrogen and a Uranium complex
Title: Facile Conversion of CO/H2 to Methoxide at a Uranium(III) Center Authors: Alistair S. P. Frey*, F. Geoffrey N. Cloke*, Martyn P. Coles*, Laurent Maron#, and Thomas Davin # Journal: Angewandte Chemie International Edition Affiliation: *Division of Chemistry, School of Life Sciences University of Sussex, Brighton,…
Drug Delivery via Hydrogels
Title: Self-assembling peptide–polysaccharide hybrid hydrogel as a potential carrier for drug delivery Authors: Renliang Huang, Wei Qi, Libin Feng, Rongxin Su and Zhimin He Journal: Soft Matter Affiliation: State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University Hydrogels are big networks…
Al catalyst for synthesis of biodegradable polymers
Title: Highly Efficient Aluminum-Catalyzed Ring-Opening Polymerization of Cyclic Carbonates, Lactones, and Lactides, Including a Unique Crystallographic Snapshot of an Intermediate Authors: Jurgen Koller and Robert Bergman Journal: Organometallics Affiliation: Department of Chemistry, University of California, Berkeley Snapshot of Catalysis: The crystal structures of the pre-catalyst (left),…
Stretchable Magnetoelectronics
Title: Stretchable Magnetoelectronics Journal: Nano Letters Authors: Michael Melzer†, Denys Makarov*†, Alfredo Calvimontes‡, Daniil Karnaushenko†, Stefan Baunack†, Rainer Kaltofen†, Yongfeng Mei§, and Oliver G. Schmidt*† Affiliation: † Institute for Integrative Nanosciences, IFW Dresden, ‡ Leibniz Institute of Polymer Research Dresden, § Department of Materials Science, Fudan University, Material Systems…
Proton-Coupled Electron Transfer from Tryptophan: A concerted Mechanism with Water as Proton Acceptor
Paper: Proton-Coupled Electron Transfer from Tryptophan: A concerted Mechanism with Water as Proton Acceptor Authors: Ming-Tian Zhang and Leif Hmmarstrӧm Journal: Journal of the American Chemical Society PCET (Proton-Coupled Electron Transfer) refers to the transfer of electron thermodynamically coupled to that of proton. The transfer of…
The Crystal Structure of Photosystem II
Title: Crystal Structure of oxygen-evolving photosystem II at a resolution of 1.9 angstroms Authors: *Yasufumi Umena, +Keisuke Kawakami, +Jian-Ren Shen, and *Nobou Kamiya Journal: Nature Affiliation: *Department of Chemistry, Graduate School of Science, Osaka City University. + Division of Bioscience, Graduate School of Natural Science and…
Gold Nanorods for Therapeutics
Title: Light Interactions with Gold Nanorods and Cells: Implications for Photothermal Nanotherapeutics Journal: Nano Letters Authors: Constantin Ungureanu†, Rene Kroes†, Wilma Petersen†, Tom A. M. Groothuis‡, Felicia Ungureanu‡, Hans Janssen§, Fijs W. B. van Leeuwen, Rob P. H. Kooyman‡, Srirang Manohar†, and Ton G. van Leeuwen†…
New Conjugated Polymers for Organic Solar Cells
Title: Indacenodithiophene and Quinoxaline-Based Conjugated Polymers for Highly Efficient Polymer Solar Cells Authors: Yong Zhang, Jingyu Zou, Hin-Lap Yip, Kung-Shih Chen, David F. Zeigler, Ying Sun, and Alex K.-Y. Jen Affiliation: Department of Materials Science and Engineering, University of Washington, Seattle, Washington Journal: Chemistry of Materials Organic solar…
Controlled Growth of Gold Nanoparticles
Title: Synthesis and Isolation of {110}-Faceted Gold Bipyramids and Rhombic Dodecahedra Authors: Michelle L. Personick, Mark R. Langille, Jian Zhang, Nadine Harris, George C. Schatz, and Chad A. Mirkin Journal: Journal of the American Chemical Society Affiliation: Department of Chemistry and International Institute for Nanotechnology, Northwestern…
Women and Named Reactions
Title: Critical Perspective: Named Reactions Discovered and Developed by Women Journal: Accounts of Chemical Research Authors: Julie A. Olson and Kevin M. Shea Affiliation: Smith College This post is a bit different than our other posts in that it is not a direct summary of a…
Changing Color with the Application of Charge
Title: Layer-by-Layer Assembled Solid Polymer Electrolyte for Electrochromic Devices Journal: Chemistry of Materials Authors: Chien A. Nguyan,† Avni A. Argun, Paula T. Hammond, Xuehong Lu,†‡ and Poo See Lee†‡§ Affiliation: †Temasek Laboratories, Nanyang Technological University; ‡School of Materials Science and Engineering, Nanyang Technological University; §Department of Chemical…
Synthesis of Cadmium Arsenide Quantum Dots Luminescent in the Infrared
Title: Synthesis of Cadmium Arsenide Quantum Dots Luminescent in the Infrared Authors: Daniel K. Harris, Peter M. Allen, Hee-Sun Han, Brian J. Walker, Jungmin Lee, and Moungi G. Bawendi Journal: Journal of the American Chemical Society Quantum Dots are three dimensional semiconductors, which have electrical conductivity…
Organic-Inorganic Composite Nanomaterials
Title: Semiconductor Anisotropic Nanocomposites Obtained by Directly Coupling Conjugated Polymers with Quantum Rods** Authors: Lei Zhao, Xinchang Pang, Ramkrishna Adhikary, Jacob W. Petrich, and Zhiqun Lin Journal: Angewandte Chemie International Ed. Organic-inorganic hybrid solar cells using combinations of conjugated polymers and semiconductor nanocrystals (quantum dots) offer…
DNA charge transport over 34 nm
Title: DNA charge transport over 34 nm Authors: Jason D. Slinker, Natalie B. Muren, Sara E. Renfrew and Jacqueline K. Barton* Affiliation: Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California Journal: Nature Chemistry, 3, 230-235 (2011) | doi: 10. 1038/nchem.982 In the…
Iron Catalyzed C-H Activation
Title: Catalytic C−H Bond Amination from High-Spin Iron Imido Complexes Authors: Evan R. King, Elisabeth T. Hennessy, and Theodore A. Betley Journal: Journal of the American Chemical Society Affiliation: Department of Chemistry and Chemical Biology, Harvard University Proposed catalytic cycle of C-H amination and olefin aziridination.…
Enantioselective α-Arylation of Aldehydes via the Productive Merger of Iodonium Salts and Organocatalysis
Anna E. Allen and David W. C. MacMillan* J. Am. Chem. Soc., ASAP In the Buchwald lab here at MIT (of which I am a part), we use palladium catalysis to construct C-Z bonds, where X = C, O, N, halogen, etc. One reaction developed in…