Results 211 to 220 of about 5,905 (229)

Atypical Condensation Domains Guide Discovery and Illuminate Biosynthesis of Myxoglucamides Featuring Vinyl‐Substituted, α‐Oxidized γ‐Amino Acids

Angewandte Chemie, EarlyView.
Genome mining of atypical condensation (C) domains leads to the discovery of myxoglucamides, glycolipopeptides featuring an unprecedented vinyl‐substituted, α‐oxidized γ‐amino acid. Biosynthetic studies reveal a discrete C‐domain‐like O‐acyltransferase, a β‐hydroxylation‐dependent chain‐extension checkpoint, and an unusual pathway for γ‐amino acid ...
Tingting Wang, Alexander Popoff, Maja Hunter, Guangzhi Dai, Ronald Garcia, Huixin Xu, Haowen Zhao, Asfandyar Sikandar, Liujie Huo, Rolf Müller, Chengzhang Fu   +10 more
wiley   +2 more sources

Über die Bindungsstelle hinausgedacht: Ein sich selbsteinkapselnder Kinase‐Inhibitor modelliert seine Bindetasche und erzielt so Selektivität

Angewandte Chemie, EarlyView.
Um außergewöhnlich wirksame Wirkstoffe zu entwickeln, ist es erforderlich, über die Bindungsstelle hinaus zu denken. Diese Arbeit zeigt, dass die auf den ersten Blick kontraintuitive Adressierung einer konservierten Region der Kinase zu einer hochselektiven Bindung führen kann.
Nico J. Seidler, Monica R. MacDonald, Athina A. Moschopoulou, Sahba Cunningham, Tess M. Weber, Nader N. Nasief, Lorenz Mayer, Frederik W. Hacker, Ekaterina Hermann, Mareike B. Möllers, Yuliia Skliarenko, Tahereh Damghani, Abid N. Manzar, Kaly S. Lin, Ramona Rudalska, Marcia I. Goettert, Lars Zender, Daniel Dauch, Michael Forster, Stefan A. Laufer, David E. Heppner   +20 more
wiley   +1 more source

Der Teil und das Ganze: Feldabhängige THz‐ESR‐Spektroskopie sondiert gitterabhängige elektronische Struktur beim Spin‐Crossover von Eisen(II)

Angewandte Chemie, EarlyView.
Die THz‐ESR‐Spektroskopie ermöglicht einen direkten Zugang zur energetisch niedrig liegenden elektronischen Struktur und zur Spin‐Phonon‐Kopplung in Spin‐Crossover‐(SCO)‐Komplexen des Eisen(II). Die Quantifizierung des High‐Spin‐Anteils (γHS) und subtile Verschiebungen magnetischer Übergänge offenbaren den Einfluss des umgebenden Gitters und ...
Jooris Beyer, Gerald Ebert, Andreas Dürrmann, Benjamin Kintzel, Gerald Hörner, Tarek Al Said, Karsten Holldack, Birgit Weber, Winfried Plass   +8 more
wiley   +1 more source

Chemoenzymatic Radiosynthesis of a Gluconate Transporter‐Targeted In Vivo Bacterial Sensor From Clinical [18F]FDG

Angewandte Chemie, EarlyView.
An efficient radiosynthesis of fluorine‐18 labeled gluconic acid ([18F]FGA) was developed using two readily available materials, 2‐deoxy‐2‐[18F]fluoro‐D‐glucose ([18F]FDG) and glucose oxidase. [18F]FGA is highly specific for bacterial gluconate metabolism mediated by gluconate permease (GntP) and gluconate kinase (GntK), with rapid clearance, low off ...
Sang Hee Lee, Jung Min Kim, Joseph Blecha, Robert R. Flavell, Michael A. Ohliger, Joanne Engel, Youngho Seo, David M. Wilson   +7 more
wiley   +2 more sources

Oxygen‐Tolerant, Controlled Synthesis of Degradable and Water‐Soluble Poly(Vinyl Amide)s via Radical Ring‐Opening Copolymerization of Cyclic Dithiothreitol

Angewandte Chemie, EarlyView.
Oxygen‐tolerant photoinduced electron/energy transfer reversible addition–fragmentation chain transfer (PET‐RAFT) polymerization enables the controlled radical ring‐opening (rROP) copolymerization of cyclic dithiothreitol (cDTT) with less‐activated vinyl monomers, affording degradable polymers with predictable molecular weights, low dispersities, and ...
Alessandro Magro, Ivan O. Levkovsky, Hironobu Murata, Francesca Lorandi, Edmondo M. Benetti, Krzysztof Matyjaszewski   +5 more
wiley   +2 more sources

Katalyse durch einen metastabilen, photoschaltbaren Käfig

Angewandte Chemie, EarlyView.
Ein selbstassemblierter heteroleptischer Käfig entsteht durch die Isomerisierung eines photoschaltbaren Liganden in seine metastabile Z‐Isomerform (Z‐1) unter Einwirkung von grünem Licht, kombiniert mit einem nicht schaltbaren Liganden 2 und Palladium(II)‐Ionen.
Simona S. Capomolla, Christopher M. Leonhardt, Samina Rasheed, Jake P. Violi, William A. Donald, Paul J. Lusby, Jonathon E. Beves   +6 more
wiley   +1 more source

Thinking Outside the Binding Site: A Self‐Encapsulating Kinase Inhibitor Remodels Its Pocket to Achieve Selectivity

Angewandte Chemie International Edition, EarlyView.
To make exceptionally effective drugs, thinking “outside the binding site” is required. This work reveals that counterintuitive targeting of a kinase‐conserved region can lead to highly selective binding. Inhibitor discovery coupled to x‐ray crystallography shows that a network of noncanonical interactions and long‐range effects of distant unique amino
Nico J. Seidler, Monica R. MacDonald, Athina A. Moschopoulou, Sahba Cunningham, Tess M. Weber, Nader N. Nasief, Lorenz Mayer, Frederik W. Hacker, Ekaterina Hermann, Mareike B. Möllers, Yuliia Skliarenko, Tahereh Damghani, Abid N. Manzar, Kaly S. Lin, Ramona Rudalska, Marcia I. Goettert, Lars Zender, Daniel Dauch, Michael Forster, Stefan A. Laufer, David E. Heppner   +20 more
wiley   +1 more source

Catalysis by a Metastable Photoswitchable Cage

Angewandte Chemie International Edition, EarlyView.
A self‐assembled heteroleptic cage is formed by isomerizing a photoswitchable ligand to its metastable Z‐isomeric form (Z‐1) using green light and combining with a non‐switchable ligand (2) and palladium(II) ions. The metastable [Pd2(Z‐1)2(2)2]4+ cage is an out‐of‐equilibrium self‐assembled catalyst, and can be reversibly assembled and disassembled ...
Simona S. Capomolla, Christopher M. Leonhardt, Samina Rasheed, Jake P. Violi, William A. Donald, Paul J. Lusby, Jonathon E. Beves   +6 more
wiley   +1 more source

Optimization of Saponification Process for Quantification of Individual and Total Tocopherols and Phytosterols in Canola Oil Refining By‐Products

Journal of the American Oil Chemists' Society, EarlyView.
ABSTRACT In this study, saponification variables were optimized using a face‐centred central composite design‐response surface methodology. The variables included reaction temperature (50°C–120°C), reaction time (30–180 min), KOH concentration (0.5–3 M) and pyrogallol concentration (0–1% w/v).
Milad Kazemi, Paul Prenzler, Lachlan Schwarz, Michael Loughlin, Randy Adjonu   +4 more
wiley   +1 more source

Foam Injection Molded Stereocomplex PLA: Processing, Thermal Behavior and Foam Structure

Journal of Applied Polymer Science, EarlyView.
The processing of stereocomplex poly(lactic acid) (sc‐PLA) via continuous compounding followed by thermoplastic foam injection molding is investigated. A controlled two‐stage cooling strategy effectively promotes sc‐dominated crystallization of the granulates.
Hendrik Becker, Roman Rinberg, Martin Schneebauer, Tobias Hartmann, Lothar Kroll   +4 more
wiley   +1 more source