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83 Aktuelle Fachpublikationen zum Thema Hydrolyse

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Switchable Hydrolase Based on Reversible Formation of Supramolecular Catalytic Site Using a Self‐Assembling Peptide

11.10.2017 | Rein V Ulijn, Chunqiu Zhang, Ramim Shafi, Ayala Lampel, Douglas MacPherson, Charalampas Pappas, Vishal Narang, Tong ..., Angewandte Chemie, 2017

Abstract The reversible regulation of catalytic activity is a feature found in natural enzymes which is not commonly observed in artificial catalytic systems. Here, we fabricate an artificial hydrolase with pH‐switchable activity, achieved by introducing a catalytic histidine residue at the ...

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A Sodium‐Ion‐Conducting Direct Formate Fuel Cell: Generating Electricity and Producing Base

28.04.2017 | Yinshi Li, Ying Feng, Xianda Sun, Yaling He, Angewandte Chemie, 2017

Das alkalische Milieu und die Ladungsträger in einer alkalischen Brennstoffzelle können durch Hydrolyse des Brennstoffs erzeugt werden. In ihrer Zuschrift (DOI: 10.1002/ange.201701816) berichten Y. S. Li et al. über eine Na+‐leitende Direktformiat‐Brennstoffzelle, die ohne Zugabe einer Base ...

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Supported Rhodium Catalysts for Ammonia–Borane Hydrolysis: Dependence of the Catalytic Activity on the Highest Occupied State of the Single Rhodium Atoms

30.03.2017 | Liangbing Wang, Hongliang Li, Wenbo Zhang, Xiao Zhao, Jianxiang Qiu, Aowen Li, Xusheng Zheng, Zhenpeng Hu, Rui Si, J ..., Angewandte Chemie, 2017

Abstract Supported metal nanocrystals have exhibited remarkable catalytic performance in hydrogen generation reactions, which is influenced and even determined by their supports. Accordingly, it is of fundamental importance to determine the direct relationship between catalytic performance and ...

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Palladium‐Catalyzed Hydrolytic Cleavage of Aromatic C−O Bonds

18.01.2017 | Meng Wang, Hui Shi, Donald M. Camaioni, Johannes A. Lercher, Angewandte Chemie, 2017

Abstract Metallic palladium surfaces are highly selective in promoting the reductive hydrolysis of aromatic ethers in aqueous phase at relatively mild temperatures and pressures of H2. At quantitative conversions, the selectivity to hydrolysis products of PhOR ethers was observed to range from ...

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Oxygen Activation at the Active Site of a Fungal Lytic Polysaccharide Monooxygenase

22.12.2016 | William B. O'Dell, Pratul K. Agarwal, Flora Meilleur, Angewandte Chemie, 2016

Die oxidative Spaltung glykosidischer Bindungen ermöglicht es lytischen Polysaccharid‐Monooxygenasen (LPMOs), die Polysaccharidketten aufzuspalten. Diese Aktivität verstärkt die enzymatische Hydrolyse von hartnäckiger Kohlenhydrat‐Biomasse wie Zellulose oder Chitin. F. Meilleur und Mitarbeiter ...

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In‐Cell Activation of Organo‐Osmium(II) Anticancer Complexes

21.12.2016 | Russell J. Needham, Carlos Sanchez‐Cano, Xin Zhang, Isolda Romero‐Canelón, Abraha Habtemariam, Margaret S. Cooper, L ..., Angewandte Chemie, 2016

Abstract The family of iodido OsII arene phenylazopyridine complexes [Os(η6‐p‐cym)(5‐R1‐pyridylazo‐4‐R2‐phenyl))I]+ (where p‐cym=para‐cymene) exhibit potent sub‐micromolar antiproliferative activity towards human cancer cells and are active in vivo. Their chemical behavior is distinct from ...

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Fungal glycolipid hydrolase inhibitors and their effect on Cryptococcus neoformans

01.12.2016 | Andres Gonzalez Santana, Christina Tysoe, Guanggan Hu, James Kronstad, Ethan Goddard-Borger, Stephen Withers, ChemBioChem, 2016

Pathogenic fungi kill an estimated 1.3 million people each year. This number is predicted to rise as drug resistance spreads, thus antifungal drugs with novel modes of action are urgently required. Fungal endoglycoceramidase‐related proteins 1 and 2 (EGCrP‐1 and ‐2), which hydrolyse ...

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Hollow Nanotubes of N‐Doped Carbon on CoS

16.11.2016 | Yuming Chen, Xiaoyan Li, Kyusung Park, Limin Zhou, Haitao Huang, Yiu‐Wing Mai, John B. Goodenough, Angewandte Chemie, 2016

Abstract Low‐cost, single‐step synthesis of hollow nanotubes of N‐doped carbon deposited on CoS is enabled by the simultaneous use of three functionalities of polyacrylonitrite (PAN) nanofibers: 1) a substrate for loading active materials, 2) a sacrificial template for creating hollow tubular ...

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Tailoring Transition‐Metal Hydroxides and Oxides by Photon‐Induced Reactions

18.10.2016 | Kai‐Yang Niu, Liang Fang, Rong Ye, Dennis Nordlund, Marca M. Doeff, Feng Lin, Haimei Zheng, Angewandte Chemie, 2016

Abstract Controlled synthesis of transition‐metal hydroxides and oxides with earth‐abundant elements have attracted significant interest because of their wide applications, for example as battery electrode materials or electrocatalysts for fuel generation. Here, we report the tuning of the ...

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Nanofibrillar Stimulus‐Responsive Cholesteric Microgels with Catalytic Properties

13.10.2016 | Sangho Cho, Yunfeng Li, Minseok Seo, Eugenia Kumacheva, Angewandte Chemie, 2016

Abstract We report composite stimulus‐responsive cholesteric catalytically active microgels derived from filamentous supramolecular building blocks: cellulose nanocrystals (CNCs). The variation in the microgel dimensions and pitch in response to the change in ambient conditions was governed by ...

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