Výsledky vyhledávání - "Tamara, Mielke"

Preparative‐Scale Biocatalytic Oxygenation of N ‐Heterocycles with a Lyophilized Peroxygenase Catalyst

Autor: Balázs Pogrányi, Tamara Mielke, Alba Díaz‐Rodríguez, Jared Cartwright, William P. Unsworth, Gideon Grogan

Publikováno v: Angewandte Chemie. 135

A lyophilized preparation of an unspecific peroxygenase variant from Agrocybe aegerita (rAaeUPO-PaDa-I-H) is a highly effective catalyst for the oxygenation of a diverse range of N-heterocyclic compounds. Scalable biocatalytic oxygenations (27 prepar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f8580003e38bf4f5d98d7c5aae6edf2
https://doi.org/10.1002/ange.202214759

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Comparing the Catalytic and Structural Characteristics of a ‘Short’ Unspecific Peroxygenase (UPO) Expressed in Pichia pastoris and Escherichia coli

Autor: Wendy X. Q. Robinson, Tamara Mielke, Benjamin Melling, Anibal Cuetos, Alison Parkin, William P. Unsworth, Jared Cartwright, Gideon Grogan

Publikováno v: ChemBioChem. 24

Unspecific peroxygenases (UPOs) have emerged as valuable tools for the oxygenation of non-activated carbon atoms, as they exhibit high turnovers, good stability and depend only on hydrogen peroxide as the external oxidant for activity. However, the i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d411ae828a4ef342262c7c12dda9d561
https://doi.org/10.1002/cbic.202200558

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Akademický článek

Chlorophylls, Symmetry, Chirality, and Photosynthesis

Autor: Mathias O. Senge, Aoife A. Ryan, Kristie A. Letchford, Stuart A. MacGowan, Tamara Mielke

Publikováno v: Symmetry, Vol 6, Iss 3, Pp 781-843 (2014)

Chlorophylls are a fundamental class of tetrapyrroles and function as the central reaction center, accessory and photoprotective pigments in photosynthesis. Their unique individual photochemical properties are a consequence of the tetrapyrrole macroc

Externí odkaz: https://doaj.org/article/e3d65ecdddf0422ebabe7e3d036db8c5

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Chromoselective Photocatalysis Enables Stereocomplementary Biocatalytic Pathways

Autor: Selin Kara, Jared Cartwright, Lee Edwards, Tamara Mielke, Bartholomäus Pieber, Wolfgang Kroutil, Luca Schmermund, Christoph K. Winkler, Alba Diaz-Rodriguez, Sarah Bierbaumer, Gideon Grogan, Susanne Reischauer

Publikováno v: Kroutil, W, Reischauer, S, Bierbaumer, S, Winkler, C K, Diaz-Rodriguez, A, J. Edwards, L, Kara, S, Mielke, T, Cartwright, J, Grogan, G, Pieber, B & Schmermund, L 2021, ' Chromoselective Photocatalysis Enables Stereocomplementary Biocatalytic Pathways ', Angewandte Chemie, vol. 60, no. 13, pp. 6965-6969 . https://doi.org/10.1002/anie.202100164
Angewandte Chemie International Edition
Angewandte Chemie
ChemRxiv
Angewandte Chemie (International Ed. in English)
Schmermund, L, Reischauer, S, Bierbaumer, S, Winkler, C K, Diaz-Rodriguez, A, Edwards, L J, Kara, S, Mielke, T, Cartwright, J, Grogan, G, Pieber, B & Kroutil, W 2021, ' Chromoselective Photocatalysis Enables Stereocomplementary Biocatalytic Pathways** ', Angewandte Chemie-International Edition, vol. 60, no. 13, pp. 6965-6969 . https://doi.org/10.1002/anie.202100164

Controlling the selectivity of a chemical reaction with external stimuli is common in thermal processes, but rare in visible‐light photocatalysis. Here we show that the redox potential of a carbon nitride photocatalyst (CN‐OA‐m) can be tuned by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::499c03a4bfdc18f2a07c2120b1264a81
https://eprints.whiterose.ac.uk/172458/2/anie.202100164.pdf

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Switching Between Enantiomers by Combining Chromoselective Photocatalysis and Biocatalysis

Autor: Jared Cartwright, Alba Díaz-Rodríguez, Wolfgang Kroutil, Christoph K. Winkler, Lee Edwards, Bartholomäus Pieber, Luca Schmermund, Sarah Bierbaumer, Tamara Mielke, Selin Kara, Gideon Grogan, Susanne Reischauer

Publikováno v: Aarhus University

Controlling the selectivity of a chemical reaction with external stimuli is common in thermal processes, but rare in visible-light photocatalysis. Here we show that the redox potential of a carbon nitride photocatalyst (CN-OA-m) can be tuned by chang

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13b7b63f5373eff8d7553ecec2d758da
https://doi.org/10.26434/chemrxiv.13521527

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The Right Light: De Novo Design of a Robust Modular Photochemical Reactor for Optimum Batch and Flow Chemistry

Autor: Alba Diaz-Rodriguez, Kayleigh Mercer, George M. Taylor, Pawel Slade, Wei Xiang Ooi, Blandine S J McKay, John A. Murphy, Jack P. M. Roberts, Luca Schmermund, Jason D. Williams, Gemma C. Cook, Holly E. Bonfield, Tamara Mielke, Wolfgang Kroutil, Jared Cartwright, Gideon Grogan, Lee Edwards

Publikováno v: ChemPhotoChem

Having identified inconsistencies when repeating literature examples of photochemical transformations and difficulties recreating experimental setups, we devised several criteria that an ideal labscale reactor should achieve. Herein, we introduce a v

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e3c6f8116126a61d3797abeba0ce309d
https://unipub.uni-graz.at/doi/10.1002/cptc.201900203

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Chlorophylls, Symmetry, Chirality, and Photosynthesis

Autor: Kristie A. Letchford, Aoife A. Ryan, Tamara Mielke, Stuart A. MacGowan, Mathias O. Senge

Publikováno v: Symmetry, Vol 6, Iss 3, Pp 781-843 (2014)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::adafe80759678174628402d9b71e00b6
https://doi.org/10.3390/sym6030781

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Licht für Medizin und Diagnostik

Autor: Mathias O. Senge, Axel G. Griesbeck, Dominik Wöll, Kai Licha, Tamara Mielke, Bernd Strehmel, Heiko Ihmels

Publikováno v: Nachrichten aus der Chemie. 62:612-616

Tumortherapie, bildgebende Diagnostik, Fluoreszenzmikroskopie und schaltbare Materialien nutzen und profitieren von photochemischen und photophysikalischen Methoden.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1fe1640b2f70565a580c5b9bf80aad62
https://doi.org/10.1002/nadc.201490196

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Structures of the Apo and FAD-bound forms of 2-hydroxybiphenyl 3-monooxygenase (HbpA) locate activity hotspots identified by using directed evolution

Autor: Chantel N, Jensen, Tamara, Mielke, Joseph E, Farrugia, Annika, Frank, Henry, Man, Sam, Hart, Johan P, Turkenburg, Gideon, Grogan

Publikováno v: Chembiochem

The FAD-dependent monooxygenase HbpA from Pseudomonas azelaica HBP1 catalyses the hydroxylation of 2-hydroxybiphenyl (2HBP) to 2,3-dihydroxybiphenyl (23DHBP). HbpA has been used extensively as a model for studying flavoprotein hydroxylases under proc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::b50f866ebf69a5359eb7b7a55bca8b55
https://pubmed.ncbi.nlm.nih.gov/25737306

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In-situ Generation of Gold, Platinum and Palladium Nanoparticles in N-isopropylacrylamide-surfmer Copolymer Hydrogels and Catalytic Activity of the Gels

Autor: Tamara Mielke, Katharina Kraus, Bernd Tieke, Tatjana Friedrich

Publikováno v: Intelligent Hydrogels ISBN: 9783319016825

Preparation and catalytic activity of N-isopropylacrylamide (NIPAM)/surfmer copolymer hydrogels containing gold, palladium and platinum nanoparticles are described. The functional hydrogels were obtained in three steps. First a thermoresponsive copol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b2ab567fb224ace83b2cf6c9f213ebc
https://doi.org/10.1007/978-3-319-01683-2_9

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