Zobrazeno 1 - 10 of 18 pro vyhledávání: '"Lorenz Liesum"'
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Akademický článek
Electron Paramagnetic Resonance Spectroscopy
Autor: Carlos Calle, Sabine Van Doorslaer, Stefan Stoll, Zoltan Mádi, Lorenz Liesum, Walter Lammler, Moritz Kälin, Jeffrey Harmer, Willi Groth, Igor Gromov, Josef Granwehr, Jörg Forrer, Cinzia Finazzo, Rüdiger-A. Eichel, Arthur Schweiger
Publikováno v: CHIMIA, Vol 55, Iss 10 (2001)
A survey of the activities of the EPR group at ETH is given. The different research areas are discussed briefly and a particular project is highlighted.
Externí odkaz: https://doaj.org/article/10fcc096d3024e1097315fbb957f981c
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2
Multivariate Spectroscopic Method Lifecycle Management as Part of the Quality Management System
Autor: Lorenz Liesum, Yang Liu, Md. Anik Alam, Sean Daughtry, Aaron W. Garrett, Zhenqi Shi, Benoît Igne, Sarah Nielsen
Publikováno v: Journal of pharmaceutical sciences. 110(8)
Multivariate model based spectroscopic methods require model maintenance through their lifecycle. A survey conducted by the International Consortium for Innovation and Quality in Pharmaceutical Development (IQ) in 2019 showed that regulatory reportin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd88ea28a8dd13c86bb737a8c8415a24
https://pubmed.ncbi.nlm.nih.gov/33785351
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4
The Role of Multivariate Statistical Process Control in the Pharma Industry
Autor: Lorenz Liesum, Antonio Peinado, Dominique S. Kummli, Neil McDowall
With modern automation and information technology solutions implemented in pharmaceutical manufacturing, process data, and material attributes gathered during the different manufacturing steps are available in almost real-time. In order to have these
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::592c8975edcb7aab606359e53f284420
https://doi.org/10.1016/b978-0-12-811065-2.00015-1
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5
Mixing of Particulate Material Studied by near Infrared Spectroscopy
Autor: Lizbeth Martínez, Lorenz Liesum, Antonio Peinado
Publikováno v: NIR news. 26:4-7
This study aimed to characterise by near infrared (NIR) spectroscopy the physical parameters that are relevant to the quality of a pharmaceutical blend, such as mean particle size of a granular material, incompatibilities between particle size of the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dd7fa36bebda26e5838757ea2c9f7faf
https://doi.org/10.1255/nirn.1520
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6
Tropad: a new ligand for the synthesis of water-stable paramagnetic [16+1]-electron rhodium and iridium complexes
Autor: Frank Breher, Jeffrey Harmer, Hansjörg Grützmacher, Gilles Frison, Carsten Böhler, Arthur Schweiger, Lorenz Liesum
The new tetradentate ligand 1,4-bis(5 H-dibenzo[a,d]cyclohepten-5-yl)-1,4-diazabuta-1,3-diene ((H)tropdad) allows the syntheses of the 16-electron cationic rhodium complexes [M((H)tropdad)](O(3)SCF(3)) (M=Rh, Ir). The structure of the rhodium complex
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b8166ca6533be3c6914b393c15905bf7
https://doi.org/10.1002/chem.200204700
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7
Multiple quantum coherence in HYSCORE spectra
Autor: Lorenz Liesum, Arthur Schweiger
Publikováno v: The Journal of Chemical Physics. 114:9478-9488
The implementation of matched pulses in two-dimensional electron spin echo envelope modulation experiments results in a drastic increase in intensity of peaks representing nuclear multiple quantum coherence. For a spin system consisting of one electr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5caf15ae7ce49901102a71bc33ec74c0
https://doi.org/10.1063/1.1368366
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8
Cyclic In-Plane Electron Delocalization (σ-Bishomoaromaticity) in 4N/5e Radical Anions and 4N/6e DianionsGeneration, Structures, Properties, Ion-Pairing, and Calculations
Autor: Lorenz Liesum, Birgit Grossmann, Markus Vögtle, Kai Exner, Georg Gescheidt, Horst Prinzbach, Oliver Cullmann, Rainer Bachmann, and Arthur Schweiger, Jürgen Heinze
Publikováno v: Journal of the American Chemical Society. 122:10650-10660
Cyclic delocalization of five and six electrons, respectively, in the plane of four N centers was explored by one-/two-electron reduction of more or less rigid, parallel bisdiazenes (1−7), with NN/NN distances (dππ) ranging from ∼2.8 to 5.0 A,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5eb504e00872c1be4bcb4228fa8f3e0a
https://doi.org/10.1021/ja0014943
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9
Efficient Simulation of ESEEM Spectra Using Gamma
Autor: Arthur Schweiger, J. Shane, Lorenz Liesum
Publikováno v: Journal of Magnetic Resonance. 134:72-75
Using the Gamma class library for C++ it is possible to write very efficient time-domain simulation programs for echo-detected pulse EPR experiments, such as three-pulse ESEEM and HYSCORE. By grouping sections of time-invariant propagators, the initi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::815ee1b1e433aef8201242e25030b93d
https://doi.org/10.1006/jmre.1998.1529
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10
A Monomeric d9-Rhodium(0) Complex
Autor: Arthur Schweiger, Michael Wörle, Hansjörg Grützmacher, Souad Boulmaâz, Hartmut Schönberg, Lorenz Liesum
Publikováno v: Angewandte Chemie International Edition. 37:1423-1426
A pocket suitable for bonding transition metals is formed by the 5-phosphanyl group and the olefinic unit of the central seven-membered ring, which has a rigid boat conformation, of the ligand troppPh (1). This new ligand system allows the synthesis
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::113aa3b3965dd65980592d38bbbf56d0
https://doi.org/10.1002/(sici)1521-3773(19980605)37:10<1423::aid-anie1423>3.0.co
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