Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Steffen Weidner"'
Autor:
Sabrina Diehn, Boris Zimmermann, Murat Bağcıoğlu, Stephan Seifert, Achim Kohler, Mikael Ohlson, Siri Fjellheim, Steffen Weidner, Janina Kneipp
Publikováno v:
Scientific Reports, Vol 8, Iss 1, Pp 1-11 (2018)
Abstract MALDI time-of-flight mass spectrometry (MALDI-TOF MS) has become a widely used tool for the classification of biological samples. The complex chemical composition of pollen grains leads to highly specific, fingerprint-like mass spectra, with
Externí odkaz:
https://doaj.org/article/54b6cd56f1064ad1b7c09a765e4378db
Autor:
Sabrina Diehn, Boris Zimmermann, Valeria Tafintseva, Stephan Seifert, Murat Bağcıoğlu, Mikael Ohlson, Steffen Weidner, Siri Fjellheim, Achim Kohler, Janina Kneipp
Publikováno v:
Frontiers in Plant Science, Vol 10 (2020)
The analysis of pollen chemical composition is important to many fields, including agriculture, plant physiology, ecology, allergology, and climate studies. Here, the potential of a combination of different spectroscopic and spectrometric methods reg
Externí odkaz:
https://doaj.org/article/4d5c2646dd044e20b13e247b89ae95de
Autor:
Nicolas Zydziak, Waldemar Konrad, Florian Feist, Sergii Afonin, Steffen Weidner, Christopher Barner-Kowollik
Publikováno v:
Nature Communications, Vol 7, Iss 1, Pp 1-13 (2016)
Controlling the molecular sequence of polymers and oligomers is a challenging task. Here the authors use a photoligation approach to synthesise macromolecules with functionality at defined positions throughout the chain, and additionally decode the s
Externí odkaz:
https://doaj.org/article/3d51d8a57ddc4cbd928a010b0c6f25d8
Autor:
Nicolas Zydziak, Waldemar Konrad, Florian Feist, Sergii Afonin, Steffen Weidner, Christopher Barner-Kowollik
Publikováno v:
Nature Communications, Vol 7, Iss 1, Pp 1-3 (2016)
Nature Communications 7: Article number: 13672 (2016); Published 30 November 2016; Updated 23 December 2016 Figures 1 and 6 of this Article contain errors that were introduced during the production process. In Fig. 1, the reaction conditions required
Externí odkaz:
https://doaj.org/article/045e64e286d84772ad8a285b529135e0
Publikováno v:
Separations, Vol 4, Iss 1, p 8 (2017)
The performance of a miniaturized channel for the separation of polymer and metal nanoparticles (NP) using Asymmetrical Flow Field-Flow Fractionation (AF4) was investigated and compared with a conventional AF4 system. To develop standard separation m
Externí odkaz:
https://doaj.org/article/0a540e811a89483db13ed67231ff9c07
Publikováno v:
Analytical Methods. 15:1979-1984
TD GC-MS can be used as an additional tool for determining polyurethane degradation products, closing the low-molecular mass gap.
Autor:
Taha Chabbah, Saber Chatti, Nicole Jaffrezic‐Renault, Steffen Weidner, Catherine Marestin, Regis Mercier
Publikováno v:
Polymers for Advanced Technologies.
Publikováno v:
Angewandte Chemie. 133:15035-15041
Eine Reihe gespannter aromatischer Makrozyklen basierend auf [n]Cyclo-2,7-(4,5,9,10-tetrahydro)pyrenylenen wurde an der K-Region der Pyreneinheit mit Ethylenglykol-Gruppen funktionalisiert, um im Innenraum des Makrozyklus eine definierte Bindungstasc
Formation mechanism of a nano ring of bismuth cations and mono-lacunary Keggin-type phosphomolybdate
Autor:
Inês C. B. Martins, Dominik Al‐Sabbagh, Ursula Bentrup, Julien Marquardt, Thomas Schmid, Ernesto Scoppola, Werner Kraus, Tomasz M. Stawski, Ana Guilherme Buzanich, Kirill V. Yusenko, Steffen Weidner, Franziska Emmerling
Publikováno v:
Chemistry – A European Journal
A new hetero-bimetallic polyoxometalate (POM) nano ring was synthesized in a one-pot procedure. The structure consists of tetrameric units containing four bismuth-substituted monolacunary Keggin anions including distorted [BiO8] cubes. The nano ring
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d9d0224eaa2e481f84f8774306c24c6
https://hdl.handle.net/21.11116/0000-000A-1DC0-D21.11116/0000-000A-6F54-C
https://hdl.handle.net/21.11116/0000-000A-1DC0-D21.11116/0000-000A-6F54-C
Publikováno v:
Angewandte Chemie (International Ed. in English)
A set of strained aromatic macrocycles based on [n]cyclo‐2,7‐(4,5,9,10‐tetrahydro)pyrenylenes is presented with size‐dependent photophysical properties. The K‐region of pyrene was functionalized with ethylene glycol groups to decorate the o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::014386a41c252b0843699a437789072d