Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Jens Rehbein"'
Autor:
Maximilian Kuehnle, Petra Hentschel, Marc P. Bayer, Benjamin Dietrich, Paul Schuler, Karsten Holtin, Jens Rehbein, Klaus Albert, Marc David Grynbaum
Publikováno v:
Journal of Separation Science. 30:2382-2390
An overview upon modern analytical techniques for the isolation, separation, and structural identification of the essential bioactive carotenoid bixin is given. Isolation from biological matrices is performed by matrix solid phase dispersion (MSPD).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73bcd6bd9ded0f2c14895298ff73a3d9
https://doi.org/10.1002/jssc.200700089
https://doi.org/10.1002/jssc.200700089
Publikováno v:
Journal of Chromatography A. 1156:80-86
The increased demand for chromatographic materials that are able to achieve a fast separation of large quantities of structure analogues is a great challenge. It is known that polymer based chromatographic materials have a higher loadability, compare
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35aee6f14c6df0df94a2789aa7cba954
https://doi.org/10.1016/j.chroma.2006.11.032
https://doi.org/10.1016/j.chroma.2006.11.032
Autor:
Klaus Albert, Andrew Webb, Diana Kreidler, Paul Schuler, Volker Schurig, Harri Czesla, Armin Purea, Marc David Grynbaum, Walter Schaal, Jens Rehbein
Publikováno v:
Analytical Chemistry. 79:2708-2713
Whereas the hyphenation of gas chromatography (GC) with mass spectrometry is of great importance, little is known about the coupling to nuclear magnetic resonance spectroscopy (NMR). The investigation of this technique is an attractive proposition be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::effd6c7c47fbe99aa3f476b52a63eec9
https://doi.org/10.1021/ac0617767
https://doi.org/10.1021/ac0617767
Autor:
Urban Skogsberg, Klaus Albert, Norbert Welsch, Jens Rehbein, Christoph Meyer, Börje Sellergren, Andy Hall, Gerd Fischer, Siri Schauff
Publikováno v:
Polymer. 48:229-238
Suspended-state high resolution/magic angle spinning nuclear magnetic resonance spectroscopy and solid-state cross-polarization/magic angle spinning nuclear magnetic resonance spectroscopy were employed to study the interactions between 9-ethyladenin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::840834f1ec59a0b9bd10ebfe4146351b
https://doi.org/10.1016/j.polymer.2006.10.036
https://doi.org/10.1016/j.polymer.2006.10.036
Autor:
Petra Hentschel, Klaus Albert, Karsten Putzbach, Péter Molnár, József Deli, Marc David Grynbaum, Jens Rehbein
Publikováno v:
Journal of Chromatography A. 1112:285-292
Thermal and iodine-catalyzed photochemical ( Z / E )-isomerization of deoxylutein II [(3 R ,6′ R )-3-hydroxy-3′,4′-didehydro-β,γ-carotene, anhydrolutein I] ( 2 ), the dehydration product of lutein [(3 R ,3′ R ,6′ R )-β,ɛ-carotene-3,3′
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24d36259ab54fb1dfc919c38196b3544
https://doi.org/10.1016/j.chroma.2005.12.082
https://doi.org/10.1016/j.chroma.2005.12.082
Autor:
Karsten Putzbach, Manfred Krucker, Petra Hentschel, Graeme J. Nicholson, Marc David Grynbaum, Klaus Albert, Jens Rehbein
Publikováno v:
Journal of Separation Science. 28:1685-1693
HPLC atmospheric pressure chemical ionization (APCI)/MS, GC MS, HPLC diode array detection (DAD), and NMR were used for the identification of astaxanthin and astaxanthin fatty acid esters in krill (Euphausia superba Dana). Matrix solid phase dispersi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4151cfc43a0f8954b8f4e0a6b37d94fb
https://doi.org/10.1002/jssc.200500152
https://doi.org/10.1002/jssc.200500152
Autor:
Jens Rehbein, Paul Schuler, Graeme J. Nicholson, Klaus Albert, Maximilian Kuehnle, Karsten Holtin
Publikováno v:
Analytical and bioanalytical chemistry. 395(6)
The oily product ZANTHIN consists of natural astaxanthin, which is manufactured from the microalgae Haematococcus pluvialis by supercritical CO(2) extraction. An HPLC method was developed to separate all of the components of the complex astaxanthin e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1be69d77dc8b9fa3c1cb937d0d867a51
https://pubmed.ncbi.nlm.nih.gov/19466394
https://pubmed.ncbi.nlm.nih.gov/19466394
Autor:
Klaus Albert, Manuela Gradl, Benjamin Dietrich, Karsten Holtin, Maximilian Kuehnle, Jens Rehbein, Helen Yeman
Publikováno v:
Journal of separation science. 31(10)
A new method using phase optimized LC (POPLC) for the analysis of steroids is described. The retention factors and the theoretical plate numbers of different steroids were determined for four different stationary phases. Based on these values, an opt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e5f11dc012c51c79a20ce6fea99c221
https://pubmed.ncbi.nlm.nih.gov/18461641
https://pubmed.ncbi.nlm.nih.gov/18461641
Autor:
Marc David Grynbaum, Petra Hentschel, Karsten Putzbach, Jens Rehbein, Manfred Krucker, Graeme Nicholson
Publikováno v:
Journal of Separation Science; Sep2005, Vol. 28 Issue 14, p1685-1693, 9p