Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Petra, Hentschel"'
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:
FEMS Microbiology Letters. 259:260-268
The major autolysin of Staphylococcus aureus (AtlA) and of Staphylococcus epidermidis (AtlE) are well-studied enzymes. Here we created an atlA deletion mutant in S. aureus that formed large cell clusters and was biofilm-negative. In electron microgra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59485e9f211b942ce38acca5a1360f9e
https://doi.org/10.1111/j.1574-6968.2006.00281.x
https://doi.org/10.1111/j.1574-6968.2006.00281.x
Autor:
Petra Hentschel, Klaus Albert, Dietmar G. Schmid, V. Passler, Kurt Haselwandter, S. Reiter, Graeme J. Nicholson, Günther Winkelmann
Publikováno v:
BioMetals. 19:335-343
A novel trishydroxamate siderophore, named basidiochrome, was isolated as the principal siderophore from low-iron culture filtrates of Ceratobasidium and Rhizoctonia species which are known as mycorrhizal fungi associated with orchid roots. Ion-excha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d0d706bfa06d1ba0234b39698971644
https://doi.org/10.1007/s10534-006-6986-x
https://doi.org/10.1007/s10534-006-6986-x
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
Publikováno v:
Magnetic resonance in chemistry, 43(9), 747-754
The protein kinase ZAP-70 is involved in T-cell activation and interacts with tyrosine-phosphorylated peptide sequences known as immunoreceptor tyrosine activation motifs (ITAMs). We have studied the regulatory phosphorylation sites in the tryptic fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b27391ec83c2e0cd7ba59d6ecc01e134
https://hdl.handle.net/11370/507776eb-0e19-4aef-8aa3-2d4a44a8cdd9
https://hdl.handle.net/11370/507776eb-0e19-4aef-8aa3-2d4a44a8cdd9
Publikováno v:
Chirality. 24:1074-1076
The titration of the (S)-enantiomer of omeprazole with the (R)-enantiomer in chloroform-d(1) is monitored by continuous-flow capillary microcoil (1)H NMR spectroscopy employing a microcoil with a detection volume of 1.5 µl. The observed changes of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1cb892e4d97d9aa8eff510d60b440ddf
https://doi.org/10.1002/chir.22099
https://doi.org/10.1002/chir.22099
Publikováno v:
Chirality. 24(12)
The titration of the (S)-enantiomer of omeprazole with the (R)-enantiomer in chloroform-d(1) is monitored by continuous-flow capillary microcoil (1)H NMR spectroscopy employing a microcoil with a detection volume of 1.5 µl. The observed changes of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::f8b2baa193b9d4a736dbdb304b166377
https://pubmed.ncbi.nlm.nih.gov/22887745
https://pubmed.ncbi.nlm.nih.gov/22887745
Autor:
Klaus Albert, Friedrich Götz, Alexandra Pelz, Karsten Putzbach, Petra Hentschel, Karsten-Peter Wieland
Publikováno v:
The Journal of biological chemistry. 280(37)
Most Staphylococcus aureus strains produce the orange carotenoid staphyloxanthin. The staphyloxanthin biosynthesis genes are organized in an operon, crtOPQMN, with a sigma(B)-dependent promoter upstream of crtO and a termination region downstream of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::611da2c33215802ceb603eecd822f254
https://pubmed.ncbi.nlm.nih.gov/16020541
https://pubmed.ncbi.nlm.nih.gov/16020541
Autor:
Marc David Grynbaum, Andrew G. Webb, Karsten Putzbach, Manfred Krucker, Klaus Albert, Petra Hentschel
Publikováno v:
Journal of pharmaceutical and biomedical analysis. 38(5)
The development of miniaturized hyphenated systems such as capillary high-performance liquid chromatography--and nuclear magnetic resonance spectroscopy (HPLC-NMR) remains challenging in the field of structure elucidation. In combination with a highl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e5a7a1dd61be05904e3874a2697572e
https://pubmed.ncbi.nlm.nih.gov/16087051
https://pubmed.ncbi.nlm.nih.gov/16087051