Výsledky vyhledávání - "Jeannie Horak"

Akademický článek

Milk metabolite composition of a semi-captive population of Asian elephants

Autor: Laura Galante, Diogo João Franco dos Santos, Elisabeth Mikkonen, Jeannie Horak, Zorica Stijepic, Hans Demmelmair, Andrea Vielhauer, Berthold Koletzko, Htet Thi Zaw, Win Htut, Virpi Lummaa, Mirkka Lahdenperä

Publikováno v: Royal Society Open Science, Vol 11, Iss 10 (2024)

Lack of maternal milk commonly leads to Asian elephant calves’ death in captivity. Currently, available supplements seem inefficient. Hence, we aimed at characterizing the composition of Asian elephant milk to provide information on calves’ nutri

Externí odkaz: https://doaj.org/article/3b1c4e27f54c41718b553bb960fc7068

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Akademický článek

Rapid enantioselective amino acid analysis by ultra-high performance liquid chromatography-mass spectrometry combining 6-aminoquinolyl-N-hydroxysuccinimidyl carbamate derivatization with core-shell quinine carbamate anion exchanger separation

Autor: Ryan Karongo, Min Ge, Jeannie Horak, Harald Gross, Michal Kohout, Wolfgang Lindner, Michael Lämmerhofer

Publikováno v: Journal of Chromatography Open, Vol 1, Iss , Pp 100004- (2021)

Amino acid analysis (AAA) is of central importance for the characterization of the amino acid composition of proteins, peptides, pharmaceutical formulations, dietary supplements, in bioanalysis and metabolomics. Common methodologies are based on achi

Externí odkaz: https://doaj.org/article/dc82387084f848e5924044105d43cfce

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Akademický článek

Curing Cats with Feline Infectious Peritonitis with an Oral Multi-Component Drug Containing GS-441524

Publikováno v: Viruses, Vol 13, Iss 11, p 2228 (2021)

Feline infectious peritonitis (FIP) caused by feline coronavirus (FCoV) is a common dis-ease in cats, fatal if untreated, and no effective treatment is currently legally available. The aim of this study was to evaluate efficacy and toxicity of the mu

Externí odkaz: https://doaj.org/article/2bee380779764fbeb1de77cd1efd14a3

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Comprehensive Online Reversed-Phase × Chiral Two-Dimensional Liquid Chromatography-Mass Spectrometry with Data-Independent Sequential Window Acquisition of All Theoretical Fragment-Ion Spectra-Acquisition for Untargeted Enantioselective Amino Acid Analysis

Autor: Ryan Karongo, Jeannie Horak, Michael Lämmerhofer

Publikováno v: Analytical Chemistry. 94:17063-17072

This work presents an advanced analytical platform for untargeted enantioselective amino acid analysis (eAAA) by comprehensive achiral × chiral 2D-LC hyphenated to ESI-QTOF-MS/MS utilizing data-independent SWATH (sequential window acquisition of all

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe52ad7e20093e53ada5ac1081b79272
https://doi.org/10.1021/acs.analchem.2c03042

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Curing Cats with Feline Infectious Peritonitis with an Oral Multi-Component Drug Containing GS-441524

Publikováno v: Viruses
Viruses, Vol 13, Iss 2228, p 2228 (2021)
Volume 13
Issue 11

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c5eb05e786028c2a55de69735e5d5e3
http://europepmc.org/articles/PMC8621566

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Acute Metabolic Response in Adults to Toddler Milk Formulas with Alternating Higher and Lower Protein and Fat Contents, a Randomized Cross-Over Trial

Autor: Emily Newton-Tanzer, Hans Demmelmair, Veit Grote, Berthold Koletzko, Jeannie Horak, Lesca M. Holdt

Publikováno v: Nutrients
Nutrients, Vol 13, Iss 3022, p 3022 (2021)
Volume 13
Issue 9

Protein intake in early life influences metabolism, weight gain, and later obesity risk. As such, a better understanding of the effects of protein intake on the postprandial metabolism and its dynamics over time may elucidate underlying mechanisms. I

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a375e2e838287bf72edfbdfd6f567d5
http://europepmc.org/articles/PMC8472683

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Enantioselective multiple heart cutting online two-dimensional liquid chromatography-mass spectrometry of all proteinogenic amino acids with second dimension chiral separations in one-minute time scales on a chiral tandem column

Autor: Jeannie Horak, Michael Lämmerhofer, Christian Geibel, Ryan Karongo, Min Ge

Publikováno v: Analytica chimica acta. 1180

In this work, we present a unique, robust and fully automated analytical platform technology for the enantioselective amino acid analysis using a multiple heart cutting RPLC-enantio/stereoselective HPLC-ESI-QTOF-MS method. This 2D-LC method allows th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f65ac01a538caf77c922430a93de29a8
https://pubmed.ncbi.nlm.nih.gov/34538327

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Stereoselective separation of underivatized and 6-aminoquinolyl-N-hydroxysuccinimidyl carbamate derivatized amino acids using zwitterionic quinine and quinidine type stationary phases by liquid chromatography–High resolution mass spectrometry

Autor: Jeannie Horak, Michael Lämmerhofer

Publikováno v: Journal of Chromatography A. 1596:69-78

Amino acids play an important role in cellular processes and are building blocks for peptides and proteins, which take part in regulatory processes within each organism. Hence a large variety of biotechnologically or synthetically produced therapeuti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0289bd012fdcb24965bb62e25b41fe6f
https://doi.org/10.1016/j.chroma.2019.02.060

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Discovery of Thanafactin A, a Linear Proline-containing Octa-Lipopeptide from Pseudomonas sp. SH-C52, Motivated by Genome Mining

Autor: Michael Gütschow, Jos M. Raaijmakers, Harald Gross, Michael Lämmerhofer, Julia Moschny, Carolina Cano-Prieto, Nico Ortlieb, Menno van der Voort, Timo H. J. Niedermeyer, Jeannie Horak, Anna-Christina Schulz-Fincke, Norbert Kirchner

Publikováno v: Journal of Natural Products, 84(1). American Chemical Society
Journal of Natural Products 84 (2020) 1
Journal of Natural Products, 84(1), 101-109

Genome mining of the bacterial strains Pseudomonas sp. SH-C52 and Pseudomonas fluorescens DSM 11579 showed that both strains contained a highly similar gene cluster encoding an octamodular nonribosomal peptide synthetase (NRPS) system which was not a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5e246121aa4b352ecacc675efd749c0
https://pure.knaw.nl/portal/en/publications/98e91265-a00c-4b7b-bb69-96ddd5d7571b

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