Helmer PO - Search Results

1

Three-dimensional Kendrick mass plots as a tool for graphical lipid identification.

Korf A, Vosse C, Schmid R, Helmer PO, Jeck V, Hayen H. Korf A, et al. Among authors: helmer po. Rapid Commun Mass Spectrom. 2018 Jun 30;32(12):981-991. doi: 10.1002/rcm.8117. Rapid Commun Mass Spectrom. 2018. PMID: 29575335

2

Rhamnolipid biosurfactant analysis using online turbulent flow chromatography-liquid chromatography-tandem mass spectrometry.

Behrens B, Helmer PO, Tiso T, Blank LM, Hayen H. Behrens B, et al. Among authors: helmer po. J Chromatogr A. 2016 Sep 23;1465:90-7. doi: 10.1016/j.chroma.2016.08.044. Epub 2016 Aug 21. J Chromatogr A. 2016. PMID: 27567141

3

Lipid Species Annotation at Double Bond Position Level with Custom Databases by Extension of the MZmine 2 Open-Source Software Package.

Korf A, Jeck V, Schmid R, Helmer PO, Hayen H. Korf A, et al. Among authors: helmer po. Anal Chem. 2019 Apr 16;91(8):5098-5105. doi: 10.1021/acs.analchem.8b05493. Epub 2019 Mar 29. Anal Chem. 2019. PMID: 30892876

4

Analysis of artificially oxidized cardiolipins and monolyso-cardiolipins via liquid chromatography/high-resolution mass spectrometry and Kendrick mass defect plots after hydrophilic interaction liquid chromatography based sample preparation.

Helmer PO, Korf A, Hayen H. Helmer PO, et al. Rapid Commun Mass Spectrom. 2020;34(1):e8566. doi: 10.1002/rcm.8566. Rapid Commun Mass Spectrom. 2020. PMID: 31469924

5

Sensing of nutrients by CPT1C regulates late endosome/lysosome anterograde transport and axon growth.

Palomo-Guerrero M, Fadó R, Casas M, Pérez-Montero M, Baena M, Helmer PO, Domínguez JL, Roig A, Serra D, Hayen H, Stenmark H, Raiborg C, Casals N. Palomo-Guerrero M, et al. Among authors: helmer po. Elife. 2019 Dec 23;8:e51063. doi: 10.7554/eLife.51063. Elife. 2019. PMID: 31868590 Free PMC article.

6

Mass spectrometric investigation of cardiolipins and their oxidation products after two-dimensional heart-cut liquid chromatography.

Helmer PO, Wienken CM, Korf A, Hayen H. Helmer PO, et al. J Chromatogr A. 2020 May 24;1619:460918. doi: 10.1016/j.chroma.2020.460918. Epub 2020 Jan 25. J Chromatogr A. 2020. PMID: 32008819

7

Identification and structural characterization of lipid A from Escherichia coli, Pseudomonas putida and Pseudomonas taiwanensis using liquid chromatography coupled to high-resolution tandem mass spectrometry.

Froning M, Helmer PO, Hayen H. Froning M, et al. Among authors: helmer po. Rapid Commun Mass Spectrom. 2020 Nov 15;34(21):e8897. doi: 10.1002/rcm.8897. Rapid Commun Mass Spectrom. 2020. PMID: 32673427

8

Hydroperoxylated vs Dihydroxylated Lipids: Differentiation of Isomeric Cardiolipin Oxidation Products by Multidimensional Separation Techniques.

Helmer PO, Behrens A, Rudt E, Karst U, Hayen H. Helmer PO, et al. Anal Chem. 2020 Sep 1;92(17):12010-12016. doi: 10.1021/acs.analchem.0c02605. Epub 2020 Aug 12. Anal Chem. 2020. PMID: 32867498

9

Investigation of cardiolipin oxidation products as a new endpoint for oxidative stress in C. elegans by means of online two-dimensional liquid chromatography and high-resolution mass spectrometry.

Helmer PO, Nicolai MM, Schwantes V, Bornhorst J, Hayen H. Helmer PO, et al. Free Radic Biol Med. 2021 Jan;162:216-224. doi: 10.1016/j.freeradbiomed.2020.10.019. Epub 2020 Oct 27. Free Radic Biol Med. 2021. PMID: 33127566

10

Complementing Matrix-Assisted Laser Desorption Ionization-Mass Spectrometry Imaging with Chromatography Data for Improved Assignment of Isobaric and Isomeric Phospholipids Utilizing Trapped Ion Mobility-Mass Spectrometry.

Helmer PO, Nordhorn ID, Korf A, Behrens A, Buchholz R, Zubeil F, Karst U, Hayen H. Helmer PO, et al. Anal Chem. 2021 Feb 2;93(4):2135-2143. doi: 10.1021/acs.analchem.0c03942. Epub 2021 Jan 8. Anal Chem. 2021. PMID: 33416303

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