Schulze, S., Oltmanns, A., Fufezan, C., Krägenbring, J., Mormann, M., Pohlschröder, M., Hippler, M.
SugarPy facilitates the universal, discovery-driven analysis of intact glycopeptides.
Bioinformatics 2020, btaa1042. DOI: 10.1093/bioinformatics/btaa1042

Jawad, M., J., Soltwisch, J., Dreisewerd, K., Linsen, L.
Interactive visual analysis of mass spectrometry imaging data using linear and non-linear embeddings.
Information 2020,11(12), 575. DOI: 10.3390/info11120575

Bien, T., Hambleton, E. A., Dreisewerd, K., Soltwisch, J.
Molecular insights into symbiosis - mapping sterols in a marine flatworm-algae-system using high spatial resolution MALDI-2-MS-imaging with ion mobility separation.
Anal. Bioanal. Chem. 2020  DOI: 10.1007/s00216-020-03070-0

Heijs, B., Potthoff, A., Soltwisch, J., Dreisewerd, K.
MALDI-2 for the enhanced analysis of N-linked glycans by mass spectrometry imaging.
Anal. Chem. 2020,92,20, 13904-13911. DOI: 10.1021/acs.analchem.0c02732

Dreisewerd, K., Soltwisch, J., Heijs, B.
Mass spectrometry imaging: A novel laser-postionization method enhances chemical insights.
Imaging & Microscopy 2020,22,3, 25-27. DOI: 10.1002/was.000400068

Eiersbrock, F., Orthen, J., Soltwisch, J.
Validation of MALDI-MS imaging data of selected membrane lipids in murine brain with and without laser postionization by quantitative nano-HPLC-MS using laser microdissection.
Anal. Bioanal. Chem. 2020,412,6875-6886. DOI: 10.1007/s00216-020-02818-y

Potthoff, A., Dreisewerd, K., Soltwisch, J.
Detailed characterization of the post-ionization efficiencies in MALDI-2 as a function of relevant input parameters.
J. Am. Soc. Mass Spectrom. 2020,31,9, 1844-1853. DOI:  10.1021/jasms.0c00072

Bookmeyer, C., Soltwisch, J., Röhling, U., Dreisewerd, K.
Low-pressure photoionization in a dual-ion funnel injector coupled to an orbitrap mass spectrometer for direct analysis of human breath and head-space sampled coffee roasts.
ChemPlusChem. 2020,85, 1559-1563. DOI: 10.1002/cplu.202000462

Soltwisch, J., Heijs, B., Koch, A., Vens-Cappell, S., Höhndorf, J., Dreisewerd, K.
MALDI-2 on a trapped ion mobility quadrupole time-of-flight instrument for rapid mass spectrometry imaging and ion mobility separation of complex lipid profiles.
Anal. Chem. 2020,92,13, 8697-8703. DOI: 10.1021/acs.analchem.0c01747

Bien, T., Perl, M., Machmüller, A. C., Nitsche, U., Conrad, A., Johannes, L., Müthing, J., Soltwisch, J., Janßen, K. P., Dreisewerd, K.
MALDI-2 mass spectrometry and immunohistochemistry imaging of Gb3Cer, Gb4Cer, and further glycosphingolipids in human colorectal cancer tissue.

Anal. Chem. 2020,92,10, 7096-7105. DOI: 10.1021/acs.analchem.0c00480

Bednarik, A., Preisler, J., Bezdekova, D., Machalkova, M., Hendrych, M., Navratilova, J., Knopfova, L., Moskovets, E., Soltwisch, J., Dreisewerd, K.
Ozonization of tissue sections for MALDI MS imaging of carbon-carbon double bond positional isomers of phospholipids.
Anal. Chem. 2020,92,9, 6245-6250. DOI: 10.1021/acs.analchem.0c00641

Boskamp, M. S., Soltwisch, J.
Charge distribution between different classes of glycerophospolipids in MALDI-MS imaging.
Anal. Chem. 2020,92,7, 5222-523019. DOI: 10.1021/acs.analchem.9b05761.


Kuhne, F., Bonnington, .L, Malik, S., Thomann, M., Avenal, C., Cymer, F., Wegele, H., Reusch, D., Mormann, M., Bulau, P.
The impact of immunoglobulin G1 Fc sialylation on backbone amide H/D exchange.
Antibodies 2019,8,49. https://doi.org/10.3390/antib8040049

Brockmann, E. U., Steil, D., Bauwens, A., Soltwisch, J., Dreisewerd, K.
Advanced methods for MALDI-MS imaging of the chemical communication in microbial communities.
Anal. Chem. 2019,91, 15081-15089. DOI:  10.1021/acs.analchem.9b03772

Niehaus, M., Soltwisch, J., Belov, M. E., Dreisewerd, K.
Transmission-mode MALDI-2 mass spectrometry imaging of cells and tissues at subcellular resolution.
Nat. Methods 2019,16, 925-931. DOI: 10.1038/s41592-019-0536-2

Mat Rashid, Z., Mormann, M., Steckhan, K., Peters, A., Esch, S., Hensel, A.
Polysaccharides from lichen Xanthoria parietina: 1,4/1,6-α- D-glucans and a highly branched galactomannan with macrophage stimulating activity via Dectin-2 activation.
Int. J. Biol. Macromol. 2019,134, 921-935. https://doi.org/10.1016/j.ijbiomac.2019.05.056

Massey, J. H., Akiyama, N., Bien, T., Dreisewerd, K., Wittkopp, P. J., Yew, J. Y., Takahashi, A.
Pleiotropic effects of ebony and tan on pigmentation and cuticular hydrocarbon composition in Drosophila melanogaster.
Physiol. 2019,10, 518. https://doi.org/10.3389/fphys.2019.00518

Bien, T., Gadau, J., Schnapp, A., Yew, J. Y., Sievert, C., Dreisewerd, K.
Detection of very long chain hydrocarbons by laser mass spectrometry reveals novel species and sex and age-dependent differences in the cuticular profiles of three Nasonia species.
Anal. Bioanal. Chem. 2019,411, 2981-2993.  DOI: 10.1007/s00216-019-01736-y

Manjeet, K., Madhuprakash, J., Mormann, M., Moerschbacher, B. M., Podile, A. R.
A carbohydrate binding module-5 is essential for oxidative cleavage of chitin by a multi-modular lytic polysaccharide monooxygenase from Bacillus thuringiensis serovar kurstaki.

Int. J. Biol. Macromol. 2019,127, 649-656. DOI: 10.1016/j.ijbiomac.2019.01.183

Datta, D., Pohlentz, G., Mondal, S., Divya, M. B., Guruprasad, L., Mormann, M., Swamy, M. J.
Macromolecular properties and partial amino acid sequence of a Kunitz-type protease inhibitor from okra (Abelmoschus esculentus) seeds.
J. Biosci. 2019,44, 35. DOI: 10.1007/s12038-019-9859-5


Bednařík, A., Bölsker, S., Soltwisch, J., Dreisewerd K.
An On-tissue Paternò-Büchi reaction for localization of carbon-carbon double bonds in phospho- and glycolipids by matrix-assisted laser desorption ionization mass spectrometry imaging.
Angew. Chemie Int. Ed. 2018,57, 12092-12096. DOI: 10.1002/anie.201806635

Niehaus, M., Soltwisch, J.
New insights into mechanisms of material ejection in MALDI mass spectrometry for a wide range of spot sizes.
Sci. Rep. 2018,8, 7755. DOI: 10.1038/s41598-018-25946-z

Bobbili, K. B., Datta, D., Mondal, S., Polepalli, S., Pohlentz, G., Mormann, M., Swamy, M. J.
Purification, chitooligosaccharide binding properties and thermal stability of CIA24, a new PP2-like phloem exudate lectin from ivy gourd (Coccinia indica).
Int. J. Biol. Macromol. 2018,110, 588-597. DOI: 10.1016/j.ijbiomac.2018.01.001  

Bobbili, K. B., Pohlentz, G., Narahari, A., Sharma, K., Surolia, A., Mormann, M., Swamy, M. J.
Coccinia indica agglutinin, a 17 kDa PP2 like phloem lectin: Affinity purification, primary structure and formation of self-assembled filaments.
Int. J. Biol. Macromol. 2018,108, 1227-1236. DOI: 10.1016/j.ijbiomac.2017.11.024

Steil, D., Pohlentz, G., Legros, N., Mormann, M., Mellmann, A., Karch, H., Müthing, J.
Combining mass spectrometry, surface acoustic wave interaction analysis and cell viability assays for characterization of Shiga toxin subtypes of pathogenic Escherichia coli bacteria.
Anal. Chem. 2018,90, 8989-8997. DOI: 10.1021/acs.analchem.8b01189

Zacharski, D. M., Esch, S., König, S., Mormann, M., Brandt, S., Ulrich-Merzenich, G., Hensel, A.
β-1,3/1,4-Glucan Lichenan from Cetraria islandica (L.) ACH. induces cellular differentiation of human keratinocytes.
Fitoterapia 2018,129, 226-236. DOI: 10.1016/j.fitote.2018.07.010


Dreisewerd, K., Yew, J. Y.
Mass spectrometry imaging goes three dimensional. (News and Views contribution)
Nat. Methods 2017,14, 1139-1140. DOI: 10.1038/nmeth.4513

Cord-Landwehr, S., Ihmor, P., Niehues, A., Luftmann, H., Moerschbacher, B. M., Mormann, M.
Quantitative mass-spectrometric sequencing of chitosan oligomers reveals cleavage sites of chitosan hydrolases.
Anal. Chem. 2017,89, 2893-2900. DOI:10.1021/acs.analchem.6b04183

Niehaus, M., Schnapp, A., Koch, A., Soltwisch, J., Dreisewerd, K.
New insights into the wavelength dependence of MALDI mass spectrometry.
Anal. Chem. 2017,89, 7734-7741. DOI: 10.1021/acs.analchem.7b01744

Dopstadt, J., Vens-Cappell, S., Neubauer, L., Tudzynski, P., Cramer, B., Dreisewerd, K., Humpf, H.-U.
Localization of ergot alkaloids in sclerotia of Claviceps purpurea by matrix-assisted laser desorption/ionization mass spectrometry imaging.
Anal. Bioanal. Chem. 2017,409, 1221-1230. DOI: 10.1007/s00216-016-0047-2

Ellis, S., Soltwisch, J., Paine, M. R. L., Dreisewerd, K., Heeren, R. M. A.
Laser post-ionisation combined with a high resolving orbitrap mass spectrometer for enhanced MALDI-MS imaging of lipids.
Chem. Commun. 2017,53, 7246-7249 DOI: 10.1039/C7CC02325A

Kouzel, I. U., Soltwisch, J., Pohlentz, G., Schmitz, J. S., Karch, H., Dreisewerd, K., Müthing, J.
Infrared MALDI mass spectrometry imaging of TLC-separated glycosphingolipids with emphasis on Shiga toxin receptors isolated from human colon epithelial cells.
Int. J. Mass Spectrom. 2017,416, 53-60  DOI: 10.1016/j.ijms.2016.11.008

Koch, A., Schnapp, A., Soltwisch, J., Dreisewerd, K.
Generation of multiply charged peptides and proteins from glycerol-based matrices using lasers with ultraviolet, visible and near-infrared wavelengths and an atmospheric pressure ion source.
Int. J. Mass Spectrom. 2017,416, 61-70  DOI: 10.1016/j.ijms.2016.11.007


Betz, J., Dorn, I., Kouzel, I. U., Bauwens, A., Meisen, I., Kemper, B., Bielaszewska, M., Mormann, M., Weymann, L., Sibrowski, W., Karch, H., Schlenke, P., Müthing, J.
Shiga toxin of enterohemorrhagic Escherichia coli directly injures developing human erythrocytes.
Cell. Microbiol. 2016,18, 1339-1348. DOI: 10.1111/cmi.12592

Datta, D., Pohlentz, G., Schulte, M., Kaiser, M., Goycoolea, F. M., Müthing, J., Mormann, M., Swamy, M. J.
Physico-chemical characteristics and primary structure of an affinity-purified -D-galactose-specific, jacalin-related lectin from the latex of mulberry (Morus indica).
Arch. Biochem. Biophys. 2016,609, 59-68. DOI: 10.1016/j.abb.2016.09.009

Wiegelmann, M., Dreisewerd, K, Soltwisch, J.
Influence of the laser spot size, focal beam profile, and tissue type on the lipid signals obtained by MALDI-MS imaging in oversampling mode.
J. Am. Soc. Mass Spectrom. 2016,27, 1952-1964. DOI: 10.1007/s13361-016-1477-y

Vens-Cappel, S., Kouzel, I. U., Kettling, H., Soltwisch, J., Bauwens, A., Porubsky, S., Müthing, J., Dreisewerd, K.
On-tissue phospholipase C digestion for enhanced MALDI-MS imaging of neutral glycosphingolipids.
Anal. Chem. 2016,88, 5595-5599. DOI: 10.1021/acs.analchem.6b01084

Niehoff, A. C., Schulz, J., Soltwisch, J., Meyer, S., Kettling, H., Sperling, M., Jeibmann, A., Dreisewerd, K., Francesconi, K. A., Schwerdtle, T., Karst, U.
Imaging by elemental and molecular mass spectrometry reveals the uptake of an arsenolipid in the brain of Drosophila melanogaster.
Anal. Chem. 2016,88, 5258-5263. DOI: 10.1021/acs.analchem.6b00333

Schnapp, A., Niehoff, A. C., Koch, A., Dreisewerd, K.
Laser desorption/ionization mass spectrometry of lipids using etched silver substrates.
Methods 2016,104, 194-2013. DOI:10.1016/j.ymeth.2016.01.014

Körsgen, M., Tyler, B. J., Pelster, A., Lipinsky, D., Dreisewerd, K., Arlinghaus, F.
Changes in the molecular ion yield and fragmentation of peptides under various primary ions in ToF-SIMS and matrix-enhanced ToF-SIMS.
Biointerphases 2016, 11:02A318. DOI: 10.1116/1.4940911

Pohlentz, G., Marx, K., Mormann, M.
Characterization of protein N-glycosylation by analysis of ZIC-HILIC-enriched intact proteolytic glycopeptides.
Meth. Mol. Biol. 2016,1394, 163-179. DOI: 10.1007/978-1-4939-3341-9_12

Körsgen, M., Pelster, A., Vens-Cappell, S. Roling, O., Arlinghaus, H. F.
Molecular ME-ToF-SIMS yield as a function of DHB matrix layer thicknesses obtained from brain sections coated by sublimation/deposition techniques.
Surf. Interface Anal. 2016,48, 34–39. DOI: 10.1002/sia.5885

Körsgen, M., Pelster, A., Dreisewerd, K., Arlinghaus, H. F.
3D ToF-SIMS analysis of peptide incorporation into MALDI matrix crystals with sub-micrometer resolution.
J. Am. Soc. Mass Spectrom. 2016,27, 277-284. DOI: 10.1007%2Fs13361-015-1275-y


Zacharski, D. M., Brandt, S., Esch, S., König, S., Mormann, M., Ulrich-Merzenich, G., Hensel, A.
Xyloglucan from Tropaeolum majus seeds induces cellular differentiation of human keratinocytes by inhibition of EGFR phosphorylation and decreased activity of transcription factor CREB.
Biomacromolecules 2015,16, 2157-2167. DOI: 10.1021/acs.biomac.5b00553

Soltwisch, J., Kettling, H., Vens-Cappell, S., Wiegelmann, M., Müthing, J., Dreisewerd, K.
Mass spectrometry imaging with laser-induced postionization.
Science 2015,348, 211-215, DOI: 10.1126/science.aaa1051

Borgognoni, C. F., Mormann, M., Qu, Y., Schäfer, M., Langer, K., Öztürk, C., Wagner, S., Chen, C., Zhao, Y., Fuchs, H., Riehemann, K.
Reaction of human macrophages on protein corona covered TiO2 nanoparticles.
Nanomedicine 2015,11, 275-282. DOI:10.1016/j.nano.2014.10.001


Niehoff, A.-C., Kettling, H., Pirkl, A., Chiang, Y. N., Dreisewerd, K., Yew, J. Y.
Analysis of Drosophila lipids by MALDI-MS imaging.
Anal. Chem. 2014,86, 11086-11092. DOI:10.1021/ac503171f

Pirkl, A., Meier, M., Popkova, Y., Letzel, M., Schnapp, A., Schiller, J., Dreisewerd, K.
Analysis of free fatty acids by ultraviolet laser desorption ionization mass spectrometry using insect wings as hydrophobic sample substrates.
Anal. Chem. 2014,86, 10763-10771. DOI: 10.1021/ac5020047

Bendinskas, K., Weber, B., Nsouli, T., Nguyen, H. V., Joyce, C., Niri, V., Jaskolla, T. W.
A teaching laboratory for comprehensive lipid characterization from food samples.
J. Chem. Educ. 2014,91, 1697–1701. DOI:10.1021/ed400586z

Reissner, C., Stahn, J., Breuer, D., Klose, M., Pohlentz, G., Mormann, M., Missler, M.
Dystroglycan binding to α−neurexin competes with neurexophilin-1 and neuroligin in the brain.
J. Biol. Chem. 2014,289, 27585-27603. DOI:10.1074/jbc.M114.595413

Toval, F., Schiller, R., Meisen, I., Putze, J., Kouzel, I. U., Zhang, W., Karch, H., Bielaszewska, M., Mormann, M., Müthing, J., Dobrindt, U.
Characterization of urinary tract infection-associated Shiga toxin-producing Escherichia coli.
Infect. Immun. 2014,82, 4631-4642. DOI:10.1128/IAI.01701-14

Gámez, F., Hortal, A., Martinez Haya, B., Soltwisch, J., Dreisewerd, K.
Ultraviolet laser desorption/ionization mass spectrometry of single-core and multi-core polyaromatic hydrocarbons under variable conditions of collisional cooling: Insights into the generation of molecular ions, fragments and oligomers.
J. Mass Spectrom. 2014,49, 1127-1138. DOI: 10.1002/jms.3433

Kettling, H., Vens-Cappel, S., Soltwisch, J., Pirkl, A., Haier, J., Müthing, J., Dreisewerd, K.
MALDI mass spectrometry imaging of bioactive lipids in mouse brain with a Synapt G2‐S mass spectrometer operated at elevated pressure: Improving the analytical sensitivity and the lateral resolution to ten microns.
Anal. Chem. 2014,86, 7798-7805. DOI:10.1021/ac5017248

Witt, L., Pirkl, A., Draude, F., Peter-Katalinić, J., Dreisewerd, K., Mormann, M.
Water ice is a soft matrix for the structural characterization of glycosaminoglycans by infrared matrix-assisted laserdesorption/ionization.
Anal. Chem. 2014,86, 6439-6446. DOI:10.1021/ac5008706

Gnanesh Kumar, B. S., Pohlentz, G., Schulte, M., Mormann, M., Siva Kumar, N.
N-glycan analysis of mannose/glucose specific lectin from Dolichos lablab seeds.
Int. J. Biol. Macromol. 2014,69, 400-407. DOI: 10.1016/j.ijbiomac.2014.05.073

Jaskolla, T. W., Onischke, K., Schiller, J.

2,5-Dihydroxybenzoic acid salts for MALDI-TOF MS lipid analysis: simplified spectra interpretation and insights into gas-phase fragmentation.
Rapid Commun. Mass Spectrom. 2014,28, 1353-1363. DOI:10.1002/rcm6910

Dreisewerd, K.
Recent methodological advances in MALDI mass spectrometry. (Critical Review Article)
Anal. Bioanal. Chem. 2014,406, 2261-2278. DOI: 10.1007/s00216-014-7646-6

Kouzel, I. U., Pirkl, A., Pohlentz, G., Soltwisch, J., Dreisewerd, K., Karch, H., Müthing, J.
Progress in detection and structural characterization of glycosphingolipids in crude lipid extracts by enzymatic phospholipid disintegration combined with TLC immunodetection and IR-MALDI mass spectrometry.
Anal. Chem. 2014,86, 1215-1222. DOI: 10.1021/ac4035696

Cramer, R., Karas, M., Jaskolla. T. W.
Enhanced MALDI MS sensitivity by weak base additives and glycerol sample coating.
Anal. Chem. 2014,86, 744–751. DOI: 10.1021/ac403228d

Gnanesh Kumar, B. S., Pohlentz, G., Schulte, M., Mormann, M., Siva Kumar, N.
Jack bean alpha-mannosidase: Amino acid sequencing and N-glycosylation analysis of a valuable glycomics tool.
Glycobiology 2014,24, 252-261. DOI: 10.1093/glycob/cwt106


Albalat, A., Stalmach, A., Bitsika, V., Siwy, J., Schanstra, J. P., Petropoulos, A. D., Vlahou, A., Jankowski, J., Persson, F., Rossing, P., Jaskolla, T. W., Mischak, H., Husi, H.
Optimised MALDI-TOF MS peptide profiling for biomarker assessment.
Proteomics 2013,13, 2967-75. DOI: 10.1002/pmic.201300100

Sehlbach, M., König, S., Mormann, M., Sendker, J., Hensel, A.
Arabinogalactan protein cluster from Jatropha curcas seed embryo contains fasciclin, xylogen and LysM proteins.
Carbohyd. Polym. 2013,98, 522–531. DOI: 10.1016/j.carbpol.2013.06.003

Soltwisch, J., Jaskolla, T. W., Dreisewerd K.
Color matters - material ejection and ion yields in UV-MALDI as a function of laser wavelength and fluence.
J. Am. Soc. Mass Spectrom. 2013,24, 1477-1488. DOI: 10.1007/s13361-013-0699-5

Thyrock, A., Ossendorf, E., Stehling, M., Kail, M., Kurtz, T., Pohlentz, G., Waschbüsch, D., Formstecher, E., Eggert, S., Müthing, J., Dreisewerd, K., Kins, S., Goud, B., Barnekow, A.
A new Mint1 isoform but not the conventional Mint1 interacts with the small GTPase Rab6.
PLoS ONE 2013, 8:e64149. DOI: 10.1371/journal.pone.0064149

Sharma, A., Pohlentz, G., Bobbili, K. B., Jeyaprakash, A. A., Chandran, T., Mormann, M., Swamy, M. J., Vijayan, M.
The sequence and structure of snake gourd (Trichosanthes anguina) seed lectin, a three chain non-toxic homologue of type II RIPs.
Acta Crystallogr. Section D 2013,69, 1493-1503. DOI: 10.1107/S0907444913010020

Gnanesh Kumar, B. S., Pohlentz, G., Mormann, M., Siva Kumar, N.
Characterization of α-mannosidase from Dolichos lablab seeds: Partial amino acid sequencing and N-glycan analysis.
Protein Expres. Purif. 2013,89, 7-15. DOI: 10.1016/j.pep.2013.02.004

Meisen, I., Rosenbrück, R., Galla, H.-J., Hüwel, S., Kouzel, I. U., Mormann, M., Karch, H., Müthing, J.
Expression of Shiga toxin 2e glycosphingolipid receptors of primary porcine brain endothelial cells and toxin-mediated breakdown of the blood–brain barrier.
Glycobiology 2013,23, 745-759. DOI:10.1093/glycob/cwt013

Cramer, R., Pirkl, A., Hillenkamp, F., Dreisewerd, K.
Liquid AP-UV-MALDI enables stable ion yields of multiply charged peptide and protein ions for sensitive analysis by mass spectrometry.
Angew. Chemie Int. Ed. 2013,52, 2364–2367. DOI: 10.1002/anie.201208628

Kouzel, I. U., Pohlentz, G., Storck, W., Radamm, L., Hoffmann, P., Bielaszewska, M., Bauwens, A., Cichon, C., Schmidt, M. A., Mormann. M., Karch, H., Müthing. J.
Association of Shiga toxin glycosphingolipid receptors with membrane microdomains of toxin-sensitive lymphoid and myeloid cells.
J. Lipid Res. 2013,54, 692-710. DOI: 10.1194/jlr.M031781

Wiegelmann, M., Soltwisch, J., Jaskolla, T. W., Dreisewerd, K.
Matching the laser wavelength to the absorption properties of matrices increases the ion yield in UV-MALDI mass spectrometry.
Anal. Bioanal. Chem. 2013,405, 6925-6932. DOI: 10.1007/s00216-012-6478-5


Fedina, T. Y., Kuo, T. H., Dreisewerd, K., Dierick, H. A., Yew, J. Y., Pletcher, S. D.
Dietary effects on cuticular hydrocarbons and sexual attractiveness in Drosophila.
PLoS ONE 2012, 7:e49799. DOI: 10.1371/journal.pone.0049799

Soltwisch, J., Jaskolla, T. W., Hillenkamp, F., Karas, M., Dreisewerd, K.
Ion yields in UV-MALDI mass spectrometry as a function of excitation laser wavelength and optical and physico-chemical properties of classical and halogen-substituted MALDI matrixes.
Anal. Chem. 2012,84, 6567-6576. DOI: 10.1021/ac3008434

Pirkl, A., Soltwisch, J., Draude, F., Dreisewerd, K.
Infrared matrix-assisted laser desorption/ionization orthogonal-TOF mass spectrometry employing a cooling stage and water ice as matrix.
Anal. Chem. 2012,84, 5669-5676. DOI: 10.1021/ac300840b

Kuo, T. H., Fedina, T. Y., Hansen, I., Dreisewerd, K.,  Dierick, H. A., Yew, J. Y., Pletcher, S. D.
Insulin signaling mediates sexual attractiveness in Drosophila.
PLoS Genet. 2012, 8(4):e1002684. DOI:10.1371/journal.pgen.1002684

Kuo, T. H., Yew, J. Y., Fedina, T. Y., Dreisewerd, K., Dierick, H. A., Pletcher, S. D.
Aging modulates cuticular hydrocarbons and sexual attractiveness in Drosophila.
J. Exp. Biol. 2012,215, 814-821. DOI:10.1242/jeb.064980

Betz, J., Bauwens, A., Kunsmann, L., Bielaszewska, M., Mormann, M., Humpf, H.-U., Karch, H., Friedrich, A. W., Müthing, J.
Uncommon membrane distribution of Shiga toxin glycosphingolipid receptors in toxin-sensitive human glomerular microvascular endothelial cells.
Biol. Chem. 2012,393, 133-147. DOI: 10.1515/hsz-2011-0288

Müthing, J., Meisen, I., Zhang, W., Bielaszewska, M., Mormann, M., Bauerfeind, R., Schmidt, M. A., Friedrich, A. W., Karch, H.
Promiscuous Shiga toxin 2e and its intimate relationship to Forssman.
Glycobiology 2012,22, 849-862. DOI: 10.1093/glycob/cws009

Meisen, I., Dzudzek, T., Ehrhardt, C., Ludwig, S., Mormann, M., Lümen, R., Kniep, B., Karch, H., Müthing, J.
The human H3N2 influenza A viruses A/Victoria/3/75 and A/Hiroshima/52/2005 preferentially bind to α2,3-sialylated monosialogangliosides with fucosylated poly-N-acetyllactosaminyl chains from human granulocytes.
Glycobiology 2012,22, 1055-1076. DOI: 10.1093/glycob/cws077

Storck, W., Meisen, I., Gianmoena, K., Pläger, I., Kouzel, I. U., Bielaszewska, M., Haier, J., Mormann, M., Humpf, H.-U., Karch. H., Müthing, J.
Shiga toxin glycosphingolipid receptor expression and toxin susceptibility of human pancreatic ductal adenocarcinomas of differing origin and differentiation.
Biol. Chem. 2012,393, 785-799. DOI: 10.1515/hsz-2012-0165


Meisen, I., Mormann, M., Müthing, J.
Thin-layer chromatography, overlay technique and mass spectrometry: a versatile triad advancing glycosphingolipidomics.
Biochim. Biophys. Acta 2011,1811, 875-896. DOI: 10.1016/j.bbalip.2011.04.006

Yew, J. Y., Soltwisch, J., Pirkl, A., Dreisewerd, K.
Direct laser desorption ionization of endogenous and exogenous compounds from insect cuticles: practical and methodological aspects.
J. Am. Soc. Mass Spectrom. 2011,22, 1273-1284. DOI: 10.1007/s13361-011-0110-3

Dybvik, A., Norberg, A. L., Schute, V., Soltwisch, J., Peter-Katalinić, J., Vaarum, K., Eijsink, V., Dreisewerd, K., Mormann, M., Sørlie, M.
Analysis of non-covalent chitinase-chito-oligosaccharide complexes by infrared-matrix assisted laser desorption ionization and nano-electrospray ionization mass spectrometry.
nal. Chem. 2011,83, 4030-4036. DOI: 10.1021/ac1031308

Soltwisch, J., Dreisewerd, K.
A UV/IR-MALDI sample stage integrating scanning knife-edge and slit devices for laser beam analysis.
Rapid Commun. Mass Spectrom. 2011,25, 1266-1270. DOI: 10.1002/rcm.4966 

Betz, J., Bielaszewska, M., Thies, A., Humpf, H.-U., Dreisewerd, K., Karch, H., Kim, K. S., Friedrich, A. W., Müthing, J.
Shiga toxin glycosphingolipid receptors in microvascular and macrovascular endothelial cells: association with membrane lipid raft microdomains that differ by their stability to cholesterol depletion.
J. Lipid Res. 2011,52, 618-634. DOI: 10.1194/jlr.M010819

Brockmeyer, J., Aldick, T., Soltwisch, J., Zhang, W., Tarr, P., Weiss, A., Dreisewerd, K., Müthing, J., Bielaszewska, M., Karch, H.
Enterohemorrhagic Escherichia coli hemolysin is cleaved and inactivated by serine protease EspPα.
Environ. Microbiol. 2011,13, 1327-1341. DOI: 10.1111/j.1462-2920.2011.02431.x

Yew, J. Y., Dreisewerd, K., de Olivera, C. C., Etges, W. J.
Male-specific transfer and fine scale spatial differences of newly identified cuticular hydrocarbons and triglycerides in a Drosophila species pair.
PLoS ONE 2011,6, e16898. DOI: 10.1371/journal.pone.0016898

Souady, J., Hülsewig, M., Distler, U., Haier, J., Denz, A., Pilarsky, C., Senninger, N., Dreisewerd, K., Peter-Katalinić, J., Müthing, J.
Differences in CD75s- and iso-CD75s-ganglioside content and altered mRNA expression of sialyltransferases ST6GAL1 and ST3GAL6 in human hepatocellular carcinoma and nontumoral liver tissues.
Glycobiology 2011,21, 584-594. DOI: 10.1093/glycob/cwq200

Henning, S., Mormann, M., Peter-Katalinić, J., Pohlentz, G.
Direct analysis of α- and β-chains of hemoglobins from mammalian blood samples by nanoESI mass spectrometry during in-capillary proteolytic digestion.
Amino Acids 2010,41, 343-350.  DOI: 10.1007/s00726-010-0671-7

Neue, K., Mormann, M., Peter-Katalinić, J., Pohlentz, G.
Elucidation of glycoprotein structures by unspecific proteolysis and direct nanoESI mass spectrometric analysis of ZIC-HILIC-enriched glycopeptides.
J. Proteome Res. 2010,10, 2248-2260. DOI: 10.1021/pr101082c

Cederkvist, F. H., Mormann, M., Froesch, M., Eijsink, V. G. H., Sørlie, M., Peter-Katalinić, J.
Concurrent enzyme reactions and binding events for chitinases interacting with chitosan oligosaccharides monitored by high resolution mass spectrometry.
Int. J. Mass Spectrom. 2011,305, 178–184. DOI: 10.1007/s00726-010-0671-7

Norberg, A. L., Dybvik, A. I., Zakariassen, H., Mormann, M., Peter-Katalinić, J., Vårum, K. M., Eijsink, V. G. H., Sørlie, M.
Substrate positioning in chitinase A of Serratia marcescens, a processive chito-biohydrolase from Serratia marcescens.
Febs Lett. 2011,585, 2339-2344. DOI: 10.1016/j.febslet.2011.06.002


de la Paz Fernández, M., Chan, Y.-B.,  Yew, J. Y., Billeter, J.-C., Dreisewerd, K., Levine, J., Kravitz E. A.
Pheromonal and behavioral cues trigger male-to-female aggression in Drosophila.
PLoS Biol. 2010,8 (11): e1000541. DOI:10.1371/journal.pbio.1000541 (open access)

Meisen, I., Wisholzer, S., Soltwisch, J., Dreisewerd, K., Mormann, M., Müthing, J., Karch, H., Friedrich, A. W.
Normal silica gel and reversed phase thin-layer chromatography coupled with UV-spectroscopy and IR-MALDI-o-TOF-MS for the detection of tetracycline antibiotics.
Anal. Bioanal. Chem. 2010,398, 2821-2831. DOI: 10.1007/s00216-010-4135-4

Ibáñez, A. J., Scharte, J.,  Bones, P.,  Pirkl, A.,  Meldau, S., Baldwin, I. T., Hillenkamp, F.,  Weis, E., Dreisewerd, K.
Rapid metabolic profiling of Nicotiana tabacum defense responses against Phytophthora nicotianae using direct infrared laser desorption ionization mass spectrometry and principal component analysis.
Plant Meth. 2010,6, 14 (open access)

Soltwisch, J., Dreisewerd, K.
Discrimination of isobaric leucine and isoleucine residues and analysis of posttranslational modifications in peptides by MALDI in-source decay mass spectrometry combined with collisional cooling.
Anal. Chem., 2010,82, 5628-5635. DOI:10.1021/ac1006014

Pirkl., A., Dreisewerd, K., Yew, J. Y., König, S.
Field-based ion generation from microscale emitters on natural and artificial objects for atmospheric pressure mass spectrometry.
Anal. Bioanal. Chem. 2010,397, 3311-3316. DOI: 10.1007/s00216-009-3184-z

Müsken, A. Souady, J., Dreisewerd, K., Zhang, W., Distler, U., Peter-Katalinić, J., Miller-Podraza, H., Karch, H., Müthing, J.
Application of TLC-IR-MALDI-o-TOF mass spectrometry to structural analysis of bacteria-binding glycosphingolipids slected by affinity detection.
Rapid Commun. Mass Spectrom. 2010,24, 1032-1038. DOI: 10.1002/rcm.4480

Rohlfing, A., Leisner, A., Hillenkamp, F., Dreisewerd, K.
Investigation of the desorption process in UV-MALDI with a liquid 3-Nitrobenzyl alcohol matrix by photoacoustic analysis, fast-flash imaging, and UV-Laser post-ionization.
J. Chem. Phys. C 2010,114, 5367-5381. DOI: 10.1021/jp905251r

Kirchhefer, U., Wehrmeister, D., Postma, A. V., Pohlentz, G., Mormannm M., Kucerovam D., Müller, F. U., Schmitz, W., Schulze-Bahr, E., Wilde, A. A., Neumann, J.
The human CASQ2 mutation K206N is associated with hyperglycosylation and altered cellular calcium handling.
J. Mol. Cell. Cardiol. 2010,49, 95-105. DOI: 10.1016/j.yjmcc.2010.03.006
Schweppe, C. H., Hoffmann, P., Nofer, J. R., Pohlentz, G., Mormann, M., Karch, H., Friedrich, A. W., Müthing, J.
Neutral glycosphingolipids in human blood: a precise mass spectrometry analysis with special reference to lipoprotein-associated Shiga toxin receptors.
J. Lipid Res. 2010,51, 2282-2294. DOI: 10.1194/jlr.M006759

Hoffmann, P., Hülsewig, M., Duvar, S., Ziehr, H., Mormann, M., Peter-Katalinić, J., Friedrich, A. W., Karch, H., Müthing, J.
On the structural diversity of Shiga toxin glycosphingolipid receptors in lymphoid and myeloid cells determined by nanoelectrospray ionization tandem mass spectrometry.
Rapid Commun. Mass Spectrom. 2010,24, 2295-2304. DOI: 10.1002/rcm.4636


Souady, J., Soltwisch, J., Dreisewerd, K., Haier, J., Peter-Katalinić, J., Müthing, J.
Structural profiling of individual glycosphingolipids in a single thin-layer chromatogram by multiple sequential immunodetection matched with direct IR-MALDI-o-TOF mass spectrometry.
Anal. Chem. 2009,81, 9481–9492. DOI: 10.1021/ac901948h

Distler, U., Soady, J., Hülsewig, M., Drmić-Hofman, I., Haier, J., Friedrich, A. W., Karch, H., Senninger, N., Dreisewerd, K., Berkenkamp, S., Schmidt, M. A., Peter-Katalinić, Müthing, J.
Shiga Toxin receptor Gb3Cer/CD77: Tumor-Association and promising therapeutic arget in pancreas and colon cancer.
PLoS ONE 2009,4, e6813. DOI: 10.1371/journal.pone.0006813

Yew, J. Y., Dreisewerd, K., Luftmann, H., Müthing, H., Pohlentz, G., Kravitz, E. A.
A new male sex pPheromone and novel cuticular cues for chemical communication in Drosophila.
Curr. Biol. 2009,19, 1245-1254. DOI: 10.1016/j.cub.2009.06.037

Meisen, I., Distler, U., Müthing, J., Berkenkamp, S., Dreisewerd, K, Mathys, W., Karch, H., Mormann, M.
Direct coupling of HPTLC with UV-spectroscopy and IR-MALDI-o-TOF mass spectrometry for the analysis of cyanobacterial toxins.
Anal. Chem. 2009,81, 3858-3866. DOI: 10.1021/ac900217q

Soltwisch, J., Souady, J., Berkenkamp, S., Dreisewerd, K.
Effect of gas pressure and gas type on the fragmentation of peptide and oligosaccharide ions generated in an elevated pressure UV/IR-MALDI ion source coupled to an orthogonal time-of-flight mass spectrometer.
Anal. Chem. 2009,81, 2921-2934. DOI: 10.1021/ac802301s


Distler, U. Souady, J., Hülsewig, M., Drmi-Hofman, I., Haier, J., Denz, A., Grützmann, R., Pilarsky, C., Senninger, N., Dreisewerd, K., Berkenkamp, S., Schmidt, M. A., Peter-Katalinic, J., Müthing, J.
Tumor-associated CD75s- and iso-CD75s-gangliosides are potential targets for adjuvant therapy in pancreatic cancer.
Mol. Cancer Ther. 2008,7, 2464-2475. DOI: 10.1158/1535-7163.MCT-08-0353

Distler, U., Hülsewig, M, Souady, J., Dreisewerd, K., Haier, J., Senninger, N., Friedrich, A. W., Karch, H., Hillenkamp, F., Berkenkamp, S., Peter-Katalinic, J., Müthing, J.
Matching IR-MALDI-o-TOF mass Spectrometry with the TLC overlay binding assay and its clinical application for tracing tumor-associated glycosphingolipids in hepatocellular and pancreatic cancer.
Anal. Chem. 2008,80, 1835-1846.  DOI: 10.1021/ac702071x

Zarei, M., Bindila, L., Souady, J., Dreisewerd, K., Berkenkamp, S., Müthing, J., Peter-Katalinic, J.
A sialylation study of mouse brain gangliosides by MALDI a-TOF and o-TOF mass spectrometry.
J. Mass Spectrom. 2008,43, 716-725. DOI: 10.1002/jms.1367

Soltwisch, J., Berkenkamp, S.,  Dreisewerd, K.
A binary matrix of 2,5-dihydroxybenzoic acid and glycerol produces homogenous microcrystalline sample preparations for matrix-assisted laser desorption ionization mass spectrometry.
Rapid Commun. Mass Spectrom. 2008,22, 59-66. DOI:10.1002/rcm.3332

Mormann, M., Eble, J., Schwöppe, C., Mesters, R. M., Berdel, W. E., Peter-Katalinić, J., Pohlentz, G.
Fragmentation of intra- and inter-peptide disulfide bonds of proteolytic peptides by nanoESI collision induced dissociation.
Anal. Bioanal. Chem. 2008,392, 831-838. DOI: 10.1007/s00216-008-2258-7


Henkel, W.,  Dreisewerd, K.
The cyanogen bromide peptides of the fibrillar collagens I, III, and V, and their mass spectrometric characterization: Detection of linear peptides, peptide glycosylation and crosslinking peptides involved in formation of homo- and heterotypic fibrils.
J. Proteome Res. 2007,6, 4269-4289. DOI: 10.1021/pr070318r

Rohlfing, A., Müthing, J., Pohlentz, G., Distler, U., Peter-Katalinić, J., Berkenkamp, S., Dreisewerd, K.
IR-MALDI-MS analysis of HPTLC-separated phospholipid mixtures directly from the TLC plate.
Anal. Chem. 2007,79,  5793-5808. DOI: 10.1021/ac070633x

König, S., Kollas, O., Dreisewerd, K.
Generation of highly-charged peptide and protein ions by atmospheric pressure matrix-assisted infrared laser desorption ionization ion trap mass spectrometry.
Anal. Chem. 2007,79, 5484-5488. DOI: 10.1021/ac070628t

Dreisewerd, K., Draude, F., Kruppe, S., Rohlfing, A., Berkenkamp, S., Pohlentz, G.
Molecular analysis of native tissue and whole oils by infrared laser mass spectrometry.
Anal. Chem. 2007,79, 4514-4520. DOI: 10.1021/ac070191p

Dreisewerd, K., Lemaire, R., Pohlentz, G., Salzet, M., Wisztorski, M., Berkenkamp, S., Fournier, I.
Molecular profiling of native and matrix-coated tissue slices from rat brain by infrared and ultraviolet laser desorption/ionization orthogonal time-of-flight mass spectrometry.
Anal. Chem. 2007,79, 2462-2471. DOI: 10.1021/ac061768q

Cramer, R. C., Dreisewerd, K.
Principles and instrumentation of UV-MALDI.
in M. Gross (Ed.): Encyclopedia of mass spectrometry, Vol. 6,
Elsevier 2007, ISBN: 0080438016

Mormann, M., Zamfir, A. D., Seidler, D. G., Kresse, H., Peter-Katalinić, J.
Analysis of oversulfation in a chondroitin sulfate oligosaccharide fraction from bovine aorta by nanoelectrospray ionization quadrupole time-of-flight and Fourier-transform ion cyclotron resonance mass spectrometry.
J. Am. Soc. Mass Spectrom. 2007,18, 179-187. DOI: 10.1016/j.jasms.2006.09.016

Mormann, M., Kuck, D.
The gas-phase basicity and proton affinity of 7-methyl-1,3,5-cycloheptatriene as determined by the thermokinetic method.
J. Mass Spectrom. 2007,42, 263-265. DOI: 10.1002/jms.1142

Mormann, M., Decker, B., Kuck, D.
Composite C- and H-scrambling and fragmentation of long-lived 6-methylfulvene and 6,6-imethylfulvene - Alternative entry to the gas-phase chemistry of gaseous Toluenium (C7H9+) and Xylenium (C8H11+) ions.
Int. J. Mass Spectrom. 2007,267, 148-158. DOI: 10.1016/j.ijms.2007.02.031

Bindila, L., Steiner, K., Schaffer, C., Messner, P., Mormann, M., Peter-Katalinić, J.
Sequencing of O-Glycopeptides derived from an S-Layer glycoprotein of Geobacillus stearothermophilus NRS 2004/3a containing up to 51 monosaccharide residues at a single glycosylation site by fourier transform ion cyclotron resonance infrared multiphoton dissociation mass spectrometry.
Anal. Chem. 2007,79, 3271-3279. DOI: 10.1021/ac0617363