Univ.-Prof. Mag. Dr. Marc Pignitter
T: +43-1-4277-70621
1 - 20 out of 119

Caterino, S., Caniola, I. M., Sterflinger, K., Pignitter, M., & Cappa, F. (2025). Non-destructive analyses of iron-polyphenolic complexes for reconstructing iron-gall inks historical recipes. npj Heritage Science, 13(1), Article 371. https://doi.org/10.1038/s40494-025-01946-x



Hadidi, M., Tarahi, M., Günther Innerhofer, M., Pitscheider, I., Löscher, A., & Pignitter, M. (2025). Pumpkin seed as a sustainable source of plant-based protein for novel food applications. Critical Reviews in Food Science and Nutrition. Advance online publication. https://doi.org/10.1080/10408398.2025.2505235

Bao, Y., Osowiecka, M., Ott, C., Tziraki, V., Meusburger, L., Blaßnig, C., Krivda, D., Pjevac, P., Séneca Cardoso Da Silva, J., Strauß, M., Steffen, C., Heck, V., Aygün, S., Duszka, K., Doppelmayer, K., Grune, T., & Pignitter, M. (2025). Dietary oxidized lipids in redox biology: Oxidized olive oil disrupts lipid metabolism and induces intestinal and hepatic inflammation in C57BL/6J mice. Redox biology, 81, Article 103575. https://doi.org/10.1016/j.redox.2025.103575



Bao, Y., Stricker, I., Romanek, S., Strauss, M., Preinfalk, V., Lieder, B., & Pignitter, M. (2025). Oxidized lipids from sunflower oil modulate fatty acid uptake in Caco-2 cells through regulation of fatty acid transporters. Food Bioscience, 65, Article 106004. https://doi.org/10.1016/j.fbio.2025.106004

Gregor, A., Malleier, M., Auñon-Lopez, A., Auernigg-Haselmaier, S., König, J., Pignitter, M., & Duszka, K. (2025). Glutathione Contributes to Caloric Restriction-Triggered Shift in Taurine Homeostasis. Nutrients, 17(5), Article 777. Advance online publication. https://doi.org/10.3390/nu17050777


Aghababaei, A., Aghababaei, F., Pignitter, M., & Hadidi, M. (2025). Artificial Intelligence in Agro-Food Systems: From Farm to Fork. Foods, 14(3), Article 411. https://doi.org/10.3390/foods14030411

Aghababaei, F., McClements, D. J., Pignitter, M., & Hadidi, M. (2025). Plant protein edible inks: Upgrading from 3D to 4D food printing. Food Chemistry: X, 26, Article 102280. https://doi.org/10.1016/j.fochx.2025.102280





Aghababaei, F., McClements, D. J., Pignitter, M., & Hadidi, M. (2024). A comprehensive review of processing, functionality, and potential applications of lentil proteins in the food industry. Advances in Colloid and Interface Science, 333, Article 103280. https://doi.org/10.1016/j.cis.2024.103280


Howard, E. J., Meyer, R. K., Weninger, S. N., Martinez, T., Wachsmuth, H. R., Pignitter, M., Auñon-Lopez, A., Kangath, A., Duszka, K., Gu, H., Schiro, G., Laubtiz, D., & Duca, F. A. (2024). Impact of Plant-Based Dietary Fibers on Metabolic Homeostasis in High-Fat Diet Mice via Alterations in the Gut Microbiota and Metabolites. Journal of Nutrition, 154(7), 2014-2028. https://doi.org/10.1016/j.tjnut.2024.05.003

1 - 20 out of 119

Lipidomic and Metabolomic Insights from Supplementation with Linseed Oil from Germinated Seeds

Pointner, T. (Speaker), Brandl, R. (Contributor), Buchwinkler, S. (Contributor) & Pignitter, M. (Contributor)

25 Sept 2025

Activity: Talks and presentationsTalk or oral contributionScience to Science


Lipidomics Reveals Benefits of Germinated Linseed Oil: From Enhanced Nutrional Quality and Oxidative Stability to Tissue-Specific Remodeling

Pointner, T. (Speaker), Brandl, R. (Contributor), Buchwinkler, S. (Contributor), Rauh, K. (Contributor), Auñon-Lopez, A. (Contributor), Ott, C. (Contributor), Kostadinović Veličkovska, S. (Contributor), Mitrev, S. (Contributor), Grune, T. (Contributor) & Pignitter, M. (Contributor)

14 Sept 2025

Activity: Talks and presentationsTalk or oral contributionScience to Science


Comprehensive Fingerprinting and Machine Learning-Driven Scanning for Shelf-Life Prediction of Cold-Pressed Oils

Pointner, T. (Speaker), Steinlechner, P. (Contributor), Gonzalez Viejo, C. (Contributor), Fuentes, S. (Contributor) & Pignitter, M. (Contributor)

16 Jun 2025

Activity: Talks and presentationsTalk or oral contributionScience to Science


Unveiling the potential of beetroot leaf as a sustainable source of protein: Insights into extraction technology, functional properties and in vitro digestibility

Raoui, E. M. (Speaker), Hadidi, M. (Contributor), Gruber, S. (Contributor), Lopez, A. E. (Contributor), Toca-Herrera, J. L. (Contributor) & Pignitter, M. (Contributor)

16 Jun 2025

Activity: Talks and presentationsTalk or oral contributionScience to Science


Optimized flaxseed oil influences intestinal lipid metabolism and reduces plasma oxidative stress

Pignitter, M. (Speaker), Aurum, F. S. (Contributor), Strauß, M. (Contributor), Bao, Y. (Contributor), Rogozinski, J. (Contributor), Meusburger, L. (Contributor), Ott, C. (Contributor), Gassner , M. (Contributor), König , D. (Contributor) & Grune, T. (Contributor)

27 Apr 2025

Activity: Talks and presentationsTalk or oral contributionScience to Science


Application of lipidomics to vegetable oils for classification, quality analysis, and nutritional value

Pignitter, M. (Speaker)

15 Oct 2024

Activity: Talks and presentationsTalk or oral contributionScience to Science


A systematic and mulit-analtytical approach in the in-depth characterization of Iron-gall inks

Salvatore, C. (Speaker), Caniola, I. M. (Contributor), Zoleo , A. (Contributor), Sterfling , K. (Contributor), Pignitter, M. (Contributor) & Cappa, F. (Contributor)

4 Jun 2024

Activity: Talks and presentationsTalk or oral contributionScience to Science


Testing the aproach applied for theoretical research of inks and parchment interaction

Cappa, F. (Speaker), Salvatore, C. (Contributor), Caniola, I. M. (Contributor), Jembrih-Simbuerger , D. (Contributor), Sterfling , K. (Contributor), Pignitter, M. (Contributor), Zoleo , A. (Contributor) & Hofmann , C. (Contributor)

4 Jun 2024

Activity: Talks and presentationsTalk or oral contributionScience to Science


Diet Enriched with Epoxidized Triacylglycerols Induces Inflammatory Responses in the Gastrointestinal Tract of Mice

Osowiecka, M. (Speaker), Bao, Y. (Contributor), Strauß, M. (Contributor), Ott, C. (Contributor), Krievda, D. (Contributor), Bleyer, R. (Contributor), Lesdov, Y. (Contributor), Armentia Matheu, S. (Contributor), Maulide, N. (Contributor), Grune, T. (Contributor) & Pignitter, M. (Contributor)

28 Apr 2024

Activity: Talks and presentationsTalk or oral contributionScience to Science


Linseed Oil from Germinated Seeds Revealed Enhanced Nutritional Quality, Oxidative Stability and Bioactivity

Pointner, T. (Speaker), Rauh, K. (Contributor), Buchwinkler, S. (Contributor), Aunon-Lopez, A. (Contributor), Kostadinovikc, S. (Contributor), Mitriv, S. (Contributor), Mitreva , M. (Contributor) & Pignitter, M. (Speaker)

28 Apr 2024

Activity: Talks and presentationsTalk or oral contributionScience to Science


Reactivity of monosodium glutamate in meat and its role on lipid and protein oxidative processes

Aunon-Lopez, A. (Speaker), Rohringer, V. (Contributor), Alberdi-Cedeño, J. (Contributor), Taranaci , K. (Contributor) & Pignitter, M. (Speaker)

28 Apr 2024

Activity: Talks and presentationsTalk or oral contributionScience to Science


Revitalizing flaxseed oil: Novel strategies for improved stability, nutrion and taste

Pointner, T. (Contributor), Strauß, M. (Contributor), Rauh, K. (Contributor), Backes, L. (Contributor), Steinschaden, R. (Contributor), Cheung, A. (Contributor), Frühwirth, S. (Contributor), Lieder, B. (Contributor) & Pignitter, M. (Speaker)

28 Apr 2024

Activity: Talks and presentationsTalk or oral contributionScience to Science


Gastrointestinal Inflammation induced by a Diet Supplemented with Epoxidized Triacylglycerols in Mice

Osowiecka, M. (Speaker), Bao, Y. (Contributor), Strauß, M. (Contributor), Ott, C. (Contributor), Krievda, D. (Contributor), Bleyer, R. (Contributor), Lesdov, Y. (Contributor), Armentia Matheu, S. (Contributor), Maulide, N. (Contributor), Grune, T. (Contributor) & Pignitter, M. (Contributor)

3 Apr 2024

Activity: Talks and presentationsTalk or oral contributionScience to Science


Maximizing the Value of Aronia and Elderberry Pomace Through Particle Size Precision for Enhanced Polyphenol Bioaccessibility

Pointner, T. (Speaker), Kaltenbrunner , N. (Contributor) & Pignitter, M. (Contributor)

3 Apr 2024

Activity: Talks and presentationsTalk or oral contributionScience to Science


Monosodium glutamate in meat: Its role on lipid and protein oxidation

Aunon-Lopez, A. (Speaker), Rohringer, V. (Contributor), Alberdi-Cedeño, J. (Contributor), Taranaci , K. (Contributor) & Pignitter, M. (Contributor)

3 Apr 2024

Activity: Talks and presentationsTalk or oral contributionScience to Science


Sustainable innovations to enhance food quality

Pignitter, M. (Invited speaker)

3 Apr 2024

Activity: Talks and presentationsTalk or oral contributionScience to Science


From Dietary Epoxides to Chlorinated Lipids: Unraveling Gastrointestinal Inflammation in Mice

Pignitter, M. (Invited speaker)

2 Apr 2024

Activity: Talks and presentationsTalk or oral contributionScience to Science


In vitro digestion induces conversion of dietary epoxides to chlorinated lipids

Strauß, M. (Speaker), Bao, Y. (Contributor), Gufler, A. (Contributor), Armentia Matheu, S. (Contributor), Lebedev, Y. (Contributor), Maulide, N. (Contributor), Riederer, M. (Contributor), Ressler, M. (Contributor) & Pignitter, M. (Contributor)

10 Oct 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Comprehensive Analysis of Sustainably Produced Flaxseed Oil Revealed Prolonged Shelf Life.

Strauß, M. (Speaker) & Pignitter, M. (Contributor)

17 Sept 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Influence of processing on lipid and protein oxidation in plant-based meat substitutes

Aunon-Lopez, A. (Speaker), Strauß, M. (Contributor), Hinterreiter-Kern , E. (Contributor), Klein, A. (Contributor) & Pignitter, M. (Contributor)

17 Sept 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Influence of processing on Maillard reactions and lipid oxidation in plant-based meat substitutes

Aunon-Lopez, A. (Speaker), Strauß, M. (Contributor), Hinterreiter-Kern , E. (Contributor), Klein, A. (Contributor) & Pignitter, M. (Contributor)

17 Sept 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Novel Chlorinated Lipids Detected during in vitro Digestion of Epoxidized Triacylglycerols Found in Canola Oil

Strauß, M. (Speaker), Bao, Y. (Contributor), Gufler, A. (Contributor), Armentia Matheu, S. (Contributor), Maulide, N. (Contributor), Riederer, M. (Contributor), Resller, M. (Contributor) & Pignitter, M. (Contributor)

17 Sept 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Influence of processing on Maillard reactions and lipid oxidation in plant-based meat substitutes

Aunon-Lopez, A. (Speaker), Strauß, M. (Contributor), Hinterreiter-Kern , E. (Contributor), Klein, A. (Contributor) & Pignitter, M. (Contributor)

5 Jun 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Analysis of the influence of germination on quality parameters and shelf life of linseed oil and sunflower oil

Pointner, T. (Speaker) & Pignitter, M. (Contributor)

22 May 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Potentially bitter-masking substances in linseed oil enriched with linseed press cake polyphenols

Strauß, M. (Speaker), Backes, L. (Contributor) & Pignitter, M. (Contributor)

22 May 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Sustainable food packaging to combat lipid oxidation in edible oils.

Pignitter, M. (Invited speaker), Holler, M. (Contributor), Alberdi-Cedeño, J. (Contributor), Aunon-Lopez, A. (Contributor), Pointner, T. (Contributor), Martínez-Yusta, A. (Contributor) & König, J. (Contributor)

30 Apr 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


New insight in the chemistry of iron-gall links through the use of an innovative methodological approach

Caterino , S. (Speaker), Crestini, C. (Contributor), Pignitter, M. (Contributor), Sterflinger, K. (Contributor), Zoleo , A. (Contributor) & Cappa , F. (Contributor)

11 Apr 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Biosynthetic Flexibility of Pseudomonas aeruginosa Leads to Hydroxylated 2-Alkylquinolones with Proinflammatory Host Response

Savchenko, V. (Speaker), Szamosvari, D. (Contributor), Bao, Y. (Contributor), Pignitter, M. (Contributor) & Böttcher, T. (Contributor)

22 Mar 2023

Activity: Talks and presentationsTalk or oral contributionScience to Science


Lipid oxidation in food – fat spoilage

Pignitter, M. (Speaker)

5 Oct 2022

Activity: Talks and presentationsTalk or oral contributionScience to Science


Bitter sensing TAS2R50 mediates trans-Resveratrol-induced anti-inflammatory effect on interleukin 6 release in HGF-1 cells

Somoza, V. (Speaker), Tiroch, J. (Contributor), Sterneder, S. K. (Contributor), Di Pizio, A. (Contributor), Lieder, B. (Contributor), Hölz, K. (Contributor), Holik, A.-K. (Contributor), Pignitter, M. (Contributor), Behrens, M. (Contributor), Somoza, M. M. (Contributor) & Ley, J. (Contributor)

21 Aug 2022

Activity: Talks and presentationsTalk or oral contributionScience to Science


A novel linseed oil with increased oxidative stability and decreased bitter taste

Strauß, M. (Speaker), Backes, L. (Contributor), Deck, C. M. (Contributor), Cheung, A. (Contributor), Lieder, B. (Contributor) & Pignitter, M. (Contributor)

13 Jun 2022

Activity: Talks and presentationsTalk or oral contributionScience to Science


Effects of monosodium glutamate on lipid oxidation in meat products

Aunon-Lopez, A. (Speaker), Alberdi-Cedeño, J. (Contributor), Demir, K. (Contributor) & Pignitter, M. (Contributor)

13 Jun 2022

Activity: Talks and presentationsTalk or oral contributionScience to Science


Gesunde Speiseöle? Palmöl – was steckt dahinter?

Pignitter, M. (Invited speaker)

1 Jun 2022

Activity: Talks and presentationsTalk or oral contributionScience to Science


Influence of monosodium glutamate on the oxidative stability of meat lipids

Alberdi-Cedeño, J. (Speaker), Demir, K. (Contributor) & Pignitter, M. (Contributor)

1 May 2022

Activity: Talks and presentationsTalk or oral contributionScience to Science


Strategien zur Überwachung und Bekämpfung der oxidativen Ranzigkeit von Lebensmitteln.

Pignitter, M. (Keynote speaker)

6 Apr 2022

Activity: Talks and presentationsTalk or oral contributionScience to Science


Limiting food rancidity by targeting carbonyl-amine reactions in food

Aunon-Lopez, A. (Speaker) & Pignitter, M. (Contributor)

20 Oct 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Molecular Insights into the Regulation of Fatty Acid Uptake in Caco-2 Cells by Oxidized Lipids

Bao, Y. (Speaker) & Pignitter, M. (Contributor)

20 Oct 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Decoding the profile of oxidized lipids in foods and their metabolic impact

Pignitter, M. (Invited speaker)

24 Jun 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Award Lecture: Omics Technologies to Control the Formation of Lipid Oxidation Products in Food and Their Metabolic Effects

Pignitter, M. (Invited speaker)

3 May 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Contemporary Analysis of Lipid Oxidation Products: Detecting and Quantitating More Products at Lower Levels

Pignitter, M. (Invited speaker) & Goncalves Dias , F. F. (Contributor)

3 May 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Dietary Oxidized Lipids Affect Phospholipid Profile and Fatty Acid Uptake in Gastrointestinal Cells

Bao, Y. (Speaker), Frühwirth, S. F. (Contributor), Stricker , I. (Contributor), Salim, M. (Contributor), Zehentner, S. (Contributor), Somoza, V. (Contributor) & Pignitter, M. (Contributor)

3 May 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Processing to Enhance Bioactive Ingredients for Health-promoting Foods

Pignitter, M. (Invited speaker) & Schwarz , K. (Contributor)

3 May 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Gesunde Speiseöle und –fette

Pignitter, M. (Invited speaker)

17 Mar 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Gesunde Speiseöle und -fette Webinar

Pignitter, M. (Invited speaker)

17 Mar 2021

Activity: Talks and presentationsTalk or oral contributionScience to Science


Ingredient-dependent extent of lipid oxidation in margarine

Pignitter, M. (Speaker), Frühwirth, S. F. (Contributor), Egger, S. (Contributor), Ehrnhöfer-Reßler, M. (Contributor), Flecker, T. (Contributor), Kurzbach, D. (Contributor), Windisch, J. (Contributor), Jirsa, F. (Contributor) & Firat, N. (Contributor)

23 Nov 2020

Activity: Talks and presentationsTalk or oral contributionScience to Science


Enhancing the shelf life of flaxseed oil by modifying oil manufacturing processes

Frühwirth, S. F. (Contributor), Steinschaden, R. (Contributor), Woschitz, L. (Contributor) & Pignitter, M. (Speaker)

29 Jun 2020

Activity: Talks and presentationsTalk or oral contributionScience to Science


ESR as a tool to investigate environmentally persistent and short-lived radicals

Pignitter, M. (Invited speaker)

27 Jan 2020

Activity: Talks and presentationsTalk or oral contributionScience to Science


LCMS-based investigations on oxidized food lipids an their metabolic effects

Pignitter, M. (Invited speaker)

26 Sept 2019

Activity: Talks and presentationsTalk or oral contributionScience to Science


EPR - shedding light on free radicals and oxidation states of paramagnetic transition

Pignitter, M. (Invited speaker)

24 Sept 2019

Activity: Talks and presentationsTalk or oral contributionScience to Science


LCMS-based investigations on oxidized food lipis and their metabolic effects

Pignitter, M. (Invited speaker)

24 Sept 2019

Activity: Talks and presentationsTalk or oral contributionScience to Science


Oxidized lipids in our daily diet – Controlling their formation and understanding their health effects

Pignitter, M. (Invited speaker)

3 Jun 2019

Activity: Talks and presentationsTalk or oral contributionScience to Science


Oxidized triacylglycerols from grape seed oil modulate phospholipid pool in gastric cells

Frühwirth, S. F. (Contributor), Zehetner, S. (Contributor), Salim, M. (Contributor), Sterneder, S. K. (Contributor), Lieder, B. (Contributor), Nicolotti, L. (Contributor), Zehl, M. (Contributor), Herderich, M. (Contributor), Somoza, V. (Contributor) & Pignitter, M. (Speaker)

26 Apr 2019

Activity: Talks and presentationsTalk or oral contributionScience to Science


LC-ESI-QTOF-MS/MS Identification of a Novel Antioxidant Produced by Carbonyl-amine Reactions in Soybean Oil

Pignitter, M. (Speaker), Goritschnig, J. (Contributor) & Tadus, K. (Contributor)

4 Jun 2018

Activity: Talks and presentationsTalk or oral contributionScience to Science


Tracking and controlling food lipid oxidation and its biological implications

Pignitter, M. (Invited speaker)

14 May 2018

Activity: Talks and presentationsTalk or oral contributionScience to Science


Non-targeted Screening for Oxidized Lipids in Foods

Pignitter, M. (Speaker), Grüneis, V. (Contributor), Popovic, N. (Contributor), Zehl, M. (Contributor) & König, J. (Contributor)

6 May 2018

Activity: Talks and presentationsTalk or oral contributionScience to Science


Electron spin resonance spectroscopy - a versatile tool to unravel molecular mechanisms in chemistry and biology

Pignitter, M. (Invited speaker)

7 Oct 2016

Activity: Talks and presentationsTalk or oral contributionOther



Beitrag von Speiseölen zur Deckung der wünschenswerten Zufuhr von Vitamin A und E

Pignitter, M. (Invited speaker)

20 Nov 2015

Activity: Talks and presentationsTalk or oral contributionOther


Fat soluble vitamin reduction in food processing

Pignitter, M. (Speaker)

17 Nov 2015

Activity: Talks and presentationsTalk or oral contributionOther


Vitamin A content of fortified soybean oil decreases rapidly under household storage conditions

Pignitter, M. (Speaker)

14 Sept 2014

Activity: Talks and presentationsTalk or oral contributionOther


LCMS in der Ernährungsphysiologie

Pignitter, M. (Invited speaker)

11 Sept 2014

Activity: Talks and presentationsTalk or oral contributionOther


Effect of copper on fatty acid profile in non- and semi-fermented tea analyzed by LCMS-based non-targeted screening

Pignitter, M. (Speaker)

13 Jun 2014

Activity: Talks and presentationsTalk or oral contributionOther


Deep-frying beyond taste and smell - potential health risks and benefits of lipid peroxidation products

Pignitter, M. (Speaker)

5 Jun 2014

Activity: Talks and presentationsTalk or oral contributionOther


Healthy Cooking Oils - Do they exist?

Pignitter, M. (Keynote speaker)

27 Oct 2013

Activity: Talks and presentationsTalk or oral contributionOther


Untersuchungen zur Bioverfügbarkeit und Metabolisierung von Sulforaphan mittels LCMS

Pignitter, M. (Invited speaker)

5 Sept 2013

Activity: Talks and presentationsTalk or oral contributionOther


Effect of dietary a-linolenic acid preconditioning on its incorporation and conversion into long-chain polyunsaturated fatty acids

Pignitter, M. (Contributor)

23 Sept 2012

Activity: Talks and presentationsTalk or oral contributionOther


Nonivamide, a capsaicin analog, increases dopamine and serotonin release in SH-SY5Y cells via a TRPV1- independent pathway

Pignitter, M. (Contributor)

22 Aug 2012

Activity: Talks and presentationsTalk or oral contributionOther


Beer bitter acids regulate mechanisms of gastric acid secretion

Pignitter, M. (Contributor)

19 Aug 2012

Activity: Talks and presentationsTalk or oral contributionOther


Enhan cing the shelf life of beef and pork rich in omega‑3 fat ty acids

Pignitter, M. (Project Lead)

1/05/2330/04/26

Project: Research cooperation


Antioxidative advanced lipid oxidation end products in oils

Pignitter, M. (Project Lead)

20/05/2119/05/24

Project: Research funding


Oxidierte Fette mit Einfluss auf den Lipidstoffwechsel

Pignitter, M. (Project Lead)

1/10/2030/04/24

Project: Research funding


Department of Physiological Chemistry

Deputy Head
Ersthelfer

Josef-Holaubek-Platz 2 (UZA II)
1090 Wien
Room: 2B522

T: +43-1-4277-70621

marc.pignitter@univie.ac.at