de | en
TUM Campus Straubing
OAC - TUM Campus Straubing > Publications
Alternativer Text

Publications

 

Prof. Dr. Herbert Riepl

2020

Urmann C. and Riepl H.” Semi-Synthetic Approach Leading to 8-Prenylnaringenin and 6-Prenylnaringenin: optimization of the Microwave-Assisted Demethylation of Xantohumol Using Design of Experiments” Molecules 2020, 25(17), 4007, https://doi.org/10.3390/molecules25174007

Ritter S., Urmann C., Herzog R., Glaser J., Bieringer S., Geisberger T., Wisenreich W. and Riepl H. “Where is Bacosine in Commercially Available Bacopa monnieri?” Planta Medica 2020, 86(8), 565-570. https://doi.org/10.1055/a-1137-4289

2019

Bieler L., Vogl M., Kirchinger M., Urmann C., Riepl H., Bandtlow C., Klimaschewski L., Aigner L., Couillard-Despres S., The Prenylflavonoid ENDF1 Overrules Central Nervous System Growth Inhibitors and Facilitates Regeneration of DRG Neurons, Frontiers in Cellular Neuroscience 2019, 13. https://doi.org/10.3389/fncel.2019.00332

2018

Venturelli S., Niessner H., Sinnberg T., Berger A., Burkard M., Urmann C., Donaubauer K., Böcker A., Leischner C., Riepl H., Frank J., Lauer U., Garbe C., Busch C. 6- and 8-Prenylnaringenin, Novel Natural Histone Deacetylase Inhibitors Found in Hops, Exert Antitumor Activity on Melanoma Cells. C. Cell Physiol Biochem. 2018;51(2):543-556. doi: 10.1159/000495275.

2015

Kinzl, F. und Riepl, H.: Synthesis of Terpene Diamines Based on Camphor-Derived Dinitriles. Helvetica Chimica Acta 2015, 98(4) 447-452

Urmann C, Oberbauer E, Couillard-Després S., Aigner L, Riepl H: Neuro-differentiating Potential of 8 Prenylnaringenin and Related Compounds in Neural Precursor Cells and Correlation with Estrogen-like Activity. Planta Medica 2015; 81(4):305-311. doi: 10.1055/s-0034-1396243

2013

Oberbauer, E.*; Urmann, C.*; Steffenhagen, C.; Bieler, L.; Brunner, D.; Furtner, T.; Humpel, C.; Baeumer, B.; Bandtlow, C.; Couillard-Despres, S.; Rivera, FJ.; Riepl, H.; Aigner, L.; Chroman-like cyclic prenylflavonoids promote neuronal differentiation and neurite outgrowth and are neuroprotective; Journal of Nutritional Biochemistry; 24(11):1953-62; DOI:10.1016/j.jnutbio.2013.06.005.

Firlbeck, D.; Faulstich, M.; Urmann, C.; Tafesh, A.; Azaizeh, H.; Riepl, H.; Central Composite Design for Optimal Technology of Concentrating Vanillic Acid Using Foam Fractionation; Separation and Purification Technology; 119, 28-34; DOI:10.1016/j.seppur.2013.08.033

T. Huber, D. Firlbeck, H.M. Riepl, J.; Iridium-catalysed Isomerising Trialkylsilylation of Methyl Oleate; Journal of Organometallic. 744 (2013) 144-148; DOI: 10.1016/j.jorganchem.2013.06.002

2012

Herbert M. Riepl, Corinna Urmann,
Improved Synthesis of Indirubin Derivatives by Sequential Build-up of the Indoxyl Unit: First Preparation of Fluorescent Indirubines, Helvetica Chimica Acta.

2010

Herbert M. Riepl , Jürgen Pettrak, Martin Faulstich, Wolfgang A. Herrmann,
Self-metathesis of fatty alcohols and amines to provide monomers for polyester and polyamides, J. Macromol. Symp. 293, 39.

2009

Herbert M. Riepl and Melanie Kellermann:
Synthesis of Dibenzo[b,f][1,7]naphthyridine-6, 12-dion, an Unexpected Isolate from Isatis tintoria.
Helvetica Chimica Acta 2009, 92, 668

Buchbeitrag: Desmethylxanthohumol from Hops, Chemistry and Biological Effects; Reinhard A. Diller, Herbert M. Riepl, Oliver Rose, Corazon Frias, Günter Henze, Aram Prokop; Beer in Health and Disease Prevention, 2009, 703-709; Chapter 71

2008

Patrick Jesse; Herbert M. Riepl; Thomas Wieder; Günter Henze; Aram Prokop:
A Synthetic Analogue of the Indigo Jeans Dye Tryptanthrin Induces Apoptosis In Vitro, Ex Vivo and in In Vivo in Pediatric Leukemia and Lymphoma Cells Sensitizing Malignant Cells to Cytostatic Drugs Via Downregulation of XIAP.
J. American Soc. of Hematology, 2008, 112(11) 910

Herrmann, Wolfgang A.; Rost, Alexandra M. J.; Tosh, Evangeline; Riepl, Herbert; Kuehn, Fritz E.:
Super absorbers from renewable feedstock by catalytic oxidation.
Green Chemistry (2008), 10(4), 442-446

Reinhard A. Diller; Herbert M. Riepl; Oliver Rose; Corazon Frias; Günter Henze and Aram Prokop:
Desmethylxanthohumol from hops, chemistry and biological effects.
Buchbeitrag, Enzylopaedic Handbook of Hop and Beer

2007

Diller, R. A.; Riepl, H. M.; Rose, O.; Frias, C.; Henze, G.; Prokop, A.:
Ability of Prenylflavanones Present in Hops to Induce Apoptosis in a Human Burkitt Lymphoma Cell Line.
Planta Medica, 2007, Band 73, S. 755-761

2005

Diller, R. A.; Riepl, H. M.; Rose, O.; Frias, C.; Henze, G.; Prokop, A.:
Synthesis and Activity of Desmethylxanthohumol, a new potent apoptosis inducing agent from hops.
Chemistry & Biodiversity, 2005, 2, 1331

2004

Doll K.; Riepl H.; Dirksen G.: Pathophysiological significance of steatorrhea as well as of hydroxystearic acids in the feces of calves with diarrhea. Dtsch Tierarztl Wochenschr. 2004 Jan;111(1):22-8. German. PMID: 14983751, PubMed – indexed for MEDLINE, Related citations

1999

Doll K, Riepl H, Eichhorn W, Dirksen G.: Bile acid concentrations in serum, bile and feces of healthy calves and calves with diarrhea.  Dtsch Tierarztl Wochenschr. 1999 Jan;106(1):35-40. German. PMID: 10028759, PubMed – indexed for MEDLINE, Related citations

1993

Herrmann, W. A. H.; Anwander, R.; Riepl, H.; Scherer, W.; Whittaker, C. R.:
General synthesis and metal complexes of fused-ring bicyclic cyclopentadienes
Organometallics 1993, 12, 4342

1990

Herrmann, W. A. H.,;Kellner, J.; Kulpe, J.; Riepl, H.:
Water-soluble metal complexes and catalysts. 1. Water-soluble metal complexes of the sulfonated
triphenylphosphine TPPTS: preparation of the pure complex and its use as a catalyst.
Angew. Chem., 1990, 102, 408

Herrmann, W. A. H.; Kellner, J.; Riepl, H.:
Water soluble metal complexes and catalysts. III. New water soluble metal complexes of sulfonated
triphenylphosphine (TPPTS): Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Ag, Au.
Journal of organometallic chemistry, 1990, 389, 103

Patente

2012

Riepl H. & Urmann C.
Refining process for separation of prenylated polyphenols
DE 102012105613 A1

2011

Aigner L.; Oberbauer-Hofmann, E., Couillard-Despres S., Rivera F., Riepl H., Urmann C., Biendl M.; Chromane-like cyclic prenylflavonoids for the medical intervention in neurological disorders; PCT Int. Appl. (2012) WO 2012172090 A1 20121220

2004

EP2004/003467
H. Riepl; A. Prokop; T. Weder:
8-Nitrotryptanthrine and other tryptanthrine derivatives useful in the therapy of
neoplastic disease caused by hyper-proliferative cells, PCT-applied paten

1995

EP 95108100.9
Kellner, J.: Kulpe, J.; Riepl, H.; Herrmann, W.A.H.:
Sulfonated triphenylphosphane containing metal complexes

1993

EP 93112056.2
Winter, A.; Küber, F.; Spaleck, W.; Riepl, H.; Herrmann, W.A.H.; Dolle, V.; Rohrmann, J.:
Methods for preparation of olefin polymers by using zirconocenes with substituted indenyls

EP 93112057.0
Winter, A.; Rohrmann, J.; Antberg, M.; Spaleck, W.; Riepl, H.; Herrmann, W.A.H.:
Methods for preparation of olefin polymers by using special zirconocenes

1991

EP 91120843.7
Riepl, H.; Herrmann, W.A.H.; Rohrmann, J.:
Metallocenes with bicyclic cyclopentadienyl derivatives, methods for their preparation, use as catalysts for olefin
polymerisation

1989

EP 89121708.5
Kulpe, J.; Riepl, H.; Herrmann, W.A.H.; Kellner, J.:
Sulfonated triphenylphosphane containing metal complexes

Dr. Corinna Urmann

Preprint

  • Vahekeni, N.; Stehlin, J.; Urmann, C.; Wolfram, E.; Geissmann, Y.; Ruedin, Y.; Engler, O.; Lardos, A. Historical Texts as a Potential Resource for Plant-Derived Natural Products against SARS-CoV-2 – the Example of the Receptarium of Burkhard III von Hallwyl from 16th Century Switzerland. bioRxiv June 13, 2024, p 2024.06.13.598798. https://doi.org/10.1101/2024.06.13.598798

Journal Articles (reviewed):

2024

  • Tomou, E.-M.; Goula, K.; Skaltsa, H.; Urmann, C. Comparative Phytochemical Analysis of Cultivated and Wild Sideritis Raeseri Boiss. & Heldr. Subsp. Raeseri Infusions. Natural Product Research 2024. https://doi.org/10.1080/14786419.2024.2309323.
  • Jeshua Friedrichs, J.-S.; Schmermund, L.; Urmann, C.; Sieber, V. Synthesis of N-Substituted Pyrrole-2,5-Dicarboxylic Acids from Pyrroles. Helvetica Chimica Acta n/a (n/a), e202400036. https://doi.org/10.1002/hlca.202400036.

2023

  • Rothammer, M.; Strobel, P.; Zollfrank, C.; Urmann, C. Biocompatible Coatings Based on Photo-Crosslinkable Cellulose Derivatives. International Journal of Biological Macromolecules 2023, 250, 126063. https://doi.org/10.1016/j.ijbiomac.2023.126063.
  • Tomou, E.-M.; Bieler, L.; Spöttl, T.; Couillard-Despres, S.; Skaltsa, H.; Urmann, C. Metabolic Fingerprinting of Different Sideritis Taxa Infusions and Their Neurogenic Activity. Planta Med 2023, 89 (11), 1087–1096. https://doi.org/10.1055/a-2072-2351.
  • Urmann, C.; Bieler, L.; Hackl, M.; Chia-Leeson, O.; Couillard-Despres, S.; Riepl, H. Semi-Synthesis of Different Pyranoflavonoid Backbones and the Neurogenic Potential. Molecules 2023, 28 (10), 4023. https://doi.org/10.3390/molecules28104023.

2022

  • Baas, J.; Bieringer, S.; Frias, C.; Frias, J.; Soehnchen, C.; Urmann, C.; Ritter, S.; Riepl, H.; Prokop, A. Dihydroxyquingdainone Induces Apoptosis in Leukaemia and Lymphoma Cells via the Mitochondrial Pathway in a Bcl-2- and Caspase-3-Dependent Manner and Overcomes Resistance to Cytostatic Drugs In Vitro. Molecules 2022, 27 (15), 5038. https://doi.org/10.3390/molecules27155038.

2021

  • Urmann C., Bieler L., Priglinger E., Couillard-Després S., Aigner L., Riepl H. Neurogenerative Potential of Prenyl– and Pyranocholcones: A Structure-Activity Study, Journal of Natural Products 2021, 84 (10) 2675-2682. DOI:10.1021/acs.jnatprod.1c00505

2020

  • Buckett, L.; Schinko, S.; Urmann, C.; Riepl, H.; Rychlik, M. Stable Isotope Dilution Analysis of the Major Prenylated Flavonoids Found in Beer, Hop Tea, and Hops. Front. Nutr. 2020, 7, 619921. https://doi.org/10.3389/fnut.2020.619921.

Vor 2020

  • Urmann C. and Riepl H.” Semi-Synthetic Approach Leading to 8-Prenylnaringenin and 6-Prenylnaringenin: optimization of the Microwave-Assisted Demethylation of Xantohumol Using Design of Experiments” Molecules 2020, 25(17), 4007, https://doi.org/10.3390/molecules25174007
  • Ritter S., Urmann C., Herzog R., Glaser J., Bieringer S., Geisberger T., Wisenreich W. and Riepl H. “Where is Bacosine in Commercially Available Bacopa monnieri?” Planta Medica 2020, 86(8), 565-570. https://doi.org/10.1055/a-1137-4289
  • Kirchinger, M*, Bieler L*, Tevini J, Vogl M, Haschke-Becher E, Felder T., Couillard-Despres S, Riepl H and Urmann C (2019). “Development and Characterization of the Neuroregenerative Xanthohumol C/Hydroxypropyl-beta-cyclodextrin Complex Suitable for Parenteral Administration.” Planta Med 85(16): 1233-1241. https://doi.org/10.1055/a-1013-1276 * Authors contribute equally
  • Bieler L., Vogl M., Kirchinger M., Urmann C., Riepl H., Bandtlow C., Klimaschewski L., Aigner L., Couillard-Despres S., The Prenylflavonoid ENDF1 Overrules Central Nervous System Growth Inhibitors and Facilitates Regeneration of DRG Neurons, Frontiers in Cellular Neuroscience 2019, 13. https://doi.org/10.3389/fncel.2019.00332
  • Venturelli S., Niessner H., Sinnberg T., Berger A., Burkard M., Urmann C., Donaubauer K., Böcker A., Leischner C., Riepl H., Frank J., Lauer U., Garbe C., Busch C. 6- and 8-Prenylnaringenin, Novel Natural Histone Deacetylase Inhibitors Found in Hops, Exert Antitumor Activity on Melanoma Cells. C. Cell Physiol Biochem. 2018;51(2):543-556. https://doi.org/10.1159/000495275.
  • Luescher S., Urmann C., Butterweck V. Effects of Hops Derived prenylflavonoids on TNF-α induced barrier dysfunction in intestinal epithelial cells. Journal of Natural Products 2017, 80 (4), pp 925–931; https://doi.org/10.1021/acs.jnatprod.6b00869
  • Urmann C., Oberbauer E., Couillard-Despres S.., Aigner L., Riepl H.: Neuro-differentiating Potential of 8‑Prenylnaringenin and Related Compounds in Neural Precursor Cells and Correlation with Estrogen-like Activity. Planta Medica 2015; 81(4):305-311;  https://doi.org/10.1055/s-0034-1396243
  • Firlbeck, D., Faulstich, M., Urmann, C., Tafesh, A., Azaizeh, H., Riepl, H. Central Composite Design for Optimal Technology of Concentrating Vanillic Acid Using Foam Fractionation. Separation and Purification Technology 2013; 119, 28-34; https://doi.org/10.1016/j.seppur.2013.08.033
  • Oberbauer, E.*; Urmann, C.*; Steffenhagen, C.; Bieler, L.; Brunner, D.; Furtner, T.; Humpel, C.; Baeumer, B.; Bandtlow, C.; Couillard-Despres, S.; Rivera, FJ.; Riepl, H.; Aigner, L.; Chroman-like cyclic prenylflavonoids promote neuronal differentiation and neurite outgrowth and are neuroprotective; Journal of Nutritional Biochemistry; 2013, 24(11):1953-62; https://doi.org/10.1016/j.jnutbio.2013.06.005.     * Authors contribute equally
  • Riepl H., Urmann C. Improved Synthesis of Indirubin Derivatives by Sequential Build-up of the Indoxyl Unit: First Preparation of Fluorescent Indirubins. Helvetica Chimica Acta 2012, 95(8): 1461-1477; https://doi.org/10.1002/hlca.201200042.

Patents:

  • Riepl H. & Urmann C. Refining process for separation of prenylated polyphenols DE 102012105613 A1
  • Aigner L.; Oberbauer-Hofmann, E., Couillard-Despres S., Rivera F., Riepl H., Urmann C., Biendl M.; Chromane-like cyclic prenylflavonoids for the medical intervention in neurological disorders; PCT Int. Appl. (2012) WO 2012172090 A1 20121220

Presentations:

  • Urmann C., Bieler L., Able T., Huber V., Kirchinger M., Aigner L., Couillard-Despres S. und Riepl H. Natural Products of Hops for Neuroregeneration, Deutscher Fachausschuss Arznei, Gewürz, & Aromapflanzen, Freising September (2023)
  • Tomou E., Bieler L., Couillard-Despres S., Skaltsa E. and Urmann C. Neuroregenerative potential of infusions of different Sideritis taxa & metabolic fingerprinting, 70th International Congress and Annual Meeting of the Society-for-Medicinal-Plant-and-Natural-Product-Research, Thessaloniki (2022)
  • Urmann C., Kirchinger M., Bieler L. Couillard-Despres S, Riepl H. The Story of Xanthohumol C 69th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research, Bonn, online (2021)
  • Urmann C. Cyclodextrin-unterstützte Extraktion neurorelevanter Chalkone Jahrestreffen der ProcessNet-Fachgruppe Phytoextrakte 2021 DECHEMA; digital (2021)
  • Urmann C. IT TOF supported analysis of natural products, 2019 Shimadzu MS-Tage, Düsseldorf, Germany
  • Urmann C, Chia-Leeson O, Märkl S, Stark T, Kirchinger M Inhibition of Histone Deacetylases Using Flavonoids from Hops 2017 International Congress and Annual Meeting of the Society-for-Medicinal-Plant-and-Natural-Product-Research Basel, Switzerland
  • Urmann C. Discovery and Development of a Hop-derived Compound for Medicinal Use, 2016, Shimadzu MS-Tage, Berlin, Germany
  • Urmann C. Prenylflavonoides—Lead Compounds for Neuro Regeneration 2016 Botanical Center Meeting, University of Illinois in Chicago, Chicago U.S.A
  • Urmann C., Riepl H. A new method to enrich differentiation-inducing pyranoflavonoids 2015 International Humulus Symposium, Yakima U.S.A.
  • Urmann C., Kirchinger M., Bieler S. Couillard-Despres S., Riepl H. Structural modification of ENDF1 and the effect on inducing differentiation in neural precursor cells, 2015 63th International Congress and Annual Meeting of the Society-for-Medicinal-Plant-and-Natural-Product-Research Budapest, Hungary
  • Urmann C., Oberbauer E., Aigner L., Riepl H.: New Differentiation Effect of Hop Prenylflavonoids: Formation of Neurons from Stem Cells; 2013 The XVII International Congress „PHYTOPHARM 2013“; Vienna Austria

Contributions to scientific events (citeable):

  • Urmann, C.; Bieler, L.; Hackl, M.; Chia-Leeson, O.; Couillard-Despres, S.; Riepl, H. One-Pot Semi-Synthesis and Neurogenic Potential of Pyranoflavonoids with Different Structural Scaffolds. In Planta Medica; Georg Thieme Verlag KG, 2023; Vol. 89, p P-145. https://doi.org/10.1055/s-0043-1774022.
  • Vahekeni, N.; Urmann, C.; Stehlin, J.; Hofer, N.; Gmach, Y.; Wolfram, E.; Lardos, A. Historical Herbal Texts from Switzerland: A Potential Source for Plant- Derived Natural Products against SARS-CoV-2. In Planta Medica; Georg Thieme Verlag KG, 2023; Vol. 89, p P-411. https://doi.org/10.1055/s-0043-1774265.
  • Hofer, N.; Urmann, C. Optimization of a GC/MS-Based Screening of Plant Extracts Using GNPS. In Planta Medica; Georg Thieme Verlag KG, 2022; Vol. 88, p P-49. https://doi.org/10.1055/s-0042-1759034.
  • Wolf, M.; Emberger-Klein, A.; Werner, K.; Urmann, C.; Riepl, H.; Menrad, K. New Hops-Products for Neuroprotection and Regeneration: Consumer Insights and Product Expectations. In Planta Medica; Georg Thieme Verlag KG, 2022; Vol. 88, p P-321. https://doi.org/10.1055/s-0042-1759291.
  • Amm, A.; Egger, A. N.; Menrad, K.; Wolf, M.; Urmann, C.; Emberger-Klein, A. Self-Perceived Knowledge Concerning Herbal Medicine: A Consumer Segmentation Study in Germany. In Planta Medica; Georg Thieme Verlag KG, 2022; Vol. 88, p P-348. https://doi.org/10.1055/s-0042-1759318.
  • Tomou, E.-M.; Lytra, K.; Riepl, H.; Skaltsa, H.; Urmann, C. Metabolite Fingerprinting of Sideritis Taxa Infusions. In Planta Medica; Georg Thieme Verlag KG, 2022; Vol. 88, p P-242. https://doi.org/10.1055/s-0042-1759216.
  • Able, T.; Urmann, C.; Huber, V.; Riepl, H. Extension of Prenyl Side Chain of Flavanones as Tool to Prevent Cell Death Due to Oxidative Stress. In Planta Medica; Georg Thieme Verlag KG, 2022; Vol. 88, p P-191. https://doi.org/10.1055/s-0042-1759167.
  • Riepl, H.; Bieringer, S.; Urmann, C.; Ritter, S.; Baas, J.; Frias, C.; Frias, J.; Soehnchen, C.; Prokop, A. Short Lecture “Rare Isatis Tinctoria Metabolites: Quingdainones Overcome Multidrug Resistance in Leukemia Cells in Vitro.” In Planta Medica; Georg Thieme Verlag KG, 2022; Vol. 88, p SL-D02. https://doi.org/10.1055/s-0042-1758965.
  • Urmann, C.; Kirchinger, M.; Bieler, L.; Couillard-Després, S.; Riepl, H. The Story of Xanthohumol C – a Promising Neuro-Regenerative Chalcone from Hops. In Planta Medica; Georg Thieme Verlag, 2021; Vol. 87, p SL25. https://doi.org/10.1055/s-0041-1736773.
  • Chia-Leeson O., Riepl H., Urmann C.: Biotransformation of the Promising Neuro-Regenerative Hop-Chalcone Xanthohumol C, 67th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural 2019: Innsbruck, Austria https://doi.org/10.1055/s-0039-3399972
  • Ritter S., Urmann C., Bieler L., Couillard-Després S., Riepl H. Study of Neurodifferentiation Potential of Different Extracts of Bacopa monnieri, 67th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural 2019: Innsbruck, Austria https://doi.org/10.1055/s-0039-3400091
  • Bieringer S., Ritter S., Urmann C., Riepl H.: Isolation of Lyngbyatoxin and other Teleocidin species from ,,Streptomyces Blastmyceticum” Culture. 67th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural 2019: Innsbruck, Austria, https://doi.org/10.1055/s-0039-3400403
  • Urmann C, Chia-Leeson O, Märkl S, Stark T, Kirchinger M Inhibition of Histone Deacetylases Using Flavonoids from Hops 2017 International Congress and Annual Meeting of the Society-for-Medicinal-Plant-and-Natural-Product-Research Basel, Switzerland, Planta Medica International Open; Ausgabe S 01, 2017 https://doi.org/10.1055/s-0037-1608329
  • Kirchinger M., Urmann C., Bieler L., Couillard-Despres S.,  Riepl H. B-Ring Modification in Prenylflavonoids of Hops and the effect on indution of neuronal differentiation. Planta Medica 2016; 82(S 01): S1-S381; DOI: https://doi.org/10.1055/s-0036-1596764
  • Luescher S., Urmann C., Riepl H., Butterweck V. Effects of hops Derived Prenylflavonoids on TNF-α Induced Barrier Dysfunction in Intestinal Epithelial Cells. Planta Medica 2016; 82(S 01): S1-S381; https://doi.org/10.1055/s-0036-1596115
  • Urmann C., Kirchinger M., Bieler L., Couillard-Despres S., Aigner L.,  Riepl H. Strucural Modification of Xanthohumol C and the Effect on Inducing differentiation in neural precursor cells. Planta Medica 2015; 81 – SL5C-05; https://doi.org/10.1055/s-0035-1565357
  • Urmann C., Oberbauer E., Aigner L., Riepl H. Prenylflavonoids from hops induce neural differentiation independent from an estrogen-like activity Planta Med 2014; 80 – P2O13 https://doi.org/10.1055/s-0034-1395007
  • Urmann, C., Oberbauer, E., Aigner, L., Riepl, H. New approach to large scale isolation of rare prenylflavonoids; Planta Medica 2013; 79 PJ49; https://doi.org/10.1055/s-0033-1352253
  • Urmann C.; Oberbauer E.: Aigner L.; Riepl H. Neurogenesis-inducing flavonoids: A structure-activity study; Planta Medica 2013, 79 SL 50; https://doi.org/10.1055/s-0033-1351876
  • Urmann C., Oberbauer E., Aigner L. and Riepl H.: Differentiation Effects of Prenylflavanones and Chalcones Present in Hops in Neuronal Tissue Cultures; Planta Medica, 2011, 77 – SL52; https://doi.org/10.1055/s-0031-1282175

Contributions to scientific events (not published):

  • Ritter S., Urmann C., Riepl H.: Extraction, Anti-oxidative Capacity and Cytotoxicity of Baccosides, 19th International Congress of the International Society for Ethnopharmacology (ISE2019): Dresden, Germany
  • Vogl M., Bieler L., Roustan V., Urmann C., Riepl H., Aigner L., Weckwerth W., Couillard-Després S.: ENDF1 neutralises extracellular matrix associated inhibitor effect on DRG neurons outgrowth; 10th FENS Forum of Neuroscience; Kopenhagen. 2016.
  • Vogl M., Bieler L., Roustan V., Urmann C., Riepl H., Aigner L., Weckwerth W., Couillard-Després S.: Morphological and proteomic responses of neuronal cells to ENDF1; Neurogenesis; Bordeaux. 2016.
  • Vogl M., Bieler L., Roustan V., Urmann C., Riepl H., Aigner L., Weckwerth W., Couillard-Després S.: Morphological and proteomic responses of neuronal cells to ENDF1; PMU Science Get Together; Salzburg. 2016.
  • Bieler L., Vogl M., Garnweidner L., Urmann C., Riepl H., Aigner L. and Couillard-Després S.; Beta – Cyclodextrins as nanocarriers for neuroregenerative flavonoids; SCITReCS-Summit; Salzburg. 2015.
  • Vogl M., Bieler L., Garnweidner-Raith L., Urmann C., Riepl H., Aigner L., Weckwerth W., Couillard-Després S.: ENDF1: A proregenerative flavonoid for spinal cord injury; Paracelsus Science Get Together; Nürnberg. 2015.
  • Vogl M., Bieler L., Urmann C., Riepl H., Aigner L., Weckwerth W., Couillard-Després S.: ENDF1 and its pro-regenerative effects on postnatal DRG neurons; SCI-TReCS Summit; Salzburg. 2015.
  • Vogl M., Bieler L., Urmann C., Riepl H., Aigner L., Weckwerth W., Couillard-Després S.: ENDF1 and its pro-regenerative effects on postnatal DRG neurons; ANA annual meeting; Salzburg. 2015.
Logo Hochschule Weihenstephan-Triesdorf

Contact

Professorship Organic Analytical Chemistry

Schulgasse 16
D-94315 Straubing

Head

Prof. Dr. Herbert Riepl

Phone: +49 (0) 9421 187-302
Fax: +49 (0) 9421 187-285
Mail: herbert.riepl@hswt.de

Team Assistant

Roswitha Karl

Phone: +49 (0) 9421 187-221
Fax: +49 (0) 9421 187-285
Mail: roswitha.karl@hswt.de