Publications by authors named "Sebastian Opitz"

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Universities of Applied Sciences.
Dieter Eibl, Martin Sievers, Regine Eibl, Martin Bachmann, Senta Walton, Sebastian E W Opitz

Chimia (Aarau)· March 2021

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Assessing High Performers in the Life Sciences: Characteristics of Exams Used at the International Biology Olympiad (IBO) and Their Implications for Life Science Education.
Sebastian Opitz, Ute Harms

CBE Life Sci Educ· December 2020

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Unravelling the potential of seaweeds from the Black Sea coast of Romania as bioactive compounds sources. Part I: Cystoseira barbata (Stackhouse) C. Agardh.
Adriana Trifan, Alexandru Vasincu, Simon Vlad Luca, Christiana Neophytou, Evelyn Wolfram, Sebastian E W Opitz

Food Chem Toxicol· December 2019

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Time-Resolved Gravimetric Method To Assess Degassing of Roasted Coffee.
Samo Smrke, Marco Wellinger, Tomonori Suzuki, Franz Balsiger, Sebastian E W Opitz

J Agric Food Chem· May 2018

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Is comfrey root more than toxic pyrrolizidine alkaloids? Salvianolic acids among antioxidant polyphenols in comfrey (Symphytum officinale L.) roots.
Adriana Trifan, Sebastian E W Opitz, Roland Josuran, Andreas Grubelnik, Nils Esslinger

Food Chem Toxicol· February 2018

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Understanding the Effects of Roasting on Antioxidant Components of Coffee Brews by Coupling On-line ABTS Assay to High Performance Size Exclusion Chromatography.
Sebastian E W Opitz, Bernard A Goodman, Marco Keller, Samo Smrke, Marco Wellinger

Phytochem Anal· March 2017

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Large fractions of CO2-fixing microorganisms in pristine limestone aquifers appear to be involved in the oxidation of reduced sulfur and nitrogen compounds.
Martina Herrmann, Anna Rusznyák, Denise M Akob, Isabel Schulze, Sebastian Opitz

Appl Environ Microbiol· April 2015

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Antioxidant Generation during Coffee Roasting: A Comparison and Interpretation from Three Complementary Assays.
Sebastian E W Opitz, Samo Smrke, Bernard A Goodman, Marco Keller, Stefan Schenker

Foods· November 2014

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Exploring the nitrogen ingestion of aphids--a new method using electrical penetration graph and (15)N labelling.
Franziska Kuhlmann, Sebastian E W Opitz, Erich Inselsbacher, Ulrika Ganeteg, Torgny Näsholm

PLoS One· October 2014

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Oxygen availability and distance to surface environments determine community composition and abundance of ammonia-oxidizing prokaroytes in two superimposed pristine limestone aquifers in the Hainich region, Germany.
Sebastian Opitz, Kirsten Küsel, Oliver Spott, Kai Uwe Totsche, Martina Herrmann

FEMS Microbiol Ecol· October 2014

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How does roasting affect the antioxidants of a coffee brew? Exploring the antioxidant capacity of coffee via on-line antioxidant assays coupled with size exclusion chromatography.
Samo Smrke, Sebastian E W Opitz, Irena Vovk, Chahan Yeretzian

Food Funct· July 2013

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Host shifts from Lamiales to Brassicaceae in the sawfly genus Athalia.
Sebastian E W Opitz, Jean-Luc Boevé, Zoltán Tamás Nagy, Gontran Sonet, Frank Koch

PLoS One· July 2012

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Desulfation followed by sulfation: metabolism of benzylglucosinolate in Athalia rosae (Hymenoptera: Tenthredinidae).
Sebastian E W Opitz, Andreas Mix, Inis B Winde, Caroline Müller

Chembiochem· May 2011

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Sequestration of glucosinolates and iridoid glucosides in sawfly species of the genus Athalia and their role in defense against ants.
Sebastian E W Opitz, Søren R Jensen, Caroline Müller

J Chem Ecol· February 2010

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