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Dr. Schober

2018

P. Neu, S. Schober, M. Mittelbach; Quantification of Phorbol Esters in Jathropha Curcas by HPLC-UV and HPLC-ToF-MS with Standard Addition Method. Europ. J. Lipid Sci. Technol., 2018, in press

 

S. Weiss, P. Neu, C. Ludwig, S. Schober, M. Mittelbach; Novel Method for Synthesis of Cholesteryl Glucosides starting from Disaccharides. Europ. J. Lipid Sci. Technol., 2018, in press

 

David Bolonio, Philipp M. Neu, Sigurd Schober, María-Jesús Garcia-Martinez, Martin Mittelbach, and Laureano Canoira; Fatty Acid Ethyl Esters from Animal Fat Using Supercritical Ethanol Process. Energy&Fuels (2018) 32, 490-49

 

2017

Heiden, Richard; Schober, Sigurd; Mittelbach, Martin; Bias and Imprecision in the Determination of Free Glycerin in Biodiesel: The Unexpected Role of Limitations in Solubility. J. Am. Oil Chem. Soc. (2017), 94, 285-299

Aline S. Muniz-Wypych, Mayara M. da Costa, Angelo R. S. Oliveira, Philipp M. Neu, Sigurd Schober, Martin Mittelbach, Luiz P. Ramos and Maria Aparecida F. César-Oliveira; Phenolic compounds obtained from alkyl oleates as additives to improve the oxidative stability of methyl rapeseed biodiesel. Eur. J. Lipid Sci. Technol. (2017) 119, 11

 

2016

O. Schröder, S. Schober, M. Mittelbach, B. Fey, J. Bünger, Deog-Keun Kim, Jin-Suk Lee, Joon-Pyo Lee, J. Krahl; Biofuels from non-food feed stocks, preparation, fuel properties and engine emissions. Fuels Joint Research Group, Band 16 (2016); Cuvillier Verlag Göttingen

 

A. Studentschnig, T. Telser, S. Schober, M. Mittelbach; Hydrotreating of non-food feedstocks over Raney nickel for the production of synthetic diesel fuel; Biofuels: Pages ahead of print

 

2015

P.Hidalgo, G. Ciudad, S. Schober, M. Mittelbach, R. Navia; Biodiesel synthesis by direct transesterification of microalga Botryococcus braunii with continuous methanol reflux; Biores. Technol. 181 (2015) 32–39

 

P.Hidalgo, G. Ciudad, S. Schober, M. Mittelbach, R. Navia; Improving the FAME Yield of in Situ Transesterification from Microalgal Biomass through Particle Size Reduction and Cosolvent Incorporation; Energy Fuels (2015) 29 (2) pp 823-832

 

2014

 Flitsch, Stephanie; Neu, Philipp Marco; Schober, Sigurd; Mittelbach, Martin; Quantitation of Aging Products Formed in Biodiesel during Rancimat Accelerated Oxidation Test. Energy & Fuels (2014), 28(9), 5849-5856.


Hidalgo, Pamela; Toro, Claudio; Ciudad, Gustavo; Schober, Sigurd; Mittelbach, Martin; Navia, Rodrigo; Evaluation of Different Operational Strategies for Biodiesel Production by Direct Transesterification of Microbial Biomass. Energy & Fuels (2014), 28(6), 3814-3820.

 

 Koller, Martin; Salerno, Anna; Strohmeier, Katharina; Schober, Sigurd; Mittelbach, Martin; Illieva, Vassilka; Chiellini, Emo; Braunegg, Gerhart; Novel Precursors for Production of 3-Hydroxyvalerate-Containing Poly[(R)-hydroxyalkanoate]s. Biocatalysis and Biotransformation (2014), 32(3), 161-167.

 

Strohmeier, Katharina; Schober, Sigurd; Mittelbach, Martin; Solvent Assisted Fractionated Crystallization of Fatty Acid Alkyl Esters from Animal Fat. J. Am. Oil Chem. Soc. (2014), 91(7), 1217-1224.

 

Hirschegger, Lena; Schober, Sigurd; Mittelbach, Martin; Efficient and Sensitive Method for the Quantification of Saturated Monoacylglycerols in Biodiesel by Gas Chromatography-Mass Spectrometry. Eur. J. Lipid Sci. Technol. (2014), 116(1), 89-96.

 

2013

Studentschnig, Alexander; Schober Sigurd; Mittelbach Martin; Conversion of Crude Palm Oil into Hydrocarbons over Commercial Raney® Nickel. Energy & Fuels (2013), 27(12), 7480-7484.

 

 

Schroeck, Andrea Maria; Schober, Sigurd; Mittelbach, Martin; Highly active biocatalyst for transesterification: Cross linked enzyme aggregates of Thermomyces lanuginosus and Candida antarctica B. Eur. J. Lipid Sci. Technol. (2013), 115, 1164-1172.

 

Vrana Spoljaric, Ivna; Lopar, Markan; Koller, Martin; Muhr, Alexander; Salerno, Anna; Reiterer, Angelika; Malli, Karin; Angerer, Hannes; Strohmeier, Katharina; Schober, Sigurd; et al. Mathematical modeling of poly[(R)-3-hydroxyalkanoate] synthesis by Cupriavidus necator DSM 545 on substrates stemming from biodiesel production. Bioresource Technology (2013), 133, 482-494.

 

Muhr, Alexander; Rechberger, Eva Maria; Salerno, Anna; Reiterer, Angelika; Schiller, Margaretha; Kwiecien, Michal; Adamus, Grazyna; Kowalczuk, Marek; Strohmeier, Katharina; Schober, Sigurd; et al. Biodegradable latexes from animal-derived waste: Biosynthesis and characterization of mcl-PHA accumulated by Ps. citronellolis. Reactive & Functional Polymers (2013), 73(10), 1391-1398.

 

Muhr, Alexander; Rechberger, Eva Maria; Salerno, Anna; Reiterer, Angelika; Malli, Karin; Strohmeier, Katharina; Schober, Sigurd; Mittelbach, Martin; Koller, Martin; Novel Description of mcl-PHA Biosynthesis by Pseudomonas chlororaphis from Animal-Derived Waste. Journal of Biotechnology (2013), 165(1), 45-51.

 

2012

 Pieber, Simone; Schober, Sigurd; Mittelbach, Martin; Pressurized fluid extraction of polyunsaturated fatty acids from the microalga Nannochloropsis oculata. Biomass and Bioenergy (2012), 47, 474-482.

 

 

Koller, Martin; Salerno, Anna; Tuffner, Philipp; Koinigg, Michael; Boechzelt, Herbert; Schober, Sigurd; Pieber, Simone; Schnitzer, Hans; Mittelbach, Martin; Braunegg, Gerhart; Characteristics and potential of micro algal cultivation strategies: a review. Journal of Cleaner Production (2012), 37, 377-388.

 

 

2011

 Koller, Martin; Salerno, Anna; Tuffner, Philipp; Koinigg, Michael; Boechzelt, Herbert; Schober, Sigurd; Schnitzer, Hans; Mittelbach, Martin; Braunegg, Gerhart , Efficient implementation of micro-algae for sustainable environmental and economic developmentCurrent Topics in Biotechnology (2011), 6, 71-82.

 

2010

 Schober, Sigurd; Wolf, Melanie; Mittelbach, Martin; Distillation Characteristics of Fatty Acid Ethyl Esters. Energy & Fuels, (2010), 24, 6693–6695.

 

 

Pieber, Bartholomaeus; Schober, Sigurd; Goebl, Christoph; Mittelbach, Martin; Novel sensitive determination of sterylglycosides in biodiesel by gas chromatography–mass spectroscopy. Journal of Chromatography A, (2010), 1217, 6555–6561.

 

C. Bachler, S. Schober, M. Mittelbach; Simulated Distillation for Biofuel Analysis: Energy & Fuels. (2010), 24, 2086-2090.

 

2009

 S. Schober, I. Seidl, A. Meinitzer, M. Mittelbach; A Method for the Determination of Polyunsaturated Fatty Acid Methyl Esters in Biodiesel: Eur. J. Lipid Sci. Technol. (2009), 111, 829-834.

 

 

 

2008

 J. Geuens, J. Kremsner, B. Nebel, S. Schober, R. Dommisse, M. Mittelbach, S. Tavernier, O. Kappe, B. Maes; Microwave-assisted Catalyst-Free Transesterification of Triglycerides with 1-Butanol under Supercritical Conditions: Energy & Fuels. (2008), 22, 643-645.

 

 

Giannakopoulou, K., Lukas, M., Schober, S., Mittelbach, M., Slawitsch, B., Boechzelt, H., Brunner, C. & Schnitzer, H. Low pressure, catalytic depolymerization of biogenic feedstock. Conf. proceed. 16th Biomass Conf. and Exhibition, June 2008, Valencia, Spain.

 

  

Giannakopoulou, K., Lukas, M., Schober, S., Mittelbach, M., Slawitsch, B., Boechzelt, H., Brunner, C. & Schnitzer, H.; Development of a Low Pressure, Catalytic, Direct Liquefaction Process for the Conversion of Biogenic Materials into Liquid Fuels. Conf. Proceed. Advances in Energy Studies, June 2008, Graz, Austria.

 

 2007

 S. Schober, M. Mittelbach; Iodine Value and Biodiesel: Is Limitation Still Appropriate? Lipid Technology, (2007), 19, 281-284.

 

A. Fröhlich, S. Schober; The Influence of Tocopherols on the Oxidation Stability of Methyl Esters: J. Am. Oil Chem. Soc. 84, (2007) 579-585

 

 

EN 15779:2008 - Determination of polyunsaturated (>=4 double bonds) fatty acid methyl esters (PUFA) by gas chromatography.

 

2006

 S. Schober, I. Seidl, M. Mittelbach; Ester Content Evaluation in Biodiesel from Animal Fats and Lauric Oils: Eur. J. Lipid Sci. Technol. (2006), 108, 309-314.

 

 

S. Schober; Biodiesel from Wastes and Perspectives: Proceedings, European Summer School Bologna, Italy 2006, Editors F. Fava, P. Canepa, University of Bologna, ISBN: 88-88214-18-6

 

2005

 S. Schober, M. Mittelbach; Influence of Diesel Particulate Filter Additives on Biodiesel Quality: Eur. J. Lipid Sci. Technol. (2005), 107, 268-271.

 

 

 2004

 S. Schober, M. Mittelbach; The Impact of Antioxidants on Biodiesel Oxidation Stability: Eur. J. Lipid Sci. Technol. (2004), 106, 382-389.

 

 

 2003

 S. Schober, M. Mittelbach; Antioxidants In: Stability of Biodiesel – Used as a Fuel for Diesel Engines and Heating Systems. Presentation of the BIOSTAB Project Results: Proceedings, Graz July 3rd (2003), Editor BLT Wieselburg, Austria, ISBN 3-902451-00-9.

 

 M. Mittelbach, S. Schober; The Influence of Antioxidants on the Oxidation Stability of Biodiesel: J. Am. Oil Chem. Soc. (2003), 80, 817-823.

 

 

 

 

 

 

 

 

 

 

 

Kontakt

Institut für Chemie; Karl-Franzens-Universität Graz A-8010 Graz; Heinrichstrasse 28
Dr. Sigurd Schober Telefon:+43 (0)316 380 - ++43 (0)316 380 5327
Fax:+43 (0)316 380 - Fax.: ++43 (0) 316 380 9840

Mo.; Di. 9:00 bis 10:00 Uhr

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