“Characterization of Fatty Alcohol Alkoxylate Polymers with GCxGC(qMS) Using Chemical and Electron-impact Ionization”, M. Geissler, O. J. Schmitz, M. Wirtz, LCGC The Column, 17 (2010)

“Combination of chemical and electron-impact ionisation with GC×GC–qMS for characterization of fatty alcohol alkoxylate polymers in the low-molecular-weight range up to 700 Da”, R.Dück, V. Wulf, M. Geißler, H.-U. Baier, M. Wirtz, H.-W. Kling,S.Gäb, O. J. Schmitz, Anal Bioanal Chem, 396, 2273–2283 (2010)

“Quantitative Analysis of the Composition of Tea Tree Oil”, M. Geissler, L. Mondello D, Sciarrone, LCGC The Application Notebook, 2 (2010)

“Chiral Analysis of Flavours and Fragrances: Design of a FID/MS Splitting for MS Detection in The First and Second Dimension of a Multidimensional GC–MS System”, S. Böhme, H.-U. Baier, M. Geissler, LCGC The Column, 1 (2010)

“BTEX Determination in Gasoline Containing Ethanol by Single Oven MDGC“,  M. Geissler, Y. Hashi, J. Fan The Application Notebook, 1 (2010)

“Tracking Flavours in White Wine and Coffee Flavour Profiling of Food Samples with SPME-GC–MS and On-column Injection”, M. Geissler, R. Barcarolo, The Application Notebook, 3 (2009)

“Analyse komplexer Proben mit multidimensionaler (Heart-Cut) GC-GCMS und LC-GCMS”, M.Geißler, S.Böhme www.analytik-news.de, 11 (2008)

“GC- und GC-MS - Comprehensive GC (GCxGC) - Multidimensionale und „Comprehensive“ Chromatographie mit einem Quadrupol-MS”, M. Geißler, Labor & More, 3, (2008)

“Biodiesel Patterns Reflect Quality: Analysis According to DIN EN 14103” M. Geissler, LCGC The Column, 10 (2008)

“Hyphenation of aqueous liquid chromatography to pyrolysis- gas chromatography and mass spectrometry for the comprehensive characterization of water-soluble polymers”, E. R. Kaal, M. Kurano, M. Geissler, P. Schoenmakers, H.-G. Janssen, J. Chromatography A, 1186, 222-227 (2008)

“GC-MS analysis, antimicrobial activities and olfactory evaluation of essential Davana oil from India”, L. Jirovetz, S. Bail, G. Buchbauer, J.  Wanner, Z. Denkova, A. Stoyanova, A. Slavchev, E. Schmidt, M. Geissler, Natural Product Communications, 3, 1057-1062 (2008)

“Biodiesel Patterns Reflect Quality” , M. Geissler, LCGC The Application Notebook, 2 (2008)

“Chemical composition, olfactory evaluation and antimicrobial activities of Jasminum grandiflorum L. absolute form India”, L. Jirovetz, S. Bail, G. Buchbauer, T. Schweiger, Z. Denkova, A. Stoyanova, A. Slavchev, E. Schmidt, M. Geissler, Natural Product Communications, 2, 407-412 (2007)

“Antifugal acitvity of eugenol and variuos eugenol-containing essential oils against 38 clinical isolates of Candida albican”, L. Jirovetz, K. Wlcek, G. Buchbauer, V. Gochev, T. Girova,  A. Stoyanova, E. Schmidt, M. Geissler, Journal of Essential-Oil bearing Plants, 10, 421-429 (2007)

„On-line SEC-Py-GC-MS for the Automated Comprehensive Characterization of Copolymers”, E. R. Kaal, M. Kurano, M. Geissler, P. Schoenmakers, H.-G. Janssen, LCGC Asia Pacific, 4, 444-452 (2007)

“On-line size exclusion chromatography –pyrolysis-gas-chromatography –mass spectrometry for co-polymer characterization and additive analysis”, E. R. Kaal, G. Alkema, M. Kurano, M. Geissler, P. Schoenmakers, H.-G. Janssen, J. Chromatography A, 1143, 182-189 (2007)

„Analysis of Urine Organic Acids using Linear Retention Indices for the Determination of Metabolic Disorders”, M. Geissler, S. Kawana, K. Nakagawa, The Application Notebook, 1 (2007)

“Detecting Solvent Residues in Packaging Foils Using Headspace GC”, U. Servos, M. Geissler, LCGC The Column, 9 (2007)

„School's Out For Renovation? Fast and Effective Determination of PCBs in Indoor Air Using Thermodesorption and GC–MS Analysis”, U. Servos, F. Kramp, M. Geissler, The Application Notebook, 3 (2007)

“On-line SEC–Py-GC–MS for the Automated Comprehensive Characterization of Copolymers”, E. R. Kaal, M.Kurano, M. Geißler, P.Schoenmakers, H.-G.Janssen LCGC Asia Pacific, 12 (2007)

“Innovations in Food Analysis — Analysis of Peptides, Additives and Flavours”, M. Geissler, K. Hollebekkers,  LCGC The Application Notebook, 3 (2006)

“Chemical composition, antimicrobial activities and odor descriptions of some essential oils with characteristic floral-rosy scent and of their principal aroma compounds”, L. Jirovetz, E. Gernot G. Buchbauer, Z. Denkova, A. Stoyanova, R. Nikolova, E. Schmidt, M. Geissler, Recent Research developments in Agronomy and Horticulture, 2, 1-12 (2006)

“Antimicrobial testing, gas chromatographic analysis and olfactory evaluation of an essential oil of hop cones from Bavaria and some of its main compounds”, L. Jirovetz, S. Bail, G. Buchbauer, Z. Denkova, A. Stoyanova, A. Slavchev, E. Schmidt, M. Geissler, Scientia Pharmaceutica, 74, 189-201 (2006)

“Comparative investigations of antimicrobial activities and compositions of various aroma samples: a short review”, L. Jirovetz, G. Buchbauer, Z. Denkova, A. Stoyanova, I. Murgov, E. Schmidt, M. Geissler, Recent Progress in Medicinal Plants, 13, 461-484 (2006)

“Comparative study on the antimicrobial activities of different sandalwood essential oils of various origin”, L. Jirovetz, G. Buchbauer, Z. Denkova, A. Stoyanova, I. Murgov, V. Gearon, S. Birkbeck, E. Schmidt, M. Geissler,  Flavour and Fragrance Journal, 21, 465-468 (2006)

 “Composition and antioxidant activities of the essential oil of cinnamon leaves from Sri Lanka”, L. Jirovetz, G. Buchbauer, G. A. Eller,   Z. Denkova, I. Stoyvona, A. Krastanov, A. Stoyanova, , E. Schmidt, M. Geissler, J. Essential Oil-bearing Plants, 9, 170-183 (2006)

“Antimicrobial testings and gas chromatographic analysis of pure oxygenated monoterpernes in essential oils of pine, rosemary, tea tree”, L. Jirovetz, G. Buchbauer,   Z. Denkova, A. Stoyanova, I. Murgov, E. Schmidt, M. Geissler, Scientia Pharmaceutica, 73, 27-39 (2005)

“Antimicrobial testings and gas chromatographic analysis of aroma chemicals”, L. Jirovetz, G. Buchbauer,   Z. Denkova, A. Stoyanova, I. Murgov, E. Schmidt, M. Geissler, J. Essential Oil-bearing Plants , 8, 99-106 (2005)

“Elektro- und Elektronikschrott systematisch analysieren:
Die Bestimmung gefährlicher Substanzen nach WEEE und RoHS “, U. Oppermann, M. Egelkraut-Holtus, M. Geissler, J. Hesper,  CLB, 03, 97 (2005)

“WEEE und RoHS - Qualitative und quantitative Analyse von bromierten Flammschutzmitteln (PBB und PBDE) “, M. Geissler, GIT, 05, 394 (2005)

“Analyse von Lebensmittelverpackungen mit Double-Shot Pyrolyse-GCMS“ , M. Geissler, Labor Pro 4 Pro, 24  (2004)

“High Resolution Fast GCMS – Analysis of Pesticides in Food”, M. Geißler, LCGC The Applications Book, 1 (2004)

“Pulp aroma compounds of untreated, boiled and roasted African pear fruits from Cameroon by HS-SPME analysis coupled with GC-FID and GC/MS”, L. Jirovetz, G. Buchbauer, M. Ngassoum, M. Geissler, M. Parmentier, European Food Research and Technology, 218, 40-43 (2003)

“Analysis of the headspace aroma compounds of the seeds of Cameroonian "garlic plant" Hua gabonii using SPME/GC/FID, SPME/GC/MS and olfactometry”, L. Jirovetz., G. Buchbauer, M. Ngassoum, M. Geissler,  Europ. Food Research & Technol., 214, 212-215 (2002)

“Aroma Compound Analysis of Piper nigrum and Piper guineense Essential Oil from Cameroon using SPME-GC, SPME-GC-MS and Olfactometry“,”, L. Jirovetz., G. Buchbauer, M. Ngassoum, M. Geissler,  J. Chromatogr. A, 976, 265-275 (2002)

“Analysis of the Composition and Aroma of the Essential Leaf Oil of Szygium Tranvancoricum form South India by GC-FID, GC-MS and Olfactometry. Seasonal Changes of Composition”, L. Jirovetz, G. Buchhauer, P.M. Shafi, M.K. Rosamma, M. Geißler, Chromatographia Supplement, 53, 17 (2001)

“Analysis and season-depending Change of the Composition and Aroma of the Essential Leaf Oil of Syzygium travanoricum from South India using GC-FID, GC-MS and Olfactometry“,”, L. Jirovetz., G. Buchbauer, M. Shafi, M. Rosamma, M. Geissler, Chromatographia, 53, S372-S374 (2001)

“Direct Analysis of Additives in Polymeric Materials by Pyrolysis-Gas Chromatography-Mass Spectrometry, T. Meyer-Dulheuer, M. Geißler, Kautschuk, Gummi, Kunststoffe, 10, 574 (2000)

“40 Years Shimadzu GC, an Overview about Recent Applications”, G. Braun, M. Geißler, H. Hohmann, in: Chromatography, O. Kaiser, R. E. Kaiser, H. Gunz, W. Günther (Hrsg.), InCOM Sonderband, Düsseldorf, 29 (1997)

“Pyrolysis GC-MS - Analysis of Additives in Plastics”, M. Geißler, Kunststoffe/plast europe (bilingual edition), 2, 194/21 (1997)

“The Interaction of SO_x and NO_y Species in Aqueous Solution: Photo and Metal Ion Catalysis”, R. van Eldik, M. Geißler, C. Brandt, V. Lepentsiotis  in: Heterogeneous and Liquid Phase Processes, P. Warneck (Ed.), Springer Verlag Heidelberg, 126  (1996)

“Determination of nitroaromatics from former munition plant sites", M. Geißler und A. Weimar, LaborPraxis, 3, 58 (1995) (in german)

“Analysis of nitroaromatics from former munition plant sites”, M. Geißler, B. Nickel, A. Paul, LaborPraxis, 11, 78 (1995) (in german)

“Structure elucidation of organic compounds”, M. Geißler, LaborPraxis, 12, 24 (1995) (in german)

“Product identification and kinetic data for the reaction of S(IV) with N(III) oxoacids in aqueous solution in the absence and presence of metal ions", M. Geißler and R. van Eldik, Polyhedron, 13, 2983 (1994)

“Determination of Polychlorinated Biphenyls with GC-MS", M. Geißler und A. Weimar, GIT Spezial Chromatographie, 14, 29 (1994) (in german)

“High Pressure Liquid Chromatography and Gas Chromatography as techniques for plastics analysis", H.W. Stuurman, M. Geißler, A. Weimar, A. Paul, B. Nickel, KGK Kautschuk, Gummi, Kunststoffe, 11, 812 (1994) (in german)

“Quantitation of 16 PAH´s according to EPA in waste water and soil samples", M. Geißler und Ariane Weimar, GIT Spezial Chromatographie, 13, 70 (1993) (in german)

“Water analysis with different analysis techniques", M. Geißler, H. Hohmann, H. W. Stuurman, A. Weimar, LaborPraxis, 12, 30 (1993) (in german)

“Development of a gradient ion-pair chromatographic procedure for the simultaneous detection of nitrogen-sulfur-oxides produced during the reaction of SOx and NOy in aqueous solution", M. Geißler and R. van Eldik, Analytical Chemistry, 64, 3004 (1992)

“Development of analytical procedures for the detection of nitrogen-sulfur-oxides produced during the reaction of SOx and NOy in aqueous solution", M. Geißler and R. van Eldik, in: Precipitation Scavenging and Atmosphere-Surface Exchange, Vol. 1, S.E. Schwartz, W.G.N. Slinn (Eds.), Hemisphere Publishing Corporation, Washington, Philadelphia, London, 189 (1991)

Abschlussarbeiten

B.Sc. im Studiengang Naturwissenschaftliche Forensik

SS 2016

Rita Müller  

Liquid Water Isotope Analyser (LWIA) and Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) as tools in Forensic Science for Authenticity and Provenance determination of Scottish Whisky

Ulrich Meincke

Optimisation and binding characterization of luminescent fingerprint powder

Patrick Abendschön

Spurenanalytik der Seltenerdelement mit Triple Quadrupol ICP-MS und Untersuchung ihres ökotoxikologischen Verhaltens

Maria Eichhorn

Simultane Bestimmung von flüssigen Substanzen in einem Bioraffinerieprozess mittels Ionenchromatographie

Jana Rupp

Assessing the Evidential Value of Colour and Wax Marker Analysis when interpreting Mixtures of Soil

Lea Hartmann

Bestimmung von Additiven und Polymeren im Bereich von 1000 Dalton mittels Gerpermeationschromatographie

SS2015

Claire Elisabeth Mackenzie

Development of analytical methodologies to determine tracers of human activity in waste-waters

Johanna Buss

The electrochemical detection of L-Tyrosine using Cyclic Voltammetry

WS 2014/2015

Franziska Raschick

Etablierung eines piezoelektrischen Mikrodosiersystems zur Herstellung von Referenzmaterialien

SS2014

Lana Brockhals

Investigation of the Impact of Decomposing Deer Carcasses on the Persistence of Fatty Acids in Soils over Time

Frank M. Hauser

Development of a New Latent Fingerprint Powder

Anne Bannwarth

The Differentiation of Packaging Tapes involved in Crime Scenes using Microscopy, Spectroscopy and Chromatographic Methods

Master Analytische Chemie und Qualitätssicherung

WS 2015/2016

Julia Klein

Entwicklung eines Analyseverfahrens zur Bestimmung von Verpackungsbestandteilen nach Migration aus Lebensmittelverpackungen

SS2015

Frank Sturm

Untersuchungen von Kraftstoffeinflüssen und Emissionen bei irregulären Verbrennungsphänomenen in 2- und 4-MIX-Motoren

Fabian Küllmer

Entwicklung und Validierung einer Analysenmethode zur Bestimmung von Goldnanopartikeln mittels Single Particle-ICP-MS

Angelika Thelen

Extraction and Analysis of Antioxidants from Rapeseed Pomace

WS 2014/2015

Silke Möllerfriedrich

Entwicklung einer GC-MS Methode zur Bestimmung der potentiellen K.O.-Mittel GHB, GBL, 1,4-BD und GVL sowie Trichlorethanol aus Getränken

SS 2014

Franziska Raschick

Etablierung eines piezoelektrischen Mikrodosiersystems zur Herstellung von Referenzmaterialien

Abschlussarbeiten in Kooperation (Betreuerin und Zweitgutachterin)

Studiengang MSc Water Science

Universität Duisburg-Essen

SS 2015

Stephen N. G. Nenwa

Characterisation of Phenolics in Grape Pomace using Direct Inlet APCI-TOF MS and LC/APCI-TOF MS

Studiengang MSc Instrumental Analytical Sciences

Robert Gordon University, Aberdeen, UK

WS 2014/2015

Samuel Ulonnam Nwogu-Ubani

Characterisation of Organic Materials from Grape Pomace using Direct Inlet APCI-TOF MS Technique