M.Sc. Graduations

Karola Gurrath, M.Sc.

Karola Gurrath studied Chemical and Biological Engineering at the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU). From January to July 2017, she worked on her Master thesis in the ARS group, studying phase equilibria and gathering p-T-x data at diesel engine conditions in a micro-capillary setup.


Yiting Lou, M.Sc.

From March to October 2016 Yiting Lou worked at the ARS laboratory on her Master thesis. Her subject was to determine inhomogeneities during the mixing process in high-preassure sprays/jets. These jets occur in the Supercritical AntiSolvent (SAS) Process where a organic solvent is injected in supercritical carbon dioxide. During her thesis she characterized the mixing behaviour of different solvents and solvent mixtures by variing the pressure. With the thesis she finished her "Mechanical Engineering" studies at the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU).

 

Leonhard Fehr, M.Sc.

Leonhard Fehr studied "Mechanical Engineering" at the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU). After he had finished his project thesis at the ARS laboratory in December 2015, he stayed in the workgroup and worked on his Master Thesis until June 2016. His task was the testing of a laser based measurement technique for the online monitoring of the high pressure extraction of natural compounds.

 

Monika Brack, M.Sc.

 

Monika Brack studied Energy Technologies at the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU). She completed her Master thesis at the ARS laboratory in June 2016. The topic of her thesis was the determination of the amount of gas hydrates in macroscopically one and two phase water-CO2-additive mixtures. 

 

Marianne Gaim, M.Sc.

Marianne Gaim studied Chemical and Biological Engineering at the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU). From May 2015 till August 2015 she has worked as a student researcher at the ARS laboratory. The subject of her master thesis was "Raman-spectroscopic analysis of surfactant-free "Microemulsions" in microchips under high pressure". This she successfully completed in April 2016.

 

Eduard Gebhard, M.Sc.

From May to December 2015 Eduard Gebhard worked at the ARS laboratory on his Master thesis. His subject was to build up a new plant and investigate the microturbulances of different solvent sprays in the SAS process by evaluating the raman signal of hydrogen bonds during the mixing between carbon dioxide and the solvent. He studied "Energy Engineering" at the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU).

 

Simon Forster, M.Sc.

Simon Forster studied "Energy Technology" at the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU). He finished his master thesis at the ARS lab in March 2016, performing Raman measurements in high pressure, high temperature ethanol injections in nitrogen, searching for micro-scale inhomogeneities during spray break-up and evaporation.

 

Leo Bahr, M.SC.

In December 2015 Leo Bahr completed his Master thesis in the ARS laboratory. His task was the construction of a high pressure Raman probe, which could be used for monitoring extraction processes. Afterwards he stayed at the ARS laboratory as a doctoral researcher.

 

Agnes Finckenstein, M.Sc.

Agnes Finckenstein studied Energy Technologies at the  Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU). She completed her Master thesis at the ARS laboratory in August 2015. Her subject was the influence of inhibitors on hydrogen bonds during gas hydrate (clathrate) formation. Her master thesis made a contribution to the manuscript:

C. C. Holzammer, A. Finckenstein, S. Will, A. Braeuer
How Sodium Chloride Salt Inhibits the Formation of CO2 Gas Hydrates
The Journal of Physical Chemistry B 120, 2452–2459 (2016)

 

Martin Ruehl, M.Sc.

Martin Ruehl was studying Mechanical Engineering at the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU). He has been actively involved in the ARS Laboratory as early as April 2014 while doing his Project work entitled "Strahlenverfolgung (Raytracing) für optische Messverfahren an Tropfen mit Brechungsindexgradienten". Afterwards, he continued at the ARS Laboratory pursuing his Master thesis entitled "Untersuchung der überkritischen Trocknung von Aerogelen mittels in situ Laserspektroskopie". This he successfully completed in May 2015.

His master thesis made a contribution to the journal publication

Jaypee Quiño, Martin Ruehl, Tobias Klima, Francisco Ruiz, Stefan Will, Andreas Braeuer, 
Supercritical drying of aerogel: In situ analysis of concentration profiles inside the gel and derivation of the effective binary diffusion coefficient using Raman spectroscopy, 
The Journal of Supercritical Fluids, Volume 108, February 2016, Pages 1-12

 

Kristian Weihs, M. Sc.

Kristian Weihs studied “Energy Technologies (main focus Process Engineering)” at the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU). Between November 2014 and April 2015 he worked at the ARS laboratory on his Master thesis. The topic of his research was the computation of thermodynamic phase equilibria for binary and ternary systems in LabVIEW as well as the determination of binary interaction parameters of experimentally obtained phase equilibria.

He contributed to one journal publication:

S.K. Luther, S. Stehle, K. Weihs, S.Will, A. Braeuer
Determination of vapor-liquid equilibrium data in microfluidic segmented flows at elevated pressures using Raman spectroscopy
Analytical Chemistry 87, 8165–8172 (2015)

Simon Stehle, M. Sc.

In February 2015 Simon Stehle completed his Master thesis at the LTT on "Investigation in phase equilibria and mass transport in multi-phase microcapillary flows at elevated pressure using phase selective raman spectroscopy". Since he has been working as a doctoral researcher at the LTT in the field of laser optical investigations in high pressure micro capillary flows.

His master thesis made a contribution to the journal publication:

S.K. Luther, S. Stehle, K. Weihs, S.Will, A. Braeuer,
Determination of vapor-liquid equilibrium data in microfluidic segmented flows at elevated pressures using Raman spectroscopy,
Analytical Chemistry 87, 8165–8172 (2015)


Philipp Siegler, M.Sc.

In October 2014, Philipp Siegler completed his Master thesis entitled "Comprehensive thermodynamic characterization of water sprays using Raman spectroscopy". The research project was in cooperation with the Institute of Particle Technology (LFG, University of Erlangen).

His master thesis made a contribution to two journal publications:

J.J. Schuster, Ph. Siegler, A. Guenther, K.-E. Wirth, A. Braeuer
Simultaneous analysis of the dispersed liquid and the bulk gas phase of water sprays using Raman spectroscopy
Applied Spectroscopy 70, 1055-1062 (2016)

A. Günther, A. Braeuer, Ph. Siegler, B. Köninger, K.-E. Wirth
Temperature characteristics in a flash atomization process
Atomization and Sprays accepted (October 2015)

 

Tobias Klima, M. Sc.

Tobias Klima studied "Energy technologies" majoring in Process Engineering at the Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU). In October 2014, he completed his Master thesis entitled "Non-invasive investigations into mass transport processes in compressed multi-phase systems using linear Raman spectroscopy" at the LTT and ARS laboratory. After gaining additional research training at the LTT, he later on rejoined the ARS laboratory as a doctoral researcher in the field of micro-inhomogeneities.

His master thesis made a contribution to the journal publication

Jaypee Quiño, Martin Ruehl, Tobias Klima, Francisco Ruiz, Stefan Will, Andreas Braeuer,
Supercritical drying of aerogel: In situ analysis of concentration profiles inside the gel and derivation of the effective binary diffusion coefficient using Raman spectroscopy,
The Journal of Supercritical Fluids, Volume 108, February 2016, Pages 1-12

 

Medhanie T. Gebrekidan, M.Sc. Hons.

In September 2014, Medhanie Gebrekidan completed his Masters degree in Advanced Optical Technologies at the Friedrich-Alexander University of Erlangen-Nuremberg. He did his Master thesis at the ARS Laboratory entitled "Identification of oral squamous carcinoma using SERDS".  Currently, he is pursuing his doctoral studies at the ARS Laboratory on SERDS for process and biomedical diagnostics.

 

Yashar Khodaei, M.Sc.

 Yashar Khodaei’s research interest includes medical optics focusing on Raman based laser diagnosis, light tissue interaction, tissue optical properties. In September 2014, he completed his master thesis at the ARS, entitled “Improved design of a Raman-based optical sensor for the identification of oral cancer”.

 

Jennifer Fernàndez (Master Thesis)

Jennifer Fernàndez completed her Master thesis concerning the measurement of the solubility of different solutes in mixtures of solvents and supercritical CO2 via a high pressure viewing cell. The obtained data will be used to simulate and model the  SAS process. The project was in cooperation with the Institute of Process Machinery and Systems Engineering (iPAT). She was working on this topic on the basis of an Erasmus Learning Agreement and is originally from the Universidad de Valladolid (Spain).

 

Philipp Hackner, M.Sc.

Philipp Hackner was studying Mechanical Engineering at the Friedrich-Alexander-Universität Erlangen-Nuremberg. Between June 2013 and February 2014 he was working at the ARS laboratory on his Master thesis. The purpose of the research was to investigate the interaction of sessile drops and bubbles with their environment at supercritical conditions by spatially-resolved Raman spectroscopy.

 

Daniel Bassing, M.Sc.

In November 2013, Daniel Bassing completed his master thesis in the ARS laboratory entitled "Experimentelle Untersuchungen mittels elastischer und inelastischer Streulichtvorgänge zur Herstellung von Wirkstoff-Formulierungen im überkritischen Antisolvent Verfahren".

 

Bettina Romann, M.Sc.

In June 2013, Bettina Romann completed her Master thesis entitled "In situ Raman monitoring of the formation and growth of carbon nanotubes in a CCVD reactor". 

The results of her thesis contributed to the journal-publication:

K. Reinhold-Lopez, A. Braeuer, B. Romann, N. Popovska-Leipertz, A. Leipertz Simultaneous in situ Raman monitoring of the solid and gas phases during the formation and growth of carbon nanotubes inside a cold wall CCVD reactor CARBON 78, 164-180 (2014)

 

Julian Schuster, M.Sc.

Julian Schuster completed his Master thesis in the ARS laboratory on

"The use of microcapillaries for the optical investigation of mass transport phenomena in multiphase flows under high pressure"

in January 2013. Afterwards he continued his research on supercritical fluid technology in laser optical investigations in high pressure processes in the the ARS laboratory to go for a Dr.-Ing. degree.

His Master thesis made a contribution to two journal publications.

S.K. Luther, J.J. Schuster, A. Leipertz, A. Braeuer
Microfluidic investigation into mass transfer in compressible multi-phase systems composed of oil, water and carbon dioxide at elevated pressure
The Journal of Supercritical Fluids
84, 121-131 (2013)

S. K. Luther, J. J. Schuster, A. Leipertz, A. Braeuer
Non-invasive quantification of phase equilibria of ternary mixtures composed of carbon dioxide, organic solvent and water
The Journal of Supercritical Fluids
84, 146-154 (2013)

 

Jaypee Quino, M.Sc. Hons.

In April 2012 Jaypee Quino completed his Master thesis entiteled "Laser-based quantification of mass transport at supercritical conditions" in the ARS laboratory. With this he graduated the Master Programme in Advanced Optical Technologies offered at the Friedrich-Alexander Universität Erlangen-Nürnberg.

His master thesis made a contribution to the journal publication

A. Braeuer, O.S. Knauer, J. Quino, A. Leipertz
Quantification of the mass transport in a two phase binary system at elevated pressures applying Raman spectroscopy: pendant liquid solvent drop in a supercritical carbon dioxide environment

International Journal of Heat and Mass Transfer 62, 729-740 (2013)


Abdullah Bani Domi, M.Sc. hon.

In December 2011 Abdullah Bani Domi completed his Master thesis "Design and Characterisation of a Raman Based Online Sensor for Analysis of Tissue". With this he graduated the Master Programme in Advanced Optical Technologies (MAOT), which is offered at the Friedrich-Alexander Universität Erlangen-Nürnberg.

 

Karla Reinhold Lopez, M.Sc.

Karla Reinhold Lopez completed her M.Sc. thesis in the ARS laboratory on

"Laser optical analysis of mixture and particle formation in the supercritical antisolvent process"

in November, 2008. Afterwards she continued her activities in the ARS laboratory as a doctoral researcher in the field of analyzing the chemical vapor deposition of carbon nano tubes via optical diagnostics.

The contents of her M.Sc. thesis made a contribution to one journal publication:

  S. Dowy, K. Reinhold Lopez, A. Braeuer, A. Leipertz
In-situ Optical Monitoring of the effect of the solution concentration on Supercritical Particle Precipitation
The Journal of Supercritical Fluids 55, 282-291 (2010)


Ela Didem Ozcelik, M.Sc.

Ela Didem Ozcelik completed her M.Sc. thesis in the Process Diagnostics Group (before 2007 the ARS laboratory was called Process Diagnostics Group) on

"Potential of 2-D Raman scattering for the investigation of the hydrogen injection"

in July 2007.