CV

Jörg C. Woehl

Department of Chemistry & Biochemistry
University of Wisconsin-Milwaukee
3210 N Cramer St · Milwaukee, WI 53211
woehl@uwm.edu · Ph: 414-229-5223 · Fax: 414-229-5530

Profile

  • Development of novel, microscopic techniques for the trapping and manipulation of single molecules and nanoparticles in solution
  • High-resolution laser spectroscopy (single molecule spectroscopy, hole-burning spectroscopy at liquid helium temperatures)
  • Widefield, confocal scanning, and near-field scanning optical imaging of single molecules and related nanoparticles on surfaces
  • Theory of near-field intensity distributions of aperture probes and of point spread functions of far-field microscopes

Education

  • Ph.D. (Chemistry), University of California at Riverside, 1996
    Thesis Advisor: Bryan E. Kohler (†1997)
    Title: “Measuring Internal Electrostatic Fields and Potentials at Molecular and Atomic Resolution using Hole Burning Spectroscopy”
  • Vordiplom (Chemistry), Eberhard Karls University of Tübingen, Germany, 1990 (equiv. B.Sc.)

Positions

Since 08/10
Associate Professor
University of Wisconsin-Milwaukee, Department of Chemistry and Biochemistry, Milwaukee, WI.
09/04-08/10
Assistant Professor
University of Wisconsin-Milwaukee, Department of Chemistry and Biochemistry, Milwaukee, WI.
11/01-08/04
Maître de Conférences Titularisé (tenured Associate Professor)
Université Joseph Fourier Grenoble, Laboratoire de Spectrométrie Physique (LSP), Saint-Martin-d’Hères, France.
11/99-10/01
Maître de Conférences Stagiaire (tenure-track Assistant Professor)
Université Joseph Fourier Grenoble, Laboratoire de Spectrométrie Physique (LSP), Saint-Martin-d’Hères, France.
04/99-10/99
Postdoctoral Research Fellow of the Centre National de la Recherche Scientifique (CNRS; National Center for Scientific Research), France
Research supervisor: Serge Huant
Université Joseph Fourier Grenoble, Laboratoire de Spectrométrie Physique (LSP), Saint-Martin-d’Hères, France.
10/96-03/99
Postdoctoral Research Associate
Research supervisor: Michel Orrit
Université Bordeaux 1, Centre de Physique Moléculaire Optique et Hertzienne (CPMOH), Talence, France.

Experience

University of Wisconsin-Milwaukee, 2004 – date
Associate Professor, Physical Chemistry (2010 – date)
Assistant Professor, Physical Chemistry (2004 – 2010)
    • Experimental and theoretical investigation of nanoscale optical imaging and manipulation of single molecules in solution
    • Determination of molecular electric fields at the active site of proteins
    • Development of novel near-field optical probes
    • Calculation of point spread functions in far-field optical microscopy
    • Teaching:
      • Science Bag: “Chasing the Light: Mirages, Illusions, and the Human Eye” (March 2012).
      • Chem 194: First-Year Seminar; Seminar (U, 3 cr.); 2015/2016.
      • Chem 223: Elementary Quantitative Analysis; Lecture and Lab (U/G, 4 cr); 2006-2007.
      • Chem 561: Physical Chemistry I (Chemical Thermodynamics); Lecture (U/G, 3 cr); 2004/2005, 2005/2006, 2006/2007, 2007/2008, 2008/2009, 2009/2010, 2010/2011, 2013/2014, 2014/2015, 2015/2016, 2016/2017, 2018/2019.
      • Chem 562: Physical Chemistry II (Kinetics, Statistical Mechanics, Quantum Chemistry); Lecture (U/G, 3 cr); 2010/2011, 2017/2018, 2018/2019, 2019/2020.
      • Chem 563: Physical Chemistry Laboratory; Lab (U; 2 cr.); 2014/2015.
      • Chem 584: Advanced Chemistry Laboratory II; Lab (U; 2 cr); 2009/2010.
      • Chem 662: Chemical Kinetics and Dynamics; Lecture (U/G, 3 cr); 2005/2006, 2006/2007, 2007/2008, 2009/2010, 2010/2011, 2011/2012, 2012/2013, 2014/2015, 2016/2017, 2017/2018, 2018/2019.
      • Chem 762: Topics in Physical Chemistry: Laser Spectroscopy (G, 3 cr); 2008/2009, 2016/2017.
      • Chem 765: Statistical Thermodynamics (G, 3 cr.); 2013/2-2014, 2015/2016, 2019/2020.
      • Chem 900: Chemistry Colloquium; 2006/2007, 2007/2008.
Université Joseph Fourier Grenoble (France), 1999 – 2004
Maître de Conférences, Laboratoire de Spectrométrie Physique
  • Near-field scanning optical microscopy of II-VI quantum dots at l-He temperature
  • Confocal scanning optical microscopy of single molecules at room temperature and l-He temperature
  • Teaching:
    • Classical Mechanics; Lecture, Lab, and Discussion (U); 2000/2001, 2001/2002, 2002/2003.
    • Electrostatics, Magnetostatics, and Electrodynamics; Lecture, Lab, and Discussion (U); 1999/2000, 2000/2001, 2001/2002, 2002/2003.
    • Geometrical Optics; Lab and Discussion (U); 2003/2004.
    • Electrodynamics: Electric and Magnetic Properties of Matter; Discussion (G); 2003/2004.
    • Electrodynamics: Wave Optics; Lab and Discussion (G); 2003/2004.
    • Nanosciences and Single Molecules; Lecture (G); 2003/2004.
Université Bordeaux 1 (France), 1996 – 1999
Postdoctoral Research Associate with Michel Orrit, Centre de Physique Moléculaire Optique et Hertzienne
  • Single molecule spectroscopy in the optical near-field
  • Electric field effect measurements on single molecule lines

Funding History

“Electrically induced trapping and separation of single molecules and nanoparticles”, UWM Graduate School Research Growth Initiative, 07/01/17 – 05/31/19, $129,664, PI
“PSF Lab: A computational laboratory for the modeling of optical point spread functions”, UWM Research and Creative Activities Support, 07/01/15 – 12/31/16, $12,662, PI
 “Prototyping Platform for Accelerated Chemical Analysis and Drug Discovery at the Single Molecule Level”, Translational Grant, SE Wisconsin Applied Chemistry Center of Excellence, 05/01/14 – 06/30/15, $100,000, PI
“Microfluidic corral trap arrays for molecular analysis”, UW-Madison/UW-Milwaukee Intercampus Research Grants Program, 07/01/12 – 06/30/2013, $50,000, PI
“Corral Trapping of Single Molecules in Solution: Theory and Applications”, UWM Graduate School Research Growth Initiative, 07/01/12 – 10/31/14, $152,223, PI
“Measurement of Electric Fields at Protein Active Sites: Towards Probing Electrostatic Structure – Function Relationships”, UWM Graduate School Research Growth Initiative, 07/01/12 – 06/30/13, $231,073, Co-PI
“Development of a single molecule analyzer for genetic profiling”, UWM Research Foundation Catalyst Grant, 07/01/10 – 06/30/2012, $70,000, PI
“Measuring molecular electric fields at the active site of a protein using single molecule and hole-burning techniques”, National Science Foundation, Structure and Reactivity Program, 09/01/09 – 08/31/12, $522,800, Co-PI
“Development of Instrumentation for Single Molecule Trapping and Spectroscopy for Chemistry Research”, National Science Foundation, Chemistry Research Instrumentation and Facilities Program (CRIF-ID: Instrument Development), 09/01/2008 – 08/31/2012, $320,944, PI
“Measuring Molecular Electric Fields at the Active Sites of Proteins: Development of High Resolution Single Molecule and Hole-Burning Techniques”, UWM Graduate School Research Growth Initiative, 07/01/08 – 12/31/09, $180,700, PI
 “Development of Next Generation Aperture Probes for High Resolution Optical Microscopy in Biological and Material Sciences”, UWM Research Foundation, MiTAG, 07/01/07 – 06/30/09, $50,000, PI
“MRI: Acquisition of a High-Resolution Scanning Electron Microscope for an Interdisciplinary, Multi-User Facility Serving Life, Physical, and Materials Sciences”, National Science Foundation, 09/01/07 – 08/31/10, $603,617, Co-PI
“Development of novel, high performance fiber probes for the optical imaging of single molecules on surfaces”, UWM Graduate School Research Committee Award, 07/01/05 – 06/30/06, $14,833, PI
“Electron Transport and Electronic Structure of Single Molecule Bridges”, Volkswagen Foundation Germany, 07/01/00 – 06/30/03, €72,961, Co-PI

Patent Applications and Invention Disclosures

W.-J. Chang, T. J. Kwak, and J. C. Woehl
“Dielectrophoretic chromatography system for rapid separation of bioparticles”. IP-1587, submitted on January 28, 2018.
W.-J. Chang, T. J. Kwak, H. Lee, and J. C. Woehl,
“Single particle manipulation system using dielectrophoresis (DEP) trap and DC-offset for quantitation of cell motility”, IP-1537, submitted on February 22, 2017
J. H. Aldstadt, P. Geissinger, J. C. Woehl, B. A. Ruddy and J. A. Frost
“Variable Path Length Photon Trapping Spectrometer”, U.S. Patent No. 9,013,700 B2 filed by the UWM Research Foundation, issued on April 21, 2015.
C. A. Carlson and J. C. Woehl
“Nanoparticle electrostatic trap”, U.S. Patent No. 8,465,967 filed by the UWM Research Foundation, issued on June 18, 2013.
C. A. Carlson and J. C. Woehl
“Methods for Formation of Optical Fiber Tips for Use in Near Field Scanning Optical Microscopy”, Provisional Patent 60/956,138 filed by the UWM Research Foundation in August 2007.
M. J. Nasse and J. C. Woehl
“Software to calculate accurate illumination, detection and total point spread functions for polarization microscopy using conventional/widefield and confocal microscopes, explicitly taking into account spherical aberrations”, Copyrighted by the UWM Research Foundation in April 2010.

Honors and Awards

2015 “Faculty of the Year” Award, Graduate Student Council of the Department of Chemistry and Biochemistry, University of Wisconsin- Milwaukee.
2012 Wisconsin Research Fellow, University of Wisconsin Libraries.
2011 Wisconsin Research Fellow, University of Wisconsin Libraries.
2009 Graduate School/UWM Foundation Research Award, University of Wisconsin- Milwaukee.
2009 Graduate School Research Fellow, Graduate School, University of Wisconsin- Milwaukee.
2004 Member of the Scientific Organizing Committee of the 36th International Chemistry Olympiad in Kiel, Germany.
2002-2004 PEDR Award for Scientific Research (Prime d’Encadrement Doctoral et de Recherche) of the Ministère de l’Education Nationale, de l’Enseignement Supérieur et de Recherche (MENRT; Ministry of National Education, Higher Education and Research), France.
1998-1999 Postdoctoral Research Fellow of the Centre National de la Recherche Scientifique (CNRS; National Center for Scientific Research), France.
1997-1998 Postdoctoral Research Fellow of the German Academic Exchange Service (DAAD; Deutscher Akademischer Austauschdienst, Postdoc Program), Germany.
1996-1997 Postdoctoral Research Fellow of the “European Network on Single Molecule Spectroscopy”, France.
1996 Scholarship of the Western Spectroscopy Association (WSA), University of California at Riverside.
1995 Nomination as Outstanding Graduate Student of the University of California at Riverside.
1988-1994 Scholarship Award of the German National Merit Foundation (Studienstiftung des deutschen Volkes), awarded to the top 0.25% of all German undergraduate and graduate students.
1993 Research Award of the Society for Advancement of Materials and Process Engineering (SAMPE), University of California at Riverside.
1991-1992 “Foreign Studies Program” Fellow of the German National Merit Foundation (Studienstiftung des deutschen Volkes), Germany.
1991-1992 Fulbright Fellow of the German-American Fulbright-Hays Exchange Program, University of California at Riverside.
1991 Vordiplom with highest possible grade (equiv. GPA 4.0) from the University of Tübingen, Germany.
1987 Gold Medalist and winner 1st place among 108 participants from 27 countries at the 19th International Chemistry Olympiad in Veszprém and Budapest, Hungary.
1987 Selected into the German Delegation (4 students selected from a nationwide multilevel competition) to the 19th International Chemistry Olympiad in Veszprém and Budapest, Hungary.
1987 Graduated with highest possible grade (equiv. GPA 4.0) and best score of all graduating students from the Markgrafen-Gymnasium Durlach, Germany.

Presentations

Invited talks

J. C. Woehl
 “Imaging and manipulation of single molecules and nanoparticles in solution”
Eastern Oregon University, La Grande, OR, 2018
J. C. Woehl
 “Trapping Single Molecules and Nanoparticles in Solution: Experiment and Theory”
University of Wisconsin-Milwaukee, Applied and Computational Mathematics, Milwaukee, WI, 2014
J. C. Woehl
“”Catch, hold, release”: Corral trapping of nanoscale objects in free solution”
University of Minnesota Twin Cities, Department of Physics, Minneapolis, MN, 2012
C. A. Carlson and J. C. Woehl
“Corral trap confinement and manipulation of single molecules”
SPIE Photonics West, San Francisco, CA, 2011
J. C. Woehl
“’Catch, Hold, and Release’: Controlled Manipulation of Single Molecules in Solution”
Beloit College, Beloit, WI, 2010
P. Geissinger and J. C. Woehl
“Development of Methods for Measurement of Electric Fields at Protein Actives Sites and Elucidation of their Contribution to Protein Function”
University of Canterbury, Christchurch (New Zealand), 2010
P. Geissinger and J. C. Woehl
“Elucidating the Contribution of Molecular Electric Fields at Protein Actives Sites to Protein Function: Development of Methods for Measurement of Protein Electric Fields”
Biennial Australia/New Zealand Humboldt Conference, University of Otago, Dunedin (New Zealand), 2010
J. C. Woehl
“Imaging and trapping of single molecules”
University of Wisconsin-Whitewater, Whitewater, WI, 2009
J. C. Woehl
“Innovative tools for imaging individual molecules”
First Look Forum – UWM Research Foundation
University of Wisconsin-Milwaukee, Milwaukee, WI, 2008
J. C. Woehl
“From Abbe to optical nanoscopy – and beyond”
University of Wisconsin-Oshkosh, Oshkosh, WI, 2008
J. C. Woehl
“Imaging of single nano-objects in the optical near- and far-field — and vice-versa”
University of Wisconsin-Milwaukee, Milwaukee, WI, 2004
J. C. Woehl
“Optical near-field imaging of single nano-objects”
University of California at Riverside, Riverside, CA, 2003
J. C. Woehl
“Detection and manipulation of luminescent nano-objects with an optical probe”
University of Marseille (France), 2003
M. Brun, A. Drezet, S. Huant, and J. C. Woehl
”Near-field scanning optical microscopy of single nano-objects”
Scanning Probe Microscopy 2003 (SPM’03), Nizhny Novgorod (Russia), 2003
J. C. Woehl
“Surpassing the classical limits: near-field scanning optical microscopy”
Commissariat à l’Energie Atomique (CEA), Grenoble (France), 2002
J. C. Woehl
“Imaging and spectroscopy of single molecules at nanometer spatial resolution”
University of Wisconsin-Milwaukee, Milwaukee, WI, 1999
B. E. Kohler and J. C. Woehl
“How the microscopic environment affects the spectroscopic properties of a probe molecule: octatetraene in Shpol’skii systems”
217th National Meeting of the American Chemical Society, Anaheim, CA, 1999
J. C. Woehl
“Molecular nanoprobes of electric fields”
Université Joseph Fourier Grenoble (France), 1998
J. C. Woehl
“New developments in single molecule spectroscopy and microscopy”
University of Chemnitz (Germany), 1998
J. C. Woehl
“Effects of electric fields and electrostatic potentials on the spectra of conjugated organic molecules”
University of Karlsruhe (Germany), 1997
B. E. Kohler and J. C. Woehl
“Measuring internal electric fields using hole burning spectroscopy: experiment and simulation”
University of Regensburg (Germany), 1994

Contributed talks

X. S. Udad, and J. C. Woehl
“Controlling and manipulating microscopic particles in solution using various electric field geometries”
American Chemical Society Great Lakes Regional Meeting 2019, Lisle, IL, 2019
C. A. Carlson, A. A. Patel, X. S. Udad, and J. C. Woehl
“Corral Trapping of Single Molecules in Electrolyte Solution: Theory and Experiment”
OSA Optics in the Life Sciences: Optical Trapping Applications (OTA), Waikoloa Beach, HI, 2013
J. C. Woehl
“”Catch, hold, release”: Corral trapping of single DNA molecules in buffer solution”
2012 Midwest LRIG (Laboratory Robotics Interest Group) Annual Meeting, Madison, WI, 2012
J. C. Woehl and C. A. Carlson
“The electrostatic corral: Trapping single DNA molecules in solution”
2011 OSA Optics and Photonics Congress, Monterey, CA, 2011
J. C. Woehl and C. A. Carlson
“Catch, hold, and release: Manipulating single DNA molecules in solution”
55th Annual Meeting of the Biophysical Society, Baltimore, MD, 2011
C. A. Carlson and J. C. Woehl
“Trapping single DNA molecules in solution”
SPIE Photonics West, San Francisco, CA, 2011
C. A. Carlson and J. C. Woehl
“’Catch, hold, and release’: Controlled manipulation of single molecules in free solution”
58th Annual Western Spectroscopy Association Conference, Pacific Grove, CA, 2011
C. A. Carlson and J. C. Woehl
“’Catch, hold, and release’: controlled manipulation of single molecules in solution”
70th Annual Physical Electronics Conference, Milwaukee, WI, 2010
C. A. Carlson and J. C. Woehl
“The corral trap: electrostatic trapping of single molecules in solution”
70th Annual Physical Electronics Conference, Milwaukee, WI, 2010
J. C. Woehl and C. A. Carlson
“The electrostatic corral: a new approach for nanoscale trapping of single molecules”
SPIE Photonics West, San Francisco, CA, 2010
C. A. Carlson and J. C. Woehl
“Trapping of single molecules – a novel technique”
38th Great Lakes Regional Meeting of the American Chemical Society, Chicago, IL, 2009
C. A. Carlson and J. C. Woehl
“Fabrication of photonic crystal optical tips for near-field scanning optical microscopy”
2007 Laboratory for Surface Studies Student Summer Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2007
P. Geissinger, M. R. DuPrey, I. J. Schwabacher, J. C. Woehl, and B. J. Prince
“Electric fields at protein active sites as determined by hole-burning Stark spectroscopy”
32nd Annual Meeting of the Federation of Analytical Chemistry and Spectroscopy Societies (FACSS) and 51st International Conference on Analytical Sciences and Spectroscopy (ICASS), Quebec City, QC (Canada), 2005
M. Brun, A. Drezet, S. Huant, J.-F. Motte, and J. C. Woehl
“Local and remote optical addressing of single nano-objects”
8th International Conference on Hole Burning, Single Molecule and Related Spectroscopies: Science and Applications (HBSM’03), Bozeman, MT, 2003
M. Brun, N. Chevalier, A. Drezet, S. Huant, J.-F. Motte, H. Mariette, M. Stark, F. Tinjod, and J. C. Woehl
“Carrier-diffusion-limited remote optical addressing of single quantum dots”
11th International Conference on Modulated Semiconductor Structures (MSS11), Nara, Japan, 2003
J. C. Woehl
“Dynamics of single molecules in artificial membranes”
Colloquium “Fluorescence and Biology”, Université Joseph Fourier Grenoble (France), 2002
B. E. Kohler and J. C. Woehl
“Spectroscopic determination of molecular charge distributions: octatetraene in n-alkanes”
Pacific Conference on Analytical Chemistry and Spectroscopy of the Society for Applied Spectroscopy, Fullerton, CA, 1995
P. Geissinger, B. E. Kohler and J. C. Woehl
“Determination of the protonation state of protoporphyrin IX in myoglobin from the measured internal electric field”
Pacific Conference on Analytical Chemistry and Spectroscopy of the Society for Applied Spectroscopy, Fullerton, CA, 1995
G. Gradl, B. E. Kohler, C. Westerfield, and J. C. Woehl
“Probing internal electric fields via photochemical holeburning studies”
Pacific Conference on Chemistry and Spectroscopy and 29th Western Regional Meeting of the American Chemical Society, Pasadena, CA, 1993

Poster presentations

M. N. Hussain, X. S. Udad, E. Edwards, and J. C. Woehl
“Time-dependent Study of Near-field Scanning Optical Microscopy Probes Forged Chemically and its Surface Functionalized for Sensing Applications”
SciX 2019 (International Conference organized by the Federation of Analytical Chemistry and Spectroscopy Societies), Palm Springs, CA, 2019
Q. S. Owen, E. R. Johansen, X. S. Udad, and J. C. Woehl
“A Model for Finite Non-Equilibrium Electrolyte Solutions: Mapping the Electric Double Layer”
COMSOL Conference 2019 Boston, Boston, MA, 2019
M. N. Hussain and J. C. Woehl
“Simulating Chemical Etching of Optical Fiber to create NSOM Probe using COMSOL”
COMSOL Conference 2019 Boston, Boston, MA, 2019
Q. S. Owen, X. S. Udad, E. R. Johansen, and J. C. Woehl
“A Super-Resolution Map of Non-Equilibrium Electric Double Layers”
American Chemical Society Great Lakes Regional Meeting 2019, Lisle, IL, 2019
M. N. Hussain, X. S. Udad, E. Edwards, and J. C. Woehl
“Study of the Chemical Fabrication Process of NSOM Probes and the Modification of its Surface for Sensing Applications”
American Chemical Society Great Lakes Regional Meeting 2019, Lisle, IL, 2019
M. J. Nasse and J. C. Woehl
“Realistic vectorial modeling of the illumination and detection point spread functions for advanced image analysis and deconvolution”
SPIE Photonics West, San Francisco, CA, 2019
T. J. Kwak, J. C. Woehl, and W.-J. Chang,
“Dielectrophoretic particle trap: novel manipulation and analysis technique at the single particle level”
UWM CEAS Research Poster Competition, Milwaukee, WI, 2019
M. R. U. Rahman, T. J. Kwak, J. C. Woehl, and W.-J. Chang,
“Numerical study on the effect of dielectrophoretic single particle trap geometry”
UWM CEAS Research Poster Competition, Milwaukee, WI, 2019
3rd Place Graduate Award
Q. S. Owen, X. S. Udad, E. R. Johansen, and J. C. Woehl
“A Super-Resolution Map of Non-Equilibrium Electric Double Layers”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2019
Winner of the “Keith Hall Award for Excellence in Graduate Research—1st Place Poster”
M. N. Hussain, X. S. Udad, E. Edwards, and J. C. Woehl
“Study of the Chemical Fabrication Process of NSOM Probes and the Modification of its Surface for Sensing Applications”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2019
T. J. Kwak, J. C. Woehl, and W.-J. Chang,
“Dielectrophoretic particle trap: novel manipulation and analysis technique at the single particle level”
UWM CEAS Research Poster Competition, Milwaukee, WI, 2018
T. J. Kwak, J. C. Woehl, W.-J. Chang,
“Dielectrophoretic Corral Trap for Single Particle Trapping and Characterization Technique”
Biomedical Engineering Society (BMES) 2018, Atlanta, GA, 2018
J. C. Woehl
“Modeling the Electric Double Layer in Finite Electrolyte Solutions”
COMSOL Conference 2018 Boston, Boston, MA, 2018
Q. S. Owen, X. S. Udad, E. R. Johansen, and J. C. Woehl
“Towards a Super-Resolution Map of the Electric Double Layer”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2018
X. S. Udad, C. A. Carlson, and J. C. Woehl
“Electrokinetic trapping of particles with a corral trap that is implemented into a microfluidic system”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2018
M. N. Hussain, and J. C. Woehl
“Study of the Chemical Fabrication Process of NSOM Probe and the Modification of its Surface”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2018
T. J. Kwak, H. Lee, J. C. Woehl, and W.-J. Chang,
“Dielectrophoretic particle trap to characterize the properties of single particle”
2017 IEEE Great Lakes Biomedical Conference (GLBC), Milwaukee, WI, 2017
H. Lee, T. J. Kwak, J. C. Woehl, and W.-J. Chang,
“Numerical study of an array of dielectrophoretic traps to quantify physical properties of single particles”
2017 IEEE Great Lakes Biomedical Conference (GLBC), Milwaukee, WI, 2017
X. S. Udad, C. Carlson, and J. C. Woehl
“Corral trapping of nanoparticles in solution”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2017
Q. S. Owen, X. S. Udad, T. Bate, and J. C. Woehl
“Single Step Synthesis: Creating an Impermeable Polymer Channel”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2017
T. J. Kwak, H. Lee, J. C. Woehl, and W.-J. Chang,
“Single particle trapping and characterization using dielectrophoretic particle trap”
UWM CEAS Research Poster Competition, Milwaukee, WI, 2017
H. Lee, T. J. Kwak, J. C. Woehl, and W.-J. Chang,
“Numerical simulation of the force field distribution in an array of circular dielectrophoresis traps”
UWM CEAS Research Poster Competition, Milwaukee, WI, 2017
X. S. Udad, Q. S. Owen, R. Kellow, and J. C. Woehl
“Fabrication of a glass microfluidic flowcell for single particle tracking”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2016
C. A. Carlson, X. S. Udad, and J. C. Woehl
“Electrostatic trapping of micro- and nanoscale particles: theory and applications”
Gordon Research Conference “Physics & Chemistry of Microfluidics”, West Dover, VT, 2015
A. Francis, X. S. Udad, T. J. Kwak, R. Bergren, J. C. Woehl, W.-J. Chang, and I. Avdeev
“Novel molecular trapping technology and translational prototype development”
IEEE USA Annual Meeting 2015 & 36th Great Lakes Biomedical Conference, Milwaukee, WI, 2015
B. M. Moran, P. Geissinger, and J. C. Woehl
“A Capacitive Cell for the Assessment of Dielectric Permittivities”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2015
Q. S. Owen, C. A. Carlson, A. A. Patel, X. S. Udad, and J. C. Woehl
“Efficient Cleaning Methodology for the Removal of Superfluous Material on Polystyrene Microspheres”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2015
X. S. Udad, Q. S. Owen, A. A. Patel, C. A. Carlson, and J. C. Woehl
“Confining Charged Particles in Solution With An Electrical Field Generated By A Corral Trap”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2015
B. M. Moran, H. Wagie, P. Geissinger, and J. C. Woehl
“Assessing Intrinsic Active Site Electric Fields via Stark Deconvolution”
SciX 2014 (International Conference organized by the Federation of Analytical Chemistry and Spectroscopy Societies), Reno, NV, 2014
Winner of Second Place Conference Poster Award and Society for Applied Spectroscopy Poster Award
B. M. Moran, P. Geissinger, and J. C. Woehl
“Extending Confocal Laser Scanning Microscope Functionality: Spectral and Imaging Acquisition from Cryogenic to Ambient Temperature”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2014
A. Amin-Patel, C. A. Carlson, X. S. Udad, and J. C. Woehl
“Assembly of a Microfluidic Device for Electrostatic Trapping”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2014
X. S. Udad, A. A. Patel, C. A. Carlson, and J. C. Woehl
“Theoretical Electrokinetics and Possible Applications for Immobilized Charged Particles”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2014
Q. S. Owen, C. A. Carlson, A. A. Patel, X. S. Udad, and J. C. Woehl
“Immobilization and Isolation: Electrostatic Corral Trapping of ssDNA”
UWM Chemistry Research Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2014
B. M. Moran, P. Geissinger, and J. C. Woehl
“Modeling Cryogenic Heat Transfer for Predictive Thermal Regulation”
American Chemical Society – Southeast Wisconsin Younger Chemist Committee, Milwaukee, WI, 2013
T. S. Ababneh and J. C. Woehl
“Topographical Imaging with a Home-Built Near Field Scanning Optical Microscope”
American Chemical Society – Southeast Wisconsin Younger Chemist Committee, Milwaukee, WI, 2013
X. S. Udad, A. A. Patel, C. A. Carlson, and J. C. Woehl
“Immobilizing a DNA Molecule Within an Electrostatic Corral”
SciX 2013 (International Conference organized by the Federation of Analytical Chemistry and Spectroscopy Societies), Milwaukee, WI, 2013
B. M. Moran, P. Geissinger, and J. C. Woehl
“Modeling Heat Transfer through Multiple Interfaces of Differing Phase for Predictive Temperature Cycling Regulation”
SciX 2013 (International Conference organized by the Federation of Analytical Chemistry and Spectroscopy Societies), Milwaukee, WI, 2013
Winner of Third Place Conference Poster Award
T. S. Ababneh and J. C. Woehl
“Imaging of Nanoparticles and Nano-Structural Features Using a Home-built Near-field Scanning Optical Microscope”
SciX 2013 (International Conference organized by the Federation of Analytical Chemistry and Spectroscopy Societies), Milwaukee, WI, 2013
B. M. Moran, P. Geissinger, and J. C. Woehl
“Developing Cryogenic Temperature Hole Burning Stark Spectroscopy Temperature Cycling and Spectral Acquisition Software Platforms”
American Chemical Society Great Lakes Regional Meeting 2013, La Crosse, WI, 2013
X. S. Udad, A. A. Patel, C. A. Carlson, and J. C. Woehl
“Isolating a Single DNA Molecule Inside a Corral Trap”
American Chemical Society Great Lakes Regional Meeting 2013, La Crosse, WI, 2013
T. S. Ababneh and J. C. Woehl
“Design and implementation of a near-field scanning optical microscope”
American Chemical Society Great Lakes Regional Meeting 2013, La Crosse, WI, 2013
A. Amin, C. A. Carlson, X. S. Udad, and J. C. Woehl
“An integrated flowcell for single molecule trapping”
American Chemical Society Great Lakes Regional Meeting 2013, La Crosse, WI, 2013
B. M. Moran, P. Geissinger, and J. C. Woehl
“Developing Spectral and Temperature Cycling Acquisition Software for Cryogenic Hole Burning Stark Spectroscopy Studies”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2013
T. S. Ababneh and J. C. Woehl
“A Near-field Scanning Optical Module for Inverted Microscopes”
SciX 2012 (International Conference organized by the Federation of Analytical Chemistry and Spectroscopy Societies), Kansas City, MO, 2012
B. M. Moran, P. Geissinger, and J. C. Woehl
“Evaluating Optical Point Spread Function Fitting Methods”
SciX 2012 (International Conference organized by the Federation of Analytical Chemistry and Spectroscopy Societies), Kansas City, MO, 2012
X. S. Udad, A. A. Patel, C. A. Carlson, and J. C. Woehl
“Trapping a  Single DNA Molecule Within an Electrical Field”
SciX 2012 (International Conference organized by the Federation of Analytical Chemistry and Spectroscopy Societies), Kansas City, MO, 2012
A. A. Patel, C. A. Carlson, and J. C. Woehl
“Fabrication of an Integrated Microfluidic Device for Single Molecule Trapping”
SciX 2012 (International Conference organized by the Federation of Analytical Chemistry and Spectroscopy Societies), Kansas City, MO, 2012
B. M. Moran, P. Geissinger, and J. C. Woehl
“Characterizing Methods of Fit for Resolving Optical Point Spread Functions”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2012
A. A. Patel, C. A. Carlson, and J. C. Woehl
“An Integrated Microfluidic Device for Single Molecule Trapping”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2012
H. E. Wagie, B. M. Moran, J. C. Woehl, and P. Geissinger
“Porphyrins as Detectors of Internal Electric Field in Heme Proteins”
56th Annual Meeting of the Biophysical Society, San Diego, CA, 2012
B. Moran, Y. Hu, H. Wagie, P. Geissinger, and J. C. Woehl
“Development of a Cryogenic Temperature Confocal Laser Scanning Microscope for Investigating Molecular Electric Fields”
56th Annual Meeting of the Biophysical Society, San Diego, CA, 2012
B. M. Moran, Y. Hu, J. C. Woehl, and P. Geissinger
“Calibration and Imaging with Cryogenic Temperature Confocal Laser Scanning Microscope”
American Chemical Society – Southeast Wisconsin Younger Chemist Committee, Milwaukee, WI, 2011
H. E. Wagie, B. M. Moran, B. J. Prince, J. C. Woehl, and P. Geissinger
“Molecular Electric Field Determination in Large Proteins with Hole-Burning Spectroscopy”
FACSS 38 (International Conference organized by the Federation of Analytical Chemistry and Spectroscopy Societies), Reno, NV, 2011
B. M. Moran, Y. Hu, J. C. Woehl, and P. Geissinger
“Calibration and Imaging with Cryogenic Temperature Confocal Laser Scanning Microscope”
FACSS 38 (International Conference organized by the Federation of Analytical Chemistry and Spectroscopy Societies), Reno, NV, 2011
B. M. Moran, Y. Hu, J. C. Woehl, and P. Geissinger
“Initial Calibration and Imaging for Custom Low Temperature Confocal Laser Scanning Microscope”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2011
Y. Hu, B. Moran, H. Wagie, J. C. Woehl, and P. Geissinger
“Single molecule and hole-burning spectroscopies for the determination of molecular electric fields in proteins”
55th Annual Meeting of the Biophysical Society, Baltimore, MD, 2011
C. A. Carlson and J. C. Woehl
“The corral trap: Theory and software development”
58th Annual Western Spectroscopy Association Conference, Pacific Grove, CA, 2011
A. A. Patel, C. A. Carlson, and J. C. Woehl
“The electrostatic corral – Fabrication and characterization”
American Chemical Society – Southeast Wisconsin Younger Chemist Committee, Milwaukee, WI, 2010
C. A. Carlson and J. C. Woehl
“The corral trap: The electrostatic trapping of single molecules”
American Chemical Society – Southeast Wisconsin Younger Chemist Committee, Milwaukee, WI, 2010
T. S. Ababneh and J. C. Woehl
“Construction of a near-field optical module for a confocal microscope”
American Chemical Society – Southeast Wisconsin Younger Chemist Committee, Milwaukee, WI, 2010
Y. Hu, P. Geissinger, and J. C. Woehl
“The determination of molecular electric fields in proteins: A single molecule approach”
American Chemical Society – Southeast Wisconsin Younger Chemist Committee, Milwaukee, WI, 2010
T. S. Ababneh and J. C. Woehl
“Near-field optical microscope for ultra-high resolution imaging”
70th Annual Physical Electronics Conference, Milwaukee, WI, 2010
Y. Hu, P. Geissinger, and J. C. Woehl
“The determination of molecular electric fields in proteins: a single molecule approach”
70th Annual Physical Electronics Conference, Milwaukee, WI, 2010
Y. Hu, P. Geissinger, and J. C. Woehl
“A single molecule approach for the determination of molecular electric fields in proteins”
17th International Conference on Dynamical Processes in Excited States of Solids (DPC ’10), Argonne, IL, 2010
Best Poster Prize
C. A. Carlson and J. C. Woehl
“The corral trap: electrostatic trapping of single molecules in solution”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2010
T. Ababneh and J. C. Woehl
“Optical Imaging Beyond The Diffraction Limit”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2010
Y. Hu, P. Geissinger, and J. C. Woehl
“A method for the determination of molecular electric fields using a single molecule approach”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2010
C. A. Carlson and J. C. Woehl
“Trapping of molecular-sized objects: a novel approach”
Inaugural Meeting American Chemical Society – Southeast Wisconsin Younger Chemist Committee, Milwaukee, WI, 2009
Y. Hu, P. Geissinger, and J. C. Woehl
“Toward the quantitative determination of molecular electric fields in single proteins”
Inaugural Meeting American Chemical Society – Southeast Wisconsin Younger Chemist Committee, Milwaukee, WI, 2009
T. S. Ababneh and J. C. Woehl
“Viewing the world through nanometer eyes: Near-field optical microscopy for ultra-high resolution imaging”
2009 Laboratory for Surface Studies Student Summer Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2009
D. A. Brooks, C. A. Carlson, and J. C. Woehl
“Characterization of model systems for developing a single molecule trap”
2009 Laboratory for Surface Studies Student Summer Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2009
Y. Hu, P. Geissinger, and J. C. Woehl
“Toward the quantitative determination of molecular electric fields in single proteins”
2009 Laboratory for Surface Studies Student Summer Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2009
C. A. Carlson and J. C. Woehl
“Trapping of molecular-sized objects: A novel approach”
238th National Meeting of the American Chemical Society, Washington, DC, 2009
Y. Hu, P. Geissinger, and J. C. Woehl
“Toward the quantitative determination of molecular electric fields in single proteins”
238th National Meeting of the American Chemical Society, Washington, DC, 2009
C. A. Carlson and J. C. Woehl
“A new tool for nanoscale trapping of single molecules”
International Conference Seeing at the Nanoscale VII, Santa Barbara, CA, 2009
C. A. Carlson and J. C. Woehl
“Development of photonic crystal fiber optical tips”
International Conference Seeing at the Nanoscale VII, Santa Barbara, CA, 2009
Y. Hu and J. C. Woehl
“Single molecule spectroscopy of protoporphyrin IX”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2009
C. A. Carlson and J. C. Woehl
“Development of novel optical tips from photonic crystal fibers”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2009
D. A. Brooks, C. A. Carlson, and J. C. Woehl
“Characterization of model systems for developing a single molecule trap”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2009
D. A. Brooks, C. A. Carlson, and J. C. Woehl
“Characterizing the movement of single molecules in thin films for the development of a two-dimensional trap”
38th Great Lakes Regional Meeting of the American Chemical Society, Chicago, IL, 2009
C. A. Carlson and J. C. Woehl
“Development of novel optical tips from photonic crystal fibers”
38th Great Lakes Regional Meeting of the American Chemical Society, Chicago, IL, 2009
T. S. Ababneh and J. C. Woehl
“Development of a near-field optical microscope for fluorescence imaging at ultra-high optical resolution”
38th Great Lakes Regional Meeting of the American Chemical Society, Chicago, IL, 2009
Y. Hu and J. C. Woehl
“Single molecule spectroscopy of protoporphyrin IX”
38th Great Lakes Regional Meeting of the American Chemical Society, Chicago, IL, 2009
 D. A. Brooks, C. A. Carlson, and J. C. Woehl
“Characterization of model systems for developing a single molecule trap”
36th Annual Conference of the National Organization for the Professional Advancement of Black Chemist and Chemical Engineers, Saint Louis, MO, 2009
C. A. Carlson and J. C. Woehl
“Development of photonic crystal fiber optical tips for near-field imaging and single molecule manipulations”
235th National Meeting of the American Chemical Society, New Orleans, LA, 2008
J. J. Feng, C. A. Carlson, and J. C. Woehl
“Towards new techniques for trapping single molecules in phospholipid films”
235th National Meeting of the American Chemical Society, New Orleans, LA, 2008
C. A. Carlson, J. J. Feng, D. Brooks, and J. C. Woehl
“New advancements towards single molecule trapping and manipulation”
2008 Laboratory for Surface Studies Student Summer Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2008
T. S. Ababneh and J. C. Woehl
“Development of a near-field optical microscope for ultra-high resolution imaging”
2008 Laboratory for Surface Studies Student Summer Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2008
Y. Hu and J. C. Woehl
“Single molecule detection of protoporphyrin IX at room temperature”
2008 Laboratory for Surface Studies Student Summer Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2008
J. J. Feng, C. A. Carlson, and J. C. Woehl
“Fabrication of ultrathin monolayer films for single molecule manipulation”
Poster presented at the Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2008
C. A. Carlson and J. C. Woehl
“Development of photonic crystal fiber optical tips for near-field imaging and single molecule manipulations”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2008
Y. Hu and J. C. Woehl
“Single molecule detection of protoporphyrin IX at room temperature”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2008
C. A. Carlson and J. C. Woehl
“Development of novel near-field optical tips for single molecule imaging and manipulation”
2007 UW System Chemistry Faculties Meeting, Green Bay, WI, 2007
C. A. Carlson and J. C. Woehl
“Development of novel optical tips for near-field imaging and manipulation of single molecules”
234th National Meeting of the American Chemical Society, Boston, MA, 2007
C. A. Carlson and J. C. Woehl
“Novel aperture probes for near-field scanning optical microscopy”
International Conference Seeing at the Nanoscale V, Santa Barbara, CA, 2007
J. J. Feng, C. A. Carlson, and J. C. Woehl
“Fabrication of ultrathin molecular films for use in single molecule manipulation”
2007 Laboratory for Surface Studies Student Summer Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2007
T. S. Ababneh and J. C. Woehl
“Toward fluorescence imaging at ultra-high optical resolution”
2007 Laboratory for Surface Studies Student Summer Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2007
Y. Hu and J. C. Woehl
“Characterization of metal protoporphyrin IXs for single molecule detection”
2007 Laboratory for Surface Studies Student Summer Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2007
C. A. Carlson and J. C. Woehl
“Development of novel optical tips for near-field imaging and manipulation of single molecules”
September 2007 Meeting of the Milwaukee Section of the American Chemical Society, Racine, WI, 2007
J. J. Feng, C. A. Carlson, and J. C. Woehl
“Fabrication of ultrathin monolayer films for single molecule manipulation”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2007
T. S. Ababneh and J. C. Woehl
“Toward fluorescence imaging at ultra-high optical resolution”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2007
M. J. Nasse, C. A. Carlson, C. R. Baiz, and J. C. Woehl
“Electronic structure and dynamics of electron transport molecules”
2006 UW System Chemistry Faculties Meeting, Oshkosh, WI, 2006
C. A. Carlson and J. C. Woehl
“A comparison of chemical etching fabrication methods of optical fiber probes”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2006
Y. Hu and J. C. Woehl
“Suitability of metal protoporphyrin IX derivatives for single molecule spectroscopy”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2006
Y. Hu, M. J. Nasse, J. C. Woehl
“Imaging of GFP tagged salmonella in the small intestine”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2006
C. R. Baiz  and J. C. Woehl
“Spectroscopic studies and quantum calculations of electron transport molecules”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2006
T. S. Ababneh, M. J. Nasse, and J. C. Woehl
“Right-angle turns in optical setups using mirrors and prisms”
Chemistry Department Awards Day, University of Wisconsin-Milwaukee, Milwaukee, WI, 2006
Y. Hu, M. J. Nasse, and J. C. Woehl
“Fluorescence imaging of GFP labeled salmonella”
37th Great Lakes Regional Meeting of the American Chemical Society, Milwaukee, WI, 2006
M. J. Nasse, S. Huant and J. C. Woehl
“Experimental and theoretical determination of the 3D point spread function of a microscope objective”
37th Great Lakes Regional Meeting of the American Chemical Society, Milwaukee, WI, 2006
C. A. Carlson and J. C. Woehl
“Chemically etched optical fiber tips: A comparison of three different fabrication methods”
37th Great Lakes Regional Meeting of the American Chemical Society, Milwaukee, WI, 2006
C. R. Baiz, M. J. Nasse, and J. C. Woehl
“Electronic spectroscopy and quantum calculations of 9,10-bis(phenylethynyl) anthracene derivatives”
37th Great Lakes Regional Meeting of the American Chemical Society, Milwaukee, WI, 2006
M. J. Nasse, S. Huant and J. C. Woehl
“Experimental and theoretical near focus intensity distribution in confocal microscopy”
2006 Laboratory for Surface Studies Student Summer Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2006
C. A. Carlson and J. C. Woehl
“Chemically etched optical fiber tips: a comparison of three different fabrication methods”
2006 Laboratory for Surface Studies Student Summer Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2006
M. J. Nasse, S. Huant and J. C. Woehl
“3D Intensity distribution in the near-focus region of a microscope objective”
9th International Conference on Hole Burning, Single Molecule and Related Spectroscopies: Science and Applications (HBSM), Aussois (France), 2006
M. J. Nasse, C. A. Carlson, C. R. Baiz, and J. C. Woehl
“Electronic structure and dynamics of electron transport molecules”
9th International Conference on Hole Burning, Single Molecule and Related Spectroscopies: Science and Applications (HBSM), Aussois (France), 2006
P. Geissinger, M. R. DuPrey, I. J. Schwabacher, J. C. Woehl, and B. J. Prince
“Electric fields at protein active sites as determined by hole-burning Stark spectroscopy”
Pacifichem 2005 – The International Chemical Congress of Pacific Basin Societies, Honolulu, HI, 2005
M. J. Nasse, D. Charrier, S. Huant, J. F. Motte, and J. C. Woehl
“Room-temperature imaging and dynamics of electron transport molecules”
52nd Annual Conference of the Western Spectroscopy Association, Pacific Grove, CA, 2005
P. Geissinger, J. C. Woehl, and B. J. Prince
“Electric fields at protein active sites as determined by hole-burning Stark spectroscopy”
227th National Meeting of the American Chemical Society, Anaheim, CA, 2004
M. J. Nasse, D. Charrier, and J. C. Woehl
“Single molecule microscopy”
Keulks Symposium, University of Wisconsin-Milwaukee, Milwaukee, WI, 2004
M. J. Nasse, A. Drezet, S. Huant, and J. C. Woehl
“Fluorescent nanosensors for optical fields”
4th International Symposium on Physics, Chemistry & Biology with Single Molecules, Kloster Banz, Germany, 2004
P. Geissinger, J. C. Woehl, and B. J. Prince
“Determination of internal electric fields at protein active sites by Stark-shifted persistent spectral hole burning”
Australasian Conference on Optics, Lasers, & Spectroscopy, University of Melbourne, Melbourne, Victoria, Australia, 2003
P. Geissinger, J. C. Woehl, and B. J. Prince
“A quantum-mechanical model for the determination of internal electric fields at protein active sites from the Stark effect on persistent spectral holes”
8th International Conference on Hole Burning, Single Molecule and Related Spectroscopies: Science and Applications (HBSM), Bozeman, MT, 2003
P. Geissinger, J. C. Woehl and B. J. Prince
“Internal electric fields at protein active sites”
35th Great Lakes Regional Meeting of the American Chemical Society, Chicago, IL, 2003
A. Drezet, S. Huant, and J. C. Woehl
“Characterizing optical near-field probes using fluorescent nano-objects”
3rd International Symposium on Physics, Chemistry & Biology with Single Molecules, Tutzing, Germany, 2002
A. Drezet, S. Huant, and J. C. Woehl
”In situ characterization of optical near-field probes in aperture NSOM”
7th International Conference on Near-Field Optics (NFO-7), Rochester, NY, 2002
A. Drezet, J.-F. Motte, S. Huant, J. C. Woehl, H. B. Weber, and H. v. Löhneysen
”Towards near-field detection of single molecules between nanoelectrodes”
7th International Conference on Near-Field Optics (NFO-7), Rochester, NY, 2002
A. Drezet, J. C. Woehl, and S. Huant
” Far-field emission of a tapered optical tip: a simple analytical model”
6th International Conference on Near-Field Optics (NFO-6), Enschede, The Netherlands, 2000
M. Brun, J.-F. Motte, J. C. Woehl, H. Mariette, and S. Huant
“Low-temperature near-field spectroscopy of II-VI semiconductor nanostructures”
6th International Conference on Near-Field Optics (NFO-6), Enschede, The Netherlands, 2000
Ch. Brunel, Ph. Tamarat, J. C. Woehl, B. Lounis, and M. Orrit
“Stark effect measurements on single dibenzanthanthrene molecules in n-hexadecane and naphthalene crystals”
6th International Meeting on Hole Burning and Related Spectroscopies: Science and Applications, Hourtin (France), 1999
J. C. Woehl, B. Viellerobe, Y. Durand, and M. Orrit
“Investigating single molecules with a near-field scanning optical microscope for variable temperatures”
6th International Meeting on Hole Burning and Related Spectroscopies: Science and Applications, Hourtin, France, 1999
Y. Durand, J. C. Woehl, B. Viellerobe, and M. Orrit
“First results of a scanning near-field optical microscope for single molecule spectroscopy at variable temperatures”
4th International Workshop on Single Molecule Detection and Ultrasensitive Analysis in Life Sciences, Berlin (Germany), 1998
J. C. Woehl, Y. Durand, , B. Viellerobe, and M. Orrit
“First results from a new design of a near-field scanning optical microscope for single-molecule spectroscopy at room temperature and at low temperatures”
Trinocular 98 of Microscopies, Strasbourg-Illkirch Graffenstaden (France), 1998
Y. Durand, J. C. Woehl, and M. Orrit
“New design of a scanning near-field optical microscope for single molecule spectroscopy at low temperatures”
3rd International Workshop on Single Molecule Detection: Basics and Applications in Life Sciences, Berlin, Germany, 1997
P. Geissinger, B. E. Kohler, and J. C. Woehl
“Evaluation of Stark measurements in myoglobin and cytochrome C”
44th Annual Conference of the Western Spectroscopy Association, Pacific Grove, CA, 1997
P. Geissinger, B. E. Kohler, and J. C. Woehl
“Experimental determination of internal electric fields in ordered systems: myoglobin and cytochrome C”
13th International Conference on Science and Technology of Synthetic Metals, Snowbird, UT, 1996
B. E. Kohler and J. C. Woehl
“Measuring internal electric fields and potentials with atomic resolution”
43rd Annual Conference of the Western Spectroscopy Association, Pacific Grove, CA, 1996
P. Geissinger, B. E. Kohler, and J. C. Woehl
“Experimental determination of internal electric fields at the sites of prosthetic groups in proteins”
43rd Annual Conference of the Western Spectroscopy Association, Pacific Grove, CA, 1996
P. Geissinger, B. E. Kohler, and J. C. Woehl
“The internal electric field and its origin in protoporphyrin IX substituted myoglobin”
Western Biotech Conference of the American Chemical Society, San Diego, CA, 1995
B. E. Kohler and J. C. Woehl
“Experimental determination of molecular charge distributions: octatetraene in n-alkanes”
7th International Conference on Unconventional Photoactive Solids, Stanford, CA, 1995
P. Geissinger, B. E. Kohler, and J. C. Woehl
“Determination of the internal electric field at the porphin core of protoporphyrin IX in myoglobin”
7th International Conference on Unconventional Photoactive Solids, Stanford, CA, 1995
B. E. Kohler and J. C. Woehl
“Measuring molecular electric fields”
42nd Annual Conference of the Western Spectroscopy Association, Pacific Grove, CA, 1995
P. Geissinger, B. E. Kohler and J. C. Woehl
“Stark effect on spectral holes in protoporphyrin IX substituted myoglobin: probing molecular fields”
42nd Annual Conference of the Western Spectroscopy Association, Pacific Grove, CA, 1995
G. Gradl, B. E. Kohler, C. Westerfield, and J. C. Woehl
“Measuring molecular electric fields via Stark effect studies on photochemical holes: octatetraene in n-alkanes”
41st Annual Conference of the Western Spectroscopy Association, Pacific Grove, CA, 1994
B. E. Kohler, L. Peteanu, C. Westerfield, J. C. Woehl, and Y. Yang
“Probing internal electric fields by hole burning studies”
40th Annual Conference of the Western Spectroscopy Association, Pacific Grove, CA, 1993