Publications

• C. Stoker, B. Glass, T. Stucky, A. Dave, L. Kobayashi, R. Quinn, M. Moreno-Paz, L. Sanchez-Garcia, M. F. Mora, F. Kehl, V. Parro, P. Willis, A. Davila,  E. Noe Dobrea, J. Rask, D. Ricardo, "A Mission Simulating the Search for Life on Mars with Automated Drilling, Sample Handling, and Life Detection Instruments Performed in the Hyperarid Core of the Atacama Desert, Chile", Astrobiology (2023), 23, 12.
  https://doi.org/10.1089/ast.2022.0055
  
  

• Glass, B., Bergman, D., Parro, V., Kobayashi, L., Stoker, C., Quinn, R., ... & ARADS Team. (2023). The Atacama Rover Astrobiology Drilling Studies (ARADS) Project. Astrobiology, 23(12), 1245-1258.
  https://doi.org/10.1089/ast.2022.0126

• T. Drevinskas, A. C. Noell, F. Kehl, K. Zamuruyev, M. S. Ferreira Santos, M. F. Mora, T. D. Boone, T. Hoac, R. C. Quinn, A. J. Ricco, P. A. Willis. "A gravity‐independent single‐phase electrode reservoir for capillary electrophoresis applications." Electrophoresis (2023), 44: 1047–1056.
  https://doi.org/10.1002/elps.202300015

• F. Kehl, K. Bywaters, A.G. Fairén, T. Granata, A.J. Ricco, L. Zea, "Technologies for handling, preparation, and liquid-based analysis of fluidic samples in space", Frontiers in Space Technologies (2022), 28
  https://doi.org/10.3389/frspt.2022.989416

• F. Kehl, T. Drevinskas, J.S. Creamer, A.J. DeMartino, P.A. Willis, "Providing Enhanced Migration Time Reproducibility with a High-Voltage-Compatible Flow Sensor for Capillary Electrophoresis", Analytical Chemistry (2022), 94 (15), 5734-5740
  https://doi.org/10.1021/acs.analchem.2c00038

• Brinckerhoff, W. B.; Willis, P. A.; Ricco, A. J.; Kaplan, D. A.; Danell, R. M.; Grubisic, A.; Mora, M. F.; Creamer, J. S.; Noell, A. C; Stern, J.; Szopa, C.; Freissinet, C.; Kehl, F.; Zamuruyev, K.; Castle, C.; Spring, J.; Drevinskas, T.; Badescu, M.; Ferreira S., Mauro S.; Jaramillo, E. A.; van Amerom, F.; Li, X.; Castillo, M.; Eigenbrode, J.; Theiling, B.; Quinn, R. C.; Stalport, F.; Buch, A. & Zacny, K. (2022). "Europan Molecular Indicators of Life Investigation (EMILI) for a Future Europa Lander Mission". Frontiers in Space Technologies, 2022, 12
  https://doi.org/10.3389/frspt.2021.760927

• S. Sherrit, M. Badescu, A. C. Noell, F. Kehl, M. F. Mora, N. J. Oborny, J. S. Creamer, P. A. Willis, "Acoustic Processing of Fluidic Samples for Planetary Exploration", Frontiers in Space Technologies (2022), 3, 752335
  https://doi.org/10.3389/frspt.2022.752335
  
  

• F. Kehl, V.F. Cretu, P.A. Willis, "Open-source lab hardware: A versatile microfluidic control and sensor platform", Elsevier HardwareX (2021), 10, e00229.
  https://doi.org/10.1016/j.ohx.2021.e00229
  
  

• F. Kehl, V. F. Cretu, P. A. Willis, "Open-Source Lab Hardware: Driver and Temperature Controller for High Compliance Voltage, Fiber-coupled Butterfly Lasers Elsevier HardwareX (2021), 10, e00240.
  https://doi.org/10.1016/j.ohx.2021.e00240
  
  

• V. F. Cretu, F. Kehl, B. C. Metz, P. A. Willis, "Open-Source Lab Hardware: Low Noise Adjustable Two-Stage Gain Transimpedance Amplifier with DC Offset", Elsevier HardwareX (2021), 10, e00233.
  https://doi.org/10.1016/j.ohx.2021.e00233

• N. Oborny, F. Kehl, V.F. Cretu, P.A. Willis, "A Radiation Tolerant Laser-Induced Fluorescence Detection System for a Potential Europa Lander Mission", Acta Astronautica (2021), 186, 465-472.
  https://doi.org/10.1016/j.actaastro.2021.06.012

• M.F. Mora, F. Kehl, E.T. da Costa, N. Bramall, P.A. Willis, “A Fully Automated Microchip Electrophoresis Analyzer for Potential Life Detection Missions”, Analytical Chemistry (2020), 92, 19, 12959–12966.
  https://doi.org/10.1021/acs.analchem.0c01628

• F. Kehl, N.A. Kovarik, J.S. Creamer, E.T. Da Costa, P.A. Willis, “A Subcritical Water Extractor Prototype for Potential Astrobiology Spaceflight Missions”, Earth and Space Science 6.12 (2019): 2443-2460.
  https://doi.org/10.1029/2019EA000803

• D. Bischof, F. Kehl, M. Michler, “Design method for a distributed Bragg resonator based evanescent field sensor”, Optics Communications 380, (2016): 273-279.
  https://doi.org/10.1016/j.optcom.2016.06.013
  
  

• F. Kehl, S. Follonier, “Self-referenced waveguide grating sensor”, Optics letters 41.7 (2016): 1447-1450.
  https://doi.org/10.1364/OL.41.001447
  
  

• F. Kehl, G. Etlinger, T. E. Gartmann, N. S. R. U. Tscharner, S. Heub, S. Follonier, “Introduction of an Angle Interrogated, MEMS-based, Optical Waveguide Grating System for Label-Free Biosensing”, Sensors & Actuators: B Chemical (2016), 226, 135–143.
  https://doi.org/10.1016/j.snb.2015.11.072
  
  

• F. Kehl, D. Bischof, M. Michler, M. Keka, R. Stanley, “Design of a Label-Free, Distributed Bragg Grating Resonator Based Dielectric Waveguide Biosensor”, Photonics (2015); 2(1):124-138.
  https://doi.org/10.3390/photonics2010124
  
  

• T. E. Gartmann*, F. Kehl*, “Experimental Validation of the Sensitivity of Waveguide Grating Based Refractometric (Bio)sensors”, Biosensors (2015); 5(2):187-198.
  https://doi.org/10.3390/bios5020187
  
  

• S. Heub, N. Tscharner, V. Monnier, F. Kehl, P.S. Dittrich, S. Follonier, L. Barbe, “Automated and portable solid phase extraction platform for immuno-detection of 17β-estradiol in water”, Journal of Chromatography A, Vol. 1381 (2015): 22–28.
  https://doi.org/10.1016/j.chroma.2014.12.076
  
  

• S. Heub, N. Tscharner, F. Kehl, P.S. Dittrich, S. Follonier, L. Barbe, “A simple method for automated solid phase extraction of water samples for immunological analysis of small pollutants”, Journal of Visualized Experiments, e53438, (2015).
  https://dx.doi.org/10.3791/53438
  
  

• F. Kehl, A. M. Mehta, K. S. J. Pister, “An Attitude Controller for Small Scale Rockets Field and Service Robotics”, Springer Tracts in Advanced Robotics 105 (2015), 201-214.
  https://doi.org/10.1007/978-3-319-07488-7_14
  
  

• P. Kozma, F. Kehl, E. Ehrentreich-Förster, C. Stamm, F. F. Bier, “Integrated planar optical waveguide interferometer biosensors: a comparative review”, Biosensors and Bioelectronics 58 (2014): 287-307.
  https://doi.org/10.1016/j.bios.2014.02.049
  
  

• T. Guillod, F. Kehl, and C. V. Hafner, “FEM-Based Method for the Simulation of Dielectric Waveguide Grating Biosensors”, Progress In Electromagnetics Research 137 (2013), 565-583.
  http://dx.doi.org/10.2528/PIER13020502
  
  

• J. Razumovitch, K. de França, F. Kehl, M. Wiki, W. Meier, C. Vebert, “Optimal hybridization efficiency upon immobilization of oligonucleotide double helices”, The Journal of Physical Chemistry B (2009) 18;113(24):8383-90.
  https://doi.org/10.1021/jp902383m

Conference Proceedings, Abstracts & Symposium Publications

2024

• M. Badescu, A. Noell, S. Sherrit, J. Creamer, F. Kehl, A. Berg, F. Mora, H. J. Lee, P. Willis. "Extraction chamber for the Ocean Worlds Life Surveyer (OWLS) instruments suite", 2024 IEEE Aerospace Conference, Montana, USA (2024).
  DOI: 10.1109/AERO58975.2024.10521206
  
  

• Ligeza, G., Arm, P., Bontognali, T., Bickel, V., Kolvenbach, H., Kuhn, N., & Kehl, F. (2024). "Rock Identification with a Microscopic Imager and Raman-Equipped Robotic Arm in Martian and Lunar Analog Environments." LPI Contributions, 3040, 1541.
  2024LPICo3040.1541L
  
  

• Willis, P. A., Mora, M. F., Noell, A. C., Drevinskas, T., Jaramillo, E., Cieslarova, Z., Ferreira Santos, M., Kok, M., Kehl, F., Ricco, A.J., Quinn, R.C., Danell, R., Kaplan, D., Grubisic, A. & Brinckerhoff, W. B. (2024, May). The Organic Capillary Electrophoresis Analysis System (OCEANS) for Potential Future Ocean World Astrobiology Missions. In 2024 Astrobiology Science Conference (AbSciCon 2024).
  Link

2023

• Glass, B., Bergman, D., Parro, V., Stoker, C., Quinn, R., Davila, A., ... & ARADS Team. (2023, September). The ARADS Project as an Astrobiological Survey Mission Prototype. In European Astrobiology Conference (EANA 2023).
  Link

2022

• P. Arm, G. Waibel, G. Ligeza, V. Bickel, M. Tranzatto, S. Zimmermann, T. Homberger, L. Horvath, H. Umbers, F. Kehl, H. Kolvenbach, M. Hutter, "Results and lessons learned from the first field trial of the ESA-ESRIC Space Resources Challenge of team GLIMPSE", 16th Symposium on Advanced Space Technologies in Robotics and Automation (ASTRA), ESA-ESTEC, Noordwijk, the Netherlands (2022)

• J.S. Creamer, F. Kehl, N. Oborny, V.F. Cretu, A.C. Noell, M. Foote, P.A. Willis, "Continued Evolution of Portable Capillary Electrophoresis with Laser-Induced Fluorescence Detection Instrumentation for Astrobiology", AbSciCon 2022, 419-02.

• C. Stoker, B.J. Glass, A. Davila, A. Dave, T. Stucky, M. Moreno-Paz, V. Parro, M. F. Mora, F. Kehl, P. A. Willis, "A Simulated Drilling Mission to Search for Bio-molecular Signatures of Life on Mars Performed in the Atacama Desert (Chile): Demonstrating Drilling, Sample Handling, and Life-Detection Instruments Remotely Operated with Mission-like Protocols", AbSciCon 2022, 510-03.

• B.J. Glass, A. Davila, V. Parro, R.C. Quinn, P.A. Willis, W.B. Brinckerhoff, K. Zacny, K. Warren-Rhodes, J. DiRuggiero, M. B. Wilhelm, L. Kobayashi, D. Bergman, T. Stucky, S. J. Seitz, A. Dave, M. Moreno-Paz, C. McKay, C. Stoker, M. F. Mora, F. Kehl, R. B. Bonaccorsi, A. Grubisic, M. Castillo, "Atacama Rover Astrobiology Drilling Studies Project: Final Year", AbSciCon 2022, 444-09.

• M. Badescu, J.S. Creamer, O. Igbinosun, F. Kehl, A.C. Noell, S. Sherrit, A. B. Berg, H. J. Lee, P. A. Willis, "The Ocean Worlds Life Surveyor Extractor Module", AbSciCon 2022, 220-04.

• P.A. Willis, M.F. Mora, A.C. Noell, J.S. Creamer, N. Oborny, F. Kehl, M. Badescu, T. Drevinskas, E. Jaramillo, Z. Cieslarova, M. Ferreira Santos, M. Kok, O. Igbinosun, M. Foote, A. J. Ricco, R. C. Quinn, R. Danell, D. Kaplan, A. Grubisic, W. B. Brinckerhoff, J. L. Eigenbrode, J. Spring, K. Zacny, "The Organic Capillary Electrophoresis Analysis System (OCEANS) – A Wet Chemistry Biosignature Analyzer for Potential Future Ocean Worlds Missions", AbSciCon 2022, 220-02.

• C. Lindensmith, P.A. Willis, M. Foote, A.C. Noell, J. Nadeau, M.F. Mora, A. B. Berg, F. Kehl, M. Ferreira Santos, M. Badescu, E. Jaramillo, N. Oborny, J. S. Creamer, M. Kok, V. F. Cretu, S. Sherrit, E. Serabyn, J. K. Wallace, L. Mandrake, M. Wronkiewicz, J. Lee, K. Liewer, G. C. Richdale III, B. Metz, T. Kim, S. McKinney, M. Gharib, A. S. Templeton, "The Ocean Worlds Life Surveyor (OWLS)" AbSciCon 2022, 123-04.

2021

• P. Willis, M. F. Mora, A. Noell, J. Creamer, F. Kehl, K. Zamuruyev, E. Jaramillo, M. Kok, Z. Cieslarova, M. S. F. Santos, N. Oborny, T. Drevinskas, M. Badescu, J. Simcic, S. Waller, S. Madzunkov, C. Lindensmith, W. Brinckerhoff, T. Hoehler, R. Quinn, A. Ricco, S. Lunte, A. Templeton, "How to Search for Chemical Biosignatures on Ocean Worlds", Bull. Am. Astronomical Soc (2021),  53 (4), 293.

• P. Willis, M. F. Mora, A. Noell, J. Creamer, K. Zamuruyev, F. Kehl, M. Badescu, V. Cretu, T. Drevinskas, E. Jaramillo, Z. Cieslarova, M. Ferreira Santos, M. Kok, O. Igbinosun, C. Lindensmith, A. Ricco, R. Quinn, R. Danell, D. Kaplan, W. Brinckerhoff, J. Eigenbrode, J. Spring, K. Zacny, "The Organic Capillary Electrophoresis Analysis System (OCEANS) a liquid chemical analyzer suite for searching for agnostic biosignatures on ocean worlds", AGU Fall Meeting (2021), P22A-03

2020

• W. B. Brinckerhoff, P. A. Willis, A. J. Ricco, J. C. Stern, A. Grubisic, M. F. Mora, J. S. Creamer, D. Kaplan, R. Danell, K. Zamuruyev, T. Drevinskas, F. Kehl, F.H.W. van Amerom, B. Leiter, J. L. Eigenbrode, R. C. Quinn, A. C. Noell, M. Castillo, C. Szopa, C. Freissinet, A. Buch, F. Stalport, N. Grand, J. Spring, C. Castle, K. Zacny, X. Li, M. Millan, "Europan Molecular Indicators of Life Investigation (EMILI) Technology Development", AGU Fall Meeting (2020), P044-0004

• J.S. Creamer, A. C. Noell, K. Zamuruyev, F. Kehl, V.F. Cretu, M. Ferreira Santos, E. Jaramillo, M. Badescu, M.F. Mora, W. Brinckerhoff, R. Quinn, A. Ricco, P.A. Willis, “The Organic Capillary Electrophoresis Analyzer (OCEAN) Instrument Concept”, Outer Planets Assessment Group (OPAG) Meeting (2020) 2194, 6005

2019

• M.F. Mora, F. Kehl, E.T. da Costa, N. Bramall, J.S. Creamer, A.C. Noell, P.A. Willis, “Capillary Electrophoresis Instrumentation and Methods for Spaceflight Missions of Exploration”, ECS 57 (2019), 2473-2473.

• F. Kehl, E.T. Da Costa, N.A. Kovarik, P.A. Willis, “Automated Subcritical Water Extraction and Analysis Platform for Martian Regolith: Remote Operation on Rover in the Atacama Desert”, LPSC (2019), 2174

• N. Oborny, A.C. Noell, P.A. Willis, F. Kehl, “Preliminary Design of a Radiation Tolerant LIF Detection System for a Potential Europa Lander Mission”, Abscicon (2019), 139-146.

• P.A. Willis, M.F. Mora, J.S. Creamer, A.C. Noell, F. Kehl, K. Zamuruyev, A.J. Ricco, R.C. Quinn, J.C. Stern, W.B. Brinckerhoff, “Organic Capillary Electrophoresis Analysis System (OCEANS) Subsystem of the Europan Molecular Indicators of Life Investigation (EMILI)”, Abscicon (2019), 408-3.

• F. Kehl, N.A. Kovarik, J.S. Creamer, P.A. Willis, “Field and Laboratory Validation of a Portable Subcritical Water Extraction System for Astrobiology Investigations”, Abscicon (2019), 204-5.

• M.F. Mora, F. Kehl, E.T. da Costa, N. Bramall, P.A. Willis, “The Chemical Laptop: a Portable, Fully Automated Microchip Electrophoresis Instrument for Future Spaceflight Missions”, Abscicon (2019), 211-7.

• M.F. Mora, F. Kehl, E.T. da Costa, N. Bramall, P.A. Willis, “Microchip electrophoresis hardware for spaceflight missions of exploration”, ACS (2019), 257.

2018

• F. Kehl, E.T. Da Costa, N.A. Kovarik, P.A. Willis, “Automated Subcritical Water Extraction and Analysis Platform for Martian Regolith: Remote Operation on Rover in the Atacama Desert”, AOGS (2018), ST-PS15-A027

2017

• F. Kehl, E.T. Costa, D. Wu, M.F. Mora, J.S. Creamer, P.A. Willis, “Automated In-Situ Subcritical Water Extraction And Pre-Characterization Platform For Martian Regolith”, Abscicon (2017), 3198.

• P.A. Willis, M.F. Mora, J.S. Creamer, F. Kehl, E.T. da Costa, N. Bramall, A.J. Ricco, R. Quinn, “The State-of-the-art In Capillary Electrophoresis And Microchip Electrophoresis Instrumentation For Ocean Worlds Missions Seeking Signs Of Life”, Abscicon (2017), 3425.

• M.F. Mora, N. Bramall, F. Kehl, A.C. Noell, P.A. Willis, “Microchip Electrophoresis Instrumentation for Determination of Chemical Distributions of Organic and Inorganic Ions on Future Spaceflight Missions”, Abscicon (2017), 3561.

• F. Kehl, D. Wu, M.F. Mora, J.S. Creamer, and P.A. Willis, "In-Situ Liquid Extraction and Analysis Platform for Mars and Ocean Worlds", National Academies of Sciences, Engineering, and Medicine. Searching for Life Across Space and Time: Proceedings of a Workshop, (2017), 113.

• M.F. Mora, F. Kehl, E. T. da Costa, J.S. Creamer, J. Chapman, D. Arnold, T. Horton, M. Darrach, A. Ricco, P.A. Willis, "Capillary Electrophoresis Instrumentation for Determination of Chemical Distributions Indicative of Life on Future Spaceflight Missions", National Academies of Sciences, Engineering, and Medicine. Searching for Life Across Space and Time: Proceedings of a Workshop, (2017), 113.

-2016

• F. Kehl, D. Wu, M.F. Mora, J.S. Creamer, P.A. Willis, “In-situ liquid extraction and analysis platform for Mars and ocean worlds”, IPM (2016), 4070.

• P.A. Willis, M.F. Mora, J.S. Creamer, F. Kehl, “Maximizing Science Return on Astrobiology and Planetary Missions Using Integrated Liquid- Handling Chemical Analysis Systems — A Status Report”, IPM (2016), 4089.

• J.S. Creamer, M.F. Mora, F. Kehl, P.A. Willis, “Enhanced Resolution of Chiral Amino Acids with Capillary Electrophoresis for Biosignature Detection in Extraterrestrial Samples”, IPM (2016), 4061.

• F. Kehl, R. Bielecki, S. Follonier, D. Dorokhin, “Novel label-free biosensing technology for monitoring of aqueous solutions”, Proc. SPIE 9725 (2016), Frontiers in Biological Detection: From Nanosensors to Systems VIII, 97250N

• M. Altmeyer, A. Koller-Hodac, S. Walpen, E. Krüttli, M. Lüthy, F. Kehl, J. Auerswald, “Hybrid Robot Gripper and Tools for Handling and Bonding Micro Fluidic Chips”, Robotics (ISR), 2010 41st International Symposium on and 2010 6th German Conference on Robotics (ROBOTIK), 1-6.

Patents

• Measurement method based on an optical waveguide sensor system
  F. Kehl, S. Follonier
  PCT/EP2014/061740 (WO2014EP61740)

• Integrated optical waveguide sensor system
  F. Kehl, M. Keka, M. Michler, R. Stanley
  PCT/EP2014/001579 (WO2014198409A1)

• A Portable, Automated Capillary Electrophoresis System For Multiple Mode Detection Of Organic And Inorganic Species
  K. Zamuruyev, P.A. Willis, A.C. Noell, M.F. Mora, F. Kehl, M.S. Ferreira Santos
  CIT-8247-P (provisional)

• Automated Subcritical Water Extractor and Analysis Platform
  F. Kehl, P.A. Willis
  CIT-8252-P (provisional)

• The Chemical Laptop: a Portable, Fully Automated Microchip Electrophoresis Instrument for Future in situ Planetary Investigations
  P.A. Willis, M.F. Mora, F. Kehl, N. Bramall
  CIT-7667-P (provisional)

• µFIA: A Microfluidic Flow Injection Analysis Platform
  F. Kehl, P.A. Willis
  CIT-7664-P (provisional)
  
  

Conference Presentations

2021

• J. S. Creamer, F. Kehl, A. C. Noell, M. F. Mora, P. A. Willis, "Capillary Electrophoresis Separations for Future Life Detection Missions" [Keynote presentation]. IUPAC, CCCE 2021. 2021, virtual, August 13-20, https://www.cheminst.ca/conference/ccce2021/

2020

• T. Drevinskas*, F. Kehl, K. Zamuruyev, P.A. Willis, "Design of a Submersible Underwater Capillary Electrophoresis Analytical System", JPL Postdoc Research Day, Pasadena, CA, USA, Dec. 2020 (Poster)

• F. Kehl*, V.F. Cretu, J.S. Creamer, A.J. Demartino, F. Pablo Quevedo, P.A. Wills, "A Portable CE-LIF Prototype System of the Ocean Worlds Life Surveyor (OWLS) Instrument Suite for Potential Astrobiology Spaceflight Missions", 36th International Symposium on Microscale Separations and Bioanalysis (MSB2020), virtual, September 27-30th, 2020. (Presentation)

• T. Drevinskas*, F. Kehl, K. Zamuruyev, A. C. Noell, V.F. Cretu, A.J. Demartino, P.A. Willis, "Development of an Underwater Autonomous Capillary Electrophoresis Unit for Potential Future Ocean World Exploration and Terrestrial Chemical Oceanography", 36th International Symposium on Microscale Separations and Bioanalysis (MSB2020), virtual, September 27-30th, 2020. (Poster)

• J.S. Creamer*, A.C. Noell, K. Zamuruyev, F. Kehl, V.F. Cretu, M. Ferreira Santos, E. Jaramillo, M. Badescu, M.F. Mora, W. Brinckerhoff, R. Quinn, A. Ricco, P.A. Willis, “The Organic Capillary Electrophoresis Analyzer (OCEAN) Instrument Concept”, Outer Planets Assessment Group (OPAG) Meeting, Houston, TX, USA, Feb 3 - 4, 2020 (Presentation).

2019

• M.F. Mora*, F. Kehl, E. T. da Costa, N. Bramall, J.S. Creamer, A.C. Noell, P.A. Willis, “Capillary Electrophoresis Instrumentation and Methods for Spaceflight Missions of Exploration” 236th Electrochemical Society Meeting, Atlanta, GA, USA, Oct 13-17, 2019. (Invited Talk)

• M.F. Mora*, F. Kehl, E. T. da Costa, N. Bramall, P.A. Willis, “Development of Capillary Electrophoresis Hardware for Implementation on Spaceflight Missions of Exploration”, LACE, Alcala de Henares, Spain, Sept 29 - Oct 2, 2019. (Presentation)

• P.A. Willis*, M.F. Mora, J.S. Creamer, A.C. Noell, F. Kehl, K. Zamuruyev, “Separating Life from Non-Life on Ocean Worlds”, ITP 2019, Toulouse, France, Sept 1, 2019. (Plenary Lecture)

• F. Kehl*, N.A. Kovarik, J.S. Creamer, P.A. Willis, “Field and Laboratory Validation of a Portable Subcritical Water Extraction System for Astrobiology Investigations”, Astrobiology Science Conference, Bellevue, WA, 24-28 June 2019. (Presentation)

• M.F. Mora*, F. Kehl, Tavares da Costa, E., N. Bramall, P.A. Willis, “The Chemical Laptop: a Portable, Fully Automated Microchip Electrophoresis Instrument for Future Spaceflight Missions”, Astrobiology Science Conference, Bellevue, WA, 24-28 June 2019. (Presentation)

• N. Oborny*, A.C. Noell, P.A. Willis, F. Kehl, “Preliminary Design of a Radiation Tolerant LIF Detection System for a Potential Europa Lander Mission”, Astrobiology Science Conference, Bellevue, WA, 24-28 June 2019. (Poster)

• P.A. Willis*, M.F. Mora, J.S. Creamer, A.C. Noell, F. Kehl, K. Zamuruyev, A. Ricco, R. Quinn, J.C. Stern, W. Brinckerhoff, “Organic Capillary Electrophoresis Analysis System (OCEANS) Subsystem of the Europan Molecular Indicators of Life Investigation (EMILI)”, Astrobiology Science Conference, Bellevue, WA, 24-28 June 2019. (Presentation) 

• M.F. Mora*, F. Kehl, Tavares da Costa, E., N. Bramall, P.A. Willis, “Microchip Electrophoresis Hardware for Spaceflight Missions of Exploration”, ACS National Meeting, Orlando, FL, Mar 31 - Apr 04, 2019. (Presentation)

• F. Kehl*, E.T. Da Costa, N.A. Kovarik, P.A. Willis, “Automated Subcritical Water Extraction and Analysis Platform for Martian Regolith: Remote Operation on Rover in the Atacama Desert”, Lunar and Planetary Society Conference, The Woodlands, TX, USA, March 18–22, 2019. (Presentation)

2018

• M.F. Mora*, F. Kehl, E.T. da Costa, N. Bramall, P.A. Willis, “Status of Development of Microchip Electrophoresis Hardware for Spaceflight Missions of Exploration”, LACE 2018, Mendoza, Argentina, Dec 1-4, 2018. (Presentation)

• F. Kehl*, E.T.da Costa, D. Wu, M.F. Mora, J.S. Creamer, P.A. Willis, “Automated In-Situ Subcritical Water Extraction and Pre-Characterization Platform for Mars and Ocean Worlds”, The Space Studies Board of the National Academies of Sciences, Engineering and Medicine, Irvine, CA, USA, Nov 7-9, 2018. (Poster)

• F. Kehl*, E.T. da Costa, N.A. Kovarik, P.A. Willis, “Automated Subcritical Water Extraction and Analysis Platform for Martian Regolith: Remote Operation on Rover in the Atacama Desert”, 15th Annual Meeting, Asia Oceania Geosciences Society (AOGS), Honolulu, HI, USA, June 03 - 08, 2018 (Presentation)

2017

• M.F. Mora*, F. Kehl, J. Creamer, E.T.d. Costa, A. Guttman, B. Fonslow, E. Candish, J. Chapman, P.A. Willis, “Status of Development of Capillary Electrophoresis Electrospray Ionization Mass Spectrometry Methods and Hardware for Spaceflight Missions of Exploration”, 2017 Global CESIMS Symposium, Boston, MA, Oct 5-6, 2017. (Presentation)

• P.A. Willis*, M.F. Mora, J. Creamer, F. Kehl, E.T.d. Costa, A. Noell, W. Brinckerhoff, D. Glavin, S. Getty, A. Ricco, R. Quinn, “The Organic Capillary Electrophoresis Analysis System (OCEANS) for Astrobiology. Investigations on Ocean Worlds”, The Outer Planets Assessment Group, La Jolla, CA, Sept 6-7, 2017. (Presentation)

• M.F. Mora*, N. Bramall, F. Kehl, P.A. Willis, “Microchip Electrophoresis Instrumentation for Detection of Biosignatures on Future In Situ Planetary Investigations”, HPLC 2017, Prague, Czech Republic, June 18 - 22, 2017. (Presentation)

• M.F. Mora*, N. Bramall, F. Kehl, A. Noell, P.A. Willis, “Microchip Electrophoresis Instrumentation for Determination of Chemical Distributions of Organic and Inorganic Ions on Future Spaceflight Missions”, Astrobiology Science Conference 2017, Mesa, Arizona, April 24–28, 2017. (Presentation)

• F. Kehl*, E.T.da Costa, D. Wu, M.F. Mora, J.S. Creamer, P.A. Willis, “Automated In-Situ Subcritical Water Extraction and Pre-Characterization Platform for Martian Regolith”, Astrobiology Science Conference 2017, Mesa, Arizona, April 24–28, 2017. (Presentation)

• F. Kehl*, E.T.d.Costa, D. Wu, M.F. Mora, J.S. Creamer, P.A. Willis, “Automated In-Situ Subcritical Water Extraction and Pre-Characterization Platform for Mars and Ocean Worlds”, Postdoc Research Day, Pasadena, CA, USA, 2017. (Poster)

2016

• F. Kehl*, D. Wu, M.F. Mora, J.S. Creamer, P.A. Willis, “In-situ liquid extraction and analysis platform for Mars and ocean worlds”, 3rd International Workshop on Instrumentation for Planetary Mission, Pasadena, CA, USA, Oct 24-27, 2016. (Presentation)

• P.A. Willis*, M.F. Mora, J.S. Creamer, F. Kehl, “Maximizing Science Return on Astrobiology and Planetary Missions Using Integrated Liquid- Handling Chemical Analysis Systems-A Status Report”, 3rd International Workshop on Instrumentation for Planetary Mission, Pasadena, CA, USA, Oct 24-27, 2016. (Presentation)

• P.A. Willis*, M. F. Mora, J.S. Creamer, F. Kehl, E.T. da Costa, “Searching for Signs of Life with Electrophoresis”, The 23rd International Symposium on Electro- and Liquid Phase-Separation Techniques, Minneapolis, MN, USA, Sept 20, 2016. (Presentation)

• F. Kehl*, D. Wu, E.T. da Costa, M.F. Mora, J.S. Creamer, P.A. Willis, “In-situ Liquid Extraction and Analysis Platform for Mars and Icy Ocean Worlds”, Postdoc Research Day, Pasadena, CA, USA, 2016. (Poster)

2014

• F. Kehl*, N.S.R.U. Tscharner, G. Etlinger, S. Follonier, J. Vörös, “Development of an integrated, label-free, waveguide grating based biosensor platform for on-the-spot measurements and online monitoring of toxins and pollutants in food production processes and in the aquatic environment”, Scientific Symposium: Small Solutions for Big Water-Related Problems - Innovative microarrays and small sensors to cope with water quality and food security, Rome, Italy, Oct 26-28, 2014. (Invited Talk)

• T. Gartmann*, F. Kehl, “Fabrication, Simulation and Characterization of Waveguide Grating Based Biosensors”, 40th International Micro and Nano Engineering Conference, September 22-26, 2014, Lausanne, Switzerland. (Poster)

2013

• A. Mehta*, F. Kehl, “An Attitude Controller for Small Scale Rockets”, The 9th International Conference on Field and Service Robotics, Dec 9-11, 2013, Brisbane, Australia (Presentation)

• F. Kehl*, S. Follonier, J. Vörös, “Enhanced Surface-to-Bulk Sensitivity Ratio of a Waveguide Grating Biosensor by Angular Interrogation at Short Wavelengths”, 3rd International Conference on Bio-Sensing Technology, Sitges, Spain, May 12-15, 2013. (Poster)
  This poster received the "Best Poster Award".

2012

• F. Kehl*, P. Büchel, M. Gross, S. Follonier, J. Vörös, “Self-Referencing Label-Free Waveguide Grating Sensor For Remote Surveillance Of Toxins And Pollutants”, Label-Free Technologies, Amsterdam, The Netherlands, Nov 1-3, 2012. (Poster)

• F. Kehl*, S. Follonier, J. Vörös, “Angle interrogating optical sensor ARGOS: Scanning MEMS mirror for waveguide grating based label-free monitoring of toxins and pollutants”, Graubünden forscht, Davos, Switzerland, Sept 12–13, 2012. (Presentation)

• F. Kehl*, T. Guillod, “Combined FEM and analytical method for the simulation and optimization of planar dielectric waveguide grating biosensors”, 8th Workshop on Numerical Methods for Optical Nano-Structures, Switzerland, July 2-4, 2012, Zürich. (Presentation)

• F. Kehl*, S. Follonier, J. Vörös, “Angle Interrogating Optical Sensor ARGOS: Scanning MEMS Mirror for Higher Performance Label-free Optical Biosensing”, Biosensors 2012, Cancun, Mexico, May 16-18, 2012. (Poster)

2008

• F. Kehl*, J. Razumovitch, M. Wiki, C. Vebert-Nardin, W. Meier, “Immobilization of oligonucleotides and their hybridization at a surface: QCM-D and BRIGHT studies”, INASCON 2008, Arhus, Denmark, Sept 2008. (Poster)
  This poster received the "Best Poster Award".

• F. Teixeira*, J. Razumovitch, K. de França, F. Kehl, M.Wiki, W. Meier, C. Vebert-Nardin, “Oligonucleotide-based Polymers: Synthesis and Hybridization”, Workshop on Nanoscience, Davos, Switzerland, 2008. (Poster)

Non-​Refereed Articles:

• D. Bleiner, D. Qu, O. Shliakhtun, and F. Kehl, "Laserinduzierte Spektroskopie: Aus LIBS Wird LIXS". Mitteilungsblatt Gesellschaft Deutscher Chemiker, Fachgruppe Analytische Chemie 4 (2022): 17–19.

• F. Kehl, A.B. Berg, V.F. Cretu, A.J. Ricco (2019), "Closed container high-voltage/fluidics interface for capillary electrophoresis"
  NASA New Technology Report NTR # 51195

• F. Kehl, P.A. Willis (2019), "Automated Subcritical Water Extractor and Analysis Platform"
  NASA New Technology Report NTR # 51154

• K. Zamuruyev, P.A. Willis, A.C. Noell, M.F. Mora, F. Kehl, M.S. Ferreira Santos (2019), "A Portable, Automated Capillary Electrophoresis System for Multiple Mode Detection of Organic and Inorganic Species"
  NASA New Technology Report NTR # 51143

• F. Kehl, P.A. Willis (2017), "General Purpose Plunger Based Fluidic Extractor for In Situ Planetary Exploration"
  NASA New Technology Report NTR # 50725 

• F. Kehl, P.A. Willis (2016), "μFIA: A Microfluidic Flow Injection Analysis Platform"
  NASA New Technology Report NTR # 50349

• P.A. Willis, M.F. Mora, F. Kehl, N. Bramall (2016), "The Chemical Laptop: a Portable, Fully Automated Microchip Electrophoresis Instrument for Future in situ Planetary Investigations"
  NASA New Technology Report NTR # 50355

• F. Kehl, N. Tscharner, P. Grandi, T. Gartmann, G. Etlinger, and A. Giangreco (2014), “Development of an Integrated , Label-​free , Waveguide Grating-​based Biosensor Platform for Onsite Measurements and Online Monitoring of Toxins and Pollutants in Food Production Processes and in the Aquatic Environment”
  CSEM Scientific and Technical Report, p. 63.
  
  
  

• T. Gartmann and F. Kehl (2014), “Experimental Characterization of the Sensitivity of Waveguide Grating-​based Biosensors and Comparison with Numerical Simulations”
  CSEM Scientific and Technical Report, p. 62.
  
  
  

• F. Kehl, D. Bischof, M. Michler, M. Keka, and R. P. Stanley (2014), “Conceptual Design and Numerical Simulation of a Distributed Bragg Grating Resonator Waveguide Biosensor”
  CSEM Scientific and Technical Report, p. 60.

• F. Kehl and J. Vörös (2013), “Enhanced Surface-​to-Bulk Sensitivity Ratio of a Waveguide Grating Biosensor by Angular Interrogation at Short Wavelengths”
  CSEM Scientific and Technical Report, p. 54.
  
  
  

• T. Guillod, F. Kehl, and C. Hafner (2012), “FEM-​Based Method for the Simulation of Dielectric Waveguide Grating Biosensors”
  CSEM Scientific and Technical Report, p. 48.
  
  
  

• S. Follonier, J. Vörös, and F. Kehl (2011), “Self-​referenced Waveguide Grating Sensor for the Angle Interrogating Optical System (ARGOS)”
  CSEM Scientific and Technical Report, p. 79.
  
  
  

• S. Follonier, S. Heub, S. Deshpande, T. Pfohl, D. Müller, and F. Kehl (2011), “Continuous Particle Separation Filter through Deterministic Lateral Displacement as In-​line Sample Purification Unit”
  CSEM Scientific and Technical Report, p. 37.
  
  
  

• F. Kehl, S. Follonier, and M. Wiki (2010), “Angle Interrogating Optical Sensor ARGOS : Scanning MEMS Mirror for Higher Performance Label-​free Optical Biosensing”
  CSEM Scientific and Technical Report, p. 78.
  
  
  

• J. Auerswald, S. Berchtold, N. Schmid, R. J. James, I. Pushkarsky, M. Wiki, F. Kehl, S. Follonier, P. Schüpp, H. F. Knapp (2010), “2Dplus Laser Micromachining”
  CSEM Scientific and Technical Report, p. 103.
  
  
  

• J. Auerswald, S. Berchtold, J. Kaufmann, Q. Lai, S. Follonier, M. Wiki, F. Kehl, M. Altmeyer, and S. Walpen (2010), “Customer-​specific Small Series Production and Modeling of Microfluidic Components”
  CSEM Scientific and Technical Report, p. 104.
  
  
  

• F. Kehl, J. Razumovitch, K. De França, W. Meier, C. Vebert, and M. Wiki (2008), “DNA-​fragment Binding Studies on the Label-​free BRIGHT TM -​Reader and QCM-​D Biosensor”
  CSEM Scientific and Technical Report, p. 75.
  
  
  

• M. Wiki, F. Kehl, and P. Seitz (2007), “Robust Label-​Free Biosensor using BRIGHT Technology”
  CSEM Scientific and Technical Report, p. 68.