Publications

Alex Hoehn • Home Page • Professional: Research • Academic • Resume • Publications • Personal: Interests • Photo Album • Link

Publications, Abstracts and Presentations

Alexander Hoehn, Ph.D. (CV) - Research Associate Professor - University of Colorado - Aerospace Engineering Sciences

Publications and Abstracts

2006

A. Hoehn, J.B. Freeman, P. Koenig, L.S. Stodieck, M. Vellone, S. Williams, J. deLuis, W. Feenstra, J.C. Parrish, S. Pretorius, L. Sun, S. Dyble, N. Searby, D. Vandendriesche (2006): " Single Loop for Cell Culture (SLCC) – Development and Spaceflight Qualification of a Perfusion Cell Culture System", SAE-paper 2006-01-2212, International Conference Environmental Systems (ICES), July 2006, Norfolk, Virginia.

2005

A. Hoehn, J.M. Clawson, C. Higgins, J. Jairala, P. Journey-Kahler, J. Lee, L. Stodieck (2005): “Carbon Dioxide Scrubbers for Controlling the Gaseous Composition of Spaceflight Plant Growth Chambers – Design Trades and Test Results”, SAE-paper 2005-01-2954, International Conference Environmental Systems (ICES), July 2005, Rome, Italy.

A. Hoehn, J.M. Clawson, J.B. Freeman, L.S. Stodieck (2005): "Temperature and Humidity Control Capabilities and Limitations of a Spaceflight Plant Growth Chamber", SAE-paper 2005-01-2845. International Conference Environmental Systems (ICES), July 2005, Rome, Italy.

J.M. Clawson and A. Hoehn (2005): “Stress-Accelerated Photodegradation of Space-Rated Flexible Transparent Films Exposed to Mars Surface UV”. SAE-paper 2005-01-2775, International Conference Environmental Systems (ICES), July 2005, Rome,

J.M. Clawson and A. Hoehn (2005): “Global Estimates of the Photosynthetically Active Radiation at the Mars Surface”. SAE-paper 2005-01-2813. International Conference Environmental Systems (ICES), July 2005, Rome, Italy.

J.M. Clawson A. Hoehn and R.M. Wheeler (2005) “Inflatable Transparent Structures for Mars Greenhouse Applications”. SAE-paper 2005-01-2846. International Conference Environmental Systems (ICES), July 2005, Rome, Italy.

2004

A. Hoehn, D.M. Klaus, L.S. Stodieck (2004) "A Modular Suite of Hardware Enabling Space Flight Cell Culture Research", Journal of Gravitational Physiology, Vol. 11(1), pp. 39-50.

H.D. Seelig, D. Klaus, L.S. Stodieck, A. Hoehn (2004) "Non-contact measurement methods of detecting plant water stress for space flight growth chamber application". SAE paper 2004-01-2455, International Conference Environmental Systems, Colorado Springs, July 2004.

A.G. Heyenga, L.S. Stodieck, A. Hoehn, M. Kliss, C. Blackford (2004) "Approaches in the Design of a Space Plant Cultivation Facility for Arabidopsis Thaliana", SAE-paper 2004-01-2459, International Conference Environmental Systems (ICES), Colorado Springs, July 2004.

2003

A. Hoehn, J. Clawson, T. Geissinger, W. Kalinowski, J. Pineau, P. Scovazzo (2003): “Design, Testing and Operation of Porous Media for Dehumidification and Nutrient Delivery in Microgravity Plant Growth Systems”. SAE-paper 2003-01-2614, 32^nd International Conference Environmental Systems (ICES), July 2003, Vancouver, Canada.

A. Hoehn, M. Sampson, H. Seelig, L. Stodieck, A.G. Heyenga (2003): “Spaceflight Plant Science Integration, Testing and Functional / Compatibility Verification”. SAE-paper 2003-01-2480, 32^nd International Conference On Environmental Systems (ICES), July 2003, Vancouver, Canada.

A. Hoehn, J. Clawson, J. Freeman, J. Genova, K. Gifford, L. Stodieck (2003): “Thermal Design of a Spaceflight Plant Chamber Payload”. SAE-paper 2003-01-2583, 32^nd International Conference On Environmental Systems (ICES), July 2003, Vancouver, Canada.

J. Clawson, A. Hoehn, K. Maute (2003): “Materials for Transparent Inflatable Greenhouses, SAE-paper 2003-01-2326, 32^nd International Conference On Environmental Systems (ICES), July 2003, Vancouver, Canada.

S. Woodard, C. Goulart, M. Rupert, A. Hoehn (submitted for 2003): “Performance of the STARS Life Science Payload”, SAE-paper 2003-01-2530, 32^nd International Conference On Environmental Systems (ICES), July 2003, Vancouver, Canada.

2002

Simmons, D., Benoit, M., Freeman, J., Genova, J and Hoehn, A. (2002) "Designing Fluid Handling Systems for Space Life Science Experimentation", SAE Technical Paper No. 2002-01-2281. Presented at the International Conference On Environmental Systems ICES), San Antonio, TX, USA; July 15-18, 2002.

Goulart, C., Rupert, M., Woodard, S., Hoehn, A. (2002) “Habitat Development in Support of Small Scale Biological & Biochemical Space Experiments.” SAE Technical Paper No. 2002-01-2282. 31st International Conference On Environmental Systems (ICES), San Antonio, TX, USA; July 15-18, 2002.

2001

Scovazzo, P., Illangasekare, T.H., Hoehn, A., and Todd, P. (2001): “Modeling of two-phase flow in membranes and porous media in microgravity as applied to plant irrigation in space”. Water Resources Res. 37(5): 1231-1243.

Stodieck, L., Hoehn, A., and Klaus, D. (2001) “Commercial Space Life Sciences Research: Opportunities and Challenges on the International Space Station” in Proceedings of the AIAA Conference on ISS Utilization, AIAA-2001-4911.

2000

Clawson, J.M., Hoehn, A., Stodieck, L.S., Todd, P., and Stoner, R.J. (2000) “Re-examining aeroponics for spaceflight plant growth.” Society of Automotive Engineers Technical Paper Series, No. 2000-01-2507, 30th International Conference on Environmental System, Toulouse, France; July 9-13, 2000.

Clawson, J.M., Hoehn A., Stodieck, L., Todd, P. and Cadogan, D. (2000) “Optimizing the structural subsystem of the AG-Pod crop production unit.” Society of Automotive Engineers Technical Paper Series, No. 2000-01-2477, 30th International Conference on Environmental System, Toulouse, France; July 9-13, 2000.

Heyenga, A.G. Forsman, A. Stodieck, L.S., Hoehn, A. and Kliss, M. (2000) “Approaches in the Determination of Plant Nutrient Uptake and Distribution in Space Flight Conditions,” Advances in Space Research, 26(2): 299-302.

Heyenga A.G., Hoehn, A., Stodieck, L. and Kliss, M. (2000), “The design of a mechanized seed sowing system for space flight application” Society of Automotive Engineers Technical Paper Series, No. 2000-01-2506, 30th International Conference on Environmental Systems, Toulouse, France; July 9-13, 2000.

Hoehn A., Stodieck, L. Clawson, J., Robinson, E., Seelig, H., Heyenga, A.G., and Kliss, M. (2000) “Atmosphere control of spaceflight plant growth chambers” Society of Automotive Engineers Technical Paper Series, No. 2000-01-2232, 30th International Conference on Environmental Systems, Toulouse, France; July 9-13, 2000.

Hoehn, A., Scovazzo, P., Stodieck, L., Clawson, J., Kalinowski, W., Rakow, A. Simmons, D., Heyenga, A.G. and Kliss, M. (2000) “Microgravity Root Zone Hydration Systems” Society of Automotive Engineers Technical Paper Series, No. 2000-01-2510, 30th International Conference on Environmental Systems, Toulouse, France; July 9-13, 2000.

Kliss, M., Heyenga, A.G., Hoehn, A. and Stodieck, L.S. (2000) “Recent Advances in Technologies Required for a Salad Machine” Advances in Space Research, 26(2): 263-269.

Kliss, M., Heyenga, A.G., Hoehn, A., and Stodieck, L.S. (2000) “Towards the development of a Salad Machine" Society of Automotive Engineers Technical Paper Series, No. 2000-01-2476, 30th International Conference on Environmental Systems, Toulouse, France; July 9-13, 2000.

Wells, B., Hoehn, A. and Levine, H. (2000) “Collaborative development of a spaceflight experiment comparing two plant nutrient delivery systems” Society of Automotive Engineers Technical Paper Series, No. 2000-01-2509, 30th International Conference on Environmental Systems, Toulouse, France; July 9-13, 2000.

Wessling, F.C., Stodieck, L.S., Hoehn, A., Woodard, S., and Thomas, S. (2000) “Low temperature, low energy carrier (LoTec) and phase change materials (PCMS) for biological samples” Society of Automotive Engineers Technical Paper Series, No. 2000-01-2506, 30th International Conference on Environmental Systems, Toulouse, France; July 9-13, 2000.

1999

Hoehn, A., Clawson, J.M., Heyenga, A.G., Scovazzo, P., Sterrett, K.S., Stodieck, L.S., Todd, P., and Kliss, M.H. (1999) Mass transport in a spaceflight plant growth chamber. SAE 1998 Transactions / J. of Aerospace. 107(1). Also: Society of Automotive Engineers Technical Paper Series, No. 1998-1553, 29th International Conference on Environmental Systems, Denver, Colorado, USA, July 1998.

Hoehn, A., Clawson, J.M., and Stodieck, L.S. (1999). “AG Pod - The Integration of Existing Technologies for Efficient, Affordable, Space Flight Agriculture“. Proceedings, ICES 1999, Denver, SAE paper 1999-01-2176.

Hoehn, A., Freeman, J.B., and Stodieck, L.S. (1999). “Incubator Designs for Space Flight Application - Optimization and Automation“. Proceedings, ICES 1999, Denver, SAE paper 1999-01-2177.

1998

Hoehn, A., Clawson, J.M., Heyenga, A.G., Scovazzo, P., Sterrett, K.S., Stodieck, L.S., Todd, P., and Kliss, M.H. (1998) Mass transport in a spaceflight plant growth chamber. SAE Technical Paper Series 98-1553.

Scovazzo, P., Burgos, J., Hoehn, A., and Todd, P. (1998) Hydrophilic membrane-based humidity control. J. Membrane Sci., Oct 14, 1998, 149(1): 69-81.

Stodieck, L.S., A. Hoehn and A.G. Heyenga, (1998) Space Flight Research Leading to the Development of Enhanced Plant Products: Results from STS-94, IN: Space Technology and Applications International Forum (STAIF-98); Proceedings of the 2nd Conference on Applications of Thermophysics in Microgravity and 3rd Conference on Commercial Development of Space, Albuquerque, NM, Jan. 25-29, 1998. Pt. 2 (A98-21318 04-12), Woodbury, NY, American Institute of Physics (AIP Conference Proceedings, No. 420), 1998, p. 578-585. Publisher: American Institute of Physics (AIP Conference Proceedings, No. 420), Woodbury, NY. Contract: NAGW-1197.

Morgenthaler, George W; Boston, P; Hoehn, A; Horner, M; McMillen, K; Meyer, T; Stodieck, L (1998): BioTox: A biologically-based soil toxicity instrument. In: Proc Int Conf Expos Eng Construct Opr Space, ASCE, Reston, VA, (USA), 1998, pp. 22-28. The 1998 6th International Conference and Exposition on Engineering Construction, and Operations in Space, Albuquerque, NM, USA, 04/26-30/98.

1997

Hanna, D.S., M.B. Horner, H. Ashraf, and A. Hoehn (1997): Optimizing and Integrating Thermal Control Systems for Space Life Sciences Hardware. SAE paper 97-2543, 27th International Conference on Environmental Systems ICES, July 14-17, 1997, Lake Tahoe.

Hoehn, A., D.J. Chamberlain, S.W. Forsyth, D.S Hanna, G. Heyenga, M.B. Horner, M.H. Kliss, P. Scovazzo, L.S. Stodieck, P.W. Todd (1997). On-orbit and Ground Performance of the PGBA Plant Growth Facility. SAE paper 97-2366, 27th International Conference on Environmental Systems ICES, July 14-17, 1997, Lake Tahoe.

Hoehn, A., D.J. Chamberlain, S.W. Forsyth, D.S. Hanna, M.B. Horner, P. Scovazzo, J.D. Smith, L.S. Stodieck, P. Todd, A.G. Heyenga, M.H. Kliss, R. Bula and R. Yetka (1997): "10 Day Flight Performance of the Plant Generic BioProcessing Apparatus (PGBA) Plant Growth Facility Aboard STS-77". In: Proceedings, Space Technology & Applications International Forum (STAIF-97) - Conference on Applications of Thermophysics in Microgravity, 1st and Conference on Commercial Development of Space, 2nd, Albuquerque, NM, Jan. 26-30, 1997, Proceedings. Pt. 2 (A97-26032 06-12), Woodbury, NY, AIP Press (AIP Conference Proceedings, No. 387), 1997, p. 1005-1010.

Horner, M. Hoehn, A., Scovazzo, P., Ashraf, H. and Hanna, D. (1997) "Optimizing and Integrating Thermal Control Systems for Space Life Sciences Hardware", SAE Paper no. 97-2543, presented at The 27th International Conference on Environmental Systems, Lake Tahoe, NV, July 14-17, 1997.

Scovazzo, P., P. Todd, J. Burgos, N. Lattarulo and A. Hoehn. (1997). Membrane-based humidity control in microgravity: A comparison of membrane materials and design equations. SAE Technical Paper Series 972275.

1996

Heyenga, A.G., A. Hoehn, D.J. Chamberlain, J.D. Smith, M.H. Kliss, P.W. Todd, and L.S. Stodieck (1996): "Growth and Development of Plants in the Plant Generic BioProcessing Apparatus on Shuttle Flight STS-77". Annual Meeting, American Society of Gravitational and Space Biology. In: Gravitational and Space Biology Bulletin 10(1), p. 34.

1995

Adams, W.W. III; Hoehn, A.; Demmig-Adams, B. “Chilling temperatures and the xanthophyll cycle. A comparison of warm-grown and overwintering spinach.” Australian journal of plant physiology. {Melbourne, Commonwealth Scientific and Industrial Research Organization. Vol.22, no. 1 (1995): p. 75-85.

Fleet ML, Simske SJ, Hoehn A, Schmeister TA, Luttges MW. “An autonomous module for supporting mice during spaceflight.” Microgravity Sci Technol. 1995 May;8(1):62-67.

1994

Abts, K. J., Dittmer, L. N., Hoehn, A. and Luttges, M. W. (1994) Stress-Produced Ethylene Effects on Alfalfa, Clover, and Lettuce Seedlings Grown for One and Two Weeks in Microgravity. 10th Annual Meeting, American Society of Gravitational and Space Biology, ASGSB, October 20-23, 1993. ASGSB Bulletin 8(1): p. 15.

Hoehn, A., Luttges, M. W. and Stodieck, L. S. (1994) Plant-Module for Autonomous Space Support (P-MASS). Advances in Space Research, 14(11), p. 53-60.

Hoehn, A., Kliss, M. H., Luttges, M. W., Robinson, M. C. and Stodieck, L. S. (1994) P-MASS and P-GBA: Two New Hardware Designs for Growing Plants in Space. 24th International Conference on Environmental Systems, ICES. SAE-94-1545.

Hoehn, A., Luttges, M. W. and Stodieck, L. S. (1994) Seed Germination and Early Plant Morphology- Results from Three Microgravity Missions. 24th International Conference on Environmental Systems (ICES) SAE-94-1545.

1993

Faller, M. K., Hoehn, A. and Luttges, M. W. (1993) The Effect of Various Light Sources and Intensities on Chlorella Growth Rates. 9th Annual Meeting, American Society of Gravitational and Space Biology, ASGSB, October 20-23, 1993. ASGSB Bulletin 7(1): 66.

Hoehn, A. (1993) Effects of Gravity and Light on Plant Growth and Performance in Normal and Reduced Gravity. Doctoral Thesis, University of Colorado, Boulder.

Hoehn, A. and Luttges, M. W. (1993) Seed Germination and Early Plant Development of Alfalfa, Clover and Lettuce Seeds in Space. 9th Annual Meeting, American Society of Gravitational and Space Biology, ASGSB, October 20-23, 1993. ASGSB Bulletin 7(1), p. 66.

Shah S, Faller WE, Hoehn A, Birdsong M, Luttges MW. “Characterization of fluid distribution through a porous substrate under dynamic g conditions.” Biomed Sci Instrum. 1993;29:401-408.

1992

Faller, M. K., Abrahamson, K. S., Hoehn, A. and Luttges, M. W. (1992) The Competing Effects of Light versus Gravity Stimulation on Growth Orientation of Lettuce, Alfalfa, and Clover. 8th Annual Meeting, American Society of Gravitational and Space Biology, ASGSB, October 24-27, 1992. ASGSB Bulletin 6(1), p. 38.

Hoehn, H. K.S. Abrahamson, S. Gomez, M. Voorhees, and M.W. Luttges (1992) Seed Germination and Early Plant Development onboard STS-50 / USML-1, ASGSB Bulletin (6)1: 38

Hoehn, A., Gomez, S. and Luttges, M. W. (1992): The Lunar CELSS Test Module. AIAA paper 92-1094, AIAA, Aerospace Design Conference, Irvine, CA, Feb. 3-6, 1992. 9 p. Research supported by NASA and Universities Space Research Association.

Hoehn, A., Luttges, M. W., Stodieck, L. S. and Kliss, M. H. (1992) Design and Evaluation of a Payload to Support Plant Growth Onboard COMET 1. 22nd International Conference on Environmental Systems, ICES, July 13-16, 1992. SAE-92-1389.

Hoehn, A., Simske, S. J. and Luttges, M. W. (1992) P-MASS - The Plant-Module for Autonomous Space Support Onboard COMET 1. Proceedings, International Conference on Life Support and Biospherics, February 18-20, 1992. pp. 579-588.

Luttges, M. W., Stodieck, L. S. and Hoehn, A. (1992) Plant Module for Autonomous Space Support. World Space Congress - Book of Abstracts, Session F4.1-M1.09, p. 593.

Shah, S., Hoehn, A., Faller, W. E., Birdsong, M. and Luttges, M. W. (1992) A Plant Nutrient Monitoring System (PNMS). 8th Annual Meeting, American Society of Gravitational and Space Biology, ASGSB, October 24-27, 1992. ASGSB Bulletin 6(1), p. 36.

Simske, S. J. Luttges, M. W., and Hoehn, A. (1992) ‘The A-MASS - The Animal-Module for Autonomous Space Support Onboard COMET 1. Proceedings, International Conference on Life Support and Biospherics, February 18-20, 1992. pp. 589-598.

1991

Dittmer, Laura N., Drews, Michael E., Lineaweaver, Sean K., Shipley, Derek E., Hoehn, Alexander (1991): A lunar base reference mission for the phased implementation of bioregenerative life support system components [Final Report]. NASA-CR-189973; NAS 1.26:189973. Contract: NASW-4435.

Faller, M. K., Hoehn, A. and Luttges, M. W. (1991) Light Emitting Diodes as an Alternative Light Source for Algal Systems. 7th Annual Meeting, American Society of Gravitational and Space Biology, ASGSB, October 17-20, 1991. ASGSB Bulletin 5(1), p. 60.

1990

Luttges, Marvin W., Johnson, A. Steve, Faller, William E., Hoehn, Alex (1990): A robotic return to the moon. IN: Engineering, construction, and operations in space II; Proceedings of Space 90, the Second International Conference, Albuquerque, NM, Apr. 22-26, 1990. Vol. 2 (A91-27576 10-12). New York, American Society of Civil Engineers, 1990, p. 1015-1024. NASA-supported research.

Hoehn, A. and Luttges, M. W. (1990) The CU Salad Machine: Key Technologies for Plant Production in Space. 6th Annual Meeting, American Society of Gravitational and Space Biology, ASGSB, November 2-5, 1990. ASGSB Bulletin 4(1), p. 69.

Hoehn, A. and Luttges, M. W. (1990) Tuning the Efficiencies of Plant Lighting Systems - From Primary Energy to Edible Biomass: The LED as an Alternative Light Source. Proceedings, 4th European Symposium Life Sciences Research in Space, ESA-SP-307, pp. 449-454.

1989

Faller, W; Hoehn, A; Johnson, S; Moos, P; Wiltberger, N (1989): CIS-lunar space infrastructure lunar technologies: Executive summary [Final Report]. NASA-CR-186220; NAS 1.26:186220. Contract: NASW-4435.

Hoehn, A. and Luttges, M. W. (1989) LED- A Challenging Opportunity for Artificial Plant Lighting. 5th Annual Meeting, American Society of Gravitational and Space Biology, ASGSB Bulletin 3(1), p. 80.

Alex Hoehn • Home Page • Professional: Research • Academic • Resume • Publications • Personal: Interests • Photo Album • Link
Page last updated on 12 October 2006