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"Discovery of Natural Perchlorate in the Antarctic Dry Valleys and its Global Implications"
S. P. Kounaves, S. T. Stroble, R. M. Anderson, Q. Moore, D. C. Catling, S. Douglas, C. P. McKay, D. W. Ming, P. H. Smith, L. K. Tamppari, A. P. Zent, Environ. Sci. Technol., 2010, In Press Abstract
"A Perchlorate Brine Lubricated Deformable Bed Facilitating Flow of the North Polar Cap of Mars: Possible Mechanism for Water Table Recharging", D. A. Fisher, M.H. Hecht, S. P. Kounaves, and D. C. Catling , J.
Geophys. Res., 2010, 115, doi:10.1029/2009JE003405, In press. Abstract.- Full
Text PDF
"Wet Chemistry Experiments on the 2007 Phoenix Mars Scout Lander: Data Analysis and Results"
S. P. Kounaves, M. H. Hecht, J. Kapit, K. Gospodinova, L. DeFlores, R. C. Quinn,
W. V. Boynton, B. C. Clark, D. C. Catling, P. Hredzak, D. W. Ming, Q. Moore, J. Shusterman,
S. Stroble, S. J. West, and S. M. M. Young,. J.
Geophys. Res., 2010, 115, E00E10, doi:10.1029/2008JE003084 Abstract.- Full
Text PDFg
"Atmospheric origins of perchlorate on Mars and in the Atacama", D. C. Catling, M. W. Claire, K. J. Zahnle, R. C. Quinn, B. C. Clark, M. H. Hecht,
and S. P. Kounaves, J.
Geophys. Res., 2010, 115, E00E11, doi:10.1029/2009JE003425 Abstract.- Full
Text PDF
"Detection of Perchlorate and the Soluble Chemistry of Martian Soil at the Phoenix Lander Site"
M. H. Hecht, S. P. Kounaves, R. C. Quinn, S. J. West, S. M. M. Young, D. W. Ming, D. C. Catling, B. C. Clark, W. V. Boynton, J. Hoffman, L. P. DeFlores, K. Gospodinova, J. Kapit, and P. H. Smith
Science, 2009, 325, 64-67. Abstract - Full Text PDF
"Evidence for Calcium Carbonate at the Mars Phoenix Landing Site" W. V. Boynton, D. W. Ming,
S. P. Kounaves, S. M. M. Young, R. E. Arvidson, M. H. Hecht, J. Hoffman, P. B. Niles, D. K. Hamara, R. C. Quinn, P. H. Smith, B. Sutter, D. C. Catling, and R. V. Morris, Science, 2009, 325, 61-64. Abstract - Full
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"H2O at the Phoenix Landing Site" P. H. Smith, L. K. Tamppari, R. E. Arvidson, D. Bass, D. Blaney, W. V. Boynton, A. Carswell, D. C. Catling, B. C. Clark, T. Duck, E. DeJong, D. Fisher, W. Goetz, H. P. Gunnlaugsson, M. H. Hecht, V. Hipkin, J. Hoffman, S. F. Hviid, H. U. Keller, S. P. Kounaves, C. F. Lange, M. T. Lemmon, M. B. Madsen, W. J. Markiewicz, J. Marshall, C. P. McKay, M. T. Mellon, D. W. Ming, R. V. Morris, W. T. Pike, N. Renno, U. Staufer, C. Stoker, P. Taylor, J. A. Whiteway, and A. P. Zent, Science, 2009, 325, 58-61. Abstract - Full
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"The MECA Wet Chemistry Laboratory on the 2007 Phoenix Mars Scout Lander" S. P. Kounaves, M. H. Hecht, S. J. West, J. Morookian, S. M. M. Young, R. Quinn, P. Grunthaner, X. Wen, M. Weilert, C. A. Cable, A. Fisher, K. Gospodinova, J. Kapit, S. Stroble, P. Hsu, B. C. Clark, D. W. Ming, and P. H. Smith , J.
Geophys. Res., 114, 2009, E00A19, doi:10.1029/2008JE003084. Abstract - Full
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"Possible physical and thermodynamical evidence for liquid water
at the Phoenix landing site", N. O. Renno, B. J. Bos, D. C. Catling, B. C. Clark, L. Drube,
D. Fisher, W. Goetz, S. F. Hviid, H. U. Keller, J. F. Kok,
S. P. Kounaves, K. Leer, M. Lemmon, M. B. Madsen,
W. J. Markiewicz, J. Marshall, C. McKay, M. Mehta,
M. Smith, M. P. Zorzano, P. H. Smith, C. Stoker,
and S. M. M. Young, J.
Geophys. Res., 114, 2009, E00E03, doi:10.1029/2009JE003362. Abstract - Full
Text PDF
"Introduction to special section on the Phoenix Mission: Landing Site Characterization Experiments, Mission Overviews, and Expected Science" P.H. Smith, L. Tamppari, R. E. Arvidson, D. Bass, D. Blaney, W. Boynton, A. Carswell, D. Catling, B. Clark, T. Duck, E. DeJong, D. Fisher, W. Goetz, P. Gunnlaugsson, M. Hecht, V. Hipkin, J. Hoffman, S. Hviid, H. Keller, S. Kounaves, C. F. Lange, M. Lemmon, M. Madsen, M. Malin, W. Markiewicz, J. Marshall, C. McKay, M. Mellon, D. Michelangeli, D. Ming, R. Morris, N. Renno, W. T. Pike, U. Staufer, C. Stoker, P. Taylor, J. Whiteway, S. Young, and A. Zent, J.
Geophys. Res., 2008, 113, E00A18, doi:10.1029/2008JE003083. Abstract - Full
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"Effects of the Phoenix Lander Descent Thruster Plume on the Martian Surface" D. H. Plemmons, B. C. Clark, S. P. Kounaves, L. L. Peach, N. O. Renno, L. Tamppari, and S. M. M. Young, J.
Geophys. Res.,2008, 113, E00A11, doi:10.1029/2007JE003059. Abstract - Full
Text PDF
"Life on Mars may be hidden like Earth’s extremophiles" S. P. Kounaves, Nature, 2007, 449, 281.
Full Text PDF
"Microbial Detection Array (MDA) - Unambiguous Detection of Microbial Metabolic Activity in Astrobiology Applications", A. Hoehn, K. L. Lynch, J. Clawson, J. B. Freeman, J. Kapit, S. M. M. Young, S. P. Kounaves, and I. I. Brown, SAE Proceedings, ICES 2007, International Conference On Environmental Systems, Proceedings, Chicago, IL, USA, 2007, SAE Document
No. 2007-01-3190 . Abstract - Full Text PDF
"Dissolved Sulfate Analysis on the 2007 Phoenix Mars Mission", S. P. Kounaves, S. M. M. Young, J. A. M. Kapit, and The Phoenix Team", Martian Sulfates Conference, Houston, TX, USA, 2006, Abstract No. 7020. Abstract
"Analysis
of Simulated Martian Regolith Using an Array of Ion Selective
Electrodes", S. R. Lukow and S.P. Kounaves, Electroanalysis,
2005, 17, 1441-49. Abstract - Full
Text PDF
“Detecting
Heavy Metals in Solution Using E-Tongue 3 REDOX Water Quality
Sensors on the International Space Station”, Gregory M. Kuhlman,
D. Keymeulen, M. G. Buehler, and S. P. Kounaves, 2004 IEEE
Aerospace Conference Proceedings, Vol. 1, 2004,
363-377. Abstract
- Purchase
Full Text
"Mars
Surveyor Program '01 Mars Environmental Compatibility Assessment
Wet Chemistry Lab: A Sensor Array for Chemical Analysis of
the Martian Soil", S.
P. Kounaves, S. R. Lukow, B. P. Comeau, M. H. Hecht, S. M.
Grannan-Feldman, K. Manatt, S. J. West, X. Wen, M. Frant,
and T. Gillette, J.
Geophys. Res., 2003, 108(E7), 5077-89. Abstract
- Full Text PDF
"Electrochemical
Approaches for Chemical and Biological Analysis on Mars"
S. P. Kounaves, ChemPhysChem, 2003, 4,
162-168. Abstract
- Full Text PDF
"Planar
REDOX and Conductivity Sensors for ISS Water Quality Measurements",
M. G. Buehler, G. M. Kuhlman, D. Keymeulen, N. Myung, and
S. P. Kounaves, 2003 IEEE Aerospace Conference Proceedings,
Vol. 2, 2003, 535-550. Abstract
- Full
Text PDF
"Planar
Arrays Redox Cells and pH Sensors for ISS Water Quality and
Microbe Detection", M. G. Buehler, G. M. Kuhlman, D.
Keymeulen, N. Myung, S. P. Kounaves, D. Newnam, and D. Lies,
SAE Proceedings, International Conference on Environmental
Systems, Vancouver BC, Canada, 2003, SAE Document
No. 2003-01-2553. Abstract
- Full
Text PDF
"Geochemical
Analysis on Mars" S.P. Kounaves and M.H. Hecht, Geochimica
Cosmochimica Acta, 2002, 66, A413. Abstract
- Full
Text PDF
"Determination
of Geochemistry on Mars Using an Array of Electrochemical
Sensors", S.P.Kounaves, M.G. Buehler, M.H. Hecht, and S. West,
in Environmental Electrochemistry: Analyses of Trace Element
Biogeochemistry, M. Taillefert and T.F. Rozen (Eds) ACS
Symposium Series, Vol. 811, American Chemical Society, Washington,
DC, 2002, pp.306-19.
Abstract
- Full
Text PDF
"Microbial
Life Detection With Minimal Assumptions", S. P. Kounaves, R.A.
Noll, M.H. Hecht, M.G.Buehler, K. Lankford, S. West, in "Instruments,
Methods and Missions for Astrobiology IV", R.B.Hoover, G.L.Levin,
R.P. Paepe, A.Y.Rozanov (Eds), SPIE Proceedings, Vol. 4495,
137-144, 2002. Full Text PDF
Preprint
"Advanced
Electronic Tongue Concept", M.G. Buehler, G.M. Kuhlman,
D. Keymeulen and S.P. Kounaves, 2002 IEEE Aerospace Conference
Proceedings, Vol.1, 2002, 407-416. Abstract
"Voltammetric
Measurement of Arsenic in Natural Waters", R. Feeney and S.P.
Kounaves, Talanta, 2002 58, 23-31.
Abstract
- Full
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"Designing
A Water Quality Monitor Using an Array of ISEs", M.G.
Buehler, S.P. Kounaves, D.P. Martin, S.J. West, and G.M. Kuhlman,
2001 IEEE Aerospace Conference Proceedings, 2001,
Vol.1, 331-338. Abstract - Full
Text PDF
"Ultramicroelectrode
Arrays Modified With Ionomer-Entrapped Silica Films as Potential
Voltammetric Sensors for Cu, Pb and Se", S. P. Kounaves,
O.Y. Nadzhafova, V. Tarasov, and S. H. Tan, Analytical Sciences
(Supplement - Proceedings of IUPAC ICAS 2001), 17, 2001,
1031-33. Full Text PDF
"Rapid
On-Site Analysis of Arsenic in Groundwater using a Microfabricated
Gold Ultramicroelectrode Array", R. Feeney and S. P. Kounaves,
Anal.Chem., 2000, 72, 2222-2228.
Abstract
- Full
Text PDF
"Microfabricated
Ultramicroelectrode Arrays: Developments, Advances, and Applications
in Environmental Analysis", R. Feeney and S. P. Kounaves, Electroanalysis,
2000, 12, 677-84.
Abstract
- Full
Text PDF
"The
Source of the Anomalous Cathodic Peak During ASV with In Situ
Mercury Film Formation in Chloride Solutions", M. A. Nolan and
S. P. Kounaves, Electroanalysis, 2000, 12,
96-99.
Abstract
- Full
Text PDF
"Adsorptive
Stripping Analsis of Trace Nickel at Iridium-Based Ultramicroelectrode
Arrays", J. Wang, J. Wang, W. K. Adeniyi, and S. P. Kounaves,
Electroanalysis, 2000, 12, 44-47.
Abstract
- Full
Text PDF
"Measuring
the Chemical Potential of the Martian Regolith to Generate and
Sustain Life", S. P. Kounaves, M. G. Buehler, and K. R. Kuhlman,
in Workshop on Mars 2001: Integrated Science in Preparation
for Sample Return and Human Exploration (Eds: J. Marshal,
C. Weitz), LPI Contribution 991, Lunar and Planetary Institute,
Houston, 1999, pp 61. Full
Text PDF
The
Mars Environmental Compatibility Assessment (MECA) Wet Chemistry
Experiment on the Mars '01 Lander", S. M. Grannan, M. Frant,
M. H. Hecht, S.P. Kounaves, K. Manatt, T. P. Meloy, W. T. Pike,
W. Schubert, S. West, X. Wen, in Workshop on Mars 2001: Integrated
Science in Preparation for Sample Return and Human Exploration
(Eds: J. Marshal, C. Weitz), LPI Contribution 991, Lunar and
Planetary Institute, Houston, 1999, pp 41-42. Full
Text PDF
"Determination
of Heterogeneous Electron Transfer Rate Constants at Microfabricated
Iridium Electrodes", R.Feeney and S. P. Kounaves, Electrochemistry
Communications, 1999, 1, 453-458.
Abstract
- Full
Text PDF
"Electrochemistry
on Mars", S.J. West, M.S. Frant, X. Wen, R. Geis, J. Herdan,
T. Gillette, M. H. Hecht, W. Schubert, S. Grannan, S.P. Kounaves,
American Laboratory, 1999, 20, 48-54.
Abstract
- Full
Text PDF
"Microfabricated
Array of Iridium Microdisks as a Substrate for Direct Determination
of Cu2+ or Hg2+using Square Wave Anodic
Stripping Voltammetry", M. Nolan and S. P. Kounaves, Anal.Chem.,
1999, 71, 3567-3573.
Abstract
- Full
Text PDF
"Effects
of Chloride Ion Concentration on Mercury(I) Chloride Formation
During Ex Situ and In Situ Mercury Deposition
with Selected Electrode Substrates and Electrolytes", M. A.
Nolan and S. P. Kounaves, Anal. Chem., 1999, 71,
1176-82.
Abstract
- Full
Text PDF
"Failure
Analysis of Microfabricated Ir-Ultramicroelectrodes in Chloride
Media", M. A. Nolan and S. P. Kounaves, Sensors & Actuators
B, 1998, 50, 117-124.
Abstract
- Full
Text PDF
"Effects
of Mercury Electrodeposition on the Surface of Microlithographically
Fabricated Ir Ultramicroelectrodes", M. A. Nolan and S.
P. Kounaves, J. Electroanal. Chem. 1998, 453,
39-48.
Abstract
- Full
Text PDF
"Determination
of Selenium(IV) at a Microfabricated Gold Ultramicroelectrode
Array Using SWASV", S. Tan and S.P.Kounaves, Electroanalysis,
1998, 10, 364-68.
Abstract
- Full
Text PDF
"Analytical
Characterization of Microlithographically Fabricated Ir-Based
Ultramicroelectrode Arrays", R. Feeney, J. Herdan, M. Nolan,
S.Tan, V. Tarasov, and S. P. Kounaves, Electroanalysis,
1998, 10, 89-93.
Abstract
- Full
Text PDF
"Field
Evaluation of an Electrochemical Probe for In-Situ Determination
of Heavy Metals in Ground Water", J. Herdan, R. Feeney, S. P.
Kounaves, A. F. Flannery, C. W. Storment, G. T. A. Kovacs, and
R. B. Darling, Env. Sci. & Technol., 1998,
32, 131-136.
Abstract
- Full
Text PDF
"Electrochemistry
of the Copper-Nickel Series of Heteropolymetallic Complexes
(µ4-O)(N,N-diethylnicotinamide)4Cu4-x(Ni(H2O))xCl6
(x = 0 - 4)", B.Workie, C. E. Dubé, M. L. Aksu, S.P.Kounaves,
A.Robbat, and G. Davies, J. Chem. Soc. Dalton Trans.,
1997, 10, 1739-45.
Abstract
-
Full Text PDF
"Fabrication
and Characterizaton of a Solid State Reference Electrode for
Electroanalysis of Natural Waters with Ultramicroelectrodes",
M. A. Nolan, S. H. Tan, and S. P. Kounaves, Anal.Chem.,
1997, 69, 1244-47.
Abstract
- Full
Text PDF
"Voltammetric
Techniques", S.P. Kounaves in Handbook
of Instrumental Techniques for Analytical Chemistry,
F.A.Settle (Ed.) Prentice Hall PTR, Upper Saddle River, NJ,
1997
"Microfabricated
Electrochemical Analysis System for Heavy Metal Detection"
R. J. Reay, A. F. Flannery, C. W. Storment, S. P. Kounaves,
and G. T. A. Kovacs, Sensors and Actuators B, 1996,
34, 450-55.
Abstract
- Full
Text PDF
"Electrodeposition
of Metal Alloy and Mixed Oxide Films Using A Single-Precursor
Tetranuclear Copper-Nickel Complexes", C. E. Dubé, B.
Workie, S.P.Kounaves, A. Robbat, M. L. Aksu, and G. Davies,
J.Electrochem.Soc., 1995, 142, 3357-65.
Abstract
-
Full Text PDF
"Microfabricated
Electrochemical Analysis System for Heavy Metal Detection",
R.J. Reay, C.W.Storment, A.F.Flannery, S.P. Kounaves, and G.T.A.
Kovacs, Transducers'95-Eurosensors IX, Proc. 8th International
Conference on Solid-State Sensors & Actuators, Digest
of Technical Papers 1995, pp. 932-34, (IEEE Cat. No.
95TH8173) Full
Text PDF
"Determination
of Aromatic Nitriles Using Enzyme-Based Selectivity Mechanisms:
2 - A Nitrilase Modified Glassy Carbon Microelectrode Sensor
for Benzonitrile ", T. Z. Liu, Y. Wang, S.P. Kounaves and E.J.
Brush, Anal Chem. , 1995, 67, 1679-83.
Abstract
- Full
Text PDF
"Microfabricated
Heavy Metal Ion Sensor", G. T. A. Kovacs, C. W. Storment, and
S. P. Kounaves, Sensors and Actuators B, 1995,
23, 41-47.
Full Text PDF
"An
Integrated CMOS Potentiostat for Miniaturized Electroanalytical
Instrumentation", R.J.Reay, S.P.Kounaves and G.T.A.Kovacs, 1994
IEEE International Solid State Circuits Conference, Digest
of Technical Papers, 1994, pp. 162-63, (Cat.No.
94CH3410-8)
"An
Iridium-Based Ultramicroelectrode Array Fabricated by Microlithography
", S. P. Kounaves, W. Deng, P. R. Hallock, G. T. Kovacs, and
C. Storment, Anal.Chem. , 1994, 66, 418-423.
Abstract
- FullText
PDF
"Determination
of Aromatic Nitriles Using Enzyme-Based Selectivity Mechanisms:
1 - An Ammonia GSE Based Sensor for Benzonitrile", Z. Liu, Y.
Wang, S.P. Kounaves and E.J. Brush, Anal.Chem., 1993,
65, 3134-3136.
Abstract
- Full
Text PDF
"Analytical
Utility of the Iridium-Based Mercury Ultramicroelectrode with
Square Wave Anodic Stripping Voltammetry", S. P. Kounaves and
W. Deng, Anal.Chem., 1993, 65, 375-379.
Abstract
- Full
Text PDF
"Pseudopolarography
at the Mercury Hemisphere Ultramicroelectrode: Theory and Experiment",
S.P.Kounaves, Anal.Chem., 1992, 64, 2998-3003.
Abstract
- Full
Text PDF
"Acquisition
and Presentation of 3D Chromatovoltammographic Data", S. P.
Kounaves and D. D Lu, Computers & Chem., 1992,
16, 29-33.
"The
Effect of Electrode Surface Morphology on Square Wave Current
Response", S. P. Kounaves and W. Deng, J.Electroanal.Chem.,
1991, 306, 111-124.
"Fabrication
and Characterization of an Iridium Based Mercury Ultramicroelectrode",
S. P. Kounaves and W. Deng, J.Electroanal.Chem., 1991,
301, 77-85.
"Iridium
Based Ultramicroelectrodes: Development and Use in Electrochemical
Analysis" S. P. Kounaves, Platinum Metals Rev., 1990,
34, 131-134.
"Carbon
Fiber Electrode Cell for Square Wave Voltammetric Detection
of Biogenic Amines in HPLC", S. P. Kounaves and J. B. Young,
Anal.Chem., 1989, 61, 1469-1472.
Full
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"An
Iridium Based Mercury Film Electrode: Part-II Comparison of
Hg-Film Electrode Behaviors: Theory vs Reality", S. P. Kounaves
and J. Buffle, J.Electroanal.Chem., 1988, 239,
113-123.
"Square
Wave Anodic Stripping Voltammetry at the Mercury Film Electrode
: Theoretical Treatment", S. P. Kounaves, J. O'Dea, P. Chandrasekhar
and J. Osteryoung, Anal.Chem., 1987, 59,
386-389.
Full
Text PDF
"An
Iridium Based Mercury Film Electrode: Part-I Selection of Substrate
and Preparation", S. P. Kounaves and J. Buffle, J.Electroanal.Chem.,
1987, 216, 53-69.
"Square
Wave Voltammetry at the Mercury Film Electrode: Theoretical
Treatment", S.P.Kounaves, J. O'Dea, P. Chandrasekhar and J.
Osteryoung, Anal.Chem., 1986, 58, 3199-3202.
Full
Text PDF
"Deposition
and Stripping Properties of Mercury on Iridium Electrodes",
S. P. Kounaves and J. Buffle, J.Electrochem.Soc., 1986,
133, 2495-2498.
"Study
of the Formation of True Mercury Films for Electroanalytical
Applications to Speciation", S. P. Kounaves, PhD(DSc) Thesis,
Universite de Geneve, 1985 Full
Text PDF
"The
Importance of Concentration Effects at the Electrode Surface
in Anodic Stripping Voltammetric Measurements of Metal Ion Complexation
at Natural Water Concentrations", A. M. Almeida Mota, J. Buffle,
S.P. Kounaves and M. L. Simoes Goncalves, Anal.Chim.Acta,
1985, 172, 13-30.
"Stripping
Polarography and the Reduction of Copper(II) in Sea Water at
the HMDE", A. Zirino and S. P. Kounaves, Anal.Chim.Acta,
1980, 113, 79-90.
"Studies
of Cadmium-Ethylenediamine Complex Formation in Sea Water by
Computer Assisted Stripping Polarography", S. P. Kounaves and
A. Zirino, Anal.Chim.Acta, 1979, 109, 327-339.
"Rapid
Determination of Titration Alkalinity of Sea Water by Equilibration
with CO2", R. S. Keir, S. P. Kounaves and A. Zirino,
Anal.Chim.Acta, 1977, 91, 181-188. Full Text PDF Abstract
"Anodic
Stripping Peak Currents : Electrolysis Potential Relationships
for Reversible Systems", A. Zirino and S. P. Kounaves, Anal.Chem.,
1977, 49, 56-59.
Full
Text PDF
PATENTS
Total Organic Carbon Analyzer (TOC), S. P. Kounaves, US Patent No. 7,632,393 Issued 12/15/09, International Patent WO-03104765 Issued 12/18/2003 Full Text PDF
Microfabricated Array of Iridium Microdisks for Determination
of Cu(II) & Hg(II), S. P. Kounaves and M. A. Nolan, Patent
No. 6,527,930 Issued March 4, 2003. USPTO
Full-Text
Iridium-Based
Mercury Microelectrode Array Sensor for Heavy Metals, S. P.
Kounaves, G. T. Kovacs, and C.W. Storment, Patent No. 5,378,343
Issued January 1, 1995 USPTO
Full-Text
Metals,
Metal Alloys, and Metal Oxide Formation by Electrodeposition
of Polymetallic Complexes, S. P. Kounaves, A. Robbat, and G.
Davies, Patent No.5,277,789 Issued January 11, 1994 USPTO
Full-Text
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