Searching for Life on Europa from a Spacecraft Lander, 86

Christopher F. Chyba, SETI Institute and Department of Geological and Environmental Sciences, Stanford University

Sample Return from Titan for Exobiology, 91

Christopher McKay, Ames Research Center, National Aeronautics and Space Administration

Planetary Quarantine, 93

John D. Rummel, Office of Space Science, National Aeronautics and Space Administration

SESSION 3:
DETECTING EXTANT LIFE

X-ray Microscopy and the Detection of Life, 105

Chris Jacobsen, Department of Physics and Astronomy, State University of New York, Stony Brook

Characterizing the Intact Microbe-Mineral Interface, 108

William W. Barker and Jillian F. Banfield, Department of Geology and Geophysics, University of Wisconsin, Madison

Single-Polymer Model Detection Using Nanopores, 112

Amit Meller, Rowland Institute at Harvard, and

Daniel Branton, Department of Molecular and Cellular Biology, Harvard University

Extant Life Detection Using Stable Isotopes and Protein-chip Technology , 117

Marilyn L. Fogel, Geophysical Laboratory, Carnegie Institution of Washington

Iron Biominerals as Biomarkers, 123

Joseph L. Kirschvink, Division of Geological and Planetary Sciences, California Institute of Technology Time-of-Flight Mass Spectrometers: Miniaturized Instruments with a Biological Mass Range, 129

Robert J. Cotter, Middle Atlantic Mass Spectrometry Laboratory, Johns Hopkins University School of Medicine

Life Detection Using Molecular Methods, 132

David A. Stahl, Department of Civil and Environmental Engineering, University of Washington

A Robotic-PCR Detector for DNA-based Life on Other Planets, 137

Gary Ruvkun, Harvard Medical School and Massachusetts General Hospital; Michael Finney, MJ Research; Walter Gilbert, Department of Molecular and Cellular Biology, Harvard University; and George M. Church, Department of Genetics, Harvard Medical School

SESSION 4:
DETECTING EXTINCT LIFE

Formation and Preservation of Bona Fide Microfossils, 149

Sherry L. Cady, Department of Geology, Portland State University

Electron-Beam Techniques for Microfossil Characterization, 156

David McKay, NASA Johnson Space Center

Organic Detection, 164

Luann Becker, Department of Geological Sciences, University of California, Santa Barbara

Biomarkers and Biosignatures of Fossil Organic Compounds, 174

J. Michael Moldowan, Department of Geological and Environmental Sciences, Stanford University

Organic Chemistry of Meteorites: Criteria for Abiotic Origins, 180

Sherwood Chang, SETI Institute

Isotopes of Iron: Biomarker Prospects, 187

Ariel D. Anbar, Department of Earth and Environmental Sciences, University of Rochester

Development of In Situ Measurement Techniques for Detecting the Chemical Signatures of Life, 194

Wesley T. Huntress, Jr., Geophysical Laboratory, Carnegie Institution of Washington

Miniaturized In Situ Instruments for Amino Acid Detection on Solar System Bodies, 197

Jeffrey L. Bada, Scripps Institution of Oceanography, University of California, San Diego



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