Workshop Descriptions

Workshop 1
Workshop 2
Workshop 3
Workshop 4
Workshop 5
Workshop 6

Workshop 1: Introduction to the Advanced Photon Source

Dean Haeffner, organizer
Tuesday, May 2, 2000; 8:30 am-Noon

This workshop is designed to introduce new or inexperienced users to the radiation properties and potential applications of the APS. The first lecture will provide an overview of the unique properties of synchrotron radiation at the APS. The remaining speakers will highlight a variety of different synchrotron radiation techniques and provide background information for other workshops at the meeting.

8:30 a.m. Introduction to the Advanced Photon Source: General overview
Dean Haeffner, Advanced Photon Source, Argonne National Laboratory
9:15 a.m. Industrial Applications of Synchrotron Radiation
John Quintana, Northwestern University
10:00 a.m. Refreshments
10:30 a.m. Biological Studies with Synchrotron Radiation
Tom Irving, Illinois Institute of Technology
11:15 a.m. Synchrotron Radiation Research Techniques in Geosciences
Mark Rivers, Department of the Geophysical Sciences and Consortium for Advanced Radiation Sources, The University of Chicago


Workshop 2: Biological Studies for the 21st Century
Jack Johnson and Janet Smith, organizers

Tuesday, May 2, 2000;
Part 1: 8:30 am-11:30 pm
Part 2: 2:00 pm-4:30 pm

Advances in synchrotron radiation have been a major driving force in the improved speed and quality, as well as the dramatically increased complexity, of structural biology studies in recent years. This workshop will highlight a variety of current studies dependent on various properties of synchrotron radiation. Presentations will include solution and single-crystal studies of viruses, moderate- and high-resolution studies of other large macromolecular complexes, a variety of multiwavelength applications, as well as high-throughput studies involving recent advances in robotics for crystal manipulations, data collection, and structure determination. Speakers will provide a mix of biologically relevant results and technical features of the beamlines and apparatus that allowed the experiments to be performed.

Part 1: Janet Smith and Sean McSweeney, co-chairs
8:30 a.m. Solution and Single-Crystal Small-Angle Diffraction from Biological Systems
Hiro Tsuruta, Stanford Synchrotron Radiation Laboratory, SLAC, Stanford University
9:15 a.m. Structures of Mature and Intermediate Forms of a dsDNA Bacteriophage Capsid
William Wikoff, The Scripps Research Institute
10:00 a.m. Refreshments
10:30 a.m. Single Wavelength Anomalous Diffraction Phasing Revisited: A Generally Applicable Phasing Method?
Luke Rice, Yale University
11:15 a.m. Crystallographic Studies of the Cores of Reovirus
Karin Reinisch, Harvard University
12:00 noon Lunch
Part 2: Janet Smith and Karen Reinisch, co-chairs
1:30 p.m. Intentional Oxidation of Selenomethionine in Proteins
Andrew Sharff, Cambridge University
2:15 p.m. High-Throughput Crystallography for Structural Genomics
Michael Soltis, Stanford University
3:00 p.m. Refreshments
3:30 p.m. MAD Phasing of the Signal Recognition Particle Using Synchrotron Radiation
Robert Rambo, Yale University
4:15 p.m. Concerning the X-ray Radiation Damage of Crystalline Biological Samples
Sean McSweeney, EMBL-Grenoble Outstation


Workshop 3: Probing Dynamics with X-rays
John Hill, Dennis Mills, and Ron Pindak, co-organizers

Tuesday, May 2, 2000;
Part 1: 8:00 am-Noon
Part 2: 1:00 pm-2:30 pm

Understanding a system's fluctuations near equilibrium and/or the evolution of that system from one state to another is a challenging area of research for physical scientists/engineers and life scientists alike. Using the high brilliance of third-generation hard x-ray sources, techniques such as pump/probe, use of coherent x-rays, and inelastic x-ray scattering have recently been developed and are now in routine use. These new tools are allowing researchers to access time scales covering more than 10 orders of magnitude, from nanoseconds to kiloseconds. Presentations in this workshop will cover the applications of the above-mentioned techniques to both fundamental and applied problems.

8:00 a.m. Welcome and Opening Remarks
Dennis Mills, Advanced Photon Source, Argonne National Laboratory
Correlation Spectroscopy
8:15 a.m. Equilibrium Dynamics in the Non-Diffusive Regime of an Entangled Polymer Blend
Dirk Lumma, Massachusetts Institute of Technology
8:50 a.m. X-Ray Photon Correlation Spectroscopy Studies of Binary Fluids and Polymer Mixtures
Steven Dierker, University of Michigan, Ann Arbor, Michigan
9:25 a.m. Dynamics Beyond Brownian Motion in Colloidal Suspensions
Gerhard Gruebel, European Synchrotron Radiation Facility
10:00 a.m. Refreshments
Inelastic Scattering
10:15 a.m. Nuclear Resonant Scattering at the APS
Wolfgang Sturhahn, Advanced Photon Source, Argonne National Laboratory
10:50 a.m. Viscoelastic Behavior of Water in the THz-Frequency Range: An Inelastic X-Ray Scattering Study
Giulio Monaco, European Synchrotron Radiation Facility
11:25 a.m. Inelastic X-Ray Scattering as a Probe of Novel Insulators
M. Zahid Hasan, Stanford University and Bell Laboratories/Lucent Technologies
12:00 noon Lunch
Real-Time Measurements
1:00 p.m. Time-Resolved Studies of Fuel Spray
Christopher F. Powell, Advanced Photon Source, Argonne National Laboratory
1:35 p.m. Time-Resolved Surface Diffraction Study of Oxide Film Growth Dynamics During Pulsed Laser Deposition
Jon Tischler, Oak Ridge National Laboratory
2:10 p.m. Workshop Summary
Jon Hill, Brookhaven National Laboratory and Ronald Pindak, Bell Laboratories / Lucent Technologies


Workshop 4: APS Innovations in Instrumentation
Ian McNulty, organizer

Tuesday, May 2, 2000; 1:00 pm-4:00 pm

This workshop is being dedicated to Tuncer Kuzay, whose work in high-temperature engineering has enabled all of the innovation in instrumentation described in the workshop to take place.

Great strides have been made in the development of high-performance instrumentation at the Advanced Photon Source and other x-ray synchrotron radiation facilities through remarkable developments in methods for acquiring and analyzing experimental data. These innovations have dramatically improved the spatial, spectral, and temporal resolution achievable in a variety of modern synchrotron radiation experiments. This workshop will focus on several of these exciting and productive new developments.

1:00 p.m. Tunch Kuzay - My Friend and Colleague
Ercan Alp, Advanced Photon Source, Argonne National Laboratory
1:10 p.m. X-Ray Beam Chopper Development at the APS
Armon McPherson, Advanced Photon Source, Argonne National Laboratory
1:40 p.m. A Motion Control Mechanism for a High-Resolution X-Ray Monochromator
Deming Shu, Advanced Photon Source, Argonne National Laboratory
2:10 p.m. X-Ray Fluorescence Analysis Using Microprobes with Zone Plate Optics
Joerg Maser, Advanced Photon Source, Argonne National Laboratory
2:40 p.m. Magnetic Domains Mapping
George Srajer, Advanced Photon Source, Argonne National Laboratory
3:10 p.m. Spectromicroscopy: Acquisition and Analysis of Data in (X,Y, Energy)
Angelika Osanna, SUNY, Stony Brook
3:40 p.m. A Quasi-Realtime X-Ray Microtomography System at the APS
Steve Wang, Advanced Photon Source, Argonne National Laboratory


Workshop 5: Environmental Studies
Neil Sturchio, organizer

Thursday, May 4, 2000; 1:30 pm-5:00 pm

The past few years have witnessed exciting developments in the application of synchrotron radiation to problems in the broad area of environmental science. The brilliance of third-generation radiation sources has led to significant improvements in spatial resolution and in detection limits for dilute elements in imaging and microspectroscopy applications (e.g., soils, microbes, macromolecules). The higher critical energy of these sources allows an expanded range of in situ measurements of mineral-fluid systems and tomography of thick samples (e.g., organic thin films, inclusions in opaque minerals). The high flux of these sources enables enhanced time resolution for studying dynamic processes (e.g., adsorption, dissolution, precipitation). This workshop will give examples of some recent highlights and will forecast new directions for synchrotron radiation applications in environmental science. It will conclude with a discussion of the potential new environmental science sector to be developed at APS.

1:30 p.m. Probing the Mineral-Fluid Interface with X-Rays
Paul Fenter, Argonne National Laboratory
2:00 p.m. The Fate of Zinc in Soils: A Journey in Time and Reciprocal Space
Alain Manceau, University of Grenoble
2:30 p.m. What Happens to Sulfate When It Reacts with Iron-Oxide Surfaces?
Satish Myneni, Princeton University
3:00 p.m. Refreshments
3:15 p.m. XANES and EXAFS Studies of Aqueous Zn Precipitation on Hydrous Ferric Oxide
Glenn A. Waychunas, Lawrence Berkeley National Laboratory
3:45 p.m. Spatially Resolved Studies of Chemically Heterogeneous Earth Materials
Stephen Sutton, The University of Chicago
4:15 p.m. X-Ray Microscopy and Spectroscopy Investigations of the Contaminant-Bacterium Interface
Kenneth Kemner, Argonne National Laboratory
4:45 p.m. The Role of Synchrotrons in Environmental Geoscience and Human Welfare
Joseph Smith, The University of Chicago
5:15 p.m. Discussion


Workshop 6: Microbeam Techniques and Applications
Peter Eng and Steve Heald, co-organizers

Thursday, May 4, 2000; 1:30 pm-5:00 pm

During the past few years, the high brilliance of third-generation synchrotron sources has provided new opportunities for x-ray microanalysis. This workshop will explore techniques of producing and using microbeams, as well as applications that exploit the characteristics of these sources. The talks will cover a wide cross-section of optics such as refractive lenses, zone plates, and microfocusing mirrors, along with a variety of measurement approaches such as mapping of fluorescence, spectroscopic and scattering signals, and transmission and fluorescence tomography. Applications will cover problems in materials science, environmental science, space science, condensed matter physics, and paleontology. The aim of this workshop is to be informative to both experts and non-experts interested in incorporating novel x-ray microanalysis tools into their research programs.

1:30 p.m. Refractive X-Ray Lenses: Properties and Applications in Microanalysis, Imaging, and Coherent Scattering
Christian G. Schroer, Physikalisches Institut, Aachen, Germany
2:05 p.m. Fluorescence Microanalysis Using a Zone-Plate-Based Microprobe
Barry Lai, Advanced Photon Source, Argonne National Laboratory
2:40 p.m. Microfluorescence Imaging and Tomography
Matthew Newville, The Consortium for Advanced Radiation Sources, The University of Chicago
3:15 p.m. Refreshments
3:50 p.m. X-Ray Microtomography of Two-Phase Materials: Sandpiles, Crumpled Membranes, and Dinosaur Bones
Gerald Seidler, University of Washington
4:25 p.m. Three-Dimensional-Microstructure Investigation Using Microbeams
Bennett Larson, Oak Ridge National Laboratory