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A new user resource for the characterization of complex biological and environmental systems

ABEX, located at Berkeley Lab's Advanced Light Source, is a DOE OBER funded User Facility for X-ray spectroscopic characterization of complex biological and environmental systems using these tools:

  • Soft X-ray absorption spectroscopy
  • X-ray magnetic circular dichroism (XMCD) spectroscopy

ABEX has a instrument development program aimed at providing:

  • New X-ray Endstations
  • Novel high resolution X-ray fluorescence detectors
  • New and efficient sample handing techniques for soft x-ray spectroscopy of sensitive biological materials

ABEX's spectroscopy support laboratory is equipped with the following:

  • UV-visible spectroscopy
  • Electron paramagnetic resonance (EPR) spectroscopy
  • Infrared spectroscopy
  • Resonance Raman spectroscopy
  • Wet biochemistry laboratory, including an anaerobic glove box
  • Instrumentation development laboratory

The long-range goals of ABEX are to provide facilities to understand fundamental processes in biological and environmental biochemistry related to DOE energy-related challenges, to develop soft x-ray spectroscopy techniques, and to cultivate a knowledgeable community of users and programs.


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U.S. Department of Energy
Lawrence Berkeley National Laboratory