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If you have questions regarding our facility that are not adequately answered on these webpages or if you spot errors in these webpages, please contact us.

Main Telephone Numbers:

  • 630 252 0549 (Office)
  • 630 252 1818 (Experiment Floor)

Mailing Address:

BioCAT, Sector 18
APS/Argonne National Laboratory
9700 S. Cass Ave.
Argonne, IL 60439-4860

  • Main Contact
    Clareen Krolik Executive Administrator
  • Director
    Tom Irving BioCAT Director
  • Fiber Diffraction Scientific Contacts
    Joseph Orgel Assoc. Director for Fiber Crystallography
    Tom Irving BioCAT Director
  • SAXS/WAXS Scientific Contact
    Liang Guo Beamline Scientist
  • Fluorescence Microprobe Scientific Contact
    Raul Barrea Research Assistant Professor
  • Beamline Technical Contact
    David Gore Beamline Scientist


BioCAT is located at Sector 18, Building 435B, Argonne National Laboratory (see map).

To find your way to the BioCAT facility, try

If the APS locator doesn't work, try these:

Ground transportation

Cab and Limo prices as of 2006/09:
(These are the latest prices available, please check with company directly.)

Alliance Cab Co. (630) 968 1323
(Please give at least 6 hour notice)
From O'Hare: $36.00/person, $6.00 each additional
From Midway: $38.00/person, $6.00 each additional

A-1 Limo (630) 833 3788 or (800) 354 5849
O'Hare: shared ride $39.00, $46.00 (2 people), $53.00 (3), $69.00 (4-6)
Midway: shared ride $43.00, $50.00 (2 people), $57.00 (3), $73.00 (4-6)
Add $10.00 to prices after 11:00 pm

United Limo (630) 969 3865
O'Hare: shared ride $27 (during business hours)
Midway: shared ride $42 (+$10 per additional person)