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X-RAY RUNS: Apply for Beamtime

2017  Nov 1 - Dec 21

2018  Feb 7 - Apr 3
2018  Proposal/BTR deadline: 12/1/17

2018  Apr 11 - Jun 4
2018  Proposal/BTR deadline: 2/1/18

Issue No. 15
The frenetic pace characterizing CHESS since the renewal in April of 2014 is continuing into 2015. CHESS implemented the new on-line proposal system for the third running period of 2014 and users submitted over 200 general user proposals. This created a significant strain on our reviewers, schedulers and our safety committee. Please keep in mind that, under the new proposal review system, users can simply submit a "beamtime request" using an existing proposal; it does not need to go out to review each time (the deadline for early review and scheduling consideration is March 10).

We once again thank the user community for their patience as we commission our new undulators and x-ray optics. These upgrades both increase CHESS's scientific capabilities and improve the quality of data collected at CHESS. It is quite gratifying to see that the undulator is shattering international x-ray flux records at G-line. With improved x-ray optics scheduled to be installed later this year, those numbers will be pushed even further.

The Users' Executive Committee is in the final stages of picking speakers for this June's Users' Meeting. Please put the dates on your calendar (June 9, 10). Workshop titles and invited speakers will be announced shortly. Note the deadline for the student paper prize. Each year, the outstanding quality of the student research papers and the presentations by the winners is astonishing.

Finally, please note that User Office is beginning a "lab notes" section in our monthly eNewsletter to help keep everyone up to date on procedures, streamline check-in, and so on.



February 4 - 24   &   March 4 - April 7

May 27 - July 14
Proposals due 3/10/15; Beamtime Requests due 4/15/15

October 7 - December 8




June 9 - 10




March 6    

Many ancient inscriptions on stones have been worn and weathered, and the original text is no longer visible. Scanning X-ray fluorescence imaging of chemical tracing elements on epigraphy has been used to... more »
Unlike their free-floating counterparts, membrane-embedded proteases are not so well known. Urban and coworkers were surprised to find that the speed at which the GlpG protease works depends not so much on the structure of its active site, but more on how hard it is to get there... more »
We often consider bystanders and spectators unimportant, however in chemical reactions they can make a difference, as shown in a recent paper by David Moore and coworkers... more »
CHESS is pleased to congratulate one of our new principal investigators for 2014, Professor Aaron Stebner from the Colorado School of Mines, for being the recent recipient of a NSF Career award... more »
Thanks to the installation of two canted undulators last Novemberboth G1 and G3 have recently achieved best-ever photon fluxes in the last several months, despite temporary operation at reduced current... more »
Xraise has been playing an active role in coordinating learning activities addressing the engineering design standards featured in the Next Generation Science Standards. Working with pK-12 educators in the local Ithaca City School District and beyond, Xraise is serves as a resource... more »
LAB NOTES: February 2015

The CHESS Users office will now be issuing all radiation badges to CHESS users, Monday through Friday from 8 am to 4:30 pm. When you arrive at CHESS for beamtime please go directly to the CHESS Users office located on the 2nd floor Wilson lab to be badged (follow the signs for CHESS Reception). For users arriving after these hours or on the weekends, please go to CHESS Ops for check-in and badging.  CHESS ops is located on the first floor of Wilson Lab.


Please excuse our construction. The loading dock door used by CHESS users and staff to enter and exit the building from the first floor will have construction going on in the interior corridor.  Users may still use this area for loading and unloading and liquid nitrogen fills.  Please minimize the amount of foot traffic through this area and be aware of construction signage. 

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The Cornell High Energy Synchrotron Source (CHESS), a national user facility, is supported by the National Science Foundation and the National Institutes of Health/National Institute of General Medical Sciences under NSF award DMR-1332208. CHESS is operated and managed for the National Science Foundation by Cornell University.
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