Looking At Nothing

Looking At Nothing

A SA(X)S Weblog

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What my life has been like the last few months...

The traveling salesman.

2018-11-25 Brian Pauw 0

[Ed: Due to the impeding end of the hosting organization, there will be some changes in the place where this site is run. I’ll have […]

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CC0-licensed cheesy image of collaboration from: https://pxhere.com/en/photo/1445429

In need of good SAXS? You can now collaborate with us (like a mini-“large facility”)!

2018-09-19 Brian Pauw 2

If you are in need of good small- or wide-angle X-ray scattering insights to further your projects, I am happy to say that we can […]

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Accelerated learning and (MAUS) development through collaborations

2018-08-31 Brian Pauw 2

[update 7th of September: intensity units on the graph have been corrected] Synchrotron staff have known for years, but collaborations really drive progress. Since first […]

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Size distributions from analysis of the SAXS and USAXS data, in blue and red, respectively. Scaling factor between the two datasets determined by eye.

SAXS and USAXS, and smearing in McSAS

2018-08-06 Brian Pauw 2

We got some initial results of the sequential SAXS/USAXS experiments we did at Diamond*I22 earlier this year, measuring one of Zoë Schnepp‘s carbon catalysts. Unique […]

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Comparison between unweighted averaging of multiple datasets (red curve, left), and an uncertainty-based datapoint weighted average (red curve, right)

Throwing uncertainties into the bin

2018-06-20 Brian Pauw 0

With our new machine, we now have overlapping datasets recorded over several Q-ranges. Ideally, we’d be merging or “binning” these datasets into a beautiful long […]

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Detection Limit estimation worksheet.

Handy sheet for calculating SAXS detection limits

2018-06-05 Brian Pauw 2

When researchers ask if we can measure their samples, the usual, unsatisfying answer is: “It depends…”. That’s because the detectablity of their dispersed scatterers depends […]

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Zoomed-in area on an Eiger detector showing cosmic rays collected over 12h.

Detectors for good SAXS

2018-04-22 Brian Pauw 1

A few questions have come up via the blog asking what kind of detector would be helpful for getting good SAXS measurements. Having worked with […]

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I22s long tube would have needed to be 10x longer to measure the USAXS range...

USAXS to extend your range

2018-03-22 Brian Pauw 3

A while ago, I had the pleasure of enjoying the hospitality of the wonderful people at the i22 beamline at the Diamond Light Source in […]

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Register your samples: it's the Law! (own image, released under CC-BY license)

Measurement workflow experiments: logbooks first

2018-02-28 Brian Pauw 1

The trip to Diamond to test the USAXS instrument was a 7-day science bliss. Upon returning, however, stacks of work remained to be done. Moreover, […]

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"Diamond Light Source", by Sven Festersen. CC-BY-NC-SA licensed. Souce: https://www.flickr.com/photos/sven_festersen/12388888593/

of USAXS at Diamond, PR-releases, and SAS2018

2018-02-01 Brian Pauw 1

Just some short messages for today: I’ll be at Diamond (beamline I22) from the 2nd to the 10th of February, to play around with the […]

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Brian's Tweets

Brian R. Pauw Ⓥ
  • I doubt this is the case anymore, I see increasingly refined all-Chinese products coming out of there. Same develop… https://t.co/R9uVHcwM3J 08:01:35 PM January 17, 2021
  • That too https://t.co/m8sB1gCAT4 06:01:42 PM January 17, 2021
  • Kids school does this EVERY WEEK! https://t.co/WVaRL3UmHG 05:14:44 PM January 17, 2021
  • RT @BasKromhout: Wat heeft keihard discrimineren op nationaliteit te maken met 'onbewuste' vooroordelen? En wat ik echt zou willen weten:… 09:04:26 AM January 17, 2021
  • RT @PearsonElaine: The virus does not discriminate in who it infects, but the government of Israel is discriminating in who it chooses to i… 08:53:23 AM January 17, 2021

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