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Figure 3
Assembly of two-dimensional diffraction patterns. Full datasets are collected by the use of two beamstops that are oriented at 90° to each other. The vertical streaks are X-ray scatter from the continuous column of liquid leaving the nozzle gas aperture. Photons detected outside of those streaks originate from the particles within the buffer solution. Photons scattered off the nozzle tip form a bright horizontal streak to the right of the beamstop. Many patterns are averaged and data from opposing beamstops are merged to give the final dataset on the right. This process is not necessary for particles with isotropic scattering patterns but becomes essential if the particles scatter non-isotropic and are aligned.

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