Download MendeleyA microfluidic flow-focusing device for low sample consumption serial synchrotron crystallography experiments in liquid flow.
Monteiro, D.C.F., Vakili, M., Harich, J., Sztucki, M., Meier, S.M., Horrell, S., Josts, I., Trebbin, M.(2019) J Synchrotron Radiat 26: 406-412
- PubMed: 30855249
- DOI: https://doi.org/10.1107/S1600577519000304
- Primary Citation of Related Structures:
6H79 - PubMed Abstract:
Serial synchrotron crystallography allows low X-ray dose, room-temperature crystal structures of proteins to be determined from a population of microcrystals. Protein production and crystallization is a non-trivial procedure and it is essential to have X-ray-compatible sample environments that keep sample consumption low and the crystals in their native environment. This article presents a fast and optimized manufacturing route to metal-polyimide microfluidic flow-focusing devices which allow for the collection of X-ray diffraction data in flow. The flow-focusing conditions allow for sample consumption to be significantly decreased, while also opening up the possibility of more complex experiments such as rapid mixing for time-resolved serial crystallography. This high-repetition-rate experiment allows for full datasets to be obtained quickly (∼1 h) from crystal slurries in liquid flow. The X-ray compatible microfluidic chips are easily manufacturable, reliable and durable and require sample-flow rates on the order of only 30 µl h -1 .
Organizational Affiliation:
The Hamburg Centre for Ultrafast Imaging, Universität Hamburg, Luruper Chaussee 149, Hamburg 22761, Germany.
