(a) X-CHIP with 24 wells mounted on a goniometer, reproduced under a Creative Commons License (https://creativecommons.org/licenses/by/2.0) from Kisselman et al.57 Copyright © Kisselman et al. 2011. (b) Droplet-based microfluidic device for Laue diffraction on in situ grown glucose isomerase crystals, reproduced under a Creative Commons License (https://creativecommons.org/licenses/by/2.0) from Heymann et al.58 Copyright © Michael Heymann et al. 2014. (c) On-chip counter diffusion chip (A), and channels with crystals of thaumatin (B), bovine insulin (C), a plant virus (D) and turkey egg-white lysozyme (E). Reproduced from Dhouib et al.59 with permission from The Royal Society of Chemistry. (d, e) High density multi-crystal grids with in situ tray, reproduced under a Creative Commons License (https://creativecommons.org/licenses/by/2.0) from Baxter et al.60