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. 2021 Sep 9;8(Pt 6):878–895. doi: 10.1107/S2052252521008125

Table 2. Parameters for the mix-and-inject experiments.

Concentrations of ceftriaxone (CEF) and sulbactam (SUB) are shown as were flowed through the outer capillary line of the mixing injectors. Time delays are achieved after mixing in a constriction as per Calvey et al. (2019 ▸).

  Water SUB CEF CEF CEF
Δt m (ms) (10) 66 5 10 50
Ligand concentration (mM) — 100 200 200 200
Ligand buffer — 0.8 M AP pH 4.6 0.8 M AP pH 4.6 0.8 M AP pH 4.6 0.8 M AP pH 4.6
Ligand flow (µl min−1) 74.5 54.5 76.7 74.5 71.8
Crystal flow (µl min−1) 5.5 11.6 3.3 5.5 8.2
Mixing injector capillary internal diameter (µm) 50 75 50 50 75
Constriction length (mm) 17.8 36.1 9.3 17.8 36.1
Timing uncertainty (ms) — 9.3 1.8 3.0 10.4
Experimental time to collect the data set (min) 50 56 138 250 32