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Speckle fields generated by E. coli M-17 suspension No. 2 loaded in microvials of multichannel planar chip with 8 vials after 10 min of observation (a); speckle fields generated by the suspension of E. coli without an antibiotic (b); and the same as b with ceftriaxone, 20 mg/mL (c). Arrows show the enlarged images of the corresponding cells.
