Figure 2. Images depicting cellular reagents in various stages of preparation and use.

(A) Aliquots of washed protein-expressing bacteria dispensed in 8-strip 0.2-mL tubes. (B) Tubes containing bacterial suspensions placed with their caps open inside a plastic container filled halfway with desiccant pellets. (C) Tightly capped plastic container with open tubes of bacterial suspension and desiccant pellets ready for incubation at 37 °C. (D) Dry cellular reagents after overnight incubation at 37 °C. I Cellular reagents rehydrated in 30 μL of water.