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A comparison of measurements of serotonin-induced changes between different techniques. The changes are represented in units of the standard deviation of the measurements. Δ, change upon serotonin addition (after – before); s.d., standard deviation. (A–D) The figures represent measurements obtained from different techniques on PPC111 (A), POPG (B), disordered phase Ld of DEC221 (C), and ordered phase Lo of DEC221 (D). Positive change means order increases upon serotonin incubation.
