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Figure 3 | Molecular Pain

Figure 3

From: Abnormal nociception and opiate sensitivity of STOP null mice exhibiting elevated levels of the endogenous alkaloid morphine

Figure 3

Characterization of morphine in mouse brain extracts. Morphine qualification was performed in selected reaction monitoring (SRM) mode with the following transitions: m/z 286.2 → 165.1 (see also additional file 1). SRM trace of the specific transition for morphine in A: standard samples of morphine (50, 100, 500 and 1000 fmol); B: WT brain animals and C: STOP null brain animals.

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