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. 2021 Jan 1;11(3):1147–1161. doi: 10.7150/thno.52197

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[¹⁸F]F-DPA PET/CT imaging and spinal cord autoradiography. (A) Design of the [¹⁸F]F-DPA study. (B) Representative [¹⁸F]F -DPA PET/CT images and standardized uptake ratio (SUV_r) values. Images are summed over 40 - 60 min after injection. (C) Quantification of [¹⁸F]F-DPA uptake in the region of interest (ROI) (T11-T13) in the vehicle group and OEC group. (D) Representative [¹⁸F]F-DPA autoradiography images. (E) Quantitative analysis of the photostimulated luminescence (PSL/pixel) ratios in the ROI of the vehicle group and OEC group. *p < 0.05, **p < 0.01.