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. 2019 May 24;12:3919–3931. doi: 10.2147/OTT.S201421

Figure 3.

Figure 3

Preparation of Tam-Gel achieves in vivo long-term release of tamoxifen from Tam-Gel in a nude mouse subcutaneous tumor model. Tam-Gel or Tam-Sol was injected into subcutaneous tumors, and tumor tissues were collected at the indicated time-points. Then, tamoxifen sustained in the tumor tissue samples at the indicated time points was determined by LC-MS/MS experiments. For the Tam-Gel injection group, representative LC-MS/MS maps are shown at (A) 0 hours, (B) 12 hours, (C) 24 hours, (D) 48 hours, and (E) 288 hours. For the Tam-Sol injection group, representative LC-MS/MS maps are shown at (F) 0 hours, (G) 12 hours, (H) 24 hours, and (I) 48 hours. (J) Sustained release curve of tamoxifen in Tam-Gel (mean±SD).

Abbreviation: LC-MS/MS, liquid chromatography–tandem mass spectrometry.