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Chiu YC, Chou SH, Liu JT, Lin CH. 
“The bioactivity of 2,5-dimethoxy-4-ethylthiophenethylamine 2C-T-2 and its detection in rat urine by capillary electrophoresis combined with an on-line sample concentration technique”. 
J Chromatogr B Analyt Technol Biomed Life Sci. 2004 Nov 03;811(2):127-33.
The bioactivity of 2,5-dimethoxy-4-ethylthiophenethylamine 2C-T-2 on nitric oxide NO production and the proliferation of spleen and thymus lymphocytes to mitogen stimulation in mice are reported for the first time. NO production by T and B lymphocytes in spleen and T cells in the thymus of mice decreased after the oral administration of 2C-T-2. This indicates that 2C-T-2 intake may perturb both neural and immune activity since a decrease in NO production is indicative of a weakened defense function. 2C-T-2 the parent drug in rat urine samples was detected by means of capillary electrophoresis/UV absorbance combined with an on-line sample concentration technique. When the CZE and MEKC modes were employed, the detection limit was found to be 4.5 and 5.0 microg/mL at a 92.1 confidence level whereas when on-line sample concentration methods, including stacking and sweeping-micellar electrokinetic chromatography were used, the detection limits were improved to 19.2 and 9.1 ng/mL, respectively. In an analysis of some actual samples from animal experiments, three male rats were administered 20 microg/g of body weight of 2C-T-2 by intra-peritoneal injection. The first- and second-day urine fractions were collected after the administration, for use in the analysis. As a result, 2.9 microg/mL and 0.25 microg/mL of 2C-T-2, respectively, were detected after ingestion of the doses.
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