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The tossing of caramels is a traditional part of the celebrations on the last day of school. A case in which a 14-year-old boy suffered a secondary posttraumatic hyphaemia induced by a caramel tossed at the patient's left eye is described. The condition remitted spontaneously without loss of eyesight.
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We encountered a case of intractable radial artery graft spasm after stent implantation which was partially responsive to nominal nitroglycerin therapy. We report this case with intravascular ultrasound imaging at the radial artery spasm site.
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Glycyrrhizin (G) and glycyrrhetic acid (GA) were separated by using nano-liquid chromatography (nano-LC) in a fused silica capillary packed with RP18 stationary phase (75 microm ID, effective length 33 cm, packed 23 cm) eluting at 300 nL/min in a gradient mode. The mobile phase was a mixture of water-MeOH-MeCN-acetic acid (29:35:35:1, v/v/v/v) that was delivered for one minute and after this was modified by reducing the water content (14:42.5:42.5:1, v/v/v/v). The intra-day and inter-day relative standard deviations (of retention time and peak area) were satisfactory (lower than 2.9 and 4%, respectively). The linearity of the nano-LC method was assessed in the range 0.62-5.00 microg/mL and 80-200 microg/mL for GA and G, with R2 = 0.996 and 0.995, respectively. The licorice was extracted with a mixture of ethanol-water, diluted with the mobile phase, and injected for the analysis.
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