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Junghee Han,Hesson Chung,Jong-Hwa Lee,Jeong-Eun Suh,Gab-Soo Lee,Jong-Choon Kim,Boo-Hyon Kang 한국독성학회 2004 Toxicological Research Vol.20 No.1
The present study was conducted to investigate the single and 2-week repeated dose toxicity of DHP2, a hydrophobic drug delivery vehicle, in ICR mice. The test article was administered orally to mice at the dose levels of 2.5, 12.5 and 37.5 g/kg for single dose toxicity study and at the dose levels of 0, 2.5, 5, and 10 g/kg for repeated dose toxicity study. In both studies, there were no treatment-related effects on mortality, clinical signs, food and water consumption, ophthalmoscopy, urinalysis, hematology, serum biochemistry, necropsy findings and organ weights of all animals<br/> treated DHP2. Based on these results, it was concluded that the 2-week repeated oral dose of DHP2 may have no toxic effect in mice at a dose level of 10 g/kg. In the condition of this study, the no-observed-adverse-effect level (NOAEL) was considered to be 10 g/kg/day for both sexes.
6.6 kW On-Vehicle Charger with a Hybrid Si IGBTs and SiC SBDs Based Booster Power Module
Han, Timothy Junghee,Preston, Jared,Ouwerkerk, David The Korean Institute of Power Electronics 2013 JOURNAL OF POWER ELECTRONICS Vol.13 No.4
In this paper, a hybrid booster power module with Si IGBT and Silicon Carbide (SiC) Schottky Barrier Diode (SBDs) is presented. The switching characteristics of the hybrid booster module are compared with commercial Silicon IGBT/Si PIN diode based modules. We applied the booster power module into a non-isolated on board vehicle charger with a simple buck-booster topology. The performances of the on-vehicle charger are analyzed and measured with different power modules. The test data is measured in the same system, at the same points of operation, using the conventional Si and hybrid Si/SiC power modules. The measured power conversion efficiency of the proposed on-vehicle charger is 96.4 % with the SiC SBD based hybrid booster module. The conversion efficiency gain of 1.4 % is realizable by replacing the Si-based booster module with the Si IGBT/SiC SBD hybrid boost module in the 6.6 kW on-vehicle chargers.
Junghee Han,Hesson Chung,Jong-Hwa Lee,Jeong-Eun Suh,Gab-Soo Lee,Jong-Choon Kim,Boo-Hyon Kang 한국독성학회 2004 Toxicological Research Vol.20 No.2
The present study was conducted to investigate the single and 2-week repeated dose toxicity of DHP2, a hydrophobic drug delivery vehicle, in ICR mice. The test article was administered orally to mice at the dose levels of 2.5, 12.5 and 37.5 g/kg for single dose toxicity study and at the dose levels of 0, 2.5, 5, and 10 g/kg for repeated dose toxicity study. In both studies, there were no treatment-related effects on mortality, clinical signs, food and water consumption, ophthalmoscopy, urinalysis, hematology, serum biochemistry, necropsy findings and organ weights of all animals<br/> treated DHP2. Based on these results, it was concluded that the 2-week repeated oral dose of DHP2 may have no toxic effect in mice at a dose level of 10 g/kg. In the condition of this study, the no-observed-adverse-effect level (NOAEL) was considered to be 10 g/kg/day for both sexes.