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COPLANAR WAVEGUIDE-형 LiNbO$_{3}$ 광변조기 전극설계 및 분석
김성구,윤형도,윤대원,유용택 대한전자공학회 1995 전자공학회논문지-A Vol.32 No.12
In this paper, methods of designing CPW(coplanar waveguide) traveling-wave electrodes are described and their properties are discussed. Especially, the effect of buffer layer thickness to the microwave characteristics of the CPW electrodes are studied in detail. The trade-off relationship between buffer layer thickness and electro-optical properties of the devices are clearly revealde. The microwave characteristics and driving voltage can be further improved by using selected parameters suggested in this paper. To reduce time and effort in designing CPW electrode structure, exact analytical models are proposed.
Mass Production of HzSNPV Baculoviruses in Immobilized Heliothis zea (HzAM1) Insect Cell Culture
김성구,Jeong Hwa Son,라이너부콜츠 한국생물공학회 2004 Biotechnology and Bioprocess Engineering Vol.9 No.5
Heliothis zea (HzAM1) insect cells were immobilized in microspheres by sodium-cellulosesulfate (NaCS) and polydiallyldimethylammoniumchloride (PDADMAC). The highest HzAMl cell density was 7.5 107 cells/mL in the microspheres. After infection of the immobilized cells by Heliothis zea single nuclear polyhedrosis virus (HzSNPV), the highest concentration of HzSNPV (polyhedral inclusion bodies: PIBs) produced was 2.87 1010 PIBs/mL in the microspheres.