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Intravesical Immunotherapy in Superficial Bladder Tumor
김청수 가톨릭 의과학연구원 2003 가톨릭 의과학연구원 국제학술대회 Vol.7 No.-
현재 방광 내 BCG 주입요법이 표재성 방광암의 재발 및 진행 예방과 치료에 가장 효과적이나 BCG 불응성 표재성 방광암이나 BCG 부작용이 심한 경우에 그 외다양한 면역치료가 효과적이라는 연구 결과가 나오고 있다. 하지만 아직까지 만족할 만한 결과나 장기 추적 연구가 미흡하여 더욱 다양한 임상 연구가 필요하다고 생각된다.
유전체의 전자기 과도산란 해석을 위한 시간영역 결합 적분방정식
김청수,안현수,박재권,정백호 대한전기학회 2004 전기학회논문지C Vol.53 No.12-C
In this paper, we present a time domain combined field integral equation (TD-CFIE) formulation to analyze the transient electromagnetic response from three-dimensional dielectric objects. The solution method in this paper is based on the method of moments (MoM) that involves separate spatial and temporal testing procedures. A set of the RWG (Rao, Wilton, Glisson) functions is used for spatial expansion of the equivalent electric and magnetic current densities and a combination of RWG and its orthogonal component is used as spatial testing. We also investigate spatial testing procedures for the TD-CFIE to select the proper testing functions that are derived from the Laguerre polynomials. These basis functions are also used for temporal testing. Use of this temporal expansion function characterizing the time variable enables one to handle the time derivative terms in the integral equation and decouples the space-time continuum in an analytic fashion. Numerical results computed by the proposed formulation are presented and compared with the solutions of the frequency domain combined field integral equation (FD-CFIE).
김청수 대한이비인후과학회 2018 대한이비인후과학회지 두경부외과학 Vol.61 No.6
The extracellular matrix (ECM) of the vocal folds cannot be replaced after severe injury, butheal as scars. Scarred vocal folds cause voice problems. Many treatments have been attemptedfor vocal fold scarring, but their effectiveness is limited because the ECM composition doesnot normalize. Therefore, until now the prevention of scar formation has been important. Inthe field of regenerative medicine, cell therapies such as stem cell transplantation, and the implantationof several types of growth factors with or without scaffolds have been used. In thisarticle, we reviewed the published research related to vocal fold regeneration and tried to thinkabout the limitations of current studies and the future direction of treatment.