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박희철,이홍균,Park, Hee-Chul,Lee, Hong-Kyun 대한흉부심장혈관외과학회 1982 Journal of Chest Surgery (J Chest Surg) Vol.15 No.1
Fourteen cases of pericardia I tumor were clinically experienced from June 1966 to July 1981, for 15 years in St. Mary's Hospital, Department of Thoracic and Cardiovascular Surgery, Catholic Medical College. There were three primary tumors of the pericardium, liposarcoma, teratoma and malignant mesothelioma, and 11 metastatic pericardial tumors. In metastatic pericardial tumors, eight were originated from the lung, one was breast, and the other two cases were unknown origin. There were 6 adenocarcinoma, one small cell carcionoma ~nd one alveolar cell carcinoma in 8 cases from the lung, and 5 male and 3 female patients were composed the metastatic pericardial cancer from the lung. In clinical symptoms were dyspnea in all cases, and 9 cases had the generalized edema and enlarged liver size. Six patients had been operated, three of the primary pericardial tumor and three of metastatic pericardial tumor. Two of the primary tumors were cured satisfactorily by the mass removal, but one died due to cardiac arrest at postoperative one day. In metastatic tumors, operation were performed as two pericardial window formation and one left lower lobectomy with pericardial fenestration, but one was died in second operative day. Other nine metastatic tumors were diagnosed by needle biopsy in one case and by cell block of effusion in eight cases.
박희철 불교의례문화 연구소 2021 무형문화연구 Vol.0 No.5
The study examined the aspects of the Buddhist paintings, which are mainly about the historical and cultural values and rituals of Jesus, including the scene of the Buddhist temples.,Through this study, it was found that Jesusjae, which is performed in the field, can be re-decorated by Assan in terms of ritual consciousness, and it is the case of majesty and writing. On the other hand, in the case of Buddhist paintings, the tradition of Buddhist paintings, which have been passed down according to the contents of the ritual houses, was observed, and in the case of Buddhist paintings, the willingness to supplement them in such a direction was confirmed. In other words, in the case of Bongeunsa, it can be seen that the composition of each stage and the discord that is present according to it are made on the same doctrineal basis.,As it is an intangible ritual, each of them left a task that more detailed and religious studies should be conducted. 생전예수재의 설행 현장을 비롯하여 예수재가 지니는 역사적, 문화재적 가치와의례의식을 주 대상으로 하는 각 단 불화의 양상을 살펴보았다. 이러한 연구를 통하여 현장에서 설행되는 예수재는 먼저 의례의식적인 측면에서는 어산에 의해 얼마든지 재차가 꾸며질 수 있고 장엄, 작법 모두 그러함을 알 수 있었다. 반면 불화에 있어서는 대체로 의식집의 내용에 따라 전승되어 온 불화의 전통이지켜지고 있었으며 불비(不備)한 경우에는 그러한 방향으로 보완하고자 하는 의지를 확인할 수 있었다. 즉 봉은사의 경우는 각 단의 구성과 여기에 따라 현괘되는 불화가 동일한 교의적 바탕에서 이루어지고 있음을 알 수 있다. 무형의 의례이다 보니 각각 세부적, 종교적 연구가 더 많이 진행되어야 한다는 과제를 남기기도 하였다.
박희철,전홍선,김용준,양형철 대한치과재료학회 2017 대한치과재료학회지 Vol.44 No.4
This study aimed to examine the effect of phosphatidylserine-treated macrophages (THP-1) on the differentiation of human dental pulp cells. Phosphatidylserine, phosphatidylcholine, and cholesterol were mixed at a molar ratio of 2:1:1, and liposomes were produced via the vacuum evaporation method. Conditioned media (CM) were collected after treating macrophages, with liposomes for 6 and 24h, and were used for differentiating human dental pulp cells. To confirm the differentiation, we performed an evaluation of alkaline phosphatase (ALP) activity, reverse transcriptase polymerase chain reaction (RT-PCR) of dentin sialophosphoprotein (DSPP) and osteocalcin (OCN) gene expressions, and extracellular matrix mineralization assay via alizarin red S staining. There was a statistically significant increase in alkaline phosphatase activity with the conditioned medium containing 10% in the overall culture medium. RT-PCR assay revealed that conditioned media did not increase the mRNA expressions of DSPP and OCN genes. The degree of matrix mineralization was not affected by the conditioned medium. These results confirm a slight effect of the conditioned medium on the differentiation of human dental pulp cells. Future studies may adopt a method in which macrophages and human dental pulp cells are closely co-existed, to evaluate the effect of phosphatidylserine on the interaction between these cell types
NONLINEAR ELLIPTIC PARTIAL DIFFERENTIAL EQUATION WITH A DAMPING TERM
박희철,박영자 충청수학회 2017 충청수학회지 Vol.30 No.2
The existence of solutions for nonlinear elliptic partial differential equations with general flux and damping terms is investigated.
BOUNDEDNESS OF THE SPECTRA OF BASE FUNCTIONS FOR NEW SPACES
박희철 충청수학회 2020 충청수학회지 Vol.33 No.1
We investigate the boundedness of the spectrum of a convex base function for a new function space. The result guarantees the continuity of the Calder\'on-Zygmund operators on the new space.