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해수에 의한 부식속도 데이터 베이스의 구축과 이용에 관한 연구
윤우생,한주철,박만호,송요승 한국항공대학교 1996 論文集 Vol.34 No.-
해수분위기에서 부식속도에 관한 데이터 베이스를 구축하였다. 본 데이터 베이스 system 프로그램은 커다랗게 두가지의 기능을 가지고 있는데 한가지는 데이터를 입력하는 기능이며 다른 한가지는 검색기능이다. 각각의 기능들은 몇개의 필드로 구성 되어 있다. 데이터베이스의 주된 필드들은 record, key-no, material type, material common name, environmental condition, corrosion rate등이다. 이중 중요한 연결고리용 필드는 각 데이터 들의 key-no로 사용하였다. We construct the Data-Base about corrosion rate of metal material in the sea water. In Data-Base system program have mainly 2 functions, one is data-input mode, the other is search mode. Each mode enclose some fields. Main fields are compose of record, key-no, material type, material common name, environmental condition, corrosion rate. Relation field is key-no of each data.
갑상선암에서 MAGE 1-6 mRNA를 검출하는MAGE common primer의 의의
남철우,최영식,박요한,이강대 고신대학교의과대학 2006 고신대학교 의과대학 학술지 Vol.21 No.2
Background: MAGE (melanoma antigen gene) was named as cancer/testis specific antigens since their expression is only detected in the testis or cancer cells. Because of their relatively specific expression in the cancer cells, they have been considered as the early diagnosis of several cancers, or the appropriate targets for the specific immunotherapy mediated by cytotoxic T lymphocytes. Therefore, there were many reports about the expression of MAGE genes in various types of malignant tumors, but only a few reports in human thyroid neoplasms. The purpose of this study was to determine whether the MAGE common primers expressed in different histological types of thyroid tumors and to see the clinical usefulness of MAGE common primers on the thyroid tumors. Methods: Fifty-nine patients who underwent thyroidectomy at Kosin Medical Center from January, 2001 to April, 2002 were included in the study. Of the 59 patients 40 were papillary carcinoma, 4 follicular carcinoma, 3 medullary carcinoma, 1 anaplastic carcinoma, 4 nodular hyperplasia, 3 adenomatous goiter, and 4 follicular adenoma. Total cellular mRNA was extracted from those 48 cancer tissues, 11 benign tissues and additional eleven normal control thyroid tissues. Nested reverse transcriptase-polymerase chain reactions (nested RT-PCR) with the MAGE common primers designed to detect MAGE 1-6 genes were employed in this study. With probes confirmed by DNA sequencing. Results: Of those 48 cases of thyroid carcinomas 10 cases (20.8%) were expressed MAGE common primers. In the 40 papillary carcinoma, MAGE common primers were expressed in 17.5%. In the four follicular carcinoma, they were expressed in two cases, and in one case of one anaplatic carcinoma. However, in the three cases of medullary carcinoma, MAGE gene was not expressed. None of 11 benign tumors and 11 normal tissues expressed any of these MAGE common primers. The sensitivity of MAGE common primers in thyroid tumors was 20.8% and the specificity was 100%. Conclusion: These results suggested that MAGE common primers were expressed low in the malignant thyroid tumors but it was not expressed in benign tumors and normal tissues. It is suggested that MAGE common primers can be used for preoperative differential diagnosis of follicular carcinoma from benign follicular adenoma which cannot be made by fine needle aspiration cytology of thyroid tissue. However, further study is needed for clinical application of MAGE common primers expression as tumor markers in the thyroid tumors.
S-26 : Recurrent Upper Gastrointestinal Bleeding from Pancreatic Pseudocyst
( Yo Han Park ),( In Kuk Jo ),( Young Ji Kim ),( Woo Jin Jung ),( Hyunju Park ),( Byoung Hwan Lee ),( Chang Hee Lee ) 대한내과학회 2013 대한내과학회 추계학술대회 Vol.2013 No.1
Gastrointestinal (GI) bleeding complication of pancreatic pseudocyst is rarely reported. Massive upper GI bleeding from gastro-cystic fistula formation and intracystic bleeding of pancreatic pseudocyst is extremely rare but that is potentially fatal. A 53-year-old male was referred to emergency room with melena and hematemesis. Urgent endoscopy revealed massive gastric hematoma but showed no specific bleeding focus. In the follow-up endoscopy, gastro-cystic fistula formation and intracystic bleeding leakage to the stomach was doubtful. Contrast-enhanced computed tomography demonstrated splenic artery pseudoaneurysm and extravasation of contrast media into the cyst that was abutted to the greater curvature side of stomach. Urgent angiography and therapeutic splenic artery embolization was successfully performed to stop further bleeding. After the embolization, the patient`s clinical course was uneventful and no recurrence of bleeding has been reported for 1 year since his discharge. We reported a case of recurrent upper GI bleeding that was originated from gastro-cystic fistula formation and intracystic aneurysmal bleeding of pancreatic pseudocyst. Massive gastric bleeding of pancreatic pseudocyst is associated with high mortality. Therefore, urgent contrast-enhanced CT scan with or without angiographic embolization or even surgery in necessary for proper diagnosis and treatment. The bleeding-complicated pseudocyst should be considered as one of the causes of recurrent GI bleeding in the patients with pancreatic pseudocyst.
Park, Kyung Woo,Kang, Si-Hyuck,Park, Keun-Ho,Choi, Dong-Hyun,Lee, Hae-Young,Kang, Hyun-Jae,Cho, Young-Seok,Yeon, Tae-Jin,Chung, Woo-Young,Koo, Bon-Kwon,Chae, In-Ho,Choi, Dong-Ju,Oh, Byung-Hee,Park, Yo Elsevier 2011 INTERNATIONAL JOURNAL OF CARDIOLOGY Vol.151 No.1
<P><B>Abstract</B></P><P><B>Background</B></P><P>The feasibility of percutaneous coronary intervention (PCI) using drug-eluting stents and its comparability with bypass surgery in treatment of unprotected left main coronary artery (LMCA) stenosis has been shown previously. We compared the mid-to long-term outcome between sirolimus-(SES) vs. paclitaxel-eluting stents (PES) in an all-comer analysis that included all patients with unprotected LMCA stenosis who underwent PCI with SES or PES.</P><P><B>Methods</B></P><P>From March 2003 and June 2007, 196 patients underwent PCI with SES or PES for unprotected LMCA stenosis at Seoul National University Main or Bundang Hospital; SES was implanted in 141 patients and PES in 55 patients. The baseline clinical and procedural characteristics were mostly similar between the SES and PES group.</P><P><B>Results</B></P><P>After 2years of follow-up, there were no differences in the rate of cardiac death (9.1% vs. 8.5%) and nonfatal MI (5.5% vs. 2.8%) between the two groups. However, the risk of repeat revascularization tended to be lower in the SES group compared with the PES group [TLR, 9.9% vs. 20.0% (<I>P</I>=0.06); TVR, 17.7% vs. 30.9% (<I>P</I>=0.05)], which did not reach statistical significance. The rate of stent thrombosis (ST) was also similar between the two groups (3.6% vs. 2.1% for definite ST, 3.6% vs. 2.8% for definite+probable ST).</P><P><B>Conclusions</B></P><P>In all-comers undergoing first generation DES implantation for unprotected LMCA stenosis, PES and SES showed comparable 2-year clinical results regarding hard endpoints and major adverse cardiac events.</P>
Park, Jin-Gyu,Park, Jae-Nam,Han, In-Jun,Song, Beom-Seok,Kim, Jae-Hun,Yoon, Yo-Han,Byun, Myung-Woo,Park, Kyung-Sook,Lee, Ju-Woon Korean Society for Food Science of Animal Resource 2011 한국축산식품학회지 Vol.31 No.2
Off-flavor and lipid oxidation are possible defects of irradiated bulgogi. This study compared the effects of several physicochemical treatments on microbial safety, volatiles, lipid oxidation, and sensory properties of irradiated beef bulgogi. Samples were separately irradiated with 20 kGy after each treatment such as packaging (aerobic and vacuum), antioxidants (vitamin C + ${\alpha}$-tocopherol (0.0 and 1.0%, w/w)), charcoal teabags (0 and 0.5%), or different temperatures (room temperature, -20, and -70$^{\circ}C$). No bacterial growth was observed (p<0.05) after irradiation of more than 20 kGy during storage at $35^{\circ}C$. Volatiles created by irradiating bulgogi were toluene, heptane, and 1,3-bis(1,1-dimethylethyl)benzene. Irradiation offflavor, lipid oxidation, and deterioration of sensory quality induced by irradiation were effectively reduced (p<0.05) by all physico-chemical treatments tested.
Living donor liver transplantation for patients with alcoholic liver disease
Yo-Han Park,Shin Hwang,Chul-Soo Ahn,Ki-Hun Kim,Deok-Bog Moon,Tae-Yong Ha,Gi-Won Song,Dong-Hwan Jung,Gil-Chun Park,Jung-Man Namgoong,Hyung-Woo Park,Chun-Soo Park,Sung-Hwa Kang,Bo-Hyeon Jung,Sung-Gyu Le 한국간담췌외과학회 2013 한국간담췌외과학회지 Vol.17 No.1
Backgrounds/Aims: Since most transplantation studies for alcoholic liver disease (ALD) were performed on deceased donor liver transplantation, little was known following living donor liver transplantation (LDLT). Methods: The clinical outcome of 18 ALD patients who underwent LDLT from Febraury 1997 to December 2004 in a large-volume liver transplantation center was assessed retrospectively. Results: The model for end-stage liver disease score was 23±11, and mean pretransplant abstinence period was 16±13 months, with 14 (77.8%) patients being abstinent for at least 6 months. Graft types were right lobe grafts in 11, left lobe grafts in 2 and dual grafts in 5. Graft to recipient body weight ratio was 0.94±0.16. The relapse rates in patients who did and did not maintain 6 months of abstinence were 7.1% and 50%, respectively (p=0.097). Younger recipient age was a significant risk factor for alcohol relapse (p=0.027). Five recipients with antibody to hepatitis B surface antigen (HBsAg) received core antibody-positive liver graft, but two of them showed positive HBsAg seroconversion. Overall 5-year patient survival rate following LDLT was 87.8%, with a 5-year relapse rate of 16.7%. Conclusions: Pretransplant abstinence for 6 months appears to be benefical for preventing posttransplant relapse. Life-long prophylactic measure should be followed after use of anti-HBc-positive liver grafts regardless of hepatitis B viral marker status of the recipient.
Salvage living donor liver transplantation after prior liver resection for hepatocellular carcinoma
Hyung-Woo Park,Shin Hwang,Chul-Soo Ahn,Ki-Hun Kim,Deok-Bog Moon,Tae-Yong Ha,Gi-Won Song,Dong-Hwan Jung,Gil-Chun Park,Yo-Han Park,Sung-Hwa Kang,Bo-Hyun Jung,Sung-Gyu Lee 한국간담췌외과학회 2013 한국간담췌외과학회 학술대회지 Vol.2013 No.4