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남일송,윤여일,김선규,김용현,이주영,목지오,윤석기,김철희,김영선,변동원,서교일,유명희 순천향의학연구소 2001 Journal of Soonchunhyang Medical Science Vol.7 No.2
Background: Most cases of Graves' disease have been treated by antithyroid drugs in Korea. The major drawbacks of antithyroid drugs are the relative high rate of relapse and the inconvinience of long term therapy. Measurement of TBII and TRH stimulation test have been considered as the most reliable tests predicting relapse, but the predictive power is not high enough to use in clinical situation. This study was performed to find good prognostic indicators in Graves' disease patients after the discontinuation of antithyroid drug therapy. Subjects and methods : We restrospectively evaluated 96 patients with Graves' disease who showed normal TRH test at the end of antithyroid drug therapy and were followed for more than one year. Serum T3, T4, T3/T4 ratio, TBII, Anti-TPO Ab and TGAb levels were measured at the time of diagnosis and at the end of therapy. Two to three months after withdrawal of antithyroid medication, serum TSH and free T3 responses to TRH were examined. These parameters were compared between the relapse group and the remission group. Results : Among the 96 patients, 22 patients(22.9%) relapsed(Group Ⅱ) and 74 patients(77.1%) remained in remmision(Group Ⅰ). No significant difference was observed between the relapse and the remission group in clinical parameters, serum T3, T4, TSH, T3/T4 ratio, TBⅡ and Anti-TPO Ab determined before and after treatment. Serum TSH and free T3 levels measured after TRH stimulation were also similar in both groups. Serum TGAb levels determined at the end of treatment were significantly higher in the remission group(p<0.05). Relapse following the discontinuation of therapy occured within 24 months in 72.7% of the relapsed cases. After 24 months, relapse rate was reduced significantly. Conclusion : These results suggest that high serum TGAb levels could be a favorable prognostic indicator for the long term remission of Graves' disease treated with antithyroid drugs, and may suggest that Hashimoto's thyroiditis is combined with Graves' disease in those patients.
송선교 ( Sun Kyo Song ) 영남대학교 기초/임상의학연구소 2007 Yeungnam University Journal of Medicine Vol.24 No.2S
Curative surgery is the most common and desirable treatment for advanced gastric cancer (AGC), but macroscopically curative resection of AGC dose not always mean a curative outcome, For the tailored management of AGC, accurate preoperative stage are made by using abdominal CT, FDG PET and laparoscopy is necessary. In case of T3/T4 lesion, neoadjuvant chemotherapy (NAC) and neoadjuvant chemoradiotherapy (NACR) are effective therapeutic approaches with acceptable toxicity without increasing surgical morbidity and mortality. I recommend the use of a multidisciplinary therapeutic strategy for treatment of AGC. Future applications of newer cytotoxic drugs such as oxaliplatin, capecitabine, irinotecan, and docetaxel or targeted therapies may help to improve the management of AGC.
Song, Jun Ho,Lee, Sun-Mi,Park, In Ho,Yong, Dongeun,Lee, Kyo-Seok,Shin, Jeon-Soo,Yoo, Kyung-Hwa Elsevier 2019 Biosensors & bioelectronics Vol.143 No.-
<P><B>Abstract</B></P> <P>For the treatment of bacteremia, early diagnosis and rapid antibiotic susceptibility tests (ASTs) are necessary because survival chances decrease significantly if the proper antibiotic administration is delayed. However, conventional methods require several days from blood collection to AST as it requires three overnight cultures, including blood culture, subculture, and AST culture. Herein, we report a more rapid method of sensing bacterial growth and AST in blood based on a vertical capacitance sensor functionalized with aptamers. Owing to their vertical structure, the influence of blood cells sunk by gravity on capacitance measurements were minimized. Thus, bacterial growth in blood at 10<SUP>0</SUP>–10<SUP>3</SUP> CFU/mL was monitored in real-time by measuring changes in capacitance at <I>f</I> = 10 kHz. Moreover, real-time capacitance measurements at <I>f</I> = 0.5 kHz provided information on biofilm formation induced during blood cultures. Bacterial growth and biofilm formation are inhibited above the minimal inhibitory concentration of antibiotics; therefore, we also demonstrated that vertical capacitance aptasensors could be applied to rapid AST from positive blood cultures without a need for the subculture process.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Our aptasensor can be used to monitor bacterial growth and antibiotic susceptibility in blood in real-time. </LI> <LI> Our aptasensor detects the bacterial growth directly rather than secondary CO<SUB>2</SUB> gas produced by metabolism, so it can be employed as an alternative method to CO<SUB>2</SUB> detection. </LI> <LI> Our aptasensor can be also used to perform a rapid antibiotic susceptibility tests using positive blood cultures without a subculture process. </LI> <LI> Therefore, the time needed to obtain the AST results from blood collection can be significantly reduced using our aptasensor. </LI> <LI> In addition, the bacteria growth and the biofilm formation can be simultaneously monitored during the blood culture by measuring the capacitance changes at different frequencies. </LI> </UL> </P>
宋善敎,孫允卿,郭精植,孫泰重 慶北大學校 醫科大學 1986 慶北醫大誌 Vol.27 No.3
저자는 체표의 중증화상이 심근에 미치는 영향을 초미형태학적으로 규명하기 위해 체중 250gm 정도의 Sprague-Dawley계 흰쥐수컷에 Strenberg방법으로 30%의 3도화상을 입힌 뒤 6시간, 1일, 3일, 5일 및 7일에 각각 3마리씩 좌심실의 심근을 광학 및 전자현미경적으로 관찰하였다. 광학현미경적으로는 간질조직의 경한 부종과 울혈이 일어났다. 전자현미경적으로는 화상후 6시간부터 sarcoplas-mic reticulum의 확장, myelin figure의 출현, mitochondria의 경한종창이 일어나 3일까지 지속되었고, 5일후에는 mitochondria의 심한 종창, 핵막강의 확장, 공포형성과 FCD등이 출현하였다. 그러나 이와 같은 변화는 모두 가역적이었다. 이러한 소견으로 보아 화상후 6시간부터 3일까지 일어나는 비교적 경한 퇴행성 변화는 핍혈성 세포손상으로 보이며 5일이후 일어난 mitochondria의 심한 종창은 화상독에 의한 특징적인 손상으로 생각된다. This study was carried out to investigate ultrastructural changes of myocardium after severe skin burns, Sprague-Dawley rats weighing approximately 250 gm were given 30% third degree burns of the skin and were observed by means of light and electron microscope at 6 hours, 1 day, 3 days, 5 days, and 7 days after burns. On light microscopy, interstitial edema and congestion appeared after burns. On electron microscopy, dilatation of T-tubules, formation of myelin figures, and slight swelling of mitochondria appeared. These changes were persisted for 3 days after burns. At 5 days after skin burns severe dilatation of mitochondria, widening of perinuclear spaces, vacuolar changes, and formation of focal cytoplasmic degradation appeared. But these changes were reversible. By these changes, it would be considered tht slight degradation of myocardium occurring from 6 hours to 3 days after severe skin burns were caused by ischemia, and latent changes, such as marked swelling of mitochondria, were characteristic onew caused by burn toxin.
열처리에 따른 Cd₁-xZnxS/In 박막의 광학적 및 전기적 특성 분석
송우창,이경호,심상흥,이상교,심재선,박종국 三陟大學校 2002 論文集 Vol.35 No.-
In this thesis, effects of the thickness of indium films and the annealing temperature on optical and electrical properties of chemically deposited CdZnS films for the efficiency of the Cd1-xZnxS/CdTesolar cells were investigated. To improve the electrical conductivity of Cd1-xZnxs films, thin indium films(10-4Onm thickness)were evaporated on the suface of Cd1-rZnxs films. Experimental parameters such as indium film thickness, Zn mole fraction, and the annealing temperature in terms of structural and electrical properties of Cd1-xZnxs films were investigated. The diffusion process was carried out by heating the sample in air at 150-550℃ for 20 minute As the indium film thickness is increased, the resistivity decreases and the lowest value(0.3 O -cm)is obtained for Cd1-xZnxs films annealed at 450℃ with 40nm of the thickness.