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HPLC를 이용한 carbamate계 농약의 다성분 동시분석
송영각 ( Young Gak Song ),서영철 ( Young Chul Seo ),현공율 ( Gong Yul Hyun ),조우영 ( Woo Young Cho ),이종인 ( Jong In Lee ) 한국가축위생학회 2003 韓國家畜衛生學會誌 Vol.26 No.2
To explore the most sensitive and useful method for simultaneous determination of 8 carbamate pesticides in livestock productions, the mixture of 8 carbonates was determined by HPLC with scanning fluorescence detector. For mobile phase water, acetonitrile and methanol program gradient showed more applicable sensitivity than water and acetonitrile program gradient used ExW 339nm and EmW 445nm for fluorescence detector. On using carbamate columns, the retention time was within 4 to 20 minutes. And this made it possible to separate and detect simultaneously. Therefore we could analyze it exactly and efficiently and reduce time. The preparation process of MSPD method showed that the high recovery rate was more than 88.5% in most of the carbamate pesticides. Therefore we could say that it was an efficient and fast method analyzing out of lots of samples.
李庸一,宋永珏,金昌協,李尙桂 최신의학사 1967 最新醫學 Vol.10 No.12
14 years old male ooy was consulted to Han-11 hospital on Feb. 26, 1964 because of productive coughing, exertional dyspnea and general weakness with following history. He was normal full term. The neonatal period was uneventful. He suffered from measles at the age of 6 months. Since 2 years of his age, he had been frequently suffered from respiratory infection and diagnosed as a case of bronchitis or bronchopneumonia. Physical examination revealed emaciation, pigeon chest and dry or moist rales on both lung field on auscultation. There was leucocytosis. Throat swab and sputum culture was negative for A. F. B. or other pathogenic organisms. Mantoux test and skin test for P.W. and C.S. were also negative. Chest x-ray revealed multiple thin walled cysts which scattered over right entire lung field and left lower lung field. Successive chest X-ray taken 3 years later was checked on April 27, 1967 which showed almost same findings comparing with preveousfilm. Review of Iiterature as for cyst of the lung was made briefly.
李慶子,宋永珏,李庸一,李尙柱 최신의학사 1971 最新醫學 Vol.14 No.2
A 3 years and 10 months old girl was admitted to the Dept. of Pediatrics for establishment of diagnosis of Dwarfism. We made the diagnosis of Achondroplasia on the basis of characteristic clinical features and roent?genographic finding and made the review of literatures briefly.
브루셀라병 혈청검사 양성 수소와 12개월령 이하 소에서의 균 분리 및 동정
류재윤 ( Jae Yun Ryu ),변정운 ( Jung Hyun Bun ),이희영 ( Hee Young Lee ),이용창 ( Yong Chang Lee ),이종진 ( Jong Jin Lee ),송영각 ( Young Gak Song ),남향미 ( Hyang Mi Nam ) 한국가축위생학회 2007 韓國家畜衛生學會誌 Vol.30 No.3
This study was conducted to investigate the characteristics of brucellosis in Korean native cattle in a farm where bovine brucellosis was confirmed 3 times from September 2006 to March 2007. Of 74 bulls serum samples examined, 21(28.4%) were positive by Rose-Bengal test(RBT) and Standard tube agglutination test(STAT). In the isolation test from seropositive bulls, B abortus was isolated and identified from 2 specimens (testis, intestinal lymph node) among 6 kinds of specimens including blood, urine, feces and soil. Isolation rate of intestinal lymph node and testis was 25%(3/12 cases)and 16.7%(2/12), respectively. B abortus was also isolated from calves below 12 months old, i.e., 1 isolate(25.0%) was confirmed from testis, 4(40.0%) from supra-mammary lymph nodes and 1(25.0%) from intestinal lymph node. All isolates had Brucella specific 16s r-RNA with 905-bp band detected byPCR assay. For the more effective control of bovine brucellosis in korea, this paper would like to suggest that all of bulls and calves should be included in the screening tests.