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박종훈,김수균,장수일,김영욱 대한혈관외과학회 1992 Vascular Specialist International Vol.8 No.1
The $quot;Nutcracker$quot; phenomenon refers to left renal vein compression between the aorta and overlying superior mesenteric artery. Compression of the renal vein is postulated to lead to gross unilateral hematuria, flank or abdominal pain, and varicocele as a result of increased pressure in the renal vein. We report 2 cases of $quot;Nutcracker$quot; phenomenon in which the diagnosis was established by the selective left renal venogram and pull back pressure measurements in the left renal vein and inferior vena cava. For one of them, we successfully performed a direct renocaval reimplantation for the management of protracted gross hematuria assuming that this procedure is the choice to correct the underlying deformity.
Ha, You Mee,Jung, Young Hee,Kwon, Dae Young,Kim, Young Chang,Kom, Young Soo,Kim, Chy Kyung,Min, Kyung Hee 한국미생물 · 생명공학회 1999 Journal of microbiology and biotechnology Vol.9 No.3
A catechol 2,3-dioxygenase (C23O) was purified to apparent homogeneity from Pseudomonas putida SU10 through several purification steps consisting of ammonium sulfate precipitation and chromatographies on DEAE 5PW, Superdex S-200, and Resource-Q. Gel filtration indicated a molecular mass under nondenaturing conditions of about 130 kDa. The enzyme has a subunit of 34 kDa as was determined by SDS-PAGE. These results suggest that the native enzyme is composed of four identical subunits. The N-terminal amino acid sequence (30 residues) of the enzyme has been determined and exhibits high identity with other extradiol dioxygenases. The reactivity of this enzyme towards catechol and methylsubstituted catechols is somewhat different from that seen for other catechol 2,3-dioxygenases, with 4-methylcatechol cleaved at a higher rate than catechol or 3-methylcatechol. K_m values of the enzyme for these substrates are between 3.5 and 5.7 M.
백금전극과 감광성 고분자를 이용한 ISFET 포도당 및 자당센서의 감지성능 개선
조병욱,장원덕,김창수,박이순,손병기 ( Byuhng Woog Cho,Won Duk Jang,Chang Soo Kom,Lee Soon Park,byung Ki Sohn ) 한국센서학회 1995 센서학회지 Vol.4 No.4
The ISFET glucose and sucrose sensors containing platinum electrode and photopolymeric enzyme membrane were fabricated. The platinum working electrode was used for the electrolysis of hydrogen peroxide, which was the other product of the enzyme reaction, to improve sensing characteristics of the sensors. In order to improve response time, photo-crosslinkable polymer(PVA-SbQ) was used to the matrix for the enzyme immobilized membrane. The characteristics of glucose and sucrose sensors were investigated according to the variation of platinum electrode area. The response time was about 3∼5 minutes and determinations of glucose and sucrose in the range of about 30∼300mg/dl could be possible.