음경에 발생한 선편평세포암

정일형,김기욱,이원기,이수성,양대열,김성용,김하영,남은숙 대한비뇨의학회 2003 Investigative and Clinical Urology Vol.44 No.1

기독교와 세계평화

정일형 새가정사 1970 새가정 Vol.- No.-

압전응용을 위한 Langasite(La$_3$Ga$_5$SiO$_{14}$) 단결정의 성장 및 특성

정일형,오근호 한국세라믹학회 1999 한국세라믹학회지 Vol.36 No.6

Recently rapid progress of electronic and telecommunication technology requires the development of new piezoelectric materials and cellular communication is more and more used in various fields. Langasite(La3Ga5SiO14) is suitable for new piezoelectric properties. Langastie can be applied as communication devices due to intermediate piezoelectric properties which are similar to those of quartz and LiTaO3 in its acoustic characteristics. So in this study Langastie(La3Ga5SiO14) single crystal with 47 mm in diameter and 25mm in length were sucessfully grown by using self-designed Czochralski system. In addition optimum growth conditions for the piezoelectric applications throughout estimation of crystal quality and frequency characteristics were investigated.

성장분위기에 따른 $La_3Ga_5SiO_{14}$ 단결정의 특성

정일형,안진호,오근호,T. Fukuda 한국세라믹학회 1999 한국세라믹학회지 Vol.36 No.12

Langasite( La3Ga5SiO14) is suitable for new piezoelectric properties. Langasite can be applied for communication de-vices due to intermediate piezoelectric properties which are similar to those of quartz and LiTaO3 in its acoustic cha-racteristics. In this study Langasite( La3Ga5SiO14) single crystals were successfully grown by using self-designed Czo-chralski system. From the results of optical properties it was found that crystals having a high quality and higher optical transmittance were grown at atmosphere of 1 to 30 vol% of oxygen content.

국제연합의 역사적의의

정일형 대한지방행정공제회 1952 地方行政 Vol.1 No.10

급성 대퇴동맥 혈전색전증 환자에서 PercuSurge GuardWireTMSystem 및 7 Fr. 유도관을 이용한 경피적 색전 제거술 1예

정일형,김장영,왕희성,유병수,이승환,윤정한,최경훈 대한심장학회 2004 Korean Circulation Journal Vol.34 No.8

An acute thromboembolism of the peripheral artery is a common complication in patient with inappropriately treated atrial fibrillation. A case of successful recanalization of a thromboembolic occlusion of the left common femoral artery, using the PercuSurge GuardWireTM System, with a 7 Fr. guiding catheter, was experienced in a patient with atrial fibrillation. 저자들은 심방 세동으로 인한 좌측 대퇴 동맥의 혈전 색전증으로 급성 동맥 폐쇄를 보인 환자에서 PercuSurge GuardWireTM System과 7 Fr. 유도관을 이용하여 혈전의 원위부 색전 없이 성공적으로 경피적 흡입 색전 제거술을 시행한 1예를 경험하였기에 문헌 고찰과 함께 보고하는 바이다.

햄버거 제품에 대한 미생물학적 위해 요인 분석에 관한 연구

정일형,노완섭 한국식품영양학회 2001 韓國食品營養學會誌 Vol.14 No.5

This study was focused on the sanitary analysis of hazard factors and the establishment of critical control points on hamburger by the microbiological investigation. The degree of microorganic pollution on the ingredients and equipments for hamburger manufacturing and the variation of microorganisms at storage time and temperatures were investigated. The magnitudes of total aerobic bacteria In hamburger were highly detected to be in the order of resting placed in expressway > convenience stores > fast food stores, and coliforms were lowly detected as convenience stores > fast food stores > resting places in expressway. In investigation of basic ingredients, the degree of microorganic pollution showed highly on patty. cabbage and cucumber. In investigated result of mocroorganic distribution at the various phases in hamburger manufacturing, total aerobic bacteria counts were detected over 5.5$\times$10$^2$ CFU/g, and coliforms counts were detected over 2.0$\times$10$^2$ CFU/g. In investigated result of microorganic distribution on the instruments and equipments for hamburger manugacturing, total aerobic bacteria counts were detected over 10$\^$5/ CFU/100cm2 and coliforms counts were detected over 10$^2$CFU/100㎠. Staphylococcus aureus was detected at wagon and refrigerator. Salmonella spp. was detected at grinder and Vibrio parahaemolyticus was not detected. At various storage temperatures, total aerobic bacteria counts insreased 3.0$\times$10$^3$ CFU/g to 7.0$\times$10$^4$ CFU/g, 4.2$\times$10$\^$7/ CFU/g and 8.1$\times$10$\^$8/ CFU/g at 10$\^{C}$, 20$\^{C}$, 30$\^{C}$ after 48 hours respectively. coliform counts also increased 4.5$\times$10$^2$ CFU/g to 2.2$\times$10$^3$ CFU/g, 5.4$\times$10$\^$5/ CFU/g, 4.5$\times$10$\^$6/ CFU/g at 10$\^{C}$, 20$\^{C}$, 30$\^{C}$ after 48 hours respectively. The establishment of critical control point CCP was divided into CCP1 and CCP2 by the removing level of hazard factor, and then CCP1 was established on basic ingredients, and CCP2 was established on the phases of mixing, pouring, packaging, transporting and preserving.

한약 및 한약제제의 안전성 평가

정일형,김종화,전종섭,조상훈,박신희,조현례,김영숙 한국식품위생안전성학회 2010 한국식품위생안전성학회지 Vol.25 No.3

This study was carried out to evaluate the safety of circulated oriental medicines and their related preparations in Gyeonggi-do. Total 366 samples (165 species) were analyzed about heavy metals, residual contents of sulfur dioxide (SO₂), and 68 samples were analyzed about preservatives. 17 samples (13 species, 4.6%) were exceeded the legal limit of heavy metal. The concentrations over the legal limit for Pb, Cd, As and Hg were 6.1~19.2 mg/kg,0.4~0.7 mg/kg, 6.9 mg/kg and 0.7 mg/kg, respectively. In particular, the exceeding ratio (5.9%) of the legal limit of heavy metals in foreign products was 3.3 times more than domestic products (1.8%). 13 samples (10 species, 3.6%)exceeded the limit of residual sulfur dioxide and the concentration ranges were 105 to 428 mg/kg in domestic products,on the other hand foreign products were from 114 to 2,468 mg/kg. The mean concentration over the limit of residual sulfur dioxide of foreign products (804 mg/kg) was 2.4 times more than domestic products (338 mg/kg). In studying of the preservatives in oriental preparation, the contents of dehydroacetic acid (48.9~64.1%) in 3 samples of labeled solutions were under the labeled preservative contents and the contents of benzoic acid (139.9%) in 1 sample of labeled pill product was exceeded the labeled preservative contents. The numbers of the detected preservatives in unlabeled solutions, pills and granules were 4, 11 and 7, respectively.

유색 농산물 중 안토시아닌과 폴리페놀 함량 비교 연구

정일형,오문석,전종섭,김한택,홍세라,박광희,윤미혜,Jeong, Il-Hyung,Oh, Moon-Seog,Jeon, Jong-Sup,Kim, Han-Taek,Hong, Se-Ra,Park, Kwang-Hee,Yoon, Mi-Hye 한국식품위생안전성학회 2017 한국식품위생안전성학회지 Vol.32 No.5

본 연구에서는 인터넷 쇼핑몰에서 유통되는 컬러푸드 중 블랙푸드 76건을 대상으로 폴리페놀 17종 및 안토시아닌 5종을 동일한 전처리 방법으로 HPLC, HPLC-MS/MS 분석하여 정량 및 정성시험을 실시하였다. 분석대상 폴리페놀은 gallic acid, protocatechuic acid, chlorogenic acid, vanillic acid, caffeic acid, syringic acid, p-coumaric acid, t-ferulic acid, t-cinnamic acid 등 9종의 phenolic acid와 (+)catechin, syringic aldehyde, rutin, epicatechin gallate, naringin, luteolin, naringenin, kaempferol 등 8종의 flavonoid로 총 17종의 폴리페놀을 동시분석 하였고, 안토시아닌은 delphinidin-3-glucoside, delphinidin-3-rutinoside, cyanidin-3-galactoside, cyanidin-3-glucoside, cyanidin-3-arabinoside 등 5종을 동시분석 하였다. 폴리페놀 17종의 총 함량은 서리태 $255.1{\pm}7.5{\mu}g/g$, 서목태 $275.8{\pm}5.3{\mu}g/g$, 흑미 $78.5{\pm}4.6{\mu}g/g$, 흑임자 $75.8{\pm}3.2{\mu}g/g$, 블루베리 $143.3{\pm}5.5{\mu}g/g$, 아로니아 $195.2{\pm}4.9{\mu}g/g$, 블랙커런트 $131.6{\pm}3.2{\mu}g/g$로 나타나 서목태 > 서리태 > 아로니아 > 블루베리 > 블랙커런트 > 흑미 > 흑임자 순으로 높은 함량을 나타냈다. 안토시아닌 5종의 총 함량은 서리태 $82.4{\pm}17.2{\mu}g/g$, 서목태 $95.2{\pm}6.1{\mu}g/g$, 흑미 $74.1{\pm}9.7{\mu}g/g$, 흑임자 불검출, 블루베리 $110.8{\pm}1.9{\mu}g/g$, 아로니아 $218.9{\pm}6.1{\mu}g/g$, 블랙커런트 $209.7{\pm}4.0{\mu}g/g$로 나타나 아로니아 > 블랙커런트 > 블루베리 > 서목태 > 서리태 > 흑미 순으로 높은 함량을 나타났다. 본 실험결과 폴리페놀은 서목태, 안토시아닌은 아로니아가 가장 높은 함량을 나타내었으며 향후 유색 농산물을 활용한 기능식품 개발이 필요한 것으로 판단된다. In this study, 17 kinds of polyphenols and 5 kinds of anthocyanins were analyzed to compare the contents of polyphenols and anthocyanins in 76 colored agricultural products. A total of 17 polyphenols were analyzed simultaneously by 9 phenolic acids (gallic acid, protocatechuic acid, chlorogenic acid, vanillic acid, caffeic acid, syringic acid, p-coumaric acid, t-ferulic acid, t-cinnamic acid) and 8 flavonoids ((+)catechin, syringic aldehyde, rutin, epicatechin gallate, naringin, luteolin, naringenin, kaempferol) and 5 anthocyanins (delphinidin-3-glucoside, delphinidin-3-rutinoside, cyanidin-3-galactoside, cyanidin-3-glucoside, cyanidin-3-arabinoside) were simultaneously analyzed. The total content of 17 polyphenols was determined as seoritae $255.1{\pm}7.5{\mu}g/g$, seomoktae $275.8{\pm}5.3{\mu}g/g$, black rice $78.5{\pm}4.6{\mu}g/g$, black sesame $75.8{\pm}3.2{\mu}g/g$, blueberry $143.3{\pm}5.5{\mu}g/g$, aronia $195.2{\pm}4.9{\mu}g/g$ and blackcurrent $131.6{\pm}3.2{\mu}g/g$, the highest content was found in the order of seomoktae > seoritae > aronia > blueberry > blackcurrant > black rice > black sesame. The total content of 5 anthocyanins was determined as seoritae $82.4{\pm}17.2{\mu}g/g$, seomoktae $95.2{\pm}6.1{\mu}g/g$, black rice $74.1{\pm}9.7{\mu}g/g$, black sesame were not detected, blueberry $110.8{\pm}1.9{\mu}g/g$, aronia $218.9{\pm}6.1{\mu}g/g$ and blackcurrent $209.7{\pm}4.0{\mu}g/g$, the highest content was found in the order of aronia > blackcurrant > blueberry > seomoktae > seoritae > black rice. These results indicated that seomoktae and aronia possessed the high level of functional components and further study will be needed to develop high value-added foods based on the colored agricultural products.

학술발표회 : 3) 생물공학분야 : 포스터발표 ; CGTase 의 대량생산을 통한 CD 생산공정의 최적화

정일형,서효진,김성구 한국국제경제학회 2001 춘계 수산관련학회 공동학술대회발표 요지집 Vol.0 No.-