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Jeong, Yo-Han,Do, Jun-Young,Hwang, Mun-Ju,Kim, Min-Jung,Gu, Min Geun,Park, Byung-Sam,Choi, Jung-Eun,Kim, Tae-Woo Yeungnam University College of Medicine 2014 Yeungnam University Journal of Medicine Vol.31 No.1
Patients treated with peritoneal dialysis have increased intra-abdominal pressure and a high prevalence of abdominal wall complications. Hernias can lead to significant morbidity in patients on peritoneal dialysis. Hernias are clinically important because of the risk of incarceration, strangulation and subsequent bowel obstruction, rupture, and peritonitis. In this paper, a case of incarcerated umbilical hernia with small bowel obstruction in a continuous ambulatory peritoneal dialysis (CAPD) patient is reported. The small bowel obstruction improved after herniorrhaphy, and the peritoneal dialysis was resumed 2 weeks after the herniorrhaphy. The patient had been undergoing CAPD without technical failure until the 2 months follow-up after the herniorrhaphy. This case shows that early detection of incarcerated umbilical hernia and herniorrhaphy can prevent resection of a strangulated small bowel so that it can remain on CAPD without post-operative technical failure. Umbilical hernias should be carefully observed and intestinal obstruction should be considered when a CAPD patient with an umbilical hernia has abdominal pain.
Immunohistochemical Study on the Hair Growth Promoting Effect of Yonnyuniksoogobon-dan
Jeong, Chun-Geun,Park, Min-Hee,Seong, Ju-Won,Lee, Hyun-Sam,Park, Seong-Kyu,Kim, Sun-Yeou,Kim, Yoon-Bum,Jung, Hyuk-Sang,Sohn, Nak-Won,Sohn, Young-Joo The Society of Korean Medicine 2008 대한한의학회지 Vol.29 No.5
Objectives : This study evaluates the hair growth promoting effect of Yonnyuniksoogobon-dan on shaved C57BL6 mice. Methods : Yonnyuniksoogobon-dan was administered orally (Group I) and both orally and by skin application (Group II) once a day for 12 days. The experimental groups were compared to Control, which was orally administered physiological saline solution. Hair regrowth was photographically and histologically determined during the experimental period. The levels of hair growth cycle related factors (EGF, TGF-${\beta}$1) and vascular factors (VEGF, iNOS) were also determined by immunohistochemistry. On gross observation of hair growth, both Group I and Group II shaved C57BL6 mice showed accelerated hair regrowth. Results : The hair regrowth index of Group I increased significantly from 7 days (P<0.05) to 12 days (P<0.01) after shaving and that of Group II was significantly higher at 12 days (P<0.05). On histological observation, both Group I and Group II demonstrated histological improvement and increases in the number and diameter of the hair follicles. EGF expression on the root sheath of hair follicles was up-regulated in both Group I and II. TGF-${\beta}$1 expression on the root sheath of hair follicles was unchanged in both Group I and II. VEGF expression in the tissues surrounding hair follicles was up-regulated in both groups. iNOS expression in the tissues surrounding hair follicles was down-regulated in both groups. Conclusions : These results suggest that Yonnyuniksoogobon-dan promotes hair growth and this effect is related to up-regulation of EGF and VEFG expression and down-regulation of TGF-${\beta}$1 and iNOS expression on hair roots.
Kho Sam il,Kim Min Su,Sohn Sun Young,Jung Dong Geun,Boo Jin Hyo,Jeong Seong Hoon,Park SangHee Ko The Korean Vacuum Society 2005 Applied Science and Convergence Technology Vol.14 No.4
For the longevity of OLEDs, passivation of OLEDs is an important process step since organic materials used in OLEDs are very vulnerable to moisture. In this work, the passivation effect of the plasma polymerized para-xylene (PP$\rho$X) layers was studied. The PPpX layers deposited by PECVD were formed on top of the cathode with various plasma powers of 50 - 90 W. Passivation effect of PP$\rho$X was significantly dependent upon the deposition plasma power of the PP$\rho$X film. The lifetime of OLEDs with the 70 W deposited PP$\rho$X passivation layer was about 5 times longer than that of the control device.
임상 : 전방 두개저부 병변에 대한 두개 안면 접근법; 합병증
김근식 ( Geun Sik Kim ),김승민 ( Seong Min Kim ),정승영 ( Seung Young Chung ),정성삼 ( Sung Sam Jeong ),박문선 ( Moon Sun Park ),하호균 ( Ho Gyun Ha ),김한규 ( Han Kyu Kim ) 대한뇌종양학회 2005 대한뇌종양학회지 Vol.4 No.2
Objective£ºThe purpose of this study is to describe the commom complications of craniofacial approaches to lesion on anterior skull base and some technical refinements to prevent the complications. Methods£ºAuthors reviewed medical records and radiological findings of 21 operations(including 2 reoperations) of 19 patients having anterior skull base tumors treated by craniofacial approaches from 1998 to 2004 . Results£ºTwenty-one operations showed several complications. Those were cerebrospinal fluid leakage(3), meningitis(1), anosmia(3), epidural hematoma(1), pneumocephalus(1). Cerebrospinal fluid leakage was treated by lumbar drainage. Meningitis was treated by lumbar drainage and appropriate antibiotics. Epidural hematoma and pneumocephalus were resolved spontaneously. The complication of transfrontal and transnasomaxillary approach was none. The complications of transfrontal nasal approach were anosmia(1) and epidural hematoma(1). Cerebrospinal fluid leakage(3), meningitis(1), anosmia(2), and pneumocephalus(1) arose in the transfrontal nasal-orbital approach. Conclusion£ºMotality and morbidity of craniofacial approach is relative low. Water-tight duroplasty, strong reconstrucion of anterior skull base and lumbar drainage are important for prevention of cerebrospinal leakage. We think that the lesion of anterior skull base is safely performed by appropriate craniofacial approach and reconstruction.
Characterization of Acetylene Plasma-Polymer Films: Recovery of Surface Hydrophobicity by Aging
Kim, Jeong-Ho,Kim, Tae-Hyung,Oh, Jung-Geun,Noh, Seok-Hwan,Lee, Jeong-Soo,Park, Kyu-Ho,Ha, Sam-Chul,Kang, Heon Korean Chemical Society 2009 Bulletin of the Korean Chemical Society Vol.30 No.11
Aging phenomena of plasma polymer films were studied by using the surface analysis techniques of contact angle measurement, X-ray photoelectron spectroscopy (XPS), time-of-flight secondary ion mass spectrometry (TOFSIMS), and atomic force microscopy (AFM). The polymer films were grown on an aluminum substrate by using a plasma polymerization method from a gas mixture of acetylene and helium, and the films were subsequently modified to have a hydrophilic surface by oxygen plasma treatment. Aging of the polymer films was examined by exposing the samples to water and air environments. The aging process increased the hydrophobicity of the surface, as revealed by an increase in the advancing contact angle of water. XPS analysis showed that the population of oxygen-containing polar groups increased due to the uptake of oxygen during the aging, whereas TOF-SIMS analysis revealed a decrease in the polar group population in the uppermost surface layer. The results suggest that the change in surface property from hydrophilic to hydrophobic nature results from the restructuring of polymer chains near the surface, rather than compositional change of the surface. Oxidative degradation may enhance the mobility and the restructuring process of polymer chains.
도축처리 단계별 도체 및 환경재료에서 Listeria monocytogenes의 분리
허정호 ( Jeong Ho Heo ),손성기 ( Seong Ki Son ),이주홍 ( Ju Hong Lee ),임삼규 ( Sam Kyu Rim ),구정헌 ( Jeong Heon Ku ),박영호 ( Yeong Ho Park ),조명희 ( Myung Hi Cho ),손원근 ( Won Geun Son ),강호조 ( Ho Jo Kang ) 한국가축위생학회 1997 韓國家畜衛生學會誌 Vol.20 No.1
To invastigate the epidemiological trait of listeriosis, Listeria monocytogenes were isolated from the carcasses of pigs and cattle, and environmental specimens in slaughter house. Also serotype of isolates were classified by rapid slide agglutination test. In the carcasses of pigs, Listeria sp were isolated from the carcasses after bleeding(62%), after dismemberment(60.0%) and before shipping(76.0%), and L monocytogenes were present in 8% of the carcasses after dismemberment and in 14% of the carcasses before shipping. However, few Listeria sp were isolated from the living body skin and the carcasses after scalding. In the carcasses of cattle, Listeria sp were isolated from the carcasses after bleeding(10%), after dismemberment(36.7%) and before shipping(63.3%), L monocytogenes were present in 3.3% of the carcasses after dismemberment and in 10% of the carcasses before shipping. Overall, L monocytogenes, L innocua, L welshimeri, L grayi, and L murrayi were present in 4.8, 40, 2.3, 2.6 and 0.3% of all the carcasses, respectively. Prevalence of Listeria sp in environmental specimens were found to be 80% in slaughter house floors and 100% in sewage, and L monocytogenes were present in 15% of sewage. However, few Listeria sp were isolated from chilled water and from scalding water. Overall, L monocytoge-nes, L innocua, and L welshimeri were present in 3.8, 45 and 6.3% of all the environmental speci-mens, respectively. A total 27 strains of L monocytogenes were isolated from samples tested and all of the strains were classified into serotype 1.