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에스테르 교환반응에서 세라믹의 촉매활성과 그 중합체의 열적 물리적 성질
조성호,김상률,송석규,Jo, Seong-Ho,Kim, Sang-Ryul,Song, Seok-Gyu 한국섬유공학회 1995 한국섬유공학회지 Vol.32 No.10
The kinetics of the transesterification of dimethyl terephthalate(DMT) with ethylene glycol(EG) was kinetically investigated in the presence of various ceramics. The thermal and mechanical properties of PET filled with various ceramics were characterized by DSC, TGA and tensile testing. The conversion was calculated from the quantity of distilled methanol. The rate constants(K3) was calculated according to the theoretical equation of Tomita. Based on these results, value of ZnO was the highest and that of Al203 was the lowest. The activation energy of ZnO was calculated from a plot of Iogka vs. In as E. : 39.42k11mo1. This value was lower than that of Zn-acetate(42.19k11mo1). From these results, we demonstrated that the reactivity of ZnO is very high. The thermal property of PET Slled with various ceramics was not changed, but the mechanical property was decreased due to the lack of interfacial bonding between ceramics and PET.
조성호,이길영,Jo, Seong-Ho,Lee, Gil-Yeong 대한한방안이비인후피부과학회 2001 한방안이비인후피부과학회지 Vol.14 No.1
Herpes zoster oticus which is called Ramsay Hunt syndrome, geniculate ganglion herpes and otic herpes, is characterized by a viral prodrome with otalgia, vesicular eruptions, facial paralysis, hearing disturbance, tinnitus, vertigo and other symtoms. Among cranial nerves, trigeminal and facial nerves are the most commonly affected in patients with herpes zoster oticus, but on rare occasions 8th, 9th, 10th, 11th, 12th cranial nerves and even the upper cervical nerve are influenced as well.. In general, it has poor prognosis compared with Bell's palsy, leaving permanent facial nerve dysfunction. We report a case of Herpes zoster oticus, which was fully recovered by acupuncture and herbal medication within 12 days. We used $FEMA^{11)}$ and House-Brackmann's grading system to assess the degree of paralysis in each part of face.
스테로이드 무반응 시신경척수염 환자에서 혈장분리교환술의 효과
조성호,최재환,최희영,정재호,Seong Ho Jo,Jae Hwan Choi,Hee Yonng Choi,Jae Ho Jung 대한안과학회 2014 대한안과학회지 Vol.55 No.3
Purpose: To report the therapeutic efficacy of plasma exchange therapy on steroid-unresponsive neuromyelitisoptica (NMO) patients. Case summary: Three patients who had not achieved improvement of visual acuity and visual field after high steroid pulse therapy after optic neuritis visited our clinic with decreasing visual acuity combined with eye pain in the other eye. All patients were diagnosed as neuromyelitisoptica (NMO) based on the presence of NMO-IgG antibody and optic nerve enhancing in contrast-enhanced orbital magnetic resonance imaging (MRI). Recurrent optic neuritis was observed. Steroid pulse retreatment was started but visual acuity was not improved in all patients. The patients received plasma exchange therapy, followed by immune suppression therapy. All patients showed improved visual acuity and restored visual field promptly without recurrence of neuromyelitisoptica. Conclusions: In case of steroid-unresponsive neuromyelitisoptica, plasma exchange should be promptly considered as the treatment of choice. J Korean Ophthalmol Soc 2014;55(3):465-472