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임현호,남창우,Im, Hyeon-Ho,Nam, Chang-U 한국섬유공학회 1997 한국섬유공학회지 Vol.34 No.7
Cellulose-chitosan blend fibers were prepared by wet spinning. The blends were made by using the mixed solvent of dimethylacetamide (DMAc) containing 9% (w/w) lithium chloride (LiCl). Chitosan to be dispersed in DMAc was well mixed with cellulose-DMAc/LiCl solution system. The properties of the blend fibers were studied in terms of crystal structure, orientation, mechanical properties, and antimicrobial activity.
기니픽 中耳腔內 Propylene Glycol 注入後 中耳粘莫의 病理組織學的 變化 및 眞珠腫 形成에 關한 實驗的 硏究
任賢鎬,柳洪均 고려대학교 의과대학 1990 고려대 의대 잡지 Vol.27 No.3
The etiology and pathogenesis of cholesteatoma remain controversial, although many otologic researchers have studied cholesteatoma throughout the century. Many studies to produce experimental cholesteatoma have been attempted such as instillation of various irritants, ligation of external auditory canal and obstruction of eustachian tube. Propylene glycol which is used as a solvent in many topical ear preparations was known to cause inner ear toxlc effect and inflammatory changes of the middle ear mucosa, and moreover, some of the recent reports represented that it can produce cholesteatoma in experimental animal. The author performed histopathological study of middle ear mucosa and cholesteatoma induction after instillation of high concentrated propylene glycol in guinea pig middle ear. The obtained results were as follows : 1. Mild to severe inflammatory changes of middle ear mucosa were seen in all experiments after instillation of 50% and 95% propylene glycol such as inflammatory cell infiltration, formation of granulation tissue and bone destruction. 2. PAS-Alcian blue positive mucus secreting cells were appeared in middle ear mucosa 1 week and 2 weeks after instillation of propylene glycol and decreased in number 3 week and 6 week specimen. 3. Cholesteatoma or pearl of keratinized epithelium were seen in 3 of 14 ears in 3 week specimen and 5 of 14 ears in 6 week specimen instillated with 50% and 95% propylene glycol. 4. Multinucleated osteoclasts were seen in bone destruction area of granulation tissue and there were also seen osteoblasts and area of new bone formation adjacent to the bone resorption area.
간세포암 환자에서 유사 특이성을 가진 자가항체의 변화 1예
임현호,김경희,정기철,안규대,우광숙,한진영,김정만 대한수혈학회 2017 大韓輸血學會誌 Vol.28 No.2
Changes in autoantibodies with mimicking specificity for Rh antigens are quite rare. Here, we report a 73-year-old male patient with hepatocellular carcinoma that showed changes in the autoantibodies with mimicking specificity. He was admitted to our hospital with mental alterations and hypoglycemia. The antibody identification test for RBC transfusion showed a pattern of agglutination, suggesting anti-E alloantibody and anti-c autoantibody. The patient was then diagnosed with hepatocellular carcinoma, and after 18 months, the antibody identification test showed a different pattern of agglutination, suggesting anti-E alloantibody and anti-C autoantibody. We recommend a careful evaluation to make sure an appropriate transfusion is performed when encountering fluctuating autoantibodies with mimicking specificity.
임현호,안규대,우광숙,김경희,김정만,김성현,한진영 대한진단검사의학회 2017 Annals of Laboratory Medicine Vol.37 No.3
Dear Editor, AML is a group of heterogeneous diseases derived from various cytogenetic and molecular abnormalities that are significant for diagnosis, treatment, and prognosis in many cases. We report a rare case of AML harboring t(11;19)(p15;p12) that was detected with whole-genome sequencing (WGS).