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방향족 아민 화합물과 풀러렌 산화물의 [C70(O)n](n≥1)의 초음파 화학 반응
고원배 ( Weon Bae Ko ),박병은 ( Byoung Eun Park ),이영민 ( Young Min Lee ) 한국고무학회 2008 엘라스토머 및 콤포지트 Vol.43 No.1
FeCl3를 첨가한 초음파 조건에서 4-nitroaniline, 3-nitroaniline, and 4-isopropylaniline등의 방향족 아민 화합물과 풀러렌 산화물[C70(O)n] (n≥1)을 반응시켰다. 이 반응은 방향족 아민 화합물을 사용한 풀러렌 산화물 쪼개짐 반응이다. MALDI-TOF-MS and UV-vis spectra를 사용하여 생성된 화합물이 아민화 풀러렌 유도체임을 확인하였다. Sonochemical reaction of fullerene oxides, [C70(O)n] (n≥1) with several aromatic amines such as 4-nitroaniline, 3-nitroaniline, and 4-isopropylaniline, in the presence of FeCl3 were investigated under ultrasonic irradiation. This method is applicable to a wide variety of aromatic amines especially ring deactivated, to afford the corresponding cleavage products under mild conditions. The aminated fullerenes were confirmed by MALDI-TOF-MS and UV-vis spectra.
남수연,김경욱,김경래,임승길,이현철,허갑범,송기섭,조승현,박병은,허애정,최성우,박우일,송영득 대한내분비학회 2001 Endocrinology and metabolism Vol.16 No.2
Thyrotoxicosis factitia, a syndrome that results from a surreptitious ingestion of excess thyroid hormone, has generally been diagnosed in young or middle-aged women who have psychopathological disturbances. An 18-year-old female was admitted to the hospital 24 hours after taking an overdose of more than 50 tablets of synthyroid (levothyroxine, 5㎎). She had taken 6 to 9 tablets of synthyroid daily for 6 months for the purpose of weight reduction even though she was not overweight. Because of her stuporous mental state and an acute respiratory failure, she was intubated and treated in the intensive care unit. After careful history taking and after her plasma thyroid hormone levels were determined, we diagnosed a thyroid storm that was caused by a thyrotoxicosis factitia. The laboratory results were, T_3 430.0 ng/dL, free T_4 70.0 ng/dL, TSH 0.05 μIU/mL. Her symptoms improved after treatment by steroids and propranolol. She was discharged 8days after admission. Cases of thyrotoxicosis factitia have been reported very infrequently and, there has been no reports of a thyroid storm due to thyrotoxicosis factitia in Korea. We now report a case of a thyroid storm that resulted from thyrotoxicosis factitia that was caused by the ingestion of a massive dose of thyroid hormone that was takan daily for 6 months. We also present a brief review of the relevant literature