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김선구,이용규,김두현,원종명 한국펄프·종이공학회 2014 펄프.종이技術 Vol.37 No.5
In this study, in order to investigate the influence of insolubilizer on the double coating structure, we carriedout basic research related to the double coating formulation with four insolubilizers having variouschemical types such as amino aldehyde, glyoxal and two metallic salts. It was found that although thefour insolubilizers showed similar results on optical and surface properties of the coated papers, they gavedifferent results in the printabilities of the coated papers since coating structure was significantly influencedby different reacting mechanism of the insolubilizers. Three of the insolubilizers (glyoxal, twometallic salts) showed better results than amino aldehyde type one when they were applied to top coatingformulation. Metallic salts type insolubilizers showed good results in the print gloss when it was appliedto top coating formulation. It was believed that amino aldehyde type insolubilizer applied top coating formulationshowed good both of dry-pick and wet-pick strength.
김선구,이태민,김유진,이세일 대한두개안면성형외과학회 2011 Archives of Craniofacial Surgery Vol.12 No.1
Purpose: Sarcoidosis is a systemic noncaseating granulomatous disease of an unknown origin, and can involve any organ including the skin. The infiltration of sarcoid granuloma in an old cutaneous scar is an uncommon cutaneous manifestation of sarcoidosis. This paper reports a 35-year old female who presented with cutanesous nodules in previous facial scars. Methods: A 35-year-old female presented with cutaneous nodules for 2 months in previous scars of the forehead and lower lip that she had acquired in the childhood. An excisional biopsy of the lower lip mass, serologic examinations and radiologic studies were performed. Results: The excisional biopsy revealed noncaseating granulomas consistent with sarcoidosis. Chest CT revealed both hilar and paratracheal lymphadenopathy with nodular densities in both lung fields. Routine laboratory tests, serologic tests, serum angiotensin converting enzyme level, sputum for acid-fast bacilli, ophthalmoscopic examination, TB-PCR and NTM-PCR showed normal findings. Therefore, the patient was diagnosed with sarcoidosis. The patient refused fiberoptic bronchoscopy and medication with oral steroid. Currently, the clinical manifestation and progress are being monitored closely, and treatment is expected to start with oral steroid according to the progress. Conclusion: For the proper management of cutaneous sarcoidosis, particularly scar sarcoidosis, plastic surgeons should be aware of the many clinical and histopathological features of sarcoidosis and recommend a systemic evaluation for early diagnosis and proper treatment. (J Korean Cleft Palate Craniofac Assoc 12: 71, 2011)