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姜永準 全北大學校 1993 論文集 Vol.36 No.-
The theory on the scattering of electromagnetic waves based on Beckmann's Kirchhoff Approximation was considered the incident light beam as the Gaussian beam in the computer simulation. In this analysis, the roughness in fine scratches was not cosidered because the average roughness was very small compared with the size of scratches. The experiments were followed by the image processing system attached to the CCD camera. The experimental results from the various profiles of scratches were in close agreement with the computer simulations for triangle scratches of the same depth and width especially, in the zero - and first order scattering intensity and scattering angle.
The Fine Scratches of the Spectacle Frames and the Allergic Contact Dermatitis
( In Su Kim ),( Kwang Ho Yoo ),( Myeung Nam Kim ),( Hyuck Ki Hong ),( Yeon Shik Choi ),( Young Chang Jo ),( Beom Joon Kim ),( Ju Suk Lee ) 대한피부과학회 2013 Annals of Dermatology Vol.25 No.2
Spectacle contact allergy is not infrequent. The fine scratches on the spectacle frames which may play a role in the sensitization to the potential allergenic components have not been studied. Objective: We sought the relationship between the scratches on the spectacle frames and the allergic contact dermatitis (ACD) in the Republic of Korea. Methods: A total of 42 Korean patients with ACD at the spectacle contact sites were enrolled. Their spectacle frames were examined with the dimethylglyoxime (DMG) test and analyzed by the scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS). Patch tests (thin-layer rapid use epicutaneous test [TRUE tests]) were performed to identify the skin allergens. Results: The DMG-positive spectacle frames were identified in 78.5% of the frames. The SEM results showed that there were more scratches on the skin-contacting parts of the spectacle frames than the non-skin-contacting parts of the same frames. In the EDS findings, the mean nickel content (weight, %) of the spectacle frames was 15.7±5.5, and the mean chromium content was 20.3±3.4 at the skin-contacting parts. In the TRUE tests, nickel sulphate was the most common allergen (31 cases, 73.8%), and potassium dichromate was the second (9 cases, 21.4%). Three patients presented simultaneous positive reactions with nickel sulphate and potassium dichromate. Conclusion: Minor visible and non-visible fine scratches on the spectacle frames may present the provocation factors of the ACD. Nickel sulphate was the most common allergen suspected of provoking the spectacle frame-induced ACD, followed by potassium dichromate.
정민정 고신대학교의과대학 2008 고신대학교 의과대학 학술지 Vol.23 No.4
Background : The aim of this report is to show the usefulness of nested TBc PCR of fine needle aspiration specimen with scratching of conventional cytologic slide or fresh aspirated material. Material and Method : Twenty seven cases tested by fine needle aspiration cytology and nested TBc PCR are retrospectively collected for about two years. Their cytologic feature and result of nested Tbc PCR are reviewed and compared according to sampling method for nested TBc PCR. Result : The nested TBc PCR among the granulomatous lesion is positive reaction in 4 cases/5 cases(80%) and 7 cases/8 cases (87%) with scratched material from conventional cytologic glass slide and fresh aspirated material, respectively. Two cases among five cases showing necrotic material without granuloma is diagnosed as tuberculous lymphadenitis. Conclusion : Scratched material from conventional cytologic glass slide seem to be also valuable for nested TBc PCR, although small number of collected case is limited. If sufficient material is unavailable for evaluation of tuberculosis, nested TBc PCR with scratched material from conventional cytologic glass slide may be helpful.