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김기영,김종민,함영환,장용근,김종득,장상목 ( Ki Young Kim,Jong Min Kim,Young Hwan Ham,Yong Keun Chang,Jong Deuk Kim,Sang Mok Cahang ) 한국센서학회 1994 센서학회지 Vol.3 No.2
A quartz crystal microbalance (QCM) sensor system for the detection of odorants, especially environmental pollutant, has been constructed by depositing various phospholipids, activated carbon and lead compound pigment onto the surface of the QCM. The characteristics of a QCM operating at 9 MHz deposited with phosphatidyl- choline were analysed. An explanation is given for different odorant affinities based on the monolayer properties of phospholipids. The identification of odorants is discussed in terms of a comparison of their normalized resonant frequency shift patterns and relative response intensities calculated from the response areas. Applying the lead compound pigment coated QCM, it was possible to detect sulfur compound specifically. Using a number of different lipid-coated QCMs, odorants could be identified by comparing the response patterns.
김기영,박정선,이건희,Min Jee Kim,Seong-Wan Kim,박종우,Sang Kuk Kang,Nam-Suk Kim,김익수 한국잠사학회 2022 International Journal of Industrial Entomology Vol.44 No.2
The wild silkmoth Antheraea yamamai Guérin-Méneville, 1861 (Lepidoptera: Saturniidae) is an important producer of silk that is superior to the silk produced by traditional domesticated silkworm. In this study, we sequenced the complete mitochondrial genome (mitogenome) of An. yamamai collected from Jeju Island, which is the southernmost island approximately 100 km offshore southward from the Korean Peninsula. Determining this sequence will be necessary for tracing the biogeographic history of the species and developing molecular markers for identifying the origin of commercial products. Comparison of the sequence divergence among two available and the current mitogenomes revealed a low but substantial number of substitutions, totaling 23 nucleotides in the whole genome. CytB and ND5 showed the highest variability with five and four variations, respectively, suggesting that these regions will be prior regions to target for subsequent biogeographic and diagnosis study. Phylogenetic reconstruction based on all available sequences of Saturniidae showed that An. yamamai is a sister to the congeneric species An. pernyi, corroborating that Antheraea is a highly supported monophyletic group. The tribe Saturniini was clearly non-monophyletic and interrupted by Attacini and Bunaeini.
김기영,차진우,최석호,변창규,고영택,서동엽,Ki Young Kim,Jin Woo Cha,Seok Ho Choi,Chang Gyu Byun,Ph.D.,Young Taek Koh,M.D. and Dong Yup Seo,Ph.D. 대한갑상선-내분비외과학회 2010 The Koreran journal of Endocrine Surgery Vol.10 No.4
Purpose: The study evaluated elastography, a technique that allows differentiation between pathological and normal tissue by determination of tissue hardness. Methods: From March 2009 to April 2010, 25 consecutive patients with thyroid nodules who were referred for surgical treatment were examined in this prospective study. Thirty nodules in these patients were examined by conventional ultrasound, ultrasound elastography, and fine needle aspiration cytology. Lesions were scored (1∼3) according to hardness based on the Ueno classification system. The final diagnosis was based on histopathologic results. Results: Of the 30 thyroid nodules, four were classified as benign and 26 were malignant. Two of the nodules with an elastography score of 1 were benign and 17 nodules whose elastography score was 3 were malignant. Two benign nodules and nine malignant nodules had an elastography score of 2. Applying an elastography score exceeding 2 as a indicator for malignancy determined that the sensitivity and specificity of the ultrasound elastography was 100.0% and 50.0%, respectively, the positive and negativepredictive values were 92.9% and 100.0%, respectively, and the accuracy of the technique was 93.3%. Conclusion: Ultrasound elastography may be a useful adjunct to ultrasonography in the identification of indeterminate thyroid nodules for which tissue diagnosis is required. (Korean J Endocrine Surg 2010;10:229-234)