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김훈,임재석,최성원,김호겸,권종진,최미숙,김성문 大韓顎顔面成形再建外科學會 1996 Maxillofacial Plastic Reconstructive Surgery Vol.18 No.1
There are various defects caused by trauma or resection of maignant tumor in the orofacial region, which can be reconstructed with various regional and pararegional flaps. Among these defects, it is very difficult to reconstruct palatal and midfacial defects after maxillectomy and patients have problems in speaking and swallowing of food. Therefore it is very important for surgeons to reconstruct these defects functionally and esthetically and to return the patients to the normal social activity. These defects are usually obturated with prosthodontic appliances to assist the phonation and swallowing. But nowadays surgical reconstruction by various flaps was considered and performed for better rehabilitation. For this purpose the forehead flap, the nasolabial flap, the tongue flap, the sternocleidomastoideous flap, the temporal flap, the latissimus dorsi flap, the scapular flap etc. are used. We reconstructed small-sized plalatal defects with tongue flap, medium-sized palatal and maxillary defects after maxillectomy with temporal myofascial flap and large midfacial defects including eyeball exenteration with latissimus dorsi myocutaneous flaps. Here we are to report 5 cases of these flaps used for the reconstruction of palatal and midfacial defects and consider the versatility, reliability and limitation in use of these flaps.
Kim, Jae Kyeom,Shin, Eui-Cheol,Lim, Ho-Jeong,Choi, Soo Jung,Kim, Cho Rong,Suh, Soo Hwan,Kim, Chang-Ju,Park, Gwi Gun,Park, Cheung-Seog,Kim, Hye Kyung,Choi, Jong Hun,Song, Sang-Wook,Shin, Dong-Hoon Hindawi Publishing Corporation 2015 Journal of analytical methods in chemistry Vol.2015 No.-
<P>Few studies have investigated <I>Seomae</I> mugwort (a Korean native mugwort variety of <I>Artemisia argyi</I> H. Lév. & Vaniot), exclusively cultivated in the southern Korean peninsula, and the possibility of its use as a food resource. In the present study, we compared the nutritional and chemical properties as well as sensory attributes of <I>Seomae</I> mugwort and the commonly consumed species <I>Artemisia princeps</I> Pamp. In comparison with <I>A. princeps, Seomae</I> mugwort had higher contents of polyunsaturated fatty acids, total phenolic compounds, vitamin C, and essential amino acids. In addition, <I>Seomae</I> mugwort had better radical scavenging activity and more diverse volatile compounds than <I>A. princeps</I> as well as favorable sensory attributes when consumed as tea. Given that scant information is available regarding the <I>Seomae</I> mugwort and its biological, chemical, and sensory characteristics, the results herein may provide important characterization data for further industrial and research applications of this mugwort variety.</P>
Kim, Mi-Sun,Park, Seung-Bin,Suk, Kyoungho,Kim, In Kyeom,Kim, Sang-Yong,Kim, Jeong-Ah,Lee, Seung Ho,Kim, Sang-Hyun Pharmaceutical Society of Japan 2009 Biological & pharmaceutical bulletin Vol.32 No.6
<P>Gallotannins are plant secondary metabolites and are widely included to polyphenolic compounds. Gallotannins are water-soluble polyphenols with wide-ranging biological activities. Nitric oxide (NO) is well known as a mediator of inflammation. Macrophages express inducible nitric oxide synthase (iNOS) and produce NO after lipopoly saccharide (LPS) stimulation. In the present study, we examined the inhibitory effects of seven gallotannins isolated from <I>Euphorbia</I> species (Euphorbiaceae) on the LPS-induced NO production and underlying mechanisms of action. Among the seven gallotannins, 1,2,3,4,6-penta-<I>O</I>-galloyl-β-<SMALL>D</SMALL>-glucose (gallotannin 15) and 1,2,6-tri-<I>O</I>-galloyl-β-<SMALL>D</SMALL>-allose (gallotannin 23) significantly reduced LPS-induced NO production in macrophages. Gallotannin 15 and 23 (0.1—10 μg/ml) dose-dependently decreased gene expression and production of iNOS. In addition, gallotannin 15 and 23 (0.1—10 μg/ml) dose-dependently inhibited LPS-induced activation of nuclear factor (NF)-κB as indicated by inhibition of degradation of I-κBα, nuclear translocation of NF-κB, and NF-κB-dependent gene reporter assay. Our results suggest that gallotannins possess an inhibitory effect on the LPS-induced inflammatory reaction.</P>
Nonvolatile Memory Characteristics of Double-Stacked Si Nanocluster Floating Gate Transistor
Kim, Eun-Kyeom,Kim, Kyong-Min,Son, Dae-Ho,Kim, Jeong-Ho,Lee, Kyung-Su,Won, Sung-Hwan,Sok, Jung-Hyun,Hong, Wan-Shick,Park, Kyoung-Wan The Institute of Electronics and Information Engin 2008 Journal of semiconductor technology and science Vol.8 No.1
We have studied nonvolatile memory properties of MOSFETs with double-stacked Si nanoclusters in the oxide-gate stacks. We formed Si nanoclusters of a uniform size distribution on a 5 nm-thick tunneling oxide layer, followed by a 10 nm-thick intermediate oxide and a second layer of Si nanoclusters by using LPCVD system. We then investigated the memory characteristics of the MOSFET and observed that the charge retention time of a double-stacked Si nanocluster MOSFET was longer than that of a single-layer device. We also found that the double-stacked Si nanocluster MOSFET is suitable for use as a dual-bit memory.
Kim, Jae Kyeom,Lim, Ho-Jeong,Kim, Mi-So,Choi, Soo Jung,Kim, Mi-Jeong,Kim, Cho Rong,Shin, Dong-Hoon,Shin, Eui-Cheol Medknow PublicationsMedia Pvt Ltd 2016 Pharmacognosy magazine Vol.12 No.47
<P><B>Background:</B></P><P>The central nervous system is easily damaged by oxidative stress due to high oxygen consumption and poor defensive capacity. Hence, multiple studies have demonstrated that inhibiting oxidative stress-induced damage, through an antioxidant-rich diet, might be a reasonable approach to prevent neurodegenerative disease.</P><P><B>Objective:</B></P><P>In the present study, response surface methodology was utilized to optimize the extraction for neuro-protective constituents of <I>Camellia japonica</I> byproducts.</P><P><B>Materials and Methods:</B></P><P>Rat pheochromocytoma cells were used to evaluate protective potential of <I>Camellia japonica</I> byproducts.</P><P><B>Results:</B></P><P>Optimum conditions were 33.84 min, 75.24%, and 75.82°C for time, ethanol concentration and temperature. Further, we demonstrated that major organic acid contents were significantly impacted by the extraction conditions, which may explain varying magnitude of protective potential between fractions.</P><P><B>Conclusions:</B></P><P>Given the paucity of information in regards to defatted <I>C. japonica</I> seed cake and their health promoting potential, our results herein provide interesting preliminary data for utilization of this byproduct from oil processing in both academic and industrial applications.</P><P><B>SUMMARY</B></P><P><P>Neuro-protective potential of <I>C. japonica</I> seed cake on cell viability was affected by extraction conditions</P><P>Extraction conditions effectively influenced on active constituents of <I>C. japonica</I> seed cake</P><P>Biological activity of <I>C. japonica</I> seed cake was optimized by the responsive surface methodology.</P></P> >[FIG OMISSION]</BR><P><B>Abbreviations used:</B> GC-MS: Gas chromatography-mass spectrometer, MTT: 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, PC12 cells: Pheochromocytoma, RSM: Response surface methodology.</P>
Quality Evaluation on Use of Camellia Oil as an Alternative Method in Dried Seaweed Preparation
Kim, Jae Kyeom,Park, Hui Gyu,Kim, Cho Rong,Lim, Ho-Jeong,Cho, Kye Man,Choi, Jine Shang,Shin, Dong-Hoon,Shin, Eui-Cheol The Korean Society of Food Science and Nutrition 2014 Preventive Nutrition and Food Science Vol.19 No.3
The fatty acid and volatile compound compositions of camellia oil were analyzed in this study. The impacts of the replacement of conventional vegetable oil with camellia oil on the sensory attributes of dried seaweed were also determined. C18:1 (83.59%), followed by C16:0 and C18:2, were the most abundant fatty acids in camellia oil. A total of 11 and 32 volatile compounds were identified in camellia oil and sesame oil, respectively. In the preference test, the camellia oil samples received a higher, although insignificant, liking rating in overall acceptability of appearance. Overall, there were no differences between the sensory attributes of camellia oil and sesame oil. This finding, combined with the unique fatty acid composition, thermal stability, and health benefits of camellia oil indicate that further study into the use of camellia oil in foods is warranted.