Kim, Sohyun;Kim, Youngjin;Kim, Hyunjung;Nam, Soonhyeun
Journal of the korean academy of Pediatric Dentistry
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v.41
no.1
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pp.47-53
/
2014
Dentin dysplasia is a rare hereditary disturbance characterized by a dental anomaly of the dentin layer. The etiology is unclear, and this rare hereditary disturbance affects approximately one person in every 100,000. Dentin dysplasia is classified into two types, radicular dentin dysplasia as type I and coronal dentin dysplasia as type II. The characteristic clinical findings of dentin dysplasia type I are normal appearance of the crown and hypermobility of teeth. The radiographic findings are obliteration of all pulp canals, short, blunted and malformed or absent roots. Dentin dysplasia type II as coronal dentin dysplasia shows similar clinical features with dentinogensis imperfecta. This report shows a case of dentin dysplasia type I affecting one family except the father. The clinical, radiographic and histopathologic findings of this family are presented. Dentin dysplasia type I is difficult to diagnose unless dentist performs radiographic examination. If the affecting patient does not get regular dental care, dental abscesses or cysts may form spontaneously without caries. In this regard, early diagnosis is important to prevent premature loss of dentition.
Journal of the Korean Institute of Landscape Architecture
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v.45
no.3
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pp.129-140
/
2017
This study aims to interpret the current landscape design of the place and landscape of memory, such as post-industrial parks and memorials that have an old, aging appearance from an aesthetic perspective. The objects of the study are large parks and open spaces that have collective memories for visitors. Visitors' aesthetic experience from these places and landscapes of memory could be explained by aesthetic concepts such as the sublime, nostalgia, and melancholy. Because these aesthetic concepts are associated with past traumas, visitors may be affected morbidly. However, due to the capability of the media to form an aesthetic experience when visitors visit a given place and landscape, visitors can autonomously adjust the distance to the place of memory and gain an aesthetic experience. The aesthetic experiences through the sublime, nostalgia, and melancholy are based on temporality and irreversibility. Temporality here refers to a characteristic of memory, and time in the place and landscape of memory and is based on the irreversibility of time, as time cannot go back. Both the place memory and the memory that is recalled from the combination with visitor's past memories and knowledge are two major factors involved in the construction of the aesthetic experience in the place and landscape of memory. The results of the present study are meaningful in that this study presents a framework for a better understanding and use of both the place memory and appreciators' memory in the design process of a place and landscape of memory and also criticizes a materialistic approach that fails to take into account the visitors' memories.
This study was conducted to investigate the effect of Tofu powder on the quality properties of hamburger patties. Thus, this study analyzed the physicochemical and sensory characteristics of hamburger patties containing Tofu powder(25%, 50%, 75%, 100%) instead of bread crumb. The result was as followed. Increasing the amount of Tofu powder in hamburger patties tended to increase the pH. Moisture content of control was higher than other hamburger patties when containing Tofu powder. Increasing the amount of Tofu powder in hamburger patties tended to decrease the moisture content. There were no significant differences in cooking loss rate regarding the weight. The addition of Tofu powder decreased the cooking loss rate of the diameters and increased the thickness. It also increased the lightness (L), the redness (a), and the yellowness (b) in the hunter color value of the hamburger patties. For the textural characteristics, the addition of Tofu powder increased the hardness, elasticity and gumminess of the hamburger patties; however, it decreased the brittleness. In the sensory evaluation, an addition of 100% Tofu powder had the best score in appearance, taste and the overall preference. Therefore, this result suggests that adding Tofu powder amount of 100% can be applied to the hamburger patties for preference and nutritional aspects purposes. Furthermore, it is believed that the development of healthy patty-type Tofu powder products may resolve worries about fast food and quality-related problems in hamburger patties.
Park, Kwang-Sun;Park, Ho-Won;Lee, Ju-Hyun;Seo, Hyun-Woo
Journal of the korean academy of Pediatric Dentistry
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v.35
no.3
/
pp.539-547
/
2008
Apert syndrome is an autosomal dominant condition characterized by craniosynostosis, midface hypoplasia, and syndactyly of the hands and feet. It occurs in about 1 of every 65,000 to 160,000 births and is caused by a mutation in the fibroblast growth factor receptor 2(FGFR2) gene. Apert syndrome typically produces acrobrachycephaly(tower skull). The occiput is flattened, and there is a tall appearance to the fore head. Ocular proptosis is a characteristic finding, along with hypertelorism and downward slanting lateral palpebral fissures. The middle third of the face is markedly retruded and hypoplastic, resulting in a relative mandibular prognathism. The reduced size of the nasopharynx and narrowing of the posterior choana can lead to mouth breathing, contributing to an open-mouth apprance. Three fourths of all patients exhibit either a cleft of the soft palate or a bifid uvula. The maxillary hypoplasia leads to a V-shaped arch and crowding of the teeth. A 6-year-old male patient visited to the Department of Pediatric dentistry, Kangnung National University of Dental Hospital. He visited the hospital to get treatment of carious teeth. The purpose of this report is to present a specific dental manifestations about the apert syndrome.
The purpose of this study was to explore the identity of home economics(HE) education by assessing perceptions of HE teacher, students, and general adults regarding the images and characteristics of HE education. Respondents in this study were 234 HE teachers, 505 students, and 264 general adults. Questionnaires were collected through both online and offline. The image and the characteristics of HE education were the factors of the identity that were also the byproducts of HE education operation of the past and present, and had the characteristics in changing in accordance with the change of time. The current image of HE education was shown to positive recognition as the curriculum helpful to the actual living and future living for the HE teacher, students, and the general adults. For the HE teacher, it had strong emotionally warm image similar to the image of 'home', and it was connected to the curriculum image to be acknowledged as good problem solving teachers in terms of competence and conservative image. However, on the images of the HE curriculum and HE teacher, the HE teachers had the most positive recognition, and on the image of the HE curriculum, the students had the most negative recognition while the image of the HE teacher, the general adults had the most negative recognition. The general adults among the three groups recognized the HE curriculum as the most technical oriented curriculum while the students recognized as interesting curriculum, curriculum contributing on society. In the meantime, for the characteristic of the HE education, the HE teachers recognized that it had weak female curriculum characteristics and strong living functional curriculum characteristics, and the practical curriculum characteristics would be important in the future. Accordingly, the identity of the HE education formulated might be considered as the practical curriculum that was helpful to problem solving in actual living of the family and family members with the connection to the concept of 'home'. However, depending on the definition on implication of practice and issue of actual living, the characteristics and appearance of the HE education had been changed and might interpret as changing according to the above.for the fertility policy and the methods for the estimation of the child cost were suggested based on the results.
The adult brown planthopper possesses tow oval shaped compound eyes which, on their ventral borders, curve around the base of the antennae. Compound eye of the adult brown planthopper is recognised apposition eye which each ommatidium is optically isolated from it surroundings, the rhabdoms receiving light only from their own corneal lens. Each ommatidium possesses its own dioptric apparatus formed from the cuticular cornea and an underlying crystalline cone. The retinula cells lying immediately beneath the crystalline cone have their individual rhabdomeres tightly opposed to form one central, closed rhbdom. The rhabdom stretches from the spex of the crystalline cone nearly to the basement membrane and is approximately 110~120 $\mu\textrm{m}$ in length. The crystalline cone is surrounded by a pair of primary pigment cells an these in turn are surrounded by accessory pigment cells. Accessory pigment cells extend beyond the crystalline cone surrounding the retinular cells in the distal region of the eye. The crystalline cone is surrounded by the distal-most regions of the retinula cells show the presence of seven cells and sections taken proximally in the last quarter of the omatidium before the basement membrane is reached, reveal the presence of a small, eighth retinula cell which also contributes to the central rhabdom. Each ommatidium has a central rhabdom formed from the modified inner border of all of the retinula cells. Th rhabdom consists of micrvilli arising from the inner wall of each retinula cell. In cross section th microvilli exhibit a characteristic honeycomb appearance. Pigment cells comprise the primary pigment cells enveloping the crystalline cone, the accessory pigment cells extending from the inner surface of the comea to the basement membrane and the small pigment cells of the basement membrane.
The study was conducted to evaluate the feasibility of Mozzarella cheese analogue generation by using a mixture of soy milk and raw milk and to compare the quality of the resultant cheese with that of Mozzarella cheese manufactured using the traditional method. The mixtures showed increase in protein and decrease in lactose and SNF in a dose-dependent manner with the addition of soy milk. The Mozzarella cheese analogue had lower total solids content than the control cheese product, while the fat content was similar between both. The analogue cheese had lower ash content than the traditionally prepared cheese; the content was proportional to the amount of soy milk in the mixture. Higher soy milk quantities within mixtures also resulted in proportionally higher levels of fat content within analogue cheese. Water-soluble nitrogen content was lower in the analogue cheese than in the control cheese. While the WSN level increased in the control cheese, it was almost constant in the analogue cheese. The control cheese had much higher actual and predicted yield than the analogue cheese, while the analogue cheese had a higher stability level. The control cheese had a higher transfer rate than the analogue cheese, with the exception of lactose. Electrophoresis analysis showed bands for Mozzarella cheese analogues that were present in addition to the normal ${\alpha}$-casein and ${\beta}$-casein bands. Physical characteristic analysis showed that hardness was affected by the addition of soy milk to cheese, while cohesiveness and brittleness were affected by the addition of raw milk, and elasticity was barely affected by milk composition. The meltability of the control cheese was higher than that of the analogue cheese and increased during 30 days of storage at $4^{\circ}C$. Browning, oiling-off, and stretching characteristics were almost identical between the 2 types of cheeses. Sensory evaluation findings showed that the control cheese had much better body texture, appearance, and flavor than the analogue cheese.
Clinical and cytomorphological studies were carried out in 32 leukotic cattle from Tokachi and Kushiro districts in Hokkaido during the 12 year period from 1969 to 1980. The leukotic cattle were examined :and divided into four types(15 cases of the adult, 11 cases of the thymic, 4 casas of the calf and 2 cases of the skin types). The results obtained were as follows : 1. As for the frequency of the main clinical signs in each type, In the adult type, the main clinical signs (of decreasing order) are as follows: swelling of the superficial lymph nodes>depression and loss of weight>tachycardia>anorekia, anemia of the visible mucous membrane and tachypnea. Those of the thymic type were swelling of the thymus>swelling of the medial iliac lymph nodes> swelling of the superficial lymph nodes>tachypnea. Those of the calf type were swelling of the auperficial lymph nodes>depression and emaciation>tachypnea>anorexia, tachycardia, anemia of the visible mucous membrane and recumbency. Those of the skin type were generalized urticaria-like lesions in skin and swelling of superficial lymph nodes>and depression and loss of weight in the decreasing order of frequency. In addition, large tumor mass in the pelvic cavity and swelling of the medial iliac lymph nodes were detected through rectal palpation in 33.3% and 100% in the adult type cases, respectively. 2. As for the hematological findings, The frequency of occurrence of decreased erythrocyte counts in the decreasing order were as follows : adult>calf>thymic>and skin types. The increase in the total leukocyte count in the order of decreasing frequency were as follows: calf>thymic>adult>and skin types. The increase in the absolute lymphocyte counts was found to be at a low rate, 62.5% of all the cases examined. By contrast, the increase of 5% or more of abnormal lymphocyte rates was observed at a high rate, 96.9% of the total cases. 3. Abnormal lymphocytes were found in all cases examined for lymph nodes biopsied. 4. From the cytomorphological point of view, leukotic cells were divided into 3 types: reticulum cell, lymphoid cell and monocytic cell types. The adult type leukotic cattle were divided with reticulum cell type (66.7%), the lymphoid cell type(22.6%) and monocytic cell type(6.7%). The thymic type was lymphoip cell type(72.7%) and reticulum cell type(27.3%). In the calf type, all were lymphoid cell type while all of the skin type were reticulum cell type only. 5. The leukotic cattle had higher NP frequency in the blood and lymphoid tissue than non-1 eukotic cattle. Especially the adult type had the highest NP frequency. However, it was not recognized that NP were characteristic of leukotic cattle alone. 6. The above findings lead to the conclusion that the most effective diagnostic methods for bovine leukosis are the confirmation of swelling of the superficial and internal lymph nodes and thymus in addition to appearance of abnormal neoplastic cell in the peripheral blood and lymph nodes biopsied.
Kim, Jong-Hyun;Hwang, Young-Sun;Kim, Hyun-Sil;Nam, Woong;Cha, In-Ho
Journal of the Korean Association of Oral and Maxillofacial Surgeons
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v.35
no.2
/
pp.74-82
/
2009
In order to make successful oral cancer treatment, we need to understand about tumor biology and effective chemotherapeutic agents. To achieve these studies, it is necessary to develope a proper in-vivo model. Therefore the author will make try to develop more improved animal model of more applicable in various method of cancer study. In this study, the author induced in-vivo tumorigenesis in nude mice by $YD-10B_{mod}$ cell line used by YD-10B cell line originated from oral tongue squamous cell carcinoma and observed tumor formations and invasiveness of surrounding tissue, and found some results as follows : 1. The experimental group($YD-10B_{mod}$, subcutaneous injection) produced tumors 13 out of 15 mice, while the control group produced none of 5 mice. 2. The inoculation of $1{\times}10^6$cells/mouse produced tumors 3 out of 5 mice and inoculation of $1{\times}10^7$cells/mouse, $2{\times}10^7$cells/mouse produced tumors in every 5 mice. 3. In the histopathologic studies, the inoculation of $1{\times}10^6$cells/mouse group showed the characteristic features of well-differentiated squamous cell carcinoma and demarcated expansile growth, while the inoculation of $1{\times}10^7$cells/mouse, $2{\times}10^7$cells/mouse group showed the expansile growth with partial central necrosis and invasive growth to surrounding fat & connective tissue. These findings suggest that atopic xenograft of $YD-10B_{mod}$ cell line in nude mice has a improved productivity of tumors, produced tumors showed the characteristics feature of human tumor and invasive growth to surrounding tissue in histopathologic appearance. These atopic nude mouse model of tongue carcinoma might assist in studying oral cancer biology and effective choice of chemotherapeutic agents.
A zeolitic bentonite, which exhibits whitish appearance and contains considerable amounts (nearly 〉 5%) of zeolites, frequently occurs as thin beds less than 1 m in Yeongil area. The bentonites are mostly found in closely association with zeolite beds in the Nuldaeri Tuff and Coal-bearing formations of the Janggi Croup. A discordant occurrence of the bentonite against the bedding plane is also locally found. Montmorillonite, the major mineral constituent of the bentonite, is mostly associated with clinoptilolite as a zeolite. However, instead of clinoptilolite, mordenite is sometimes included in the case of more silicic bentonite, and heulandite in the less silicic one. It is characteristic that the mordenite is accompanied by lots of opal-CT in the silicic bentonite. SEM observations characteristically indicate that these authigenic phases, especially the montmorillonite and zeolite, nearly coexist as mixtures not forming a fine-scale zoning. The zeolitic bentonite seems to be formed in the comparatively silicic pore fluid at the alkaline condition accompanying pH fluctuation Compared to the zeolite-free normal bentonite, the zeolitic types exhibit somewhat higher REE abundance. These chemical characteristics, together with modes of occurrences and authigenic mineral associations, may suggest that the zeolitic bentonite is not merely diagenetic products and a possible hydrothermal alteration could not be excluded in the bentonite genesis.
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