• Journal of Korean Neurosurgical Society
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• v.30 no.12
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• pp.1439-1442
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• 2001

Solitary fibrous tumor(SFT) is a spindle cell neoplasm that usually arises in the pleura. Its involvement of the meninges is rare but increasingly being reported. Our case was a 33-year-old man who presented with clonic seizure around the right mouth angle and sensory disturbance at the right hand. Radiological studies showed a large extra-axial, dural-based mass in the left fronto-parietal region, typically isointense with gray matter and heterogeneous strong enhancement on T1-weighted images. Histologically, the tumor was composed of spindle-shaped cells growing in fascicles within the collagenous matrix. Immunohistochemical staining demonstrated diffuse CD34 positivity. Awareness of this neoplasm is necessary to accurate diagnosis.

• Korean Journal of Head & Neck Oncology
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• v.24 no.1
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• pp.80-82
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• 2008

Epidermoid cysts can be found anywhere in the body, particularly in areas where embryonic elements fuse together. Most cases have been reported in the ovaries, the testicles, as well as the hand and feet. Epidermoid cysts in mouth are uncommon and account for less than 0.01% of all oral cysts. The treatment of choice is complete surgical excision and prognosis is excellent. The purpose of this article is to describe two cases of an epidermoid cyst in the oral cavity mucosa and a review of the literature.

• Biomolecules & Therapeutics
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• v.31 no.3
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• pp.350-358
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• 2023

Hand-foot-and-mouth disease (HFMD) is a viral infectious disease that occurs in children under 5 years of age. Its main causes are coxsackievirus (CV) and enterovirus (EV). Since there are no efficient therapeutics for HFMD, vaccines are effective in preventing the disease. To develop broad coverage against CV and EV, the development of a bivalent vaccine form is needed. The Mongolian gerbil is an efficient and suitable animal model of EV71 C4a and CVA16 infection used to investigate vaccine efficacy following direct immunization. In this study, Mongolian gerbils were immunized with a bivalent inactivated EV71 C4a and inactivated CVA16 vaccine to test their effectiveness against viral infection. Bivalent vaccine immunization resulted in increased Ag-specific IgG antibody production; specifically, EV71 C4a-specific IgG was increased with medium and high doses and CVA16-specific IgG was increased with all doses of immunization. When gene expression of T cell-biased cytokines was analysed, Th1, Th2, and Th17 responses were found to be highly activated in the high-dose immunization group. Moreover, bivalent vaccine immunization mitigated paralytic signs and increased the survival rate following lethal viral challenges. When the viral RNA content was determined from various organs, all three doses of bivalent vaccine immunization were found to significantly decrease viral amplification. Upon histologic examination, EV71 C4a and CVA16 induced tissue damage to the heart and muscle. However, bivalent vaccine immunization alleviated this in a dose-dependent manner. These results suggest that the bivalent inactivated EV71 C4a/CVA16 vaccine could be a safe and effective candidate HFMD vaccine.

• Journal of Haehwa Medicine
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• v.13 no.2
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• pp.277-287
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• 2004

I have come to next conclusions in consequence of documentary study about medical books of many generations regarding venesection therapy. 1. Venesection therapy is much used for five sensory organ disease. Besides that internal disease, pain paralysis disease of muscle and joints, sugical disease, disease of woman and children, fever sunstroke CVA emergency case follow that in the order of frequency of use. 2. It is used for swollen tongue, eye pain, pharyngitis, swelling and pain in the throat, bleeding from the eye ear nose mouth or subcutaneous tissue, tonsillitis, aphthae and so on in the five sensory organ disease. Focus, sosang, jinjin yuye, taiyang, baihui are used for five sensory organ disease in the order of frequency of use. 3. It is used for malaria, headache, precordial pain, head-wind, abdominal colic, diseases characterized by acute diarrhea and vomiting, and so on in the Internal disease. Superficial venules and lymph vessesls, taiyang, quze are used for Internal disease in the order of frequency of use. 4. It is used for low back pain, hypochondriac pain, numbness, knee pain, tinea pedis, red swelling pain of hand and arm, flaccidity-syndrome, and so on in the pain paralysis disease of muscle and joints. Weizhong, superficial venules and lymph vessesls, Ashi point, zhigou are used for pain paralysis disease of muscle and joints in the order of frequency of use. 5. It is used for furuncle, tinea capitis, and so on in the sugical disease. Focus, weizhong are used for sugical disease in the order of frequency of use. 6. It is used for inflammatory disease with redness of skin, and so on in the disease of woman and children. Focus, weizhong, yanglingquan, yaoshu, sanyinjiao are used for disease of woman and children in the order of frequency of use. 7. It is used for fever, CVA, sunstroke, cadaverous coma, common cold, and so on in the fever sunstroke CVA emergency case. Sosang, weizhong, chize are used for fever sunstroke CVA emergency case in the order of frequency of use. 8. The urinary bladder channel of foot-taiyang is most used. Next there are the du channel, the stomach channel of foot-yangming, the lung channel of hand-taiyin, the gall baldder channel of foot-shaoyang, the triple-warmer channel of hand-shaoyang, the large intestine channel of hand-yangming, the spleen channel of foot-taiyin, the kidney channel of foot-shaoyin the pericardium channel of hand-jueyin the liver channel of foot-jueyin, the ren channel, the heart channel of hand-shaoyin, the small intestine channel of hand-taiyang in the order of frequency in use. 9. Superficial venules and lymph vessesls, focus, five shu points, extra-point, back point are used in the venesection therapy, those are characteristic of locating an acupuncture point.

• 한국해양학회지
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• v.25 no.2
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• pp.62-73
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• 1990

An experimental study is performed in order to catch the characteristics of the flow field at arrested salt wedge, using a rectangular open channel. Arrested salt wedge is generally so stable that the observations are easy, but velocities and interfacial waves are measured with the aid of visualization method, by injection of fluorescent dyes. The density interface, which is defined as the zone of maximum density variation with depth, exists in about 0.5 cm below the visual interface, and vertical density profile is quite well satisfied with Homeborn model. Interfacial layer has high turbulent intensity and its thickness decreases as the overall Richardson number increases and has magnitude of roughly 17% of upper layer. Cross-sectional velocity distribution just shows the influence of a side-wall friction and in the upper layer vertical velocity profile also becomes uniformly as Reynolds number increases, but in the lower layer it shows nearly parabolic type. Supposes that we divide salt wedge into three domains, that is, river mouth, intermediate and tip zone, entertainment coefficient is small at the intermediate zone and large at the river mouth and the tip zone. River mouth or intermediate zone has comparatively stable interface and capillary wave therefore s produced and propagated downstream. On the other hand, tip zone is very unstable, cusping ripple or bursting ripple is then produced incessantly. Arrested salt wedge form is nearly linear and has no relation to densimetric Froude number and Reynolds number.

• Journal of the Korean Society of Clothing and Textiles
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• v.32 no.9
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• pp.1333-1342
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• 2008

This study intended to evaluate the visual sensibility of textiles of knitting simulation through the painting function of SDS-ONE, a computer knitting system, with the use of various fancy yarns for hand knitting. For this study, six kinds of fancy yarns with difference manufacturing style and form were selected: loop yarn, tamtam yarn, fur1 yarn, fur2 yarn, ladder yarn, and tape yarn. In order to create a computer knitting simulation, paint function of SDS-ONE was employed to scan the fancy yarns for hand knitting with a scanner. Then, after the registration of the yarns as data, the yarn was brought in for knitting simulation in plain stitch with 3 gauge. After that a survey was conducted involving 60 female experts in their twenties. Using SPSS 12.0, factor analysis, reliability, Pearson correlation coefficient, ANOVA, Duncan test, and regression analysis were performed to analyze the collected data. First, according to the result of analyzing the visual sense factor, three factors of the 'inflexibleness/ruggedness sense', 'lightweight sense', and 'smoothness sense' was extracted. According to the result of analyzing the visual sensibility factor, three factors of the 'activity', 'grace', and 'purity' was extracted. Second, With regard to preference and purchase intention, the knitted fabric with tamtam yarn(H2) was preferred than the other samples, indicating that the respondents had intention to purchase it. As for word-of-mouth intention, H2 ranked the first place, implying the respondents had intention to recommend it to other people. Third, the examination of the use of products each knitting simulation knit found that sweater and muffler are the most appropriate knit products. And H2 was the most suitable sample for sweater and muffler products. This study tried to prove that knit textile can be visually evaluated through a computer knitting simulation without the actual knitting and then to provide accurate data to related companies or the academic circle.

• Journal of dental hygiene science
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• v.21 no.1
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• pp.1-7
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• 2021

Background: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is transmitted primarily through droplets, and dental practitioners are at risk of occupational exposure to SARS-CoV-2 infection owing to direct contact with the patient's mouth, aerosols from dental procedures, and saliva. Wearing a mask is believed to be the best method of protection against infection, and a systematic literature review was conducted on whether the dental masks used in dentistry are effective in preventing Coronavirus Infectious Disease-19 (COVID-19). Methods: We used PubMed, Google Scholar, DBpia, NDSL, and KISS databases for this study. Of the 917 documents narrowed down by the search terms "Coronavirus, COVID-19, and dental," 83 documents were collected and studied. Ultimately, 42 of these papers were selected for analysis after considering duplication from the flow chart of the literature selection process. Results: While dental masks are often used when treating patients with unknown COVID-19 status, the Ministry of Food and Drug Safety stated that the use of dental masks is insufficient in preventing cross-transmission of COVID-19; instead, it was recommended that N95 masks, which correspond to KF94 masks, should be worn daily. On the other hand, wearing a dental mask and following precautions such as hand hygiene may not pose a significantly higher risk of infection than wearing an N95 mask when treating COVID-19 patients. Conclusion: There is an ongoing discussion regarding the use of dental masks when treating dental patients, and many argue that different types of masks should be selected according to the degree of infection and the individual's respiratory condition. By considering the safety and efficacy of dental masks in preventing infection, improvements can be made in the management of COVID-19 and dental-related infections.

• The Korean Journal of Health Service Management
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• v.6 no.4
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• pp.1-12
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• 2012

The objective of this study was to identify the current status of use and respective work scopes of dental hygienists and nursing assistants as perceived by dentists, thereby obtaining a model for how to efficiently use oral health assistance personnel. This study was based on a self-reported survey administered to a total of 126 dentists. The following findings were observed. Where competition among neighborhood clinics was relatively high, nursing assistants tended to be used as a resource to assist dental hygienists, whereas where it was relatively low, they were more likely to be considered to work as full substitutes for regular dental hygienists. Looking at the scopes of practice, dental hygienists were allowed to deal with matters of preventive care, oral health education, and health insurance claims. On the other hand, nursing assistants were allowed to be in charge of taking X-ray pictures from the outside and inside of mouth and keeping medical devices clean and safe. This study is expected to contribute to establishing more reasonable oral heath personnel structure design decisions.

• Journal of Fashion Business
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• v.8 no.3
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• pp.10-19
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• 2004

The purpose of this research is to reveal the antimicrobial activity of pet-dog clothes by investigating the bacteria resistance of 4 kinds of pet-dog clothes materials. 1. Investigation Results of Pet-Dog Clothes 64.7% of 150 survey participants, revealed they had pet-dog clothes. Hand laundering was 67.0%, while the laundering of both human and animal clothes was 9.2%. The greatest washing frequency was once every 2 weeks. So, the subjects didn't seem to think high of hygienic matters. Even though no if any relations were reported by 34.7% of the subjects, there were some experiences like sneezing or coughing (41.3%), slight itching (20.7%), and acute skin allergies. There were such hugging methods as heart to heart to the center (22.7%), face to face and around the mouth (16.7%), and below the heart with the dog's face outward (15.3%). Thus, hugging the dog near the pet-lover's face seems to be the cause of respiratory diseases including sneezes and coughs. 2. Results of the Anti-Bacteria Experiment of Pet-Dog Clothes Materials According to the analysis of the germs collected and cultured in this study to reveal the properness of pet-dog clothes materials, they were bacteria or bacilli in shapes. Spore growth was active in the order of such experimental materials as artificial leather > cotton > cotton/ nylon > polyester (finest thread). In terms of germ groups, the order was polyester(finest thread) > cotton > cotton/ nylon > artificial leather.

• Journal of Korean Society of Industrial and Systems Engineering
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• v.35 no.4
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• pp.33-40
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• 2012

Dentists are known to be highly exposed to the musculoskeletal disorders (MSD). The present study investigated the prevalence of MSD among Korean dentists and association between their MSD and physical workload. In addition, detailed causes related to the physical workloads were identified in dental operation, and needs for improvement of dental instrument and environment were collected from Korean dentists. The standardized Nordic questionnaire was used to survey body troubles and three types of questionnaires were made to investigate the physical workloads, causes of the physical workloads and improvement priority of dental equipments, respectively. A total of 104 Korean dentists were participated in the survey. Neck trouble (82%) was the most prevalent in Korean dentists, and shoulder (68%) and low back trouble (56%) followed, while low back trouble was reported to be most frequent in previous studies. The body troubles were related to the physical workload of the corresponding body parts, although they were not associated with personal characteristics. Most Korean dentists selected 'to keep direct view inside patient's mouth' and 'no support of the hand with dental instruments' as the causes of awkward and strenuous work postures. They wanted design improvement for some equipment in their operating room such as operating light and arrangement of workplace.