Stature is one of the unique biological properties of a person, which can be used for identification of the individual. In this regard, statures are estimated for the unknown victims from crimes and disasters. However, the accuracy of estimates may be compromised by inappropriate methodologies and/or practices of stature estimation. Discussed in this study are the methodological issues related to the current practices of forensic anthropological stature estimation in Korea, followed by suggestions to enhance the accuracy of the stature estimates. Summaries of forensic anthropological examinations for 560 skeletal remains, which were conducted at the National Forensic Service (NFS), were reviewed. Mr. Yoo Byung-eun's case is utilized as an example of the NFS's practices. To estimate Mr. Yoo's stature, Trotter's (1970) femur equation was applied even though the fibula equation of a lower standard error was available. In his case report, the standard error associated with the equation (${\pm}3.8cm$) was interpreted as an 'error range', which gave a hasty impression that the prediction interval is that narrow. Also, stature shrinkage by aging was not considered, so the estimated stature in Mr. Yoo's case report should be regarded as his maximum living stature, rather than his stature-at-death. Lastly, applying Trotter's (1970) White female equations to Korean female remains is likely to underestimate their statures. The anatomical method will enhance the accuracy of stature estimates. However, in cases that the anatomical method is not feasible, the mathematical method based on Korean samples should be considered. Since 1980's, effort has been made to generate stature estimation equations using Korean samples. Applying the equations based on Korean samples to Korean skeletal remains will enhance the accuracy of the stature estimates, which will eventually increase the likelihood of successful identification of the unknowns.
The objectives of this paper are to investigate hunting, stock raising, sacrifice recorded in the oracle bone inscriptions of Shang Dynasty. I want to raise two basic questions. First, what were the functions of hunting, stock raising, sacrifice, which constructed the world of life in Shang Dynasty? Second, what were the relationships of gods, men, animals derived from them? These questions are brought up to how the commoners of Shang Dynasty build the world and perceive it. I adopted positively prevalent theories for answering those questions. I am particularly provided with Michael J. Puett's insightful remarks in this presentation. He criticizes the previous viewpoint that the relationships of gods and men in ancient China were harmonious and mutually respondent. According to him, in the ancient way of thinking of China the world of gods was full of whimsical and unpredictable power and also contained the risks, which led to disaster to the human world. So it is needed to be controled in a certain way. The sacrifice and the divination must have been instruments for controlling it in ancient China. In the same vein his arguments can be applied to the special connotations of hunting and stock raising, by the benefit of which I developed my own ideas in this paper. The conclusions are as follows. First, Shang dynasty tried to suppress the latent danger of two worlds. The nature represented by animals and the world of gods were respectively considered as the unknown domains, which is to threatening human life. Hunting, stock raising, sacrifice were the ways and means of controlling these two domains of power, which cause chaos in life. Second, the relationships among gods, men, animals had various functions and changed their status role, depending on the circumstances. Hunting and stock raising were important methods to domesticate animals with violence. In this domestication process animals became "victims" but animals are also to be the messengers to gods through being slain in the sacrifice. In this way animals are both inferior and superior to men and hold a unique status between gods and men.
Faculty performance evaluation system has been settled down as an uncomfortable but unavoidable system, and it is one of the most important factors to grow the college competitiveness up. In this study, we selected and surveyed faculty evaluation models of several universities and colleges in Korea, and analyzed by comparing each evaluation areas of educational achievement, college-industry collaboration, research, and service. We also identified the properties of the current faculty evaluation models of the junior colleges, and derived several problems from these models such as an imitation of four-year university model, a disorders of job evaluation with respect to the attributes of classified jobs, a large variation of individual item weights, and an insufficient reflection of major characteristics. Based on these surveys and analysis, an improved faculty evaluation model for the junior college is proposed in this study. This model proposed four basic areas-educational achievement, college-industry collaboration, research, and service by considering the importance of the college-industry collaboration in the junior college-as well as the team evaluation area. Weights of the SCI-class paper was selected as a criterion for the arrangement of objective comparison of each evaluation items. We showed the integration method of several different evaluation model with respect to the attributes of classified jobs of each faculties, and evaluation plan of variational characteristics according to the majors of individuals in this model. Finally, we introduced an area fail and rating system to operate efficiently the proposed faculty evaluation model.
The purpose of this study was to examine how the vocational high school teachers perceive the direction of the ideal high school vocational education when suggesting mutual contrast positions on the desirable direction of high school vocational education. 1253 teachers from 25 specialization high schools nationwide participated in the survey. Through the review of previous research, we confirmed the axis of new vocationalism, vocationalism, and humanism on the purpose of vocational education. As a result of investigating the perception of vocational high school teachers about the purpose of vocational education, they tended to recognize the purpose of high vocational education toward vocationalism. In other words, rather than acquiring transferable skills, it is important to acquire concrete skills in specific areas, and it is more important to acquire specific skills that can be utilized immediately after graduation rather than coping with the changing job world. Teachers also recognized that it is more important to organize the contents of education according to the needs of industries and companies than to construct education contents for student 's holistic development. There was also a tendency for teachers to recognize that it is important to prepare them for work immediately after graduation rather than preparing them for as wide a career choice as possible. There was a tendency for the male teacher to perceive the purpose of vocational education more pro vocationalism than the female teacher. In addition, professional subject teachers recognized more pro vocationalism than general subject teachers. As a result of the regression analysis, it was found that gender and subject(professional subject vs. general subject) were significant variables related to vocationalism. And suggested that a careful approach is needed in the policy decision making process when considering the limitations of overly vocationally oriented education and the risks of frequent changes in the purpose and direction of high school vocational education.
Daehoon Ham's novel 'Cheongchunbo' features a studier as the main character who majored in Russian literature and admired the culture of the Soviet Union. From his viewpoint, the novel reproduces North Korean society before and after its independence from Japan. In this regard, it shows multilayered presence related to Russian culture and Soviet Russia. Such an aspect is based on the sense of sympathy that the main character has. The sense of sympathy is originated from the main character's admiration for the exoticism of Soviet culture which was forbidden during the late Japanese occupation. After Korea's independence from Japan, Russian was replaced by English. Such change also occurred in the main character's viewpoint. He underwent a change in his integrative viewpoint on Russian and Soviet under the name of Red Army. After defecting to South Korea, he began to put Russia down as a den possessed by the devil called 'communism.' In the meantime, Russia and Soviet have been separated from each other in ideological terms. The novel 'Cheongchunbo' stresses that the decisive cause of such changes is argued over trusteeship. The main character, fascinated by the presence of exotic Soviet, predicates that Soviet is a political symbol around the national division caused by the trusteeship. His change alluded to the life path of Korean authors who translated Russian literature after independence. During the Japanese occupation, Russian literature translated into Korea was a longing for forbiddance and admiration for Russia. However, the Russia presented in Daehoon Ham's novel before and after independence implies that the romantic translation has ended.
Food security has been a main global issue due to climate changes and growing world population expected to 9 billion by 2050. While biodiversity is becoming more highlight, breeders are confronting shortage of various genetic materials needed for new variety to tackle food shortage challenge. Though biotechnology is still under debate on potential risk to human and environment, it is considered as one of alternative tools to address food supply issue for its potential to create a number of variations in genetic resource. The new technology, phenomics, is developing to improve efficiency of crop improvement. Phenomics is concerned with the measurement of phenomes which are the physical, morphological, physiological and/or biochemical traits of organisms as they change in response to genetic mutation and environmental influences. It can be served to provide better understanding of phenotypes at whole plant. For last decades, high-throughput screening (HTS) systems have been developed to measure phenomes, rapidly and quantitatively. Imaging technology such as thermal and chlorophyll fluorescence imaging systems is an area of HTS which has been used in agriculture. In this article, we review the current statues of high-throughput screening system in phenomics and its application for crop improvement.
Acanthopanax sessiliflorus (A. sessiliflorus) has been known as a traditional medicine having anti-stress, antioxidative and platelet aggregation inhibitory effects. This study was undertaken to investigate the functional properties of water extracts from four parts of A. sessiliflorus. Root, stem, leaf and fruit extracts from A. sessiliflorus were prepared with hot water ($80^{\circ}C$). The contents of functional substances, eleutheroside B and E, polyphenol, antioxidative activity, nitrite scavenging ability and anti-cancer activity of the extracts were determined. The contents of eleutheroside E in stem, root and fruit extracts were 542.50 ${\mu}$g/g, 343.35 ${\mu}$g/g and 30.78 ${\mu}$g/g, respectively. A large part of eleutheroside B was found in fruit (372.01 ${\mu}$g/g) and root (289.33 ${\mu}$g/g) extracts. Root and stem extracts contained 227.21 mg/100g and 131.22 mg/100g of polyphenols, respectively. Antioxidative activities (electron donating ability) of stem and root extracts were 79.87% and 77.27%, respectively. It appears that the antioxidative activities were related to polyphenol contents of the extracts. Most extracts showed 76-81.5% of nitrite scavenging ability at pH 1.2. It reveals that water extract from parts of A. sessiliflorus can inhibit formation of nitrosoamine in food. Effects of the extracts on the growth of normal and cancer cell lines were investigated. Extracts showed no cytotoxicity to normal dendritic cell line (DC2.4). Especially, the root extract promoted the growth of normal cell line. Root and stem extracts had 20-23% of inhibitory effect against stomach cancer cell line (SNU-719) and liver cancer cell line (Hep3B). These result indicated that the extracts from A. sessiliflorus can be used as functional food materials with antioxidative activity and nitrite scavenging ability to eliminate nitrosoamine in food.
Kim, Min Jeong;Kim, Ji Hyun;Park, Hye Sook;Kim, Young Sil;Cho, Eun Ju
Journal of the Korea Academia-Industrial cooperation Society
/
v.20
no.8
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pp.303-312
/
2019
Oxidative stress in kidneys can precede the development of chronic renal injury. We investigated the antioxidative effect of membrane-free stem cell extract (MFSCE) from adipose tissue in LLC-$PK_1$ renal proximal tubule cells. Treatment of LLC-$PK_1$ cells with MFSCE showed the up-regulation of heme-oxygenase-1, thioredoxin reductase 1, and NADPH quinine oxidoreductase-1 protein expressions, which are proteins related with antioxidative activities. When oxidative stress was induced by 3-morpholinosydnonimine (SIN-1), cell viability was decreased, indicating that LLC-$PK_1$ cells were damaged by SIN-1. However, MFSCE significantly elevated cell viability from 58.84% to 64.43% at the concentration of $2.5{\mu}g/mL$ in oxidative stress-induced LLC-$PK_1$ cells. Furthermore, MFSCE ameliorated inflammation and apoptosis in SIN-1-treated LLC-$PK_1$ cells by modulating protein expressions. Inducible nitric oxide synthase and cyclooxygenase-2 protein expressions were down-regulated when LLC-$PK_1$ cells were treated with MFSCE. Apoptosis-related proteins, including B-cell lymphoma-2-associated X protein/B-cell lymphoma-2 ratio, cleaved caspase-3, and cleaved-poly (ADP-ribose) polymerase, were also down-regulated. It indicated that MFSCE protected apoptosis against oxidative stress in LLC-$PK_1$ cells. Taken together, these results suggested that MFSCE had a protective effect against SIN-1-induced oxidative stress in LLC-$PK_1$ cells. Therefore, MFSCE could be a promising therapeutic agent for oxidative stress-induced renal injury.
Objectives: This study evaluated the nutritional status and prevalence of metabolic syndrome of the people who participated in the KNHANES according to the number of household members. They were assessed by using information from the 2013~2014 Korea National Health and Nutrition Examination Survey (KNHANES). Methods: A total of 6,088 persons aged 19 years and over participated in 2013~2014 KNHANES, and they were classified into three groups according to the number of household members (single-person, two-person, three-person & over). The dietary behavior, nutritional status, health-related factors and the prevalence of metabolic syndrome of the subjects were investigated with using information from the survey questionnaires of KNHANES. The nutrient intake data of the subjects were obtained by the 24-hour recall method and this was analyzed for evaluating the nutrition adequacy ratio and the index of nutritional quality. The prevalence of metabolic syndrome among the subjects, and according to the study groups, was estimated using the blood and physical measurement data of the subjects. Results: As for EQ-5D index available for all the health states generated by the EQ-5D descriptive system, the single-person household member was the lowest among all the household types. The index of nutrition quality for protein, crude fiber, calcium, phosphorus, potassium, riboflavin and vitamin C in the single-person household was lower than that of the two-person or the three-person and over households (p<0.001). The mean adequacy ratio of single-person households was significantly decreased compared with that of the other types of households (p<0.001). The prevalence of metabolic syndrome was higher in the single-person households than that in the multiple-person households (p<0.001). Conclusions: These results showed that dietary behaviors, nutrition status and health status might be influenced by the number of household members. The results from this study would be useful for improving Korean people's dietary life and health status by implementing evidence-based, specialized intervention for the members of diverse types of households.
Journal of the Korean Applied Science and Technology
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v.36
no.2
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pp.656-667
/
2019
This study is a descriptive research to grasp the effects of job stress on turnover intention and to confirm the mediating effect of organizational commitment according to the extent of job stress, organizational commitment and turnover intention in the relations between job stress and Turnover Intention of nurses working in general hospitals. Method: The subjects of this study were 199 nurses are working in general hospitals, that have more than 200 beds and less than 400 beds, located in Gwangju. I surveyed them using a structured questionnaire for collecting data from Sep. 01, 2017 to Sep. 20, 2017. The collected data were analyzed by the frequency, the percentage, t-test, ANOVA, Scheffe's Test, Pearson's Correlation Coefficient, Multiple Regression Analysis and Sobel Results: In the first step, job stress as an independent variable had a statistically significant effect on organizational commitment(${\beta}=-.321$, p<.001). In the second step, job stress, an independent variable, also had an important effect on turnover intention as a dependent variable(${\beta}=.389$, p<.001). Job stress and organizational commitment were meaningful predictor variables of turnover intention in the third step. The explanatory power of two variables was 45.5%. The value ${\beta}$ of job stress in the third step was .203(p<.001) which was smaller than its value ${\beta}$,.389(p<.001), in the second step. That meant organizational commitment had the mediating effect on turnover intention. The Sobel Test was conducted to verify the significance of the extent of the mediating effects of organizational commitment. The test result was that the value Z was -3.694 and the mediating effect of organizational commitment was significant on the relation between job stress and turnover intention(p<.002). Conclusion: this study is expected be useful to find ways to reduce subjects' turnover intention by decreasing their job stress, increasing their organizational commitment and developing intervention programs as basic data.
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