The big gap between efficacy of population level prevention and expectations due to heterogeneity and complexity of cancer etiologic factors calls for selective yet personalized interventions based on effective risk assessment. This paper documents our research protocol aimed at refining and validating a two-stage and web-based cancer risk assessment tool, from a tentative one in use by an ongoing project, capable of identifying individuals at elevated risk for one or more types of the 80% leading cancers in rural China with adequate sensitivity and specificity and featuring low cost, easy application and cultural and technical sensitivity for farmers and village doctors. The protocol adopted a modified population-based case control design using 72, 000 non-patients as controls, 2, 200 cancer patients as cases, and another 600 patients as cases for external validation. Factors taken into account comprised 8 domains including diet and nutrition, risk behaviors, family history, precancerous diseases, related medical procedures, exposure to environment hazards, mood and feelings, physical activities and anthropologic and biologic factors. Modeling stresses explored various methodologies like empirical analysis, logistic regression, neuro-network analysis, decision theory and both internal and external validation using concordance statistics, predictive values, etc..
The childbearing process is not only a biological phenomenon of a woman who gives birth to a child but also a sociocultural phenomenon which is reflected on her value, belief in the sociocultural context according to social change and acculturation. The familial relation and sociocultural context in the multigravidas are more complex and intermingled than in the primigravidas. The purpose of this ethnographic research study was to explore the experience of identity from the first trimester of pregnancy to the third trimester of pregnancy in the Korean multigravidas and to understand deeply the perspectives of pregnant women reflected on Korean sociocultural values, beliefs, norms and familial culture. The participants of 10 pregnant women in Seoul, Korea were observed for 10 months from January to October 2000 and interviewed in their homes and comfortable place. Data analysis was accomplished 'line by line method' and significant concepts were classified according to themes, categories, and domains. The results of this study were as follows : The participants experienced 4 categorized subjects : understanding the oneself - mother to be, performing the dual role, drifting the emotion, and living disheartened during pregnancy. The participants were showed universality and diversity pattern in the self understanding process. The universal pattern were 'mother to be' showing maturation, life along family and priority on motherhood between being a mother and a woman. The diverse pattern were taking the dual role in working mothers having the higher self actualized value and personal identity rather than maternal identity, drifting emotion in resigned mothers, and living disheartened in mothers who have two daughters and no son. In conclusion, the Korean multigravidas experienced womanhood as well as motherhood through the self understanding process with familial connections during pregnancy. Therefore it is suggested that if the harmony and the balance between a mother and a woman is accomplished, the woman will lead a healthy and high quality of life. Also, this study sought to confirm the sociocultural factors affecting during pregnancy in the perspectives of the women with children. Therefore, the health care providers have to divert their attention from biomedical perspectives to biocultural perspectives integrating bio-psycho-sociocultural aspects of pregnant women in a clinical setting.
This study is to investigate the previous cases of plural eclecticism through the works of Vivienne Westwood, who contributed to the spread of innovative and eclectic English fashion out to the world as well as to review plurality and its phenomena since the 20th century more systematically. In terms of research methodology, the phenomena of plural eclecticism were examined from social and cultural perspectives, whereas bibliographic research and case study were performed for the phenomena of eclecticism in fashion. From the perspective of plural eclecticism, the results from analyzing the works of Vivienne Westwood by the divisions of temporal eclecticism, spatial eclecticism, and contingent eclecticism are described in the following. First, Vivienne Westwood emphasized historicism tendency of temporal eclecticism. Her efforts to try to modernize history went beyond ages and social classes including men's clothing, prostitutes' costumes, craft items, and dresses for royal family. Second, her spatial eclecticism was reflected on the first collection themes inspired by the American Indians or borrowed from the names of Voodoo in the Tropics. Finally, infra-fashion as an expression of contingent eclecticism of Vivienne Westwood's works can be interpreted as plural eclecticism which shows contingent eclecticism and historic eclecticism at the same time. This study aimed at proving preceding implications concerning recent plural eclecticism through the analysis of the works of Vivienne Westwood who tried a radical design of plural eclecticism in an effort to modernize the tradition of England in the circumstances where a number of trends and styles exist together, with their own uniqueness and values.
Background: The effects of the dietary administration of two heat-inactivated whole bacteria from the Vibrionaceae family, singly or combined, on innate immune response of the rainbow trout were studied. The two bacteria (Pdp11 and 51M6), which were obtained from the skin of rainbow trout, showed in vitro characteristics that suggested they could be considered as potential fish probiotics. Methods: The fish were fed four different diets: control (non-supplemented), or diets supplemented with heat-inactivated bacteria at $10^8$ cfu/g Pdp11, $10^8$ cfu/g 51M6 or with $0.5{\times}10^8$ cfu/g Pdp11 plus $0.5{\times}10^8$ cfu/g 51M6 for 4 weeks. Six fish were sampled at weeks 1, 2, 3 and 4, and then the main humoral (natural haemolytic complement activity and serum peroxidase content) and cellular innate immune responses (leucocyte peroxidase content, phagocytosis, respiratory burst and cytotoxicity) were evaluated. Results: The serum peroxidase content and the natural haemolytic complement activity increased with time, reaching the highest values in the third and fourth weeks of feeding, respectively. The phagocytic ability of specimens fed the mixture of the two inactivated bacteria was significantly higher than in the controls after 2 and 3 weeks of treatment. The same activity increased significantly in rainbow trout fed the Pdp11 diet for 2 weeks or the 51M6 diet for 3 weeks. Respiratory burst activity was unaffected by all the experimental diets at all times assayed. Cytotoxic activity had significantly increased after 3 weeks in fish fed the 51M6 diet. Conclusion: Our results demonstrated the usefulness of incorporating inactivated probiotic bacteria into fish diets.
Immigration of Koreans to the United States has increased since the 1960's. Adjusting to life in the United States produces a great deal of stress for immigrants. Despite better economic opportunites, many see the U.S. culture as threatening to their family and cultural values. Differences in culture, language, expectations and social behavior can lead to misunderstandings between health care providers and clients. These misunderstanding can leaf to frustration on the part of each. The ultimate result of this is that often Korean-immigrants do not get their health care needs met and stress response symptoms can lead to disease if there is no appropriate care. To determine the health care needs and concerns of Korean-Americans, a health needs assessment is needed. Appropriate and adequate information about the health care needs of these individuals is important as it relates to American policy changes allowing greater numbers of immigrants to enter the U.S. The purpose of this prospective study was to describe Korean-American stress response. This study focused on the primary presenting problems for which subjects reported having sought care. These included a variety of stress-related symptoms, including peripheral manifestations, cardiopulmonary symptoms, central-neurological symptoms, gastrointestinal symptoms, muscle tension, habitual patterns, depression, anxiety, emotional irritability and cognitive disorganization. Of the 300 subjects who entered the study, 80% (N=223) completed the questionnaire in full. Demographically, the percentage of females and males was 50% each and they ranged in age from 20 to 69 years. Ninety percent of the subjects were highly educated, 25% owners of business, 25% white collar professionals, 15% employed in sales or as skilled /unskilled labor, 30% had no occupation : and 5% were housewives or students. The SOS inventory is designed to quantify self-perception of behavioral, cognitive, and physiological components of the stress response. It consisted of 94 items divided into 10 subscales. The result of this study are as follows : The total mean 505 of all subjects (N=223 was .8129 ; the mean 505 for male(N=114) was .7665 and for females, (N=108) .8594. The level of symptoms for central-neurologic and muscle tension was higher for than for males. The highest stress response of all subjects was emotional irritability symptoms(1.0644) : the lowest stress response of all subjects was peripheral manifestation symptoms.
Several studies have been conducted on dietary patterns based on carbohydrate nutrition in Asian populations. We examined the cross-sectional associations in dietary patterns based on carbohydrate nutrition, including the glycemic index (GI) with dyslipidemia and diabetes among the Korean adult population. We analyzed 9,725 subjects (3,795 men and 5,930 women, ${\geq}$ 20 years) from the Fourth Korea National Health and Nutrition Examination Survey. Dietary information was collected using single 24-hour recall. Reduced rank regression was used to derive dietary patterns from 22 food groups as predictor variables and four dietary factors related to the quantity and quality of carbohydrates as response variables. Two dietary patterns were identified: 1) the balanced pattern was characterized by high intake of various kinds of foods including white rice, and 2) the rice-oriented pattern was characterized by a high intake of white rice but low intake of vegetables, fruits, meat, and dairy products. Both patterns had considerable amounts of total carbohydrate, but GI values differed. The rice-oriented pattern was positively associated with hypertriglyceridemia in men and low high density lipoprotein-cholesterol in both men and women. The balanced pattern had no overall significant association with the prevalence of dyslipidemia or diabetes, however, men with energy intake above the median showed a reduced prevalence of diabetes across quintiles of balanced pattern scores. The results show that dietary patterns based on carbohydrate nutrition are associated with prevalence of dyslipidemia and diabetes in the Korean adult population.
${\beta}$-D-Xylosidase (E.C. 3.2.1.37) from Bifidobacterium breve K-110, which hydrolyzes ginsenoside Ra1 to ginsenoside Rb2, was cloned and expressed in Escherichia coli. The ($His_6$)-tagged recombinant enzyme, designated as XlyBK-110, was efficiently purified using $Ni^{2+}$-affinity chromatography (109.9-fold, 84% yield). The molecular mass of XylBK-100 was found to be 55.7 kDa by SDS-PAGE. Its sequence revealed a 1,347 bp open reading frame (ORF) encoding a protein containing 448 amino acids, which showed 82% identity (DNA) to the previously reported glycosyl hydrolase family 30 of Bifidobacterium adolescentis ATCC 15703. The $K_m$ and $V_{max}$ values toward p-nitrophenyl-${\beta}$-D-xylopyranoside (pNPX) were 1.45mM and 10.75 ${\mu}mol/min/mg$, respectively. This enzyme had pH and temperature optima at 6.0 and $45^{\circ}C$, respectively. XylBK-110 acted to the greatest extent on xyloglucosyl kakkalide, followed by pNPX and ginsenoside Ra1, but did not act on p-nitrophenyl-${\alpha}$-L-arabinofuranoside, p-nitrophenyl-${\beta}$-D-glucopyranoside, or p-nitrophenyl-${\beta}$-D-fucopyranoside. In conclusion, this is the first report on the cloning and expression of ${\beta}$-D-xylosidase-hydrolyzing ginsenoside Ra1 and kakkalide from human intestinal microflora.
An investigation was conducted on the enhancement of production and purification of an oxidant and SDS-stable alkaline protease (BHAP) secreted by an alkalophilic Bacillus horikoshii, which was screened from the body fluid of a unique Korean polychaeta (Periserrula leucophryna) living in the tidal mud flats of Kwangwha Island in the Korean West Sea. A prominent effect on BHAP production was obtained by adding 2% maltose, 1% sodium citrate, 0.8% NaCl, and 0.6% sodium carbonate to the culturing medium. The optimal medium for BHAP production contained (g/l) SBM, 15; casein, 10; $K_2HPO_4$, 2; $KH_2PO_4$, 2; maltose, 20; sodium citrate, 10; $MgSO_4$, 0.06; NaCl, 8; and $Na_2CO_3$, 6. A protease yield of approximately 56,000 U/ml was achieved using the optimized medium, which is an increase of approximately 5.5-fold compared with the previous optimization (10,050 U/ml). The BHAP was homogenously purified 34-fold with an overall recovery of 34% and a specific activity of 223,090 U/mg protein using adsorption with Diaion HPA75, hydrophobic interaction chromatography (HIC) on Phenyl-Sepharose, and ion-exchange chromatography on a DEAE- and CM-Sepharose column. The purified BHAP was determined a homogeneous by SDS-PAGE, with an apparent molecular mass of 28 kDa, and it showed extreme stability towards organic solvents, SDS, and oxidizing agents. The $K_m$ and $k_{cat}$ values were 78.7 ${\mu}M$ and $217.4s^{-1}$ for N-succinyl-Ala-Ala-Pro-Phe-pNA at $37^{\circ}C$ and pH 9, respectively. The inhibition profile exhibited by PMSF suggested that the protease from B. horikoshii belongs to the family of serine proteases. The BHAP, which showed high stability against SDS and $H_2O_2$, has significance for industrial application, such as additives in detergent and feed industries.
The cathode reaction is one of the most seriously limiting factors in a microbial fuel cell (MFC). The critical dissolved oxygen (DO) concentration of a platinum-loaded graphite electrode was reported as 2.2 mg/l, about 10-fold higher than an aerobic bacterium. A series of MFCs were run with the cathode compartment inoculated with activated sludge (biotic) or not (abiotic) on platinum-loaded or bare graphite electrodes. At the beginning of the operation, the current values from MFCs with a biocathode and abiotic cathode were $2.3{\pm}0.1$ and $2.6{\pm}0.2mA$, respectively, at the air-saturated water supply in the cathode. The current from MFCs with an abiotic cathode did not change, but that of MFCs with a biotic cathode increased to 3.0 mA after 8 weeks. The coulomb efficiency was 59.6% in the MFCs with a biotic cathode, much higher than the value of 15.6% of the abiotic cathode. When the DO supply was reduced, the current from MFCs with an abiotic cathode decreased more sharply than in those with a biotic cathode. When the respiratory inhibitor azide was added to the catholyte, the current decreased in MFCs with a biotic cathode but did not change in MFCs with an abiotic cathode. The power density was higher in MFCs with a biotic cathode ($430W/m^3$ cathode compartment) than the abiotic cathode MFC ($257W/m^3$ cathode compartment). Electron microscopic observation revealed nanowire structures in biofilms that developed on both the anode and on the biocathode. These results show that an electron-consuming bacterial consortium can be used as a cathode catalyst to improve the cathode reaction.
Journal of the Korea Fashion and Costume Design Association
/
v.21
no.4
/
pp.1-16
/
2019
This study proposes the requirements for students in colleges majoring in fashion at two-year colleges in Seoul and Gyeonggi-do to perform behaviors in preparation for a further career more effectively by identifying the impact of social support on the career decision-making self-efficacy, and behaviors preparing a further career. The results of this study are described below. In accordance with the analysis on the relationship between career decision-making self-efficacy and behaviors preparing a further career, and the social support, the social support had a positive impact on the career decision-making self-efficacy and a negative impact on the behaviors preparing a further career. Moreover, the career decision-making self-efficacy had a positive impact on the behaviors preparing a further career. In accordance with the analysis, social support from family members or relevant third parties is required for improving the behavior of students majoring fashion in colleges to prepare a further career. To this end, the quantity or scope of social support is not the main issue, but the meticulous approach to fit each student's need for making students recognize such social support. It is important for students in colleges to enhance career decision-making self-efficacy by accurately identifying their abilities, values or desires.
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