Journal of Korean Home Economics Education Association
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v.23
no.4
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pp.143-157
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2011
This study aims to identify family strength and career maturity, and to explore the difference of career maturity according to family strength, targeting high school students as subjects. A total of 1,000 copies of the questionnaire were distributed and 858 copies were used for the final analysis. The major results are summarized as follows: In respect to general tendency of family strength and career maturity, the score of family respect was the highest, 3.59, followed by 3.56 of gratitude and affection, 3.54 of problem shooting ability, economic stability, faithfulness to role, emotional bond, positive communication and goal sharing. The score of emotional bond with society was the lowest, 2.90. The score of family strength was 3.36, which was the intermediate level. As sub-factors of career maturity, the score of relevancy was 3.40, and that of tendency was 3.17, followed by that of independence and compromise. The score of determination was the lowest, 2,75. A total score of career maturity was 3.05. Family strength was marked highly by the girls students studying humanities, and religious ones. Those whose parents have high education and no-divorce background also showed high scores. High school students with higher economic levels and long-married parents showed higher scores than high school students with poor economy levels and single parents. Students with parents who have professional jobs also marked high scores. Career maturity degree as a background variable was significantly higher in the following cases: In terms of religious background, students whose mother are buddhists or atheists marked high scores. High scores were marked by those whose parents have higher education and no-divorce background. High school students from middle class and over and long-married parents showed higher career maturity degree than high school students with poor economy levels and single parents. Students with parents who have professional jobs also marked high career maturity degree. While career maturity degree, which is subjected to family strength, showed very different results when analysed with 5 sub-variables. As family strength resulted in positive effects to career maturity degree, higher family strength showed higher career maturity degree. Especially, in the areas of relevance and tendency of career maturity degree, the effects of positiveness was clearly high.
Purpose: This study was conducted to identify factors of COVID-19 stress, impulsiveness, and family strength on suicidal ideation of public nursing officials in community health centers. Methods: This study was a descriptive analysis study the subjects of this study were a total of 145 public nursing officials from community health centers in Busan. The data were analyzed using IBM SPSS/WIN 23.0 version. Result: The result of the predictor analysis showed that the motor impulsiveness (β=.383, p<.001), workload (β=.222, p=.003), cognitive impulsiveness (β=-.205, p=.012), bond (β=-.169, p=.033). The regression model showed an explanatory power of 24.1%. Conciusion: it is necessary to increase impulse and stress control ability, and to adjust the workload. In addition, it is necessary to systematically guarantee a working environment where practical vacation can be used, but it may not be a realistic alternative in a disaster crisis such as COVID-19, so indirect alternatives such as reinforcing infectious disease experts, improving the work environment, and psychological support to prevent suicide in advance are required.
The electronic structure and properties of the 1H-indene and mono-sila-1H-indene series have been investigated using basis set of 6-31G(d, p) and hybrid density functional theory. Basic measures of aromatic character derived from structure, molecular orbitals, a variety of magnetic criteria (magnetic isotropic and anisotropic susceptibilities) are considered. Energetic criteria suggest that In(Si7) enjoy conspicuous stabilization. However, by magnetic susceptibility isotropic this system are among the least aromatic of the family: Within their isomer series, In(Si4) is the most aromatic using this criteria. Natural bond orbital (NBO) analysis method was performed for the investigation of the relative stability and the nature of the 8-9 bonds in 1H-indene and mono-sila-1H-indene compounds. The results explained that how the p character of natural atomic hybrid orbital on X8 and X9 (central bond) is increased by the substitution of the C8 and C9 by Si. Actually, the results suggested that in these compounds, the X8-X9 bond lengths are closely controlled by the p character of these hybrid orbitals and also by the nature of C-Si bonds. The magnitude of the molecular stabilization energy associated to delocalization from X8-X9 and to * X8-X9 bond orbital were also quantitatively determined. Molecular orbital (MO) analysis further reveal that all structure has three delocalized MOs and two delocalized MOs and therefore exhibit the aromaticity.
Alginates are linear acidic polysaccharides composed with (1-4)-linked ${\alpha}$-L-guluronic acid and ${\beta}$-Dmannuronic acid. Alginate can be degraded by diverse alginate lyases, which cleave the alginate using a ${\beta}$-elimination reaction and produce unsaturated uronate oligomers. A gene for a polyMG-specific alginate lyase possessing a novel structure was previously identified and cloned from Stenotrophomonas maltophilia KJ-2. Homology modeling of KJ-2 polyMG-specific alginate lyase showed it belongs to the PL6 family, whereas three Azotobacter vinelandii polyMG lyases belong to the PL7 family of polysaccharide lyases. From $^1H$-NMR spectra data, KJ-2 polyMG lyase preferably degraded the M-${\beta}$(1-4)-G glycosidic bond than the G-${\alpha}$(1-4)-M glycosidic bond. Seventeen mutants were made by site-directed mutagenesis, and alginate lyase activity was analyzed. Lys220Ala, Arg241Ala, Arg241Lys, and Arg265Ala lost alginate lyase activity completely. Arg155Ala, Gly303Glu, and Tyr304Phe also lost the activity by 60.7-80.1%. These results show that Arg155, Lys220, Arg241, Arg265, Gly303, and Tyr304 are important residues for catalytic activity and substrate binding.
The heterodimeric amino acid transporter family is a subfamily of SLC7 solute transporter family which includes 14-transmembrane cationic amino acid transporters and 12-transmembrane heterodimeric amino acid transporters. The members of heterodimeric amino acid transporter family are linked via a disulfide bond to single membrane spanning glycoproteins such as 4F2hc (4F2 heavy chain) and rBAT $(related\;to\;b^0,\;^+-amino\;acid\;transporter)$. Six members are associated with 4F2hc and one is linked to rBAT. Two additional members were identified as ones associated with unknown heavy chains. The members of heterodimeric amino acid transporter family exhibit diverse substrate selectivity and are expressed in variety of tissues. They play variety of physiological roles including epithelial transport of amino acids as well as the roles to provide cells in general with amino acids for cellular nutrition. The dysfunction or hyperfunction of the members of the heterodimeric amino acid transporter family are involved in some diseases and pathologic conditions. The genetic defects of the renal and intestinal transporters $b^{0,+}AT/BAT1\;(b^{0,+}-type\;amino\;acid\;transporter/b^{0,+}-type\;amino\;acid\;transporter\;1)$ and $y^+LAT1\;(y^+L-type\;amino\;acid\;transporter\;1)$ result in the amino aciduria with sever clinical symptoms such as cystinuria and lysin uric protein intolerance, respectively. LAT1 is proposed to be involved in the progression of malignant tumor. xCT (x-C-type transporter) functions to protect cells against oxidative stress, while its over-function may be damaging neurons leading to the exacerbation of brain damage after brain ischemia. Because of broad substrate selectivity, system L transporters such as LAT1 transport amino acid-related compounds including L-Dopa and function as a drug transporter. System L also interacts with some environmental toxins with amino acid-related structure such as cysteine-conjugated methylmercury. Therefore, these transporter would be candidates for drug targets based on new therapeutic strategies.
Journal of The Korean Association For Science Education
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v.44
no.3
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pp.273-299
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2024
This is a qualitative research study in which three families focused on scientific culture and conducted the process of forming a family fandom using ethnography. The ultimate goal of science education is the "cultivation of scientifically literate persons.", The researcher examines families who regularly participate in informal science educational programs, such as those offered by the National Marine Biodiversity Institute of Korea, to understand the cultural ans sociological significance of these activities as part of their daily routines. This study analyzes and summarizes the experiences of three families in different home environments as to the completion of the family fandom through the process of self-sustaining cultural practice formation through family education activities, and science activities. This study found that the process tword completion is more meaningful than the completion itself, in the context of science, culture, family and fandom. The findings of this study are as follows: 1) The process of forming a family fandom began with the individual purpose of each family member. 2) The process of fandom formation was created in an organic relationship through the interaction between parents and children, and the self-sustaining cultural practice strengthened the bond and expanded the consensus on scientific culture. 3) Parents and children together share scientific culture, and unique culture in the form of sharing in their own cultural life as becoming scientifically literate people. The self-sustaining cultural practice of selecting and enjoying these scientific activities is not simple consumption of popular culture, but the role of parents as cultural designers. This has conducted experiential consumption as "refined (or sophisticated) cultural consumers," and family leisure activities as meaning production of family members so it has social and cultural implications that can be developed into a scientific culture.
$\alpha$-Glucosidase of an extreme thermophile, Thermus caldophilus GK24 (TcaAG), was purified 80-fold from cells to a homogeneous state and characterized. The enzyme exhibited optimum activity at pH 6.5 and $90^{\circ}C$, and was stable from pH 6.0 to 85 and up to $90^{\circ}C$. The enzyme had a half-life of 85 minutes at $90^{\circ}C$. An analysis of the substrate specificity showed that the enzyme hydrolyzed the non-reducing terminal unit of $\alpha$-1,6-glucosidic linkages of isomaltosaccharides and panose, $\alpha$-1,3-glycosidic bond of nigerose and turanose, and $\alpha$-1,2-glycosidic bond of sucrose. The gene encoding the TcaAG was cloned, sequenced, and sequenced in E. coli. The nucleotide sequence of the gene encoded a 530 amino acid polypeptide and had a G+C content of 68.4% with a strong bias for G or C in the third position of the codons (93.6%). A sequence analysis revealed that TcaAG belonged to the $\alpha$-amylase family. We suggest that this monomeric, thermostable, and broad-acting $\alpha$-glucosidase is a departure from previously exhibited specificities. It is, therefore, a novel $\alpha$-glucosidase.
Journal of Family Resource Management and Policy Review
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v.27
no.4
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pp.19-33
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2023
The purpose of this study was to examine the mediating effect of ego resilience on the relationship between family strengths of Chinese international students and Social Networking Services(SNS) addiction tendency. The data were collected through a survey of 349 Chinese international students studying in Korea and analyzed using the SPSS Statistics version 28 program and SPSS Process Macro 4.3. The main results are as follows. First, Chinese international students exhibited higher-than-average levels of SNS addiction tendency, family strengths, and ego resilience. Second, the SNS addiction tendency of Chinese international students had a significant positive correlation with the average time spend on SNS per day. while demonstrating a negative correlation with family strengths and ego resilience. Third, the hierarchical regression analysis revelated that gender, frequency of contact with family, average time spend on SNS per day, qualitative bond as a sub variable of family strengths, and control as a sub variables of ego resilience were significant factors influencing SNS addiction tendency of Chinese international students. Fourth, the study confirmed the complete mediation of ego resilience in the effect of family strengths on SNS addiction tendency. Based on the research results, this study suggested specific directions for counseling interventions aimed at mitigating SNS addiction tendencies among Chinese international students.
Journal of the Korea Academia-Industrial cooperation Society
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v.12
no.2
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pp.653-664
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2011
In this study, I collected materials through the survey whose object is 573 students of technical high schools and 512 students of academic high schools in Seoul and Kyunggi areas, for examining dangerous factors and protective factors which influence on school resilience in technical high schools. The studying results are as followed. First, as the result of analyzing correlation between school resilience and dangerous factor, the higher dangerous factor was, the lower school resilience was. Second, as the result verifying the effects of dangerous factor on school resilience, discrimination of teacher, delinquency bond and anti-sociality made an effect on students in technical high schools and discrimination of teacher, delinquency bond and depression made an effect on students in academic high schools. Third, as the result analyzing correlation between school resilience and protective factor, the higher protective factor was, the higher school resilience was. Forth, as the result verifying the effects of protective factor on school resilience, support of teacher, democratic atmosphere of school, sense of responsibility, family cohesion, self-worth, rational supporting attitude made an effort on students in technical high schools and support of teacher, democratic atmosphere of school, sense of responsibility and family cohesion made an effect on students in academic high schools. Fifth, as the result analyzing the difference between dangerous factor and protective factor according to grade of school and standard of school resilience, there was an interaction in variables of anti-sociality, depression, delinquency bond and self-worth.
Journal of the Korea Academia-Industrial cooperation Society
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v.20
no.12
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pp.622-628
/
2019
"It's Only the End of the World" is a work that expresses in depth the perception, attitude, and reflection of a person's death. Composed of a simple story of a protagonist who has been diagnosed with AIDS and has been visiting his hometown for the first time in 12 years, this work constantly asks us what a family is in this process. The visit, which aims to inform one's condition, restore the relationship with his family as he wished, and foremost but in a beautiful parting, reveals the feelings of resentment, hatred and criticism between the family members who have been hiding or trying to accept. Are family relationships always understood and must be forgiven and cared for? The director looks into the abyss of the relationship and reveals the painful truth we wanted to hide. And we realize that this painful truth is a reality. Louis's negative stance, and the complaints and dissatisfaction of the family members who were waiting for him were absolutely inadequate in narrowing the gap. This family, each of whom has a wound and does not really understand each other, shows a deep bond of feelings toward each other, though they are tied together in a 'family' community.
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