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Search Results: 1 - 10 of 5043 matches for " Damin Choi "
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Genetic Variation in the Testis-Specific HASPIN Gene Encoding a Serine/Threonine Protein Kinase in Infertile Japanese Males  [PDF]
Hiromitsu Tanaka, Akira Tsujimura, Yasushi Miyagawa, Dakyo Oh, Damin Choi, Morimasa Wada, Hiromi Nishimura, Yoshitake Nishimune
Advances in Sexual Medicine (ASM) , 2016, DOI: 10.4236/asm.2016.63003
Abstract: HASPIN is a serine/threonine protein kinase predominantly expressed during spermatogenesis and localized in the nucleus. The HASPIN gene is conserved from yeast to mammals and plants. To investigate any possible associations between HASPIN polymorphisms and impaired spermatogenesis in Japanese males, we screened for mutations in the HASPIN coding sequence (CDS) using DNA from 282 sterile male patients and 262 fertile male volunteers. Polymorphisms were found at 10 positions within the HASPIN CDS. Among these 10 polymorphisms, 5 were found only in the infertile group, 3 of which were nonsynonymous. These polymorphisms found only in the infertile patients may be a cause of male infertility and thus valuable candidates for further study of this condition.
On the boundary behavior of K?hler-Einstein metrics on log canonical pairs
Henri Guenancia,Damin Wu
Mathematics , 2014,
Abstract: In this paper, we study the boundary behavior of the negatively curved K\"ahler-Einstein metric attached to a log canonical pair $(X,D)$ such that $K_X+D$ is ample. In the case where $X$ is smooth and $D$ has simple normal crossings support (but possibly negative coefficients), we provide a very precise estimate on the potential of the KE metric near the boundary $D$. In the more general singular case ($D$ being assumed effective though), we show that the KE metric has mixed cone and cusp singularities near $D$ on the snc locus of the pair. As a corollary, we derive the behavior in codimension one of the KE metric of a stable variety.
The development of a culturally relevant preventive intervention  [PDF]
Heeseung Choi
Open Journal of Nursing (OJN) , 2012, DOI: 10.4236/ojn.2012.22019
Abstract: Researchers often publish the numerical findings of their intervention studies while overlooking the experiential findings that could help promote more appropriate and effective interventions in the future. The present paper describes the process by which we developed a culturally relevant preventive intervention for Korean American adolescents aged 11 to 14 years and their parents. We discuss the main findings of a series of pilot studies and demonstrated how lessons learned from each study guided the development process and informed the research that followed. Program development is an iterative process that incorporates feedback from study participants. Cultural relevance is ensured when participants’ voices are reflected in the program development, implementation, and evaluation process. The final outcome of the development process was the preventive intervention improving parent-child relationships, increasing parental knowledge, enhancing parental self-efficacy, and decreasing parental stress among Korean American parents, and ultimately promoting Korean American adolescents’ mental health. The specific aims of this two-group, repeated-measures, controlled randomized study were to test the feasibility of the PRIDE (Promoting Intergenerational Dialogue about Emotional Problems) intervention and to compare its efficacy with an attention control (AC) group regarding parental knowledge, parental and filial self-efficacy, parent-child (P-C) communication, P-C conflicts, and P-C satisfaction.
How a Proactive Interventionist Can Make Strikes More Effective: Evidence from the Korean Banking Sector  [PDF]
ChungIL Choi
American Journal of Industrial and Business Management (AJIBM) , 2013, DOI: 10.4236/ajibm.2013.34051

This paper argues, through a case study of two industry-wide strikes in the Korean banking sector, that a proactive interventionist strike is more effective than a reactive pragmatist one in a union’s response to restructuring. Evidence from the two strikes shows that unions were able to achieve more successful outcomes from the strike in which they engaged proactively by an interventionist mode. In this case the unions identified opportunities, took the initiative and devised effective strategies that pre-empted the other parties before they had fully prepared their restructuring planning. Such a strategic capacity was gained from active organizational learning in unions derived from their previous strike failure.

The Impact of Atmospheric Phenomena on South Korean Students’ Engagement at School through the Mediating Effect of the Students’ Health  [PDF]
Shelley Choi
Atmospheric and Climate Sciences (ACS) , 2018, DOI: 10.4236/acs.2018.83020
Abstract: This study examined how South Korea’s regular significant atmospheric phenomena, the yellow dust and the monsoon, affected students’ health and academic engagement at school. Five hundred middle and high school students were surveyed to figure out the atmospheric impacts on the students’ lives. The results of this study found that the severity of yellow dust and monsoon conditions experienced by the students negatively influenced their academic engagement. However, the variable of students’ concerns about their health was shown to have a mediating effect between the intensity of yellow dust and the level of academic engagement. These results indicated the need to alleviate the yellow dust and monsoon atmospheric phenomena and their effects at both the school and national levels in order to improve the academic engagement of students in South Korea.
“Smart” Surveillance of Dusty Behavior: Illuminating the Relationship between Particulate Matter and the Atmosphere  [PDF]
Shelley Choi
Computational Water, Energy, and Environmental Engineering (CWEEE) , 2018, DOI: 10.4236/cweee.2018.73008
Abstract: Although large amounts of research have been completed to find the relationship between particulate matter and climate change, they have still proven to be inadequate. Efforts to lay the foundations for understanding atmospheric chemical reactions have been repeatedly foiled by both the size and complexity of the task, which require more than the effort of a handful of researchers. Since the development of advanced physical models for dust behavior is projected to take years, what if laypeople could dramatically expedite this process by using their mobile devices as measurement tools? With relatively little effort by many individuals, previously unknown information about the earth’s atmosphere may at last become accessible thanks to recent advances in artificial intelligence. However, there are potential obstacles. Even if all technical problems are resolved, viable plans for battling particulate matter pollution will likely need to be accompanied by environmental policies. While technological breakthroughs give reason to hope for a brighter future, the resolution of global issues requires both grassroots changes and global efforts.
Incidence of type 2 diabetes in Aboriginal Australians: an 11-year prospective cohort study
Zhiqiang Wang, Wendy E Hoy, Damin Si
BMC Public Health , 2010, DOI: 10.1186/1471-2458-10-487
Abstract: Six hundred and eighty six (686) Aboriginal Australians aged 20 to 74 years free from diabetes at baseline were followed for a median of 11 years. During the follow-up period, new diabetes cases were identified through hospital records. Cox proportional hazards models were used to assess relationships of the incidence rates of diabetes with IFG, IGT and body mass index (BMI).One hundred and twenty four (124) new diabetes cases were diagnosed during the follow up period. Incidence rates increased with increasing age, from 2.2 per 1000 person-years for those younger than 25 years to 39.9 per 1000 person-years for those 45-54 years. By age of 60 years, cumulative incidence rates were 49% for Aboriginal men and 70% for Aboriginal women. The rate ratio for developing diabetes in the presence of either IFG or IGT at baseline was 2.2 (95% CI: 1.5, 3.3), adjusting for age, sex and BMI. Rate ratios for developing diabetes were 2.2 (95% CI: 1.4, 3.5) for people who were overweight and 4.7 (95% CI: 3.0, 7.4) for people who were obese at baseline, with adjustment of age, sex and the presence of IFG/IGT.Diabetes incidence rates are high in Aboriginal people. The lifetime risk of developing diabetes among Aboriginal men is one in two, and among Aboriginal women is two in three. Baseline IFG, IGT and obesity are important predictors of diabetes.Diabetes is an important cause of coronary heart disease [1] and renal failure in Aboriginal people [2], contributing considerably to the 17 year life expectancy gap between Aboriginal and non-Aboriginal Australians. The prevalence of diabetes in Aboriginal Australians is higher than that in the general Australian population [3]. Most of the available data have been from cross-sectional studies. The incidence of diabetes in Aboriginal people from an 8-year follow-up study has been reported [4]. However, there are no data on age-specific and cumulative incidence, which is important information regarding individuals' risks of developing diabe
Efeito do teor de sólidos e da concentra??o de sacarose na acidifica??o, firmeza e viabilidade de bactérias do iogurte e probióticas em leite fermentado
Oliveira, Maricê N.;Damin, M. Regina;
Ciência e Tecnologia de Alimentos , 2003, DOI: 10.1590/S0101-20612003000400032
Abstract: twelve batches of fermented milk were prepared at 42oc where the studied variables were total solids content (12 and 15%), sucrose concentration (0 and 8%), and co-culture type (streptococcus thermophilus and lactobacillus delbrueckii subsp. bulgaricus ; streptococcus thermophilus and lactobacillus acidophilus ; streptococcus thermophilus and lactobacillus rhamnosus. kinetic parameters to decrease ph until 4.5 were calculated. physico-chemical and microbiological determinations were carried out on products after 1 and 7 days of storage at 4oc. the increase in total solids and the addition of sucrose resulted in water activity decrease, which affected the time to reach ph 4.5 according to the milk and co-culture employed. the milk fermented by streptococcus thermophilus and lactobacillus acidophilus (stla) presented higher post acidification. besides, the milk fermented by streptococcus thermophilus and lactobacillus rhamnosus (stlr) was the more stable. the milks containing higher levels of total solids reached higher acidity independently of the co-culture. increasing sucrose amounts and total solids of milk resulted in higher firmness using the co-cultures stlr e stla. after seven days of storage, there were no major differences in the initial counts of yogurt and probiotic bacteria in all fermented milks. in all batches, the number of probiotic bacteria was higher than suggested by literature.
Rigidity theorems on hemispheres in non-positive space forms
Lan-Hsuan Huang,Damin Wu
Mathematics , 2009,
Abstract: We study the curvature condition which uniquely characterizes the hemisphere. In particular, we prove the Min-Oo conjecture for hypersurfaces in Euclidean space and hyperbolic space.
Semilinear equations, the $γ_k$ function, and generalized Gauduchon metrics
Jixiang Fu,Zhizhang Wang,Damin Wu
Mathematics , 2010,
Abstract: In this paper, we generalize the Gauduchon metrics on a compact complex manifold and define the $\gamma_k$ functions on the space of its hermitian metrics.
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