http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Salt-Induced Electrospun Patterned Bundled Fibers for Spatially Regulating Cellular Responses
Cho, Mira,Kim, Seung-Hyun,Jin, Gyuhyung,Park, Kook In,Jang, Jae-Hyung American Chemical Society 2016 ACS APPLIED MATERIALS & INTERFACES Vol.8 No.21
<P>Implementing patterned fibrous matrices can offer a highly valuable platform for spatially orchestrating hierarchical cellular constructs, specifically for neural engineering approaches, in which striated alignment or directional growth of axons are key elements for the functional recovery of damaged nervous systems. Thus, understanding the structural parameters of patterned fibrous matrices that can effectively promote neural growth can provide crucial clues for designing state-of-the-art tissue engineering scaffolds. To this end, salt-induced electro-spun patterned fiber bundles (SiEP bundles) comprising longitudinally stacked multiple fibers were fabricated, and their capabilities of spatially stimulating the responses of neural cells, including PC12 cells, human neural stem cells (hNSCs), and dorsal root ganglia (DRG), were assessed by comparing them to conventional fibrous matrices having either randomly oriented fibers or individually aligned fibers. The SiEP bundles possessed remarkably distinctive morphological and topographical characteristics: multicomplexed infrastructures with nano- and microscale fibers, rough surfaces, and soft mechanical properties. Importantly, the SiEP bundles resulted in spatial cellular elongations corresponding to the fiber directions and induced highly robust neurite extensions along the patterned fibers. Furthermore, the residence of hNSCs on the topographically rough grooves of the SiEP bundles boosted neuronal differentiation. These findings can provide crucial insights for designing fibrous platforms that can spatially regulate cellular responses and potentially offer powerful strategies for a neural growth system in which directional cellular responses are critical for the functional recovery of damaged neural tissues.</P>
일-생활 균형 관점에서 본 기혼남녀의 시간표 : 부부결합 가구노동시간 유형에 따른 남녀의 일-생활시간의 비교분석
조미라 ( Cho Mira ) 한국사회복지연구회 2018 사회복지연구 Vol.49 No.2
The purpose of this study is to examine work-life balance by analyzing time schedules of married couple. The 2014 Korea Time Use Survey dataset was used for the analysis. Finally, 6,262 time diaries of 3,131 households were included in the analysis. The study used sequence analysis in particular, by applying the Lesnard(2014)’s dynamic hamming matching (DHM) method, which is useful for the time diary analysis where timing is a key factor. This study explored daily schedules of each man and woman according to 9 types of couple-combined work-schedules, which had been already derived by cluster analysis. The daily schedules were identified according to the activities divided as labor, housework, sleep, self-management, active leisure, passive leisure, and others. Here, time allocation was analyzed through various graphs showing average time amount and modal states by time period. Based on the analysis, it summarized that “long working hours as a main factor of work-life imbalance”, “gender inequality of time use”, “non-standard hours work impairing quality of life and ”poverty of leisure time”as characteristics of work-life imbalance. Finally this study discussed the social policy implications to support work-life balance.
SooChurl Cho,HeeJeong Yoo,Mira Park,InHee Cho,BoongNyun Kim,JaeWon Kim,MinSup Shin,TaeWon Park,JungWoo Son,UnSun Chung,HyoWon Kim,YoungHui Yang,JeOuk Kang,SoYoung Yang,SoonAe Kim 대한신경정신의학회 2011 PSYCHIATRY INVESTIGATION Vol.8 No.1
Objective-Communication problems are a prevalent symptom of autism spectrum disorders (ASDs), which have a genetic background. Although several genome-wide studies on ASD have suggested a number of candidate genes, few studies have reported the association or linkage of specific endophenotypes to ASDs. Methods-Forty-two Korean ASD patients who showed a language delay were enrolled in this study with their parents. We performed a genome-wide scan by using the Affymetrix SNP Array 5.0 platform to identify candidate genes responsible for language delay in ASDs. Results-We detected candidate single-nucleotide polymorphisms (SNPs) in chromosome 11, rs11212733 (p-value=9.76×10-6) and rs7125479 (p-value=1.48×10-4), as a marker of language delay in ASD using the transmission disequilibrium test and multifactor dimensionality reduction test. Conclusion-Although our results suggest that several SNPs are associated with language delay in ASD, rs11212733 we were not able to observe any significant results after correction of multiple comparisons. This may imply that more samples may be required to identify genes associated with language delay in ASD.