Lakhade, Suraj O.;Kumar, Ratnesh;Jaiswal, Omprakash R.
Structural Engineering and Mechanics
/
v.62
no.2
/
pp.209-224
/
2017
Elevated water tanks are considered as important structures due to its post-earthquake requirements. Elevated water tank on reinforced concrete frame staging is widely used in India. Different response reduction factors depending on ductility of frame members are used in seismic design of frame staging. The study on appropriateness of response reduction factor for reinforced concrete tank staging is sparse in literature. In the present paper a systematic study on estimation of key components of response reduction factors is presented. By considering the various combinations of tank capacity, height of staging, seismic design level and design response reduction factors, forty-eight analytical models are developed and designed using relevant Indian codes. The minimum specified design cross section of column as per Indian code is found to be sufficient to accommodate the design steel. The strength factor and ductility factor are estimated using results of nonlinear static pushover analysis. It was observed that for seismic design category 'high' the strength factor has lesser contribution than ductility factor, whereas, opposite trend is observed for seismic design category 'low'. Further, the effects of staging height and tank capacity on strength and ductility factors for two different seismic design categories are studied. For both seismic design categories, the response reduction factors obtained from the nonlinear static analysis is higher than the code specified response reduction factors. The minimum dimension restriction of column is observed as key parameter in achieving the desired performance of the elevated water tank on frame staging.
The present study was conducted to determine the effect of energy restricted (ER) diet on the expressions of lipogenic genes in liver and myogenic genes in muscle tissue of broiler chickens. Energy restriction was accomplished by providing chicks with 70% (ER70) or 85% (ER85) energy level of control diet intake. Energy restricted groups of chickens were restricted for 7 days, starting at 8 days of age. Ad libitum feeding was resumed after the restriction period, and continued through the end of the experiment. The body weight of chickens in the restricted groups gained less during the energy restriction period (P<0.05). The body weight of the ER groups were similar to the control group during the re-alimentation period. However, the body weight of the ER70 group did not catch up with that of the control group by 35 days of age. The energy restrictions during early life of chicks decreased the contents of triglycerides and cholesterol in blood (P<0.05), but those were not different among treatments after re-alimentation. The genes of fatty acid synthase (FAS) and transcription factors including SREBP and PPARγ were down regulated by restriction regimen only in ER70 (P<0.05). However, those genes were not completely recovered after re-alimentation in ER70 group. The RNA expression levels of Myo-D, Myf-5 and myogenin in all treatment groups were decreased by restriction regimen when compared with control group (P<0.05). Myogenin was highly expressed after re-alimentation, but the other genes were not different among groups. These results suggest that ER85 group shows the best growth performance by re-alimentation and the higher muscle differentiation by expressing myogenin.
Journal of the Korea Academia-Industrial cooperation Society
/
v.22
no.3
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pp.169-180
/
2021
This study was undertaken to determine the degree of quality of life, and factors influencing osteoarthritis in hypertensive elderly 65 years or older patients, using data from the 7th National Health and Nutrition Survey 2018. Totally, 843 subjects were included from a national sample. The SPSS WIN 26.0 program was used to analyze complex samples by applying the Rao-Scott chi-square test, t-test, and multiple regression analysis. Results indicate that quality of life of the hypertensive group with osteoarthritis is significantly lower than the group with only hypertension (t=5.07, p<0.001). Factors affecting the decrease in quality of life of the hypertensive group were age, subjective health status, and activity restrictions, and the explanatory power was 46.1% (F=12.33, p<0.001). In the hypertensive group with osteoarthritis, the effective factors included gender, cohabitation status, economic activity, subjective health status, activity restriction, body mass index, sleep time, stress perception, and depression, and the explanatory power was 44.6% (F=99.82, p<0.001). Subsequent studies showed that in order to improve the quality of life of hypertensive seniors, intervention programs are required to actively accommodate health conditions and minimize activity restrictions. In addition, for the elderly with osteoarthritis and hypertension, it is necessary to include exercise and nutrition education for body mass index management, and the development and intervention of multidisciplinary participation programs to strengthen mental health.
The Journal of the Korean Society for Microbiology
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v.34
no.6
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pp.513-518
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1999
A total of 113 Vibrio sp. strains were examined for plasmid content which were subjected to digestion with restriction enzymes. About the 55% Vibrio spp. have the plasmid more than one. Most of these plasmid various derivatives ranged from $2.4\;kb{\sim}23\;kb$, especially two strains of V. mimicus and one strain of V. furnissii carried one high-molecular weight plasmid (molecular weight ranging between $70\;kb{\sim}100\;kb$). Results of restriction analysis for plasmid of this three strains were by no means the rule. For detection of tdh and ctx gene, the virulence factor involved in the pathogenesis, we carried out the TDH and CT assay, PCR amplification, and hybridization. A total 11 strains were produced TDH, involved in 9 strains of V. parahaemolyticus and 1 strain of V. alginolyticus from clinical isolates and 1 strains of V. mimicus from environmental isolates. In the experiments of tdh gene detection, in all, 3 strains of V. parahaemolyticus from clinical isolates and 2 strains from environmental isolates could be successfully amplified in 400 bp by PCR. The PCR results were consistent with DNA hybridization tests. In the experiments of CT assay, in all, 3 strains of V. cholerae from clinical isolate and 1 strain of V. cholerae from environmental isolates were observed CT-producing. These CT-producing strains amplified in 302 bp by PCR for the detection of ctx gene. All CT-producing strains hybridized with digoxigenin-labeled DNA probe, while CT-negative strains did not hybridize. Also hybridization tests results for detection of ctx gene consistent with PCR.
Proceedings of the Korean Society of Life Science Conference
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2000.06a
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pp.9-10
/
2000
The aging process is multifactorial and results from the combined effects of inherited(genetic) and acquired factors including life style, food habits, physical activity, and diseases. That give rise to the various approaches in aging. We are trying to study biological changes with aging, In detail we are focused on gene and protein function accompanied by normal or abnormal aging process, especially our efforts are aimed at revealing the functional relationship of proteins in aging as a final product of gene. We expect that proteomic approach to the study of protein function involved in aging should give us variety of integrated data to understand biological changes of long lived lives, We have applied expression proteomics to rat liver bred in dietary restriction or in at libitum to elucidate the effects of food habit on aging. Expression proteomics shows us protein profile in a selected tissue or cells as a whole and gives us the information about protein expression level, posttranslational modification and degenerative modification of expressed proteins. Comparative analysis of young and old rat liver by two dimensional gels shows that gene expression of several proteins was down regulated in old rats and some protein expression level is increased with aging. Dietary restriction slows down these changes of gene expression and in some proteins there's no difference in protein expression level at same ages in comparison with rats bred in at libitum. About forty protein was identified by peptide mass fingerprint with MALDI-TOF and rest of the protein of interest is in the course of identification, Also we are trying to make mitochondrial and cytosolic proteom reference map. These suborganelle proteom map will gives us the information about low abundance proteins and cellular localization of proteins. Proteomics is a growing methodology to study biological system. High throughput qualitative and qualitative aspect of this approach will gives us large amount of integrated information and speed up our understanding about biological system
Objective Weight change in the postpartum period is a dominant concern of new mothers recently. Postpartum weight retention has important public health implication as well, because retention of gestational weight can be a significant contributor to long-term obesity and associated health risks. This study was designed to collect the latest papers and find more effective approach for postpartum obesity. Methods We searched 81 papers in English from PubMed and selected 41 in favor of our study. In addition to that, we searched 11 papers in Korean and 2 papers in Chinese. Results are as follows. Results and Conclusions These papers show that many different factors were related with postpartum weight retention. This study suggests that moderate weight gain during pregnancy is important to prevent postpartum obesity. Adequate caloric restriction and exercise are needed to prevent from postpartum weight retention. In addition, husbands, some relatives and friends are primary sources for postpartum female to lose and keep up weight. The effect of weight loss associated with lactation significantly differs from paper to paper. There are not many treatments for postpartum weight retention. So, more effective treatments using Korean traditional medicine must be improved even from now on. This study can offer many ideas to treat postpartum weight retention.
Journal of the Korean Society of Clothing and Textiles
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v.16
no.2
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pp.197-209
/
1992
The purposes of this study were 1) to investigate high school girls' overall clothing satisfac-tion and self concepts, 2) to clarify the relationship between clothing satisfaction and self concept in terms of body cathexis, school achievement and social self-esteem, and 3) to find out the social self-esteem differences among the groups related to the high and low levels of clothing satisfaction, body cathexis as well as school achievement. Body Cathexis was measured by the Secord and Jofrard's Body Cathexis Scale. School achievement and social self-esteem were assessed with the modified questionnaires based on the previous researches. Clothing satisfaction which included 3 aspects was measured by the questionnaires developed for this study. The questionnaire was administered to 464 high school students in Seoul, and the data were aiialyzed by frequency, 1-test, one-way·ANOVA and SNK test, Pearson's product moment correlation and factor analysis. The results of this study were as follows: 1) High-school girls 'body' cathexis showed low levels of mean and distribution, wheareas school achievement and social self-esteem showed high levels of those.2) There werf significant positive correlation between clothing satisfaction and all of the self concept variables. In addition, positive correlation were found among the three self concept variables. 3) Three clothing satisfaction factors were emerged and named as clothing possession, clothing selection ability and parent's clothing restriction. Clothing posses- sion and parent's clothing restriction were generally satisfied. 4) School achievement was the most influencial variable for the level of serial self-esteem. It was thought that body dissatisfac-tion would be relieved by the high clothing satisfaction.
Journal of the Korean Society of Hazard Mitigation
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v.6
no.2
s.21
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pp.37-44
/
2006
Any vehicle and equipment whose total weight is more than 40ton and its axle weight is 10ton or above is banned to cross any bridge in our country under section 54 in the Highway law. This restriction results from the accumulation and application of safety factors about which there is type specification in the "standard design vehicle". And in "standard design vehicle", Vehicle load to bridge is assumed concentrating one. Based on this restriction, there is an issue that military tank which has a total weight of 51ton (63ton in case of the US tank) can not cross any bridge. However, many research and practical examples concerned manifest that it is possible for military tanks to cross these bridges. The reasons of this issue in the current Highway law's provisions are analyzed in this paper. Correspondingly, feasibility of military tanks passing these bridges are discussed here. At last, considering economical efficiency and practicability for military, several suggestions and improving measures are put forward. This research has certain reality significance to guide bridge design considering the passage of military heavy vehicles.
Journal of the Korea Academia-Industrial cooperation Society
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v.12
no.11
/
pp.5102-5109
/
2011
The purpose of the this study was to identify validity and reliability of the Korean version of the London Handicap Scale (K-LHS) measuring participation restriction for stroke survivors within outpatient rehabilitation setting. 54 stroke patients participated. The reliability was good with a Cronbach's ${\alpha}$ and intraclass correlation coefficient of .791 and .983, respectively. The results of exploratory factor analysis was that the K-LHS was constructed two factors and explanation power was 72.32%. There are significant correlation between K-MBI and subitems of K-LHS (r=-.454 ~ -.819)(p<.01), except economic item. Because the K-LHS seems to be a valid and reliable, thus, it is considered to be appropriate as a tool to measure participation restriction of stroke patients in clinical practice.
As evidence that can be obtained at the crime scene, the importance of micro-evidences has been recognized in recent years with the development modern molecular-level analytical techniques. These micro-evidences include substances useful for personal identification such as DNA, but it is difficult to collect only the evidences showing individual characteristics every time at the crime scene. Therefore, development of new research approaches for the discovery and application of micro-evidence candidates is in increasing demand. For this purpose, skin microbial communities of bacteria inhabiting the palms of 16 people were collected and terminal-restriction enzyme fragment length polymorphism (T-RFLP) analysis was carried out to examine the potential for the application in personal identification. As a result, 16 different electropherograms were obtained, and various taxa including Staphylococcus and Bacillus were shown to produce different T-RF profiles among individuals. These results were analyzed with the factors affecting the microbiota such as sex and working environment of individuals.
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