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Effects of different intensities of exercise on folliculogenesis in mice: Which is better?
Fitri Kurnia Rahayu1,Sri Ratna Dwiningsih,Ashon Sa’adi,Lilik Herawati 대한생식의학회 2021 Clinical and Experimental Reproductive Medicine Vol.48 No.1
Objective: Exercise is a risk factor for infertility in women. However, research on the effects of different intensities of exercise on folliculogenesis has not yielded clear results. This study was conducted to analyze the effects of differences in the intensity of exercise on folliculogenesis in mice. Methods: Nineteen female BALB/c mice (age, 3–4 months; weight, 13–25 g) were randomly divided into four groups: control, mild exercise, moderate exercise, and high-intensity exercise. The mice in the exercise groups engaged in swimming, with additional loads of 3%, 6%, or 9% of body weight, respectively. There were five swimming sessions per week for 4 weeks, with a gradually increasing duration every week. At the end of the treatment, ovarian extraction was carried out and hematoxylin and eosin staining was performed to identify folliculogenesis. Results: There were significant differences in the number of total follicles between the control and moderate-exercise groups (p=0.036) and between the mild- and moderate-exercise groups (p=0.005). The mean number of primary follicles was higher in the moderate-exercise group than in the mild-exercise group (p=0.006). The mean number of secondary, tertiary, and Graafian follicles did not differ significantly among groups (p≥0.05). However, the number of total follicles and follicles in each phase tended to increase after exercise, especially moderate-intensity exercise. Conclusion: Exercise of different intensities affected the total number of follicles and primary follicles. The number of follicles of each phase tended to increase after exercise. Moderate-intensity exercise had better effects than other intensities of exercise.
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Herding Behavior Model in Investment Decision on Emerging Markets: Experimental in Indonesia
Sri RAHAYU,Abdul ROHMAN,Puji HARTO 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.1
This research aims to examine the model of investor herding behavior in making investment decisions in the Indonesian capital market, which is influenced by social and information impacting on the value of the Book Value Per Share (BVPS). The latest stock market conditions show that most investors make the same error pattern in making investment decisions that result in losses. The experiment involves two independent variables, namely, information about BVPS and social influence. This study used a 2x2 factorial design laboratory experimental method. Data collection was carried out through treatment of a sample of 100 individual investors listed on the Indonesia Stock Exchange. Univariate Two-Way Analysis of Variance (ANOVA) statistical tool was used to test the independent variable on the dependent variable. Research results showed that the social influence originating from expert investors is more influential than the Book Value Per Share (BVPS) information on the behavior of herding investors in making investment decisions. These findings suggest that investors know their psychological factors, thereby increasing self-control and investment analysis skills. Further research can use psychological bias and other indicators of accounting relevant information such as Earning Per Share (EPS) to test herding behavior in investment decision making in the capital market.
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Sri Ratna Rahayu,Intan Zainafree,Aufiena Nur Ayu Merzistya,Widya Hary Cahyati,Eko Farida,Anggun Dessita Wandastuti,Isbandi,Nur Wahidah,Muhamad Zakki Saefurrohim,Muhamad Anbiya Nur Islam,Alvy Fajri,Mon 대한의료정보학회 2022 Healthcare Informatics Research Vol.28 No.4
Objectives: This study was conducted to document the development and usability testing of SIKRIBO, a tuberculosis screening application. Methods: The SIKRIBO application was developed using design science research methodology, which has six steps: problem identification and motivation, definition of objectives for a solution, product design and development, demonstration, evaluation, and communication. A system usability scale (SUS) questionnaire was used to assess application usability. A total of 20 health cadres (trained community members) and health workers participated in the usability tests. Results: Two versions of the application were developed: Android-based for users and web-based for administrators. The Android-based version has four main menus: Find Tuberculosis, Tuberculosis Education, Latest Info, and Profile. The web version is accessible to health workers, as well as the research team and application developers who monitor and manage the user-conducted screenings. The average SUS score was 76 (standard deviation, 8.00). Conclusions: This application was developed to help detect active tuberculosis cases in the community. The SUS results indicate that the application is highly usable. Thus, SIKRIBO is expected to be broadly implemented to increase tuberculosis case detection through active community participation.
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( Andi Sri Rahayu Diza Lestari ),( Yusuf Sudo Hadi ),( Dede Hermawan ),( Adi Santoso ) 한국목재공학회 2018 목재공학 Vol.46 No.2
The aim of this research was to determine the physical and mechanical properties of glued laminated lumber (glulam) made from jabon (Anthocephalus cadamba) and pine (Pinus merkusii). Three layers of lamina from each wood species were bonded using isocyanate adhesive with a glue spread of 280 g·m<sup>-2</sup> and then pressed using cold press with a specific pressure of 1.47 MPa. Samples had dimensions of 3 cm×6 cm×100 cm (thickness, width, and length, respectively). Glulam properties were tested based on Japanese Agricultural Standard (JAS) 234-2003. The results showed that the density of glulam was 0.36 g·cm<sup>-3</sup> for jabon and 0.73 g·cm<sup>-3</sup> for pine. The moisture content of all glulams fulfilled the JAS standard. The mechanical properties of pine glulam fulfilled the JAS standard in all tests, whereas jabon glulam fulfilled the standard in the modulus of rupture and shear tests.
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Siti RAGIL,Sri Mangesti RAHAYU,Suhadak SUHADAK 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.7
This research (1) examines the effect of stock ownership structure on capital structure; (2) explains the effect of stock ownership structure on corporate value; and (3) investigates the influence of capital structure on corporate value. This research is categorized as a quantitative research, which is directed to test various theories. In this study, the population of all consumption companies listed on the Indonesia Stock Exchange (IDX) consist of 38 companies. Population data in this study are all consumption companies, which have gone public in the period from 2010 to 2015. In this study, given the objectives and problem formulation and hypothesis, the analysis method used is Generalized Structural Component Analysis (GSCA). Ownership structure has a significant effect on capital structure; ownership structure has no significant effect on corporate value; capital structure has a significant effect on corporate value; corporate value has a significant effect on capital structure. Previous research found different results. Some researchers found a positive relationship and other researchers found a negative relationship, and there are studies that found both significant and non-significant effects. The inconsistency of previous research results prompted the researchers to examine the effect of ownership structure on capital structure and corporate value.
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WULANDARI, Asih Marini,RAHAYU, Sri Mangesti,SAIFI, Muhammad,NUZULA, Nila Firdausi Korea Distribution Science Association 2022 The Journal of Asian Finance, Economics and Busine Vol.9 No.8
The purpose of this study was to determine the relationship between company risk and factors such as business size, ownership structure, and leverage. The study was conducted on 142 manufacturing sector companies listed on the Indonesia Stock Exchange from 2013 to 2018. The purposive sampling method was used to select the research sample. The sample size for this study was 21 different companies. The analytical approach uses Structural Equation Modeling (SEM) with WarpPLS. According to the findings of the investigation, the size of the company has a significant influence on both the amount of leverage the company uses and the amount of risk the company takes. The level of leverage is significantly influenced by the ownership structure. However, the ownership structure does not have a significant impact on the level of risk the company; rather, leverage has a big impact on the level of risk the company faces. The findings of this study are helpful to prospective investors in measuring the risk posed by the company to make judgments regarding investments. The findings of this study are also essential for management to consider while controlling the risk of the organization.
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Listyarini Kasita,Sumantri Cece,Rahayu Sri,Uddin Muhammad Jasim,Gunawan Asep 아세아·태평양축산학회 2022 Animal Bioscience Vol.35 No.10
Objective: The objective of this study was to identify polymorphism in olfactomedin like 3 (OLFML3) gene, and association analysis with meat quality, carcass characteristics, retail meat cut, and fatty acid composition in sheep, and expression quantification of OLFML3 gene in phenotypically divergent sheep. Methods: A total of 328 rams at the age of 10 to 12 months with an average body weight of 26.13 kg were used. A novel polymorphism was identified using high-throughput sequencing in sheep and genotyping of OLFML3 polymorphism was performed using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). Among 328 rams, 100 rams representing various sheep genotypes were used for association study and proc general linear model was used to analyse association between genotypes and phenotypic traits. Quantitative real-time polymerase chain reaction (qRT-PCR) was used for the expression analysis of OLFML3 mRNA in phenotypically divergent sheep population. Results: The findings revealed a novel polymorphism in the OLFML3 gene (g.90317673 C>T). The OLFML3 gene revealed three genotypes: CC, CT, and TT. The single nucleotide polymorphism (SNP) was found to be significantly (p<0.05) associated with meat quality traits such as tenderness and cooking loss; carcass characteristics such as carcass length; retail meat cut such as pelvic fat in leg, intramuscular fat in loin and tenderloin, muscle in flank and shank; fatty acids composition such as tridecanoic acid (C13:0), palmitoleic acid (C16:1), heptadecanoic acid (C17:0), ginkgolic acid (C17:1), linolenic acid (C18:3n3), arachidic acid (C20:0), eicosenoic acid (C20:1), arachidonic acid (C20:4n6), heneicosylic acid (C21:0), and nervonic acid (C24:1). The TT genotype was associated with higher level of meat quality, carcass characteristics, retail meat cut, and some fatty acids composition. However, the mRNA expression analysis was not different among genotypes. Conclusion: The OLFML3 gene could be a potential putative candidate for selecting higher quality sheep meat, carcass characteristics, retail meat cuts, and fatty acid composition in sheep. Objective: The objective of this study was to identify polymorphism in olfactomedin like 3 (OLFML3) gene, and association analysis with meat quality, carcass characteristics, retail meat cut, and fatty acid composition in sheep, and expression quantification of OLFML3 gene in phenotypically divergent sheep.Methods: A total of 328 rams at the age of 10 to 12 months with an average body weight of 26.13 kg were used. A novel polymorphism was identified using high-throughput sequencing in sheep and genotyping of OLFML3 polymorphism was performed using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). Among 328 rams, 100 rams representing various sheep genotypes were used for association study and proc general linear model was used to analyse association between genotypes and phenotypic traits. Quantitative real-time polymerase chain reaction (qRT-PCR) was used for the expression analysis of OLFML3 mRNA in phenotypically divergent sheep population.Results: The findings revealed a novel polymorphism in the OLFML3 gene (g.90317673 C>T). The OLFML3 gene revealed three genotypes: CC, CT, and TT. The single nucleotide polymorphism (SNP) was found to be significantly (p<0.05) associated with meat quality traits such as tenderness and cooking loss; carcass characteristics such as carcass length; retail meat cut such as pelvic fat in leg, intramuscular fat in loin and tenderloin, muscle in flank and shank; fatty acids composition such as tridecanoic acid (C13:0), palmitoleic acid (C16:1), heptadecanoic acid (C17:0), ginkgolic acid (C17:1), linolenic acid (C18:3n3), arachidic acid (C20:0), eicosenoic acid (C20:1), arachidonic acid (C20:4n6), heneicosylic acid (C21:0), and nervonic acid (C24:1). The TT genotype was associated with higher level of meat quality, carcass characteristics, retail meat cut, and some fatty acids composition. However, the mRNA expression analysis was not different among genotypes.Conclusion: The OLFML3 gene could be a potential putative candidate for selecting higher quality sheep meat, carcass characteristics, retail meat cuts, and fatty acid composition in sheep.
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EXAMINING THE ROLE OF LIFE EVENTS AND COMPULSIVE BUYING
Arnold Japutra,Haryani Primanti,Sri Rahayu Hijrah Hati,Sianne Gordon-Wilson 글로벌지식마케팅경영학회 2023 Global Marketing Conference Vol.2023 No.07
Compulsive buying is a problematic behavior that could lead to negative outcomes (e.g., debts and negative relationships with relatives). Due to the COVID-19 pandemic, people changed their shopping behavior and experienced various life events. This research aims at exploring the relationship between life events and compulsive buying in Indonesia. A qualitative approach using in-depth interviews was employed. Nineteen participants who faced changing course of life, either positive (e.g., give birth) or negative (e.g., sudden death of family), during the pandemic were interviewed. We found that positive life events cause people to feel over-excited and over-grateful and shop compulsively. Negative life events that result in self-doubt and lower self-esteem also lead to a compulsive behavior. The study contributes to the compulsive behavior literature by exploring the antecedent of compulsive buying from the live events perspective and provide implications for policy makers and marketers.
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Changes in Properties of Different Soils Exposed to Paddy Management
Angelika Koelbl,Klaus Kaiser,Livia Urbanski,Peter Schad,Pauline Geier,Vanessa Vogelsang,Reinhold Jahn,Eva Lehndorff,Wulf Amelung,Sri Rahayu Utami,Zhi-Hong Cao,Karsten Kalbitz,Michael Schloter,Andrea B 한국토양비료학회 2014 한국토양비료학회 학술발표회 초록집 Vol.2014 No.6
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