Introduction Of Self Research Articles

Defective ordered macroporous ZIF–8/ZnO heterostructure for enhanced visible–light photo–oxidation performance

Metal–organic frameworks (MOFs) have been extensively used for catalytic reactions due to their abundant structures, regular reticulated channels, and high specific surface areas. They are good platforms for the fabrication of various composites, including metals, oxides, or carbides. Therefore, MOFs can be used as templates to fabricate heterostructures with excellent photocatalytic performance. In this study, the defective ordered macroporous Zeolitic Imidazolate Framework–8/ZnO (D–OM–ZIF–8/ZnO) heterostructure is constructed through the in situ conversion of ordered macroporous ZIF–8 (OM–ZIF–8). The introduction of self–defects into OM–ZIF–8 results in a wide visible–light response band. The ZnO nanoparticles that have formed on the surface of OM–ZIF–8 can effectively regulate surfaces and interfacial states and then construct the heterostructure. The ordered macroporous structure shows considerable advantages for improving carrier mobility, mass transfer rate, and light utilization during photocatalysis. D–OM–ZIF–8/ZnO demonstrates remarkable photocatalytic degradation activity for tetracycline and methylene blue under visible–light. Therefore, our novel construction strategy opens a door for designing ordered microporous MOF–based heterostructures as potential visible–light photocatalysts.

Women Empowerment among students of selected Degree Colleges

Women Domestic violence, dowry related violence, female feticide, gender inequality are some of the social evils faced by women all over the world. Most of the women in our society are the victims of one or the other social evils. Still gender bias and beliefs are playing as chief obstacle for the growth of women empowerment worldwide. The data was collected students studying at Om Prabha First Grade College for Women who fulfill the inclusion criteria. After a brief introduction of self, the investigator and the participants were seated in the class room and self-administered questionnaire was distributed to get response from each subject. The students took about 30 minutes to complete the questionnaire. The purpose of the study was explained and confidentiality was assured. Thanking the respondents, then the data collection procedure was terminated. Thus the attitude regarding women empowerment was assessed. The attitude towards women empowerment was assessed through 5 point rating scale, majority of the respondents 64% had favourable attitude regarding women empowerment and 36% of the respondents had moderately favourable attitude regarding women empowerment. The mean of overall attitude score was 118.28, mean % was 78.9 with standard deviation 15.2 and standard deviation % 10.1. Hence the association between attitude and selected demographic variables is statistically significant with respect to Age, Religion, Type of family, Number of siblings and Source of information and non-significant with respect to occupation of mother and occupation of father. Hence H1-there will be a significant association between attitude and demographic variables was accepted. The study concluded that Attitude brings about remarkable changes in the status of women. This study will throw light to empower women in all dimensions which in turn improve the society

New self-healing hydrogels based on reversible physical interactions and their potential applications

In the last years, responsive hydrogels have been widely studied due to their capacity to interact with the biological environment in a pre-programmed manner. Another aspect worth considering when synthesizing intelligent hydrogels is the introduction of self – healing characteristics, which can sustain the recovery of a material to its original shape.The study was developed as an extension of an ongoing investigation regarding new interpenetrated gels (IPNs) based on poly(N,N-dimethylaminoethyl methacrylate) (PDMAEMA) and poly(itaconic anhydride-co-3,9-divinyl-2,4,8,10-tetraoxaspiro[5.5] undecane) (PITAU) and it was focused on highlighting not only the rheological properties and the behaviour in simulated biological fluids, but also to confirm the possibility of using this kind of hydrogel as a drug delivery system. The semi-IPN structure was achieved by crosslinking DMAEMA into a preformed network of PITAU. The IPNs swelling kinetics and self-healing capacity evaluated by visual observation and oscillatory rheology were investigated. The potential of these IPNs gels to act as drug delivery systems has been explored by loading them with ibuprofen, and the in vitro drug release has been evaluated. The in vivo investigation was conducted in order to demonstrate the biocompatibility of the studied gels after systemic administration in mice. The new synthesised IPNs exhibit self-healing characteristics with promising capacity to be used as a controlled drug delivery system.

EFEKTIVITAS PROGRAM ADOLESCENCE CHARACTER BUILDING (ACB) TERHADAP PENANAMAN KARAKTER REMAJA DI KABUPATEN SUMBAWA

Adolescence is an important stage in human development. This study aims to determine the effectiveness of the Adolescence Character Building (ACB) program in order to build of adolescents characters in Sumbawa Regency. The population is high school students in the capital of Sumbawa Regency by using samples of students of SMAN 2 Sumbawa Besar. The program was conducted for three days on July 16th, 18th and 19th. The independent variable is ACB program, while the dependent variable is character understanding in adolescent. The participants are given a pre-test sheet. Program was delivered by instruction (lecture), discussion, simulation, and game. During learning the particiants get eight ACB modules, namely (1) Introduction of Self; (2) Learning Styles; (3) Goal, Mission, and Time Management; (4) Reactive and Proactive; (5) Conflict Management; (6) Assertive and Critical Thinking; (7) Empathy and Respect for Others; and (8) Leadership. After the program is completed the participants are given post-test sheet. The effectiveness of the program was analyzed using the Wilcoxon Signed-Ranks test to examine differences student’s understanding about the value of character between before and after program intervention. The results of this study indicate that there is influence of ACB program implementation on the participants. The post-test score is higher than the pre-test score. The effectiveness of the program during the study may be due to internal and external factors. Internal factors such as an understanding of some participants to the values ​​of character. External factors include an appropriate and fun methods, relevant material and professional instructor.

A self-access learning facility in a Libyan University

“The introduction of Self –Access Language Learning (SALL) requires change in the roles of learners, teachers and institutions.” (Gardner and Miller, 1999, p.13). SALL is a concept which has developed as a result of the promotion of autonomous learning which takes place without the teacher’s control. Nevertheless, establishing SALL in any educational institution will require the institution to be aware of the abilities and constraints that it has. Furthermore, getting the teachers and the students involved in this will necessitate change to their traditional roles. In this article I will focus on SALL and how its application can change the roles of the institution, teachers and students. The article has two phases: theoretical and practical. The theoretical phase deals with the definition of SALL , the relationship between the SALL and the belief of autonomy, the existence of the self access centre (SAC) and the change of roles while the practical phase presents a simple design of a SAC in a Libyan university .

Student perceptions of using the PebblePad e-portfolio system to support self- and peer-based formative assessment

The primary objective of the action research project discussed here was to monitor the implementation of an innovative course redesign in which the PebblePad e-portfolio system was used as the medium to support the introduction of self- and peer-based formative assessment strategies to approximately 170 students in the first year of a Bachelor of Education Honours Degree (BEd (Hons)) course. Successful completion of the four-year degree qualifies graduates to teach in primary (elementary) schools in Scotland. Action research was selected as a design due to its ability to support practitioner research whose express aim is to bring about change and improve practice through active learning and engagement. Students completed two questionnaires describing their experiences of assessment and feedback and of PebblePad usage on the course and detailing the impact of these on their ability to self-regulate learning. Findings were subjected to descriptive statistical analysis and indicate that self- and peer-based formative assessment was effective in fostering self-regulation in students and that this process was enhanced by adoption of the e-portfolio system. Further research may seek to explore the effectiveness of other ICT tools to support formative assessment and the extent to which self-regulation may foster positive attitudes to lifelong learning.

Mode transitions in distributed-feedback tapered master-oscillator power-amplifier: theory and experiments

Theoretical and experimental investigations have been carried out to study the spectral and spatial behavior of monolithically integrated distributed-feedback tapered master-oscillators power-amplifiers emitting around 973 nm. Introduction of self and cross heating effects and the analysis of longitudinal optical modes allows us to explain experimental results. The results show a good qualitative agreement between measured and calculated characteristics.

Self managing teams in high technology manufacture: overcoming technological barriers

This paper examines the introduction of self managing teams into a high technology workplace. The paper looks at the managerial and organizational implications of developing teams in what was considered a high technology environment where the physical restrictions of manufacture were assumed to dictate working practices. The case study evidence suggests that even in an atmosphere of clean rooms and clear communication difficulties, SMTs can prosper and suggests that it is only the physical boundaries which impede the development of more flexible forms of work organization.

Innovating androgogy in a basic nursing course: an evaluation of the self directed independent study contract with basic nursing students

The aim of this research was to evaluate over a 12 month period the introduction of self initiated and self directed study contracting with student nurses. A literature search found no reference to study contracting with basic nursing students during the decade 1976–1986. The participants included students at the start of their first year and groups of second and third year students. The potential significance of independent contracted study is related to androgogical teaching and learning philosophy. The main findings of the study are discussed. The method of research employed was of a qualitative nature utilising triangulation of data and the identification and analysis of KEY events. A fuller account of this research was originally submitted in part fulfilment for bachelor of education honours award.