Abstract:The aim of our study was to assess clinically the posterior composite restorations` wear in patients with extreme masticatory forces. Total of 30 direct restorations by Gradia Direct Posterior (GC Corporation Tokyo Japan) were evaluated in Class I and Class II caries lesions in preselected patients (mean age 25 years) with clinical and anamnestic signs of bruxing and clenching habits at 6-month and 12-month follow-ups. The gypsum replicas of the restored teeth were prepared immediately after restorative procedure (baseline) and at every recall. All replicas were digitally scanned by 3ShapeTrios. The statistical analysis was performed by SPSS 17.0, p<0.05. No statistically significant differences were evaluated in restorations` wear between the initial state and the 6th month recall (?2 = 464,333), between the 6th and the 12th month recall (?2 = 409,833), and between baseline and 12th month recall (?2 = 455,833).
Abstract:The job satisfaction of employees in Airline industry has been a reoccurring issue over the years. The lack of job satisfaction has led to many strike actions undertaken at various times by wide spread sections of the Indian economy for many diverse reasons ranging from pay to several other factors. For examining the employees’ opinion towards the influence of transformational leadership, transactional leadership on job satisfaction, the researcher has selected 210 employees in Tamil Nadu working in Airline industry. A structured questionnaire has framed and the respondents’ opinion has collected about it. By using the simple percentage analysis, mean score analysis, standard deviation, correlation analysis and SEM analysis has also used. The result found that transactional leadership behavior has highly influenced the job satisfaction of the employees.
Abstract:Environmentally friendly methods for obtaining nanomaterials see a great interest. In addition to being inexpensive, the easy implementation process and the advantages of synthesis without toxic chemicals are the main reasons of interest. In this study, silver nanoparticles (AgNPs) were successfully synthesized using fig (Ficus carica) leaf extract. The formation and the presence of AgNPs were observed using ultraviolet-visible spectrophotometry (UV-Vis). Peaks with a maximum wavelength of 419 nm are identified in the measurements. Phytochemicals in the extract responsible for functional groups providing reduction and stability were evaluated using fourier transform infrared spectroscopy (FT-IR) data. The Scanning electron microscopy-Energy Dispersive X-Ray Spectrum (SEM-EDX) analysis showed that the AgNPs were spherical and the elemental composition contained mostly silver. X-ray diffractometer (XRD) results revealed that the peaks 111o, 200 o, 220 o and 311 o belong to the characteristic structure of silver and have a crystal dimension of 17.30 Nm using Debye-Scherrer equation. In thermogravimetric - differential thermal analysis (TGA-DTA) analysis, the degradation temperatures of AgNPs were evaluated. AgNPs showed antimicrobial activity on various microorganisms even at very high concentrations. As a solution to the antimicrobial search, it can be developed in medical industry.
Abstract:Aim: Plant growth promoting rhizobacteria (PGPR) inluences plant health and productivity by various ways. A good selection of a PGPR strain to be needed for biofertilizer production especially red onion (Allium ascalonicum) cultivated on Arenosols. The objective of this study were isolation, selection and evaluate good PGPR strains to red onion cultivaed on arenosols.\nMethods and Results: Nitrogen-fixing and phosphate-solubilizing bacterial diversity and population dynamics in the Arenosols rhizosphere of red onion (Allium ascalonicum) grown in Vinh Chau district, Soc Trang province, the Mekong Delta, Vietnam was studied. Arenosols rhizosphere samples were taken Physical and chemical characteristics of soil samples in four sites of this region and population of nitrogen-fixing and phosphate-solubilizing bacteria were determined by drop plate count method together with 16S rRNA gene fragments amplified from DNA using eubacterial universal primers (27F and 1492R). A total of 63 isolates were isolated on two media (Burk闂備胶鍋ㄩ崕鏌ユ偘閿燂拷 N-free and NBRIP) and all of them have ability of nitrogen fixation and phosphate solubilization together with IAA biosynthesis. Population of nitrogen-fixing and phosphate-solubilizing bacteria correlated with soil pH closely (P<0.05). The sequences from selected nitrogen-fixing and phosphate-solubilizing bacteria (20 isolates) showed high degrees of similarity to those of the GenBank references strains (between 97% and 99%). From 20 isolates, 14 belonged to Bacilli, while 6 were Gamma-Proteobacteria. \nConclusion: From these results showed that two strains (Enterobacter ludwigii N6b and Pseudomonas sp. N4b) revealed promising candidates with multiple beneficial characteristics and they have the potential for application as inoculants adapted to poor soils and red onion plants because they are not only famous strains but also are safety strains for agricultural sustainable.
Abstract:This research was conducted for the purpose of determining the relationship between Neuromanagement and Information and Communication Technologies (ICT) in the University of Zulia. The spaces where the research were carried out are the Directorate for the administration of the Schools of Public Accounting, Administration, Economics, Sociology, and in the Directorate for the administration of the Division of Studies for Graduates of the Faculty of Economics and Social Sciences (FESS) of the University of Zulia (LUZ); the sample was composed of 13 workers of the FESS (2 directors and 11 employees). The instruments used for collecting the information were the questionnaire and sign-in sheets. The analysis performed to data was descriptive with a non-experimental, trans-sectional-correlational and field. The investigation meets with a high positive correlation between variables, which shows that greater use of ICT contributes to improve the Neuromanagement. In the conclusion the results demonstrated that the variable Neuromanagement obtained a high presence in senior management and employee of the LUZ, while the variable ICT obtained a moderate weight, respectively. In this scenario, it is necessary to present to the Council of the university, a project that is translated into regulation or rules, oriented to the incorporation of ICTS and the application of the Neuromanagement in the administrative processes of the university, toward the development and acquisition of basic skills, among which appears to the digital competence, information processing and management training, which are essential in the Information and Knowledge-based Society of the 21st century.
Abstract:Synthesizing nanoparticles (NPs) using wild edible fungi with environmentally friendly synthesis methods is more preferred because of the advantages it provides. The fact that its synthesis is easy, economical, non-toxic and has a wide range of uses increases the interest in this subject. The aim of this study was to determine the antioxidant and cytotoxic activity of biomolecularly synthesized Pleurotus eryngii silver nanoparticles (PE-AgNPs) against human prostatecarsinoma (PC-3), human cervix (HeLa) and breast carcinoma (MCF-7) cells. PE-AgNPs showed significant cytotoxic activity against HeLa, PC3, MCF-7 cell lines, and also dimethyl sulfoxide solvents of PE-AgNPs applied for their metal chelating activity, 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging capacity and antioxidant activity using the β-carotene linoleate model system. Biosynthetic PE-AgNPs were found to inhibit the proliferation of PC-3, HeLa and MCF-7 cells with IC50 values of 2.185, 46.594 and 6.169 µg / ml, respectively, during a 24-hour incubation period. With the parallel of increasing concentartions (1, 2, 5, 10 mg/mL) the activities were also increased at all the tests studied. At 10 mg/mL antioxidant activities were 82%, 85% and 77% for chelation of ferrous ions reducing power, DPPH scavenging and β-carotene linoleate tests respectively. The results show that PE-AgNPs may contribute to the development of a suitable anticancer drug that can lead to a new development of nanoparticles for cancer treatment. It also appears to be advantageous to use nanotechnology and green chemistry to improve the existing therapeutic properties of P. eryngii.
Abstract:In Brazil, in the last decades, the proportion of deliveries performed among adolescents is increasing. It is observed that even with the reduction of the fertility rate in the 70\'s, the number of pregnancies in adolescence has increased greatly in recent years. Thus, this study aimed to identify the main factors associated with pregnancy in adolescents according to the nurses\' perception. This is a qualitative study with a descriptive approach, developed in the Family Health Strategy of a Brazilian municipality. Five nurses participated in the study. A semi-structured script was used to collect the data and, for the analysis of participants\' discourses, the Content Analysis technique was used. It was evidenced that the main factors associated with the high number of pregnant adolescents in the municipality are low income, lack of information about sexuality and fertilization, inadequate use of knowledge about contraception, mainly on the use of contraceptives and condoms.
Abstract:The paper provides a diagnosis of the fragile position of developing countries in the knowledge economy and proposes recommendations to enhance it. The paper opted for: to measure the intensity of the contribution of knowledge to the economic performance of developing countries, a Knowledge Economy Index (KEI) has been developed to classify industries according to the knowledge content (high, medium and low). We present a number of theoretical, making use of econometric techniques developed to justify the role of knowledge production and ownership of skills in the development of activities that generate high added value. We constated that: The Knowledge Economy Index (KEI) follows the following form: ??EI??(Developing Countries)=0.43*HK+0.16*(R&D)+0.43*TFP ??EI??(Industrialized Countries)=0.32*HK+0.30*(R&D)+0.38*TFP The success of a strategy of building the knowledge economy will depend on a number of conditions which require, among other things, a deepening of reforms to the pillars of economy, development of a modern infrastructure science and technology, skills development and intensification of scientific research, a favorable regulatory framework for economic and technological change and respect the rules of intellectual property.
Abstract:This study aimed to analyze the training of nursing technicians for the Unified Health System. This is a descriptive cross-sectional study with a quantitative approach developed with students of the technical nursing course at a professional training school. There was a predominance of females, between 18 and 23 years old, single and with Complete High School. Most students consider the curricular structure appropriate to the SUS, however, a significant percentage of students stated that the theoretical knowledge about the SUS is not applicable in the practical field. It was verified that the technical professionals should be focused on the continuous qualification and the development of competencies, in this way, the curricular structure, the arrangement of the clinicals, the articulation of the subjects, and the teaching methodologies must be in balance to offer to the student the best training, and to allocate the health area quality professionals.
Abstract:In this work, circular slices of carrots were dried at temperatures of 40, 50, 60 and 70 °C. The carrot slices were cut with average thickness of 4.5 mm. A numerical solution was proposed for the diffusion equation in Cartesian coordinates (one-dimensional case), in order to describe the drying process. The diffusion equation was discretized assuming the variation of the effective diffusivity and the thickness of the slices. Six empirical equations found in the literature were analyzed to study the drying rate. A period of induction was observed at the four temperatures studied. These periods were considerable, especially at temperatures of 40 and 50 °C. The proposed diffusive model described well the periods of decreasing rate, with good statistical indicators for all fits.