1,071 research outputs found
Perbedaan Pengaruh Metode Pembelajaran Part Practice Dan Whole Practice Terhadap Hasil Belajar Maegeri Pada Siswa SMP Negeri 6 Pontianak
This study aims to analyze, whether there Effect of practice learning methods and whole part of the learning outcomes maegeri practice in class VII A SMP of Foreign 6 Pontianak. The method used is an experimental method to study shape ie Pre-Experimental Design. The sample in this research the whole class VII A SMP 6 Pontianak numbered 36 people. Data analysis was performed to test for normality, homogeneity test and test the effect. The results were obtained following conclusions: (1) There is a difference between the effect of practice learning methods and whole part of the learning outcomes maegeri practice, in group 1 (18.76 tcount> ttable. 2110), and in group 2 (thitung 28.46> 2.110. (2) method of whole practice more effective learning effects than part-practice methods, in group 1 has increased by 29.28%. the second has increased by 30.39%. Based on these results it can be concluded that hypothesis is accepted hypothesis means that there are differences in the effect of part-practice learning methods and whole practice on learning outcomes maegeri at a seventh grade students of SMP of foreign 6 Pontianak
MOLECULAR DETECTION OF PROSTATE CANCER USING A PANEL OF DNA METHYLATION BIOMARKERS
Introduction: The diagnostic of prostate cancer (PCa) using serumbasedprostate specific antigen (PSA) has some limitations due to falsepositiveand negative results. The purpose of our study was to analyse thehypermethylation of three genes from plasma samples and to determine the feasibility of these genes to aid as biomarkers in detecting PCa in plasma by noninvasive methods.Materials and Methods: Genomic DNA was extracted from the peripheralblood plasma of 74 patients with localized PCa. All the samples wereexamined for aberrant hypermethylation in retinoic acid receptor β variant 2 (RARβ2), glutathione S-transferase P1 (GSTP1) and Ras association domain family 1 isoform A(RASSF1A) genes, using methylation-specific PCR (MSP), and the results were correlated with the clinicopathologicalparameters.Results: The percent of methylation of the analyzed genes was as follows: RARβ2 was found methylated in 54 cases (73 %), GSTP1 in 58 cases (78.4%), and RASSF1A was found methylated in all 74 cases (100%).Conclusion: Our study demonstrates that, using a panel of DNA methylated biomarkers aids the identification of PCa patients and with minimally invasive techniques , may yield information independent of serum PSA or the TNM stage
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Thermally induced evolution of the structure and optical properties of silicon nanowires
In the present paper, we report on the investigation of thermal annealing (TA) effect on structural and optical properties of crystalline silicon nanowires produced by metal-assisted chemical etching approach. In particular, the impact of TA on nanowire length, relative volume and size distribution of voids is described in terms of Lifshitz-Slyozov-Wagner theory considering the TA induced Oswald ripening in the SiNW arrays. It was also found that TA leads to a decrease of the SiNWs total reflection in the wide UV–VIS-IR spectral range. The reported effects can be used for tuning of crystalline SiNWs arrays in view of their further applications in photonics related fields. © 2020 The Author
An Atom Michelson Interferometer on a Chip Using a Bose-Einstein Condensate
An atom Michelson interferometer is implemented on an "atom chip." The chip
uses lithographically patterned conductors and external magnetic fields to
produce and guide a Bose-Einstein condensate. Splitting, reflecting, and
recombining of condensate atoms are achieved by a standing-wave light field
having a wave vector aligned along the atom waveguide. A differential phase
shift between the two arms of the interferometer is introduced by either a
magnetic-field gradient or with an initial condensate velocity. Interference
contrast is still observable at 20% with atom propagation time of 10 ms
Colour based sorting station with Matlab simulation
The paper presents the design process and manufacturing elements of a colour-based sorting station. The system is comprised of a gravitational storage, which also contains the colour sensor. Parts are extracted using a linear pneumatic motor and are fed onto an electrically driven conveyor belt. Extraction of the parts is done at 4 points, using two pneumatic motors and a geared DC motor, while the 4th position is at the end of the belt. The mechanical parts of the system are manufactured using 3D printer technology, allowing for easy modification and adaption to the geometry of different parts. The paper shows all of the stages needed to design, optimize, test and implement the proposed solution. System optimization was performed using a graphical Matlab interface which also allows for sorting algorithm optimization
Variability of Biological Parameters in Blood Samples Between Two Consecutive Schedules of Hemodialysis
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