Penggunaan Metode Pemecahan Masalah Dalam Pembelajaran IPA Untuk Meningkatkan Hasil Belajar Siswa Sekolah Dasar

Thisstudyaims to determinehow muchthe teacher\u27s ability to designandimplementlearning andimprovementactivitiesand student learning outcomesusingproblem-solving methods Thefifth gradeElementarySchool38SeluangDanau. The researchmethodusedisdescriptivequalitative. Thestudysamplewas18students. Based on the analysisof dataobtained bythe first cyclesuccess ratereached66.67% withan averagevalue of5.17. In the second cyclesuccess ratereached66.67% withan average ratingof 6.11. In thethird cycleachieveda success rateof 100% withan average ratingof 7.55. Thus, learningof Natural Sciencesatthe landformationmaterialthroughtroubleshootingmethod canalsoincrease the activityandlearning outcomesfifth gradeelementary school38 Seluang Danaustudents Landak regency need to be appliedasagood learning, whichcanactivatethe activityandoptimizestudent learning outcomes

Pengaruh Peran Perawat Sebagai Care Giver Terhadap Length of Stay (Los) Di Igd RSUD Dr.t.c.hillerrs Maumere Dengan Pelaksanaan Triage Sebagai Variabel Moderasi

Setiap tahun, lebih dari 2 juta orang/tahun datang mengunjungi IGD dan tidak jarang terjadi penumpukan pasien atau overcrowded yang menjadi masalah serius yang terjadi di IGD, dimana hal ini menyebabkan waktu tunggu yang lama dan ketidakpuasan pasien terhadap pelayanan di IGD. LOS merupakan indikator yang efektif untuk menilai kinerja dari IGD dan kualitas dari triage, hal ini menuntut perawat IGD untuk selalu menjalankan perannya di berbagai situasi dan kondisi yang meliputi tindakan penyelamatan pasien secara profesional. Metode yang digunakan kuantitatif observasional analitik dengan pendekatan studi penampang analitik (analytic cross sectional study), jumlah sampel yang digunakan 20 responden untuk subjek perawat dan 100 responden untuk subjek pasien dengan quota sampling. Hasil uji chi square (p value <0,05) menunjukan tidak ada pengaruh peran perawat sebagaI care giver terhadap lenght of stay pasien di IGD dengan nilai signifikansi 0,649 dan penentuan pengaruh triage terhadap LOS pasien dilakukan dengan uji fisher menunjukan bahwa tidak memberikan pengaruh terhadap LOS pasien dengan nilai signifikansi 0,410 (p value <0,05). Kesimpulan adalah tidak ada pengaruh peran perawat sebagai care giver dengan LOS pasien dengan pelaksanaan triage sebagai variabel moderasi. Adapun faktor-faktor yang mempengaruhi LOS diantaranya waktu kedatangan, waktu konsultasi, waktu pemeriksaan lab, waktu pemeriksaan radiologi dan waktu disposisi fisik, dan ketersediaan tempat tidur di unit lain. Berdasarkan hasil penelitian tersebut diatas maka dianggap perlu untuk menyempurnakan hasil penelitian ini dengan memperbaiki setiap kekurangan yang ada, diantaranya menambah jumlah sampel, menambah waktu penelitian, memperbaiki metode observasi dan melakukan penelitian lebih lanjut terhadap faktor-faktor yang berpengaruh terhadap LOS pasien

Identifikasi Kandungan Kimia Ekstrak Kulit Buah Manggis (Garcinia Mangostana L.)

Ekstrak kulit buah manggis (Garcinia mangostana L.) telah terbukti memiliki berbagai macam aktivitas farmakologi. Kandungan kimia yang terkandung dalam kulit buah manggis yang bertanggungjawab dalam memberikan aktivitas farmakologi. Skrining fitokimia bertujuan memberikan gambaran tentang golongan senyawa yang terkandung dalam tanaman yang sedang diteliti. Skrining fitokimia yang dilakukan terhadap ekstrak etanol kulit buah manggis (Garcinia mangostana L.) meliputi pemeriksaan alkaloid, glikosida, steroid/triterpenoid, saponin, flavonoid, polifenol dan tanin. Hasil uji skrining fitokimia menunjukkan bahwa ekstrak etanol kulit buah manggis (Garcinia mangostana L.) positif mengandung senyawa golongan flavonoid, saponin, alkaloid, triterpenoid, tanin, dan polifenol

The Effectiveness of Play Therapy and Musical Therapy in Reducing the Hospitalization Stress

Introduction: Hospitalization in pediatric patients may caused an anxiety and stress in all age levels. Several techniques can be applied to reduced hospitalization stress in children, such as playing therapy and music therapy. The objective of this study was to analyze the difference of effectiveness between both therapies in reducing the hospitalization stress in 4-6 years old children. Method: A quasy-experimental pre-posttest design was used in this study. There were 18 respondents, divided into three groups, i.e. group one receiving playing therapy, group two receiving music therapy and the last group as control group. Data were collected by using observation sheet before and after intervention to recognize the hospitalization stress. Data were analyzed by using Wilcoxon Signed Rank Test and Mann Whitney U Test with significance level of α<0.05. Result: Result showed that playing therapy and music therapy had significant effect to reduce the hospitalization stress with p=0.027 for play therapy, p=0.024 for musical therapy, and p=0.068 for control. Mann Whitney U Test revealed that there were no difference in the effectiveness of play therapy and musical therapy in reducing the hospitalization stress with p=0.009 for play therapy and control group, p=0.012 for music therapy and control group, and p=0.684 for playing therapy and musical therapy. Discussion: It can be concluded that play therapy and musical therapy are equally effective to reduce the hospitalization stress in children. It's recommended for nurses in pediatric ward to do playg therapy and musical therapy periodically

Uji Efikasi Bioinsektisida Jamur Entomopatogen Berformulasi Cair Terhadap Plutella Xylostella (L.) Di Laboratorium

Efficacy test of liquid bio-insecticide of entomopathogenic fungi in control against Plutella xylostella in the laboratory. The insect pest P. xylostella could reduce crop production of Brassicaceae. The aim of research was to test the efficacy liquid bio insecticide with active ingredient of Beauveria bassiana and Metarhizium anisopliae fungi to control P. xylostella. Bio-insecticide was applied by spraying on mustard leaves infested with 50 individuals of third instar larvae of P. xylostella and a density of 1x106 conidia ml-1. Larval mortality was observed every 2 hours and LT50 of larvae was calculated. The study showed that the highest percentage of mortality found in Mt ES and Mt ES (cf) isolates was 99.6%, the lowest mortality at Mt NES isolate was 96.80%. LT50 and LT95 values Bb ES were the lowest i.e. 2.04 days and 2.95 days. The highest LT50 and LT95 of Mt NES isolate were 2.24 days and 3.32 days. The liquid bio-insecticide of entomopathogenic fungus B. bassiana and M. anisopliae were effective to control the larvae of P. xylostella

Quantitative Analysis of the Effect of Cancer Invasiveness and Collagen Concentration on 3D Matrix Remodeling

Extracellular matrix (ECM) remodeling is a key component of cell migration and tumor metastasis, and has been associated with cancer progression. Despite the importance of matrix remodeling, systematic and quantitative studies on the process have largely been lacking. Furthermore, it remains unclear if the disrupted tensional homeostasis characteristic of malignancy is due to initially altered ECM and tissue properties, or to the alteration of the tissue by tumor cells. To explore these questions, we studied matrix remodeling by two different prostate cancer cell lines in a three-dimensional collagen system. Over one week, we monitored structural changes in gels of varying collagen content using confocal reflection microscopy and quantitative image analysis, tracking metrics of fibril fraction, pore size, and fiber length and diameter. Gels that were seeded with no cells (control), LNCaP cells, and DU-145 cells were quantitatively compared. Gels with higher collagen content initially had smaller pore sizes and higher fibril fractions, as expected. However, over time, LNCaP- and DU-145-populated matrices showed different structural properties compared both to each other and to the control gels, with LNCaP cells appearing to favor microenvironments with lower collagen fiber fractions and larger pores than DU-145 cells. We posit that the DU-145 cells' preference for denser matrices is due to their higher invasiveness and proteolytic capabilities. Inhibition of matrix proteases resulted in reduced fibril fractions for high concentration gels seeded with either cell type, supporting our hypothesis. Our novel quantitative results probe the dynamics of gel remodeling in three dimensions and suggest that prostate cancer cells remodel their ECM in a synergistic manner that is dependent on both initial matrix properties as well as their invasiveness

The Evolution of Compact Binary Star Systems

We review the formation and evolution of compact binary stars consisting of white dwarfs (WDs), neutron stars (NSs), and black holes (BHs). Binary NSs and BHs are thought to be the primary astrophysical sources of gravitational waves (GWs) within the frequency band of ground-based detectors, while compact binaries of WDs are important sources of GWs at lower frequencies to be covered by space interferometers (LISA). Major uncertainties in the current understanding of properties of NSs and BHs most relevant to the GW studies are discussed, including the treatment of the natal kicks which compact stellar remnants acquire during the core collapse of massive stars and the common envelope phase of binary evolution. We discuss the coalescence rates of binary NSs and BHs and prospects for their detections, the formation and evolution of binary WDs and their observational manifestations. Special attention is given to AM CVn-stars -- compact binaries in which the Roche lobe is filled by another WD or a low-mass partially degenerate helium-star, as these stars are thought to be the best LISA verification binary GW sources.Comment: 105 pages, 18 figure