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Kaunia: Integration and Interconnection of Islam and Science Journal
Published by Universitas Islam Negeri Sunan Kalijaga Yogyakarta
ISSN : 18295266     EISSN : 29622085     DOI : -
Core Subject : Religion, Science, Education,
Religion Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Physics
The aim of KAUNIA journal is to publish high-quality articles dedicated to all aspects of the latest outstanding developments in the field of Science, Mathematics, Education, Technology, and Religious Perspective Interconnect-Integration. The journal publishes articles, reviews, and research notes whose content and approach are of interest to a wide range of scholars.
Arjuna Subject : Umum - Umum
Articles 8 Documents
 1 
Search results for , issue "Vol. 10 No. 2 (2014)" : 8 Documents clear
ISOLASI DAN KARAKTERISASI BAKTERI PENGHASIL BIOGUM XANTHAN DARI BRASSICA OLERACEAE ASAL KEPUNAN MAGELANG JAWA TENGAH Mustini Mustini; Erny Qurotul Ainy
Kaunia: Integration and Interconnection Islam and Science Vol. 10 No. 2 (2014)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1068

Abstract

Food additive such as gelling agent and emulsifier is essential ingredient in food processing. Microbial gum such as xanthan gum is a hydrocolloid microbial that could play as gelling agents and emulsifier in food industry. Xanthan gum is produced by a phytopathogenic bacteria, Xanthomonas campestris. This study aims to isolate xanthan gum producing local bacteria of Brassica oleracea L. leaf showing black root symptom. The isolation performed by inoculating leaf an nutrient agar media. Three isolated bacteria were purified and tested their ability in producing gum using YDC broth for 4 days. The test result showed that the isolates were Xh.A, Xh.B, and Xh.C had ability to produce biogum. Profile matching resul t showed   that Xh.A, Xh.b, and Xh.C   were identified as member of Pseudomonas, Aureobacterium and Xanthomonas genus, respectively.
EFEKTIVITAS EKSTRAK KULIT BATANG, AKAR, DAN DAUN SIRSAK (Annona muricata L) TERHADAP KADAR GLUKOSA DARAH Siti Rahmawati; Najda Rifqiyati
Kaunia: Integration and Interconnection Islam and Science Vol. 10 No. 2 (2014)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1069

Abstract

Sour-sop is known for its specialty for health, in which one of them is functioning as medicine for diabetes mellitus disease. However, most people only utilize its leaves. This research is aimed at defining effectiveness of extracts of barks, roots, and leaves in decreasing blood glucose level as well as observing the most effective part in decreasing blood glucose level. Applied methods include completely random method by using 15 mice divided into 5 groups, namely K-, K+, P1, P2, and P3. Groups K+, P1, P2, P3 were injected with STZ at dosage of 40 mg/kg. Group K- was only provided with aquades, K+ was given metformin at dosage of 60 mg/kg BB, while groups P1, P2, and P3 were given extracts of bark, roots, and leaves at dosage of 125 mg/kg BW, respectively. Glucose level Measuements were conducted twice, namely fasting blood glucose level and blood glucose 2 hours after eating. Obtained data was then analyzed using ANOVA one way test and then continued by using LSD test. For measurement of fasting blood glucose level in day 15 after treatment, results for level of fasting blood glucose of K- ( 88 mg/dl), K+ (234 mg/dl), P1 (93 mg/dl), P2 (397 mg/dl), and P3 (254,67 mg/dl). Whereas for measurement of blood glucose level after 2 hours of eating, results for K- (116.67 mg/dl), K+ (562 mg/dl), P1 (561.67 mg/dl), P2 (498.3 mg/dl), and P3 (489 mg/dl). Obtained result of Anova one way shows that there is difference in glucose level among different treatments. For LSD test, it was found that for measurement of fasting blood glucose level for P1 and K-, there is no different level of glucose but difference was found at treatment taken 2 hours after eating. Whereas for K+, P2, and P3, difference was found between fasting blood glucose level and that taken 2 hours after eating. P1 (extract of bark) effectively decreased level of fasting blood glucose but did not yet effectively reduce level of blood glucose 2 hours after eating; whereas P2 and P3 did not effectively  educe levels of fasting blood glucose and blood glucose 2 hours after eating. Bark is the most effective part in reducing blood glucose level.
SELEKSI BAKTERI TERMOFILIK SELULOLITIK PASCA ERUPSI MERAPI Anna Rakhmawati; Evy Yulianti; Eli Rohaeti
Kaunia: Integration and Interconnection Islam and Science Vol. 10 No. 2 (2014)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1070

Abstract

Thermophilic bacteria after the eruption of Merapi in 2010 have been isolated from the Gendol Atas river with dilution and enrichment methods. The purpose of this study was to conduct the selection of these bacteria as producers of cellulase enzymes. Selection was done by growing 348 bacterial isolates on selective media Mandels-CMC 0.5% using Carboxy Methyl Cellulose (CMC) as carbon source. Incubation was performed at 55 °C for 24 hours. The results showed 255 isolates (73.27%) were able to grow in Mandels medium-CMC 0.5%. Bacterial isolates were isolated by enrichment method (69.8%) were more able to grow on selective media compared with the dilution method (30.2%). The diameter of the three largest colonies were isolates D13a (2.44 cm); E135 (2.33 cm); and D110a (1.98 cm).
KAJIAN ADSORPSI ZAT PENGATUR TUMBUH NAPHTHALENE ACETIC ACID (NAA) TERHADAP BENTONIT ALAM Nura Lailatussoimah; Pedy Artsanti; Irwan Nugraha
Kaunia: Integration and Interconnection Islam and Science Vol. 10 No. 2 (2014)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1071

Abstract

The study of adsorption of plant growth regulators naphthalene acetic acid (NAA) by using natural bentonite aims to investigate the purification process of bentonite, determine the parameters that affect the ability of optimum adsorption and adsorption interactions of bentonite to NAA. Bentonite purification process is done by adding  30%  H2O2   to  oxidize  organic  compounds  in  the  pores  of  the  bentonite. Adsorption parameters in this study include the influence of the mass of adsorbent, contact time and adsorption capacity of bentonite nature of the NAA. Characteristics conducted in this study include analysis using UV-Vis spectrophotometer, infrared spectrophotometry (FTIR) and X-ray Diffraction (XRD). Bentonite adsorption capacity was determined using the model of Langmuir isotherm and Freundlich isotherm models. This study was showed that the amount of NAA more adsorpted by increase the mass of adsorbent in the adsorption process. The optimum contact time between NAA with natural bentonite is 4 hours on the condition of the masses as much as 0.5 grams of bentonite, pH 4.5 and in room temperature (± 29oC) with adsorption capacity of 1.502 × 10-6 mol/g. The optimum adsorption capacity of bentonite to the NAA at 1.712 × 10-6 mol/g. NAA adsorption isotherms with natural bentonite included in the Freundlich adsorption isotherm which assumes the Van der Waals bonds so that the interaction between  NAA  with  bentonite  was  physically  and  heterogeneous  on  the  multilayer surface.
EFEKTIVITAS MODEL PEMBELAJARAN INKUIRI TIPE PICTORIAL RIDDLE DENGAN KONTEN INTEGRASI- INTERKONEKSI PADA MATERI SUHU DAN KALOR TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA SMA Joko Purwanto; Binti Uswatun Hasanah
Kaunia: Integration and Interconnection Islam and Science Vol. 10 No. 2 (2014)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1072

Abstract

This research intents on knowing: (1) the effectivity of inquiry learning model pictorial riddle type with integration-interconnection content toward critical thinking skill of students on heat and temperature material. (2) the increasing of critical thinking skill of the students who join the lesson using inquiry model pictorial riddle type with integration-interconnection content on heat and temperature material. The research used a quasi experimental with pretest-posttest control group design. The population were the tenth grade students of SMA N 1 Piyungan years 2013/2014. The subject of the study are class XC and XD which chosed by purposive sampling technique. Instrument to examine critical thinking skill of the student was essay questions. Data was collected by test and analyzed using descriptive statistics and normalized gain (N-gain). The results  showed  that:  (1)  there  is  possitive  effect  between  inquiry  learning  model pictorial riddle type with integration-interconnection content toward critical thinking skill of students on heat and temperature material. (2) the increasing of critical thinking skill of the students who join the lesson with inquiry learning model pictorial riddle type with integration-interconnection content on heat and temperature material is hingher than control class with average posttest score 60,65 and  N-Gain 0,316.
PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE MAKE A MATCH TERHADAP NILAI KERJASAMA DAN HASIL BELAJAR KOGNITIF KIMIA SISWA KELAS X SMAN 1 BAMBANGLIPURO BANTUL Gita Rahmawati; Jamil Suprihatiningrum
Kaunia: Integration and Interconnection Islam and Science Vol. 10 No. 2 (2014)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1073

Abstract

Cooperation value and students’ cognitive learning outcomes were examined as the effect of the implementation of cooperative learning – make a match. The Nonequivalent Control Pre-test dan Post-test Group Design as this quasi-experimental research was involved 1st grade students of SMAN 1 Bambanglipuro at academic year 2013/2014. Students at X4 as an experimental sampel and X3 as a control sampel were choosen by cluster random sampling technique. The data was collected using pre-test and post-test for hydrocarbon subject matter, cooperation scale, and observation scale, was then analyzed by t-test. The result shows there was no significant effect of cooperative learning – make a match toward to students’ cooperation value and cognitive learning outcomes, were proven by sig. (2-tailed) of t-test > 0.05 at 0.282 and sig. (2-tailed) of MannWhitney test > 0.05 at 0.953 respectively.
BEST-PRACTICES PENDEKATAN SAINTIFIK PADA PEMBELAJARAN KIMIA DI SMA NEGERI 4 SAMPIT Cita Indira
Kaunia: Integration and Interconnection Islam and Science Vol. 10 No. 2 (2014)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1074

Abstract

This research is aimed to improve students’ activity through the implementation of scientific approach for chemistry courses at SMA N 4 Sampit. Observing, questioning, experimenting, analysing, and communicating as the component of scientific approach were used in chemistry class for students at science program grade XI and XII. To make meaningful learning, methods and medias that had been applying were chil book, concept map, memorization, experiment, field study, science aid, chart, cross word puzzle, science playing card, memory matric, peer learning, science tournament, poetry, and songs. This research shows  scientific approach  is  able to improve student’s activity, proven by the improving score of learning success indicator at 40% to 85,9%. More specifically, the counting material such as stoichiometry and rate reaction can be applied to the method: chil book, and concept maps. Content that is a theory can be applied to the method: memorization, charta, cross word puzzle, science playing cards, memory matrix, science tournament, lifelong learning, poetry, and songs. The material can be applied to the experimental method: lab. work, field study, and science aid.
PENERAPAN METODE SWEEP PADA MASALAH PERMAINAN DINAMIS LINEAR KUADRATIK SISTEM DESKRIPTOR Muhammad Wakhid Musthofa
Kaunia: Integration and Interconnection Islam and Science Vol. 10 No. 2 (2014)
Publisher : Fakultas Sains dan Teknologi UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/kaunia.1075

Abstract

This paper describes the applications of sweep method in constructing a Riccati differential equation arising in the linear quadratic differential game for descriptor systems. This equation is needed in order to find the saddle-point equilibria that be a solution for the game. To find the saddle-point equilibria the game is transformed into a reduced nonsingular game. Within a transformed game the method is applied to construct the desired Riccati equation.

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