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All Journal Jurnal Kreatif Tadulako Online Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Akademika Kimia Mattawang: Jurnal Pengabdian Masyarakat Media Eksakta Proceeding of Mulawarman Pharmaceuticals Conferences Edu Research : Jurnal Penelitian Pendidikan Aurelia: Jurnal Penelitian dan Pengabdian Masyarakat Indonesia J-CEKI
Sri Mulyani Sabang
Universitas Tadulako Palu - Indonesia 94118
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Education Health Professions Immunology & microbiology Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Other

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PERBANDINGAN PENERAPAN METODE PEMBELAJARAN ROLE PLAYING DENGAN PEMBELAJARAN KONVENSIONAL TERHADAP HASIL BELAJAR KIMIA SISWA SMA NEGERI 1 LORE UTARA Masrita, Masrita; Gonggo, Siang Tandi; Sabang, Sri Mulyani
Jurnal Akademika Kimia Vol 2, No 1 (2013)
Publisher : Universitas Tadulako

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Abstract

Research dealing with role-play Learning and conventional learning methods, have been conducted. The main reason for this research was that chemical bond was one of the difficult but fundamental materials to be mastered by the students at grade X. The purpose of this research was to investigate the students’ achievement on the topic of chemical bond at SMA Negeri 1 North Lore. One way of increasing their achievement was by using role-play method. In order to make their learning understandable, not boring, and easy to grasp, the researcher applied an interesting method called role-play. The population of this research was the tenth grade students of SMA Negeri 1 North Lore in the academic year 2012/2013. The sample was 32 students of grade XA as the experimental group (role-play) and 32 students of grade XC as the control group (conventional learning). The data were collected through the test on chemical bond. Based on the analysis, it is found that the average score of the experimental group was 20.65 with deviation standard of 2.413 and of the control group was 15.06 with deviation standard of 2.975. The hypothesis testing was that the t-counted value was 12.75 and the t-table value was 1.67 with the significant value (α) of 0.05. The results showed that there was a significant difference in the students’ achievement dealing with the topic of chemical bond through the application of role-play learning method and conventional learning method at grade X at SMA Negeri 1 North Lore in the Academic Year 2012/2013.
Analisis Kadar Flavonoid dan Fenolat pada Kulit Buah Manggis (Garcininia mangostanaL.) Rezki, Atika Putri; Gonggo, Siang Tandi; Sabang, Sri Mulyani
Jurnal Akademika Kimia Vol 6, No 4 (2017)
Publisher : Universitas Tadulako

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Abstract

This study aimed to determine flavonoid and phenolic levels from the mangosteen bark samples. The preparation process of the sample was performed by extraction through maceration technique using HCl 1% in ethanol and for the phenolic using ethanol. Levels of both analit were determined using a UV-Vis spectrophotometer at the wavelength of 510 nm and 700 nm for the flavonoid, and 765 nm for the phenol. The results showed that flavonoids and phenol levels in the mangosteen bark samples were 1.271 mg/g and 12.373 mg/g.
Penerapan Model Pembelajaran Problem Based Learning (PBL) terhadap Hasil Belajar Siswa SMAN 7 Palu Kelas XI pada Materi Larutan Penyangga Beddu, Amsar T.; Sabang, Sri Mulyani; Ningsih, Purnama
Jurnal Akademika Kimia Vol 7, No 1 (2018)
Publisher : Universitas Tadulako

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Abstract

This research aims to investigate the result of a study in applying the model of problem-based learning (PBL) the students of SMAN 7 Palu on the topic buffer. This method use quasy experiment with pretest-posttest control group design. The population is a class XI students of SMAN 7 Palu, where the sample is a 23 students in class XI IPA 3 as the experimental group and 23 students in class XI IPA 4 as the control group, which is determined by purposive sampling. The result of student learning to the average value of the experimental class is bigger than for class control experiment was 82.61 and for the control, class is 8.65. Test normality using the Kolmogorov-Smirnov test values obtained for the experimental class Sig 0.20 > 0.05 and class control 0.20 > 0.05, it means that both at data are normally distributed. Homogeneity test using the test statistics Lavene which gained value of Fhitung 0.37 > 0.54 Ftabel for experimental classes.200 Sig > 0.05 and for grade control 0.20 > 0.05, it means that both of normally distributed data, there is similarities variant between a group or the means homogeneous. Testing hypothesis use t-test two parties where the significance value of 0.06, it means at the value of Sig > 0.05, that Ho rejected and Ha accepted. Based on the statistical test, PBL learning model on material buffer has a positive influence on results for students at SMAN 7 Palu
Sintesis Bioetanol Dari Jerami Padi (Oryza sativa L) Melalui Fermentasi Said, Muhammad; Diah, Anang Wahid M.; Sabang, Sri Mulyani
Jurnal Akademika Kimia Vol 3, No 4 (2014)
Publisher : Universitas Tadulako

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Abstract

Rice straw is an agricultural waste into organic waste further. Rice straw can be utilized as an alternative energy that is bioethanol. The objective of this research was to determine the optimal concentration of ethanol by the duration of fermentation. This research applied fermentation to rice straw using yeast bread in various times of 7, 10, 13, 16, 19, and 22 days. The steps of this research were sample preparation, delignification, hydrolysis, and fermentation. Bioethanol from fermented rice straw was analysed using alcoholmeter. The products of fermented ethanol increased and reached the optimum at day 13, which was 4.83+0.05%, then decrease the ethanol content at day 16, 19, and 22.
Efek Ekstrak Buah Kelor (Moringa oleifera) Terhadap Penurunan Kadar Gula Darah Mencit (Mus musculus) Pitriya, Ida Ayu; Rahman, Nurdin; Sabang, Sri Mulyani
Jurnal Akademika Kimia Vol 6, No 1 (2017)
Publisher : Universitas Tadulako

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Abstract

The plant could be potential as a traditional medicine, relatively safe, and inexpensive, that is of Moringa (moringa oleifera) fruit, which contains compounds those can lower blood sugar levels. The purpose of this study was to investigate the effect of Moringa fruit extracts on decreasing blood sugar levels of mice and to determine the most effective concentration of the extract. The separation method used was maceration. The animals test used were 15 male mice induced by EDTA. Mice were divided into 5 groups with different treatments. The first, the second, and the third treatments were given moringa extracts each with a concentration of 10, 20, and 40%. The fourth treatment was given glibenclamide suspension as a positive control, and the fifth treatment was given Na-CMC as a negative control. Data were analyzed using a statistical analysis of variance (ANOVA) test followed by Duncan test. The results showed that Moringa fruit extract lowered blood sugar levels of mice. The means decrease of blood sugar levels for each treatments were 49.67 mg/dL for the first, 58.33 mg/dL for the second, 70.33 mg/dL for the third, 66.67 mg/dL for the fourth, and 10.00 mg/dL for the fifth, . This study concluded that the Moringa fruit extract decreased blood sugar levels of mice with the most effective concentration of 10% and α = 0.05.
Ekstrak Daun Asam Jawa (Tamarindus Indica L.) Sebagai Antidiabetes Lahamado, Olfiana T.; Sabang, Sri Mulyani; Mustapa, Kasmudin
Jurnal Akademika Kimia Vol 6, No 1 (2017)
Publisher : Universitas Tadulako

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Abstract

One of the plant that is widely used as a medicinal plant is the leaves of tamarind (tamarindus indica L). This study aims to determine the effectiveness of anti-diabetic of tamarind (tamarindus indica L.) extract in lowering blood glucose levels in mice animals test. The experiment was performed using tamarind leaves extracted through infusion method. The animals test were 15 male mice induced by ethylene diamine tetra acetate (EDTA). Mice were divided randomly into 5 groups with different treatments. Treatments I, II and III were given tamarind leaves extracts for each with a concentration of 10%, 20% and 40%. Treatment IV was given glibenclamide suspense as a positive control (+), and the treatment V was given Na-CMC 1% as a negative control (-). Based on the analysis of variance statistical calculations tamarind leaves extracts can lower blood glucose levels on mice test. Furthermore, the significant difference was tested to check the concentration effect. The results on animals test with a significant level of 5% showed that the tamarind leaves extract of 40% or Treatment III affected on decreasing blood sugar levels on mice.
Uji Aktivitas Antioksidan Ekstrak Daun Patikan Kebo (Euphorbia hirta L.) Karim, Karina; Jura, Minarni Rama; Sabang, Sri Mulyani
Jurnal Akademika Kimia Vol 4, No 2 (2015)
Publisher : Universitas Tadulako

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Abstract

Patikan kebo (euphorbia hirta L.) is a plant commonly found in the tropical regions. The objectiveof this research was to determine the antioxidant activity of Patikan kebo leaves extract and tocategorize the strength of the extract in blocking free radicals. This research was conducted by laboratoryexperiment using maceration extraction techniques. Antioxidant activity of the extract was tested using1,1-diphenyl-2-pikrilhidrazil (DPPH). Variation concentrations of the used of Patikan kebo leavesextract and vitamin c as a positive control used for analysis were of 20 ppm, 40 ppm, 60 ppm, and 80ppm. Analysis of the sample was conducted using spectronic UV-Vis. The result showed that Patikankebo leaves extract was a very strong antioxidant. It was proved by the number of IC50 less then 50. Thecalculation of IC50 of patikan kebo leaves extract was 11.50 mg/L.
Analisis Perbedaan Kadar Vitamin C Buah Naga Merah (Hylocereus polyrhizus) Dan Buah Naga Putih (Hylocereus undatus) Yang Tumbuh Di Desa Kolono Kabupaten Morowali Provinsi Sulawesi Tengah Risnayanti, Risnayanti; Sabang, Sri Mulyani; Ratman, Ratman
Jurnal Akademika Kimia Vol 4, No 2 (2015)
Publisher : Universitas Tadulako

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Abstract

This study aims to determine the differences of vitamin C levels contained in the red dragon andwhite dragon fruits. The flesh and the skin of the dragon fruits were used as the samples and the fruitswere taken from Kolono Village, Morowali. Analysis of vitamin C levels in the samples was done byiodine titration method using starch solution as an indicator. The results showed that vitamin C levelsin the skin of red dragon fruit was 4.04 mg/100 g, while in the flesh was 5.28 mg/100 g. Levels ofvitamin C in the skin of white dragon fruit was 7.56 mg/100 g, while in the flesh was 7.92 mg/100g. The data indicate that vitamin C levels in the flesh and the skin of white dragon were higher thanvitamin C levels in the flesh and the skin of red dragon fruit. It can be seen that both of fruits havedifferent vitamin C levels.
Pengaruh Ekstrak Seledri (Apium graveolens L.) Terhadap Kelarutan Kalsium Dalam Batu Ginjal Dewi, Evie Kurnia Maya; Walanda, Daud K.; Sabang, Sri Mulyani
Jurnal Akademika Kimia Vol 5, No 3 (2016)
Publisher : Universitas Tadulako

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Abstract

Celery (apium graveolens L.) contains chemicals that can be used as traditional medicine for various treatments. The research objective is to determine the effect of celery (apium graveolens L.) extractsin dissolving calcium kidney stones and calcium to determine the relationship between the concentration of extract of celery (apium graveolens L.) with the solubility of calcium in the kidney stones. Determination of the solubility of calcium in an extract of celery is by flame fotometer. The concentration of the extract was varried into 1, 5, 10, 15 and 20%. It showed that a concentration of 1% can dissolve the calcium as much as 15.104%; concentration of 5% can dissolve the calcium as much as 18.708%; concentration of 10% can dissolve the calcium as much as 23.683%; concentration of 15% can dissolve the calcium as much as 28.869%; and to a concentration of 20% can dissolve the calcium as much as 35.048%. It can be concluded that celeries extract can dissolve calcium of kidney stones.
Penerapan Model Pembelajaran Kolaboratif dengan Teknik Learning Cell pada Materi Kelarutan dan Hasil Kali Kelarutan Pada Siswa Kelas XI SMA Negeri 6 Palu Panontji, Putri Ningsi A.; Sabang, Sri Mulyani; Mustapa, Kasmudin
Jurnal Akademika Kimia Vol 7, No 2 (2018)
Publisher : Universitas Tadulako

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Abstract

This study was conducted to determine the difference on students learning outcomes in the classroom implemented with collaborative learning model using cell learning technique on the topic of solubility and solubility product in the class XI at SMAN 6 Palu. This study was a quasi-experiment research with pretest-posttest control group design. Population in this study were students of class XI IPA at SMAN 6 Palu enrolled in the academic year of 2015-2016 amounting to 43 student. Sampling technique was a sampling saturated. Samples in this study were 21 students in the class XI IPA2 as the experimental class, and 22 students in the class XI IPA1 as the control class. The results showed that the output rank for the mean value of the experimental class was bigger than the control class, 30.29> 14.09. The output statistic test showed sig. 2-tailed 0.00 < 0.05, and Zcount (-4.25) < Ztable (-1.64). These mean that H0 was rejected and Ha was received. Therefore, it can be concluded that there is significant difference in learning outcomes between the class which implement collaborative learning model with learning cell technique, and the classes which implement traditional learning model on the topic of solubility and solubility product in the Class XI at SMAN 6 Palu.
Co-Authors Abidin, Sulvitriani Afadil Agustin Tiwow Amiruddin Kade Amran Rede Anang Wahid M.Diah Annisaa Kusumaningrum Arwansyah Arwansyah Asnaredin Manitu Beddu, Amsar T. Daud Karel Walanda Deitasmalina Musa Denadha Nataliya Gente Dewi Satria Ahmar Dewi, Evie Kurnia Maya Durufin, Ekanovi Pratiwi A. Feiverin Tibe Hayun Ahmadong Hikmah Hasan Basri Holyness Nurdin Singadimedja I Made Tangkas Ijirana Irwan Irwan Joni Tandi, Joni Karim, Karina Kasmudin Mustapa Lahamado, Olfiana T. M Mukhlis Sudrajad M. Yusi Prilina Bertus Marwah Marwah Masrita, Masrita Mery Napitupulu Miluwati Zainuddin Minarni Rama Jura Minarni Rama Jura Misnah Misnah Muhammad Agus Muljanto MUHAMMAD SAID Muthmainna, Muthmainna Niluh Puspita Dewi Nurdin Rahman Nurfadila, Safna Nurfaiza Nurjannah, Ida Nurmin Nurmin Panontji, Putri Ningsi A. Pitriya, Ida Ayu Purnama Ningsih Raguwan, Raguwan Rahmadani, Tatik Ramla Allia Ratman Ratman Ratna Kamoyo Rezki, Atika Putri Risnayanti, Risnayanti Rusli, Riana A. Salsabila, Unik Hanifah Siang Tandi Gonggo Siti Nuryanti Sitti Aminah Sitti Rahmawati Suherman Suherman Sumarni, Wiwin Suparmajid, Armin H. Syamsul Arifin Syamsuriwal, Syamsuriwal Tahril Timang, Selfiana Imu Usia, Mirdawati Warsito, Joko WAYAN WAYAN Yulvani Toiba