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All Journal Dentika Dental Journal Insisiva Dental Journal : Majalah Kedokteran Gigi Insisiva Mutiara Medika: Jurnal Kedokteran dan Kesehatan Majalah Obat Tradisional Indonesian Journal of Cancer Dental Journal (Majalah Kedokteran Gigi) Padjadjaran Journal of Dentistry Jurnal Penelitian Pendidikan IPA (JPPIPA) JCRS (Journal of Community Research and Service) International Journal of Multidisciplinary: Applied Business and Education Research Biofaal Journal Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan IRA Jurnal Pengabdian Kepada Masyarakat Jurnal Bisnis Kehutanan dan Lingkungan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Kalwedo Sains (KASA) Waste Handling and Environmental Monitoring JURNAL REKAYASA KIMIA & LINGKUNGAN
Supriatno
Departemen Ilmu Penyakit Mulut Fakultas Kedokteran Gigi Universitas Gadjah Mada
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Other

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Analisis Logam Berat Pb dan Cd dalam Sampel Ikan dan Kerang secara Spektrofotometri Serapan Atom Supriatno, Supriatno; Lelifajri, Lelifajri
Jurnal Rekayasa Kimia & Lingkungan Vol 7, No 1 (2009): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

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Abstract

The analysis of heavy metals Pb and Cd concentrations in fish and oyster have been carried out by atomic absorption spectrophotometer (AAS) method. The wet digestion method was used for preparation sample prior to AAS detection. Sample was collected from three different location rivers at Lamnyong, Pantee Pirak and Lumbago. The result showed that the Pb and Cd concentration in fish and oyster at difference location were obtained not difference significantly. Pb and Cd contents in fish and oyster were found below lethal concentration. The AAS instrument was still valid to use as the instrument which is obtained of accuration of 0.65% and precise of 0,019 ppm still lower than threshold value of 1% and 0.04 ppm.Keywords: atomic absorbance spektrophootometry, fish, kerang, heavy metal
Effect of Bioinsectiside Extract of Gynura procumbens L. Leaves For Control of Cabbage Copper Pests (Crocidolomia binotalis Zell.) Safrida, Safrida; Yuliani, Wirda; Sapurti, Mimie; -, Supriatno; -, Abdullah
Kalwedo Sains (KASA) Vol 1 No 1 (2020): Kalwedo Sains (KASA), Maret 2020
Publisher : Program Studi Di Luar Kampus Utama Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/kasav1i1p1-9

Abstract

Pest control efforts carried out by farmers in Indonesia still often use synthetic insecticides that can cause negative effects on the environment, human health, and increasing pest populations It is expected that the control of Cabbage Head Caterpillars (C. binotalis Zell.) using plant bioinsecticides Gynura procumbens L can minimize negative effects on the environment. The purpose of this study was to determine the effect of G. procumbens L leaf extract on the mortality of Cabbage Head Caterpillar (C. binotalis Zell.) And to know the Lethal Consentration (LC50) of Head Caterpillars (C. binotalis Zell.). The method used is an experimental method with a completely randomized design (CRD) consisting of 6 treatments and 4 replications. Toxicity tests on Cabbage Head caterpillars are performed on a laboratory scale. Data will be analyzed using Analysis of Variants (ANOVA) and then a follow-up test is the smallest significant difference test (LSD) and a probit regression analysis is performed. The addition of G. procumbens L leaf extract significantly affected (p <0.05) on cabbage head caterpillar mortality. The provision of of G. procumbens L leaf extract at a concentration of 5,000 ppm caused the death of caterpillar crop by 100%. The concentration of the extract that caused 50% (LC50) death of Cabbage Head Caterpillars (C. binotalis Zell.) Was 3,000 ppm
Toxicity Test of Red-Shoot Leaves (Syzygium myrtifolium Walp.) Extract as Biolarvicide on Filariasis Vector Mortality Supriatno, Supriatno; Riska, Riska; Rahmatan, Hafnati; Nur, Yaumil Istiqlal M.; Ulhusna, Fitra Asma
Jurnal Penelitian Pendidikan IPA Vol 10 No 4 (2024): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i4.5454

Abstract

The Control of Culex sp. using synthetic larvicides is harmful to the environment and human health. Biolarvicide from red shoot leaves (Syzygium myrtifolium) is a safe alternative for the environment and human health. This study aims to determine the effect of Syzygium myrtifolium leaves extract with ethanol solvent and water solvent on larval mortality and the LC50 values of these extracts. ANOVA test results (α = 0.05) on the mortality of Culex sp. larvae exposed to the ethanol extract and aqueous extract of S. myrtifolium leaves consecutively showed F-calculated (287)>F-tabulated (3,11) and F-calculated (153)>F-tabulated (3, 11). The treatment of S. myrtifolium leaves extract with ethanol and water solvents had a significant effect on the mortality of Culex sp. larvae. The LC50 value of the ethanol extract and the aqueous extract of S. myrtifolium leaves are 1659 ppm and was 2053.7 ppm. It can be concluded that S. myrtifolium leaves extracts with ethanol solvent and water solvent have an effect on the mortality of Culex sp. larvae, but are not yet effective as biolarvicide
English: English Kharisma, Irma; Pada, Andi Ulfa Tenri; Supriatno; Safrida; Huda, Ismul
Jurnal Penelitian Pendidikan IPA Vol 10 No 6 (2024): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i6.6914

Abstract

Research to measure students' Critical Thinking Skills has been widely carried out in Indonesia. However, the development of Critical Thinking Skill measuring tools in Ecology using CBT is still limited. This study is part of research and development to develop a good instrument product for measuring students' Critical Thinking Skills. The question preparation format uses a two tier multiple-choice form. This study aims to prove the content validity of the Critical Thinking Skill instrument in Ecology Subject for Senior High School. Scale using Likert model and multiple-choice model with content validity coefficient based on expert assessments with Aiken’s formula. There are three experts who assess the items' relevancy, construction, and clarity using indicators of both scale formats. The results of the expert assessments are then used to calculate the coefficient of the validity with Aiken formula. The results showed that the content validity coefficient based on expert assessment on Likert format with Aiken formula is at 0.75-1.00 for each, while using the Aiken formula.
Co-Authors Abdullah - Achmad Syawqie Agus Setiawaty Aldhori, Yopan Rahmad Ali Sarong Almeida, Maria Ana Medawati, Ana Andi Ulfa Tenri Pada Arifian, Hanggara Arifuddin, M Atiek Driana Rahmawati, Atiek Bone, Mahfuzun Darianto, Darianto Dibyo Pramono Didik Setyo Heriyanto Djufri - Dyah Irnawati Edi Suanto, Edi Eka Safitri Eriska Riyanti Farah, Harra Ismi Febrina, Lizma Fimma Naritasari Gina Arfianti Putri, Gina Arfianti Hafnati Rahmatan Haniza Harun Achmad, Harun Hendri Susanto Herman Herman Hikmawan, Baso Didik Himmaturojuli Rosyid Ridlo, Himmaturojuli Ibrahim, Arsyik Ilham Maulana Indwiani Astuti Inne Suherna Sasmita Isadora Gracia, Isadora Islamudin Ahmad Ismul Huda Iswandi Iswandi Junaidin, Junaidin Keri Pangesti Yudi Harhari, Keri Pangesti Yudi Kharisma, Irma Laode Rijai Lelifajri Lelifajri Martono, Dwi Nowo Maulinda, Maulinda Maureen Martina, Maureen Mieke Hemiawati Satari N. Nazaruddin Nur, Yaumil Istiqlal M. Rahmadi Rahmadi Rija’i, Hifdzur Rashif RIKI RIKI, RIKI Rinaldi Idroes Riska Riska Roosje Rosita Oewen, Roosje Rosita Rusli, Rolan Rusman, Arman Safrida Safrida Safrida Samsul, Erwin Sapurti, Mimie Sri Budiarti Poerwanto Suhud, Khairi Tino Hermanto Totok Utoro Ulhusna, Fitra Asma Ulva, Susi Mulia Unang Supratman Vincensia Maria Karina Wardiah Wardiah Yosaphat Bayu Rosanto Yuliani, Wirda Zakiyana, Yulida