All Stories

  1. The Impact of the Problem-Based Learning (PBL) model utilising animated video learning media on student learning outcomes

    Article • World Journal of Advanced Research and Reviews, December 2024, GSC Online Press

    Dr Purnama Ningsih

  2. Optimizing Differentiated Learning for Independence and Critical Thinking in Fifth Grade Student

    Article • Ideguru Jurnal Karya Ilmiah Guru, December 2024, Dinas DIKPORA Daerah Istimewa Yogyakarta

    Dr Purnama Ningsih

  3. Comparative Analysis of the Implementation of Technology Trends, Pedagogy Trends and Education Trends of Science and Non-Science Program Students in Sulawesi

    Article • JOIV International Journal on Informatics Visualization, November 2024, Society of Visual Informatics

    Dr Purnama Ningsih, Mr Ansari Saleh Ahmar

  4. Potassium, sodium, and proximate analysis of steamed sponge cake from durian seed flour (Durio Zibethinus)

    Article • World Journal of Advanced Research and Reviews, November 2024, GSC Online Press

    Dr Purnama Ningsih

  5. Quantification of Tannin in Chromolaena Odorat (Kirinyu) Leaf Extract

    Article • International Journal of Design & Nature and Ecodynamics, August 2024, International Information and Engineering Technology Association

    Dr Purnama Ningsih

  6. Determination Of Total Flavonoid Content In Bangle Plant (Zingiber Montanum)Extraction Results

    Article • Jurnal Penelitian Pendidikan IPA, August 2024, Universitas Mataram

    Dr Purnama Ningsih

  7. DETERMINATION OF FLAVONOID CONTENT IN TAPAK DARA ROOT DECOCTION (CATHARANTHUS ROSEUS)

    Article • Proceedings of International Conference on Education, April 2024, Universitas Serambi Mekkah

    Dr Purnama Ningsih

  8. Determination of thick tannine extract levels of Guava leaves (Psidium guajava L.) by using acetone solution, ethanol, and methanol

    Article • January 2024, American Institute of Physics

    Dr Purnama Ningsih

  9. UTILIZATION OF PURPLE SWEET POTATO LEAVES (Ipomoea batatas L.) AS IRON CORROSION INHIBITOR IN HYDROCHLORIC ACID MEDIUM

    Article • RASAYAN Journal of Chemistry, January 2024, Rasayan Journal of Chemistry

    Dr Purnama Ningsih

  10. CHEMICAL AND PHYSICAL ATTRIBUTES OF CHARCOAL BRIQUETTES MADE FROM A MIXTURE OF KETAPANG FRUIT SHELL (Terminalia Catappa L) AND CORN COB (Zea Mays)

    Article • RASAYAN Journal of Chemistry, January 2024, Rasayan Journal of Chemistry

    Dr Purnama Ningsih

  11. Activation of Durian Skin Biomass with H2SO4 Activator on the Absorption of Lead from its Solution

    Article • Jurnal Akademika Kimia, February 2023, Fakultas MIPA Universitas Tadulako Palu

    Dr Purnama Ningsih

  12. Characterization of Donggala’s limestone for hydroxyapatite base material

    Article • January 2023, American Institute of Physics

    Dr Purnama Ningsih

  13. Etnochemistry Study of Medicine Plants for Liver Disease in The Community of Balane Village

    Article • IOP Conference Series Earth and Environmental Science, November 2022, Institute of Physics Publishing

    Dr Purnama Ningsih

  14. Optimum conditions for absorption of copper (Cu) from its solution using durian skin waste biomass (Duriobzibethinus)

    Article • IOP Conference Series Earth and Environmental Science, November 2022, Institute of Physics Publishing

    Dr Purnama Ningsih

  15. Optimum conditions for bioadsorption of lead (Pb) by durian skin waste biomass (duriobzibethinus)

    Article • IOP Conference Series Earth and Environmental Science, November 2022, Institute of Physics Publishing

    Dr Purnama Ningsih

  16. The use of durian seeds (Durio zibethinus Murr) as flour products from Tolitoli and Donggala Regencies

    Article • Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management), September 2022, Institut Pertanian Bogor

    Dr Purnama Ningsih

  17. Molecular modelling on multiepitope-based vaccine against SARS-CoV-2 using immunoinformatics, molecular docking, and molecular dynamics simulation

    Article • SAR and QSAR in Environmental Research, September 2022, Taylor & Francis

    Dr Purnama Ningsih

  18. Phosphorylated nata de banana as polymer electrolyte membrane in fuel cells

    Article • International Journal of Materials Research (formerly Zeitschrift fuer Metallkunde), May 2022, De Gruyter

    Dr Purnama Ningsih

  19. THE ANTIOXIDANT ACTIVITIES OF ACID HYDROLYSIS OF κ-Carrageenan

    Article • RASAYAN Journal of Chemistry, January 2022, Rasayan Journal of Chemistry

    Dr Purnama Ningsih

  20. Making Edible Film from Jackfruit Seed Starch (Artocarpus Heterophyllus) with the Addition of Rosella Flower Extract (Hibiscus Sabdariffa L.) as Antioxidant

    Article • International Journal of Design & Nature and Ecodynamics, December 2021, International Information and Engineering Technology Association

    Dr Purnama Ningsih

  21. Histology of hematoxylin–eosin and immunohistochemical diabetes rat pancreas after giving combination of moringa leaves (Moringa oleifera) and clove flower (Syzygium aromaticum) extracts

    Article • Open Access Macedonian Journal of Medical Sciences, May 2021, Macedonian Journal of Medical Science

    Dr Purnama Ningsih

  22. Description of the composition of gold to silver minerals in the rock containing gold

    Article • Journal of Physics Conference Series, March 2021, Institute of Physics Publishing

    Dr Purnama Ningsih

  23. Student’s learning outcomes through the application of guided inquiry learning model based on scientific approach in fundamental chemical laws

    Article • Journal of Physics Conference Series, March 2021, Institute of Physics Publishing

    Dr Purnama Ningsih

  24. The Utilization of Durian Seeds (Durio Zibethinus Murr) as a Base for Making Edible Film

    Article • International Journal of Design & Nature and Ecodynamics, February 2021, International Information and Engineering Technology Association

    Dr Purnama Ningsih

  25. Analysis of calcium levels in beef bones from kaledo waste

    Article • Journal of Physics Conference Series, January 2021, Institute of Physics Publishing

    Dr Purnama Ningsih

  26. Ethnoscience knowledge of indigenous community in Sigi District-Central Sulawesi

    Article • Journal of Physics Conference Series, March 2020, Institute of Physics Publishing

    Dr Purnama Ningsih

  27. PHOSPHORYLATED NATA DE PINA AS POLYMER ELECTROLYTE MEMBRANE IN FUEL CELLS

    Article • RASAYAN Journal of Chemistry, January 2020, Rasayan Journal of Chemistry

    Dr Purnama Ningsih

  28. The effects of durian skin ash concentration in methanolysis reaction of palm oil on fatty acid methyl esters concentration

    Article • Journal of Physics Conference Series, January 2020, Institute of Physics Publishing

    Dr Purnama Ningsih

  29. The preliminary study of waste ash of Mpanau steam power plant (Mpanau PLTU)

    Article • Journal of Physics Conference Series, June 2019, Institute of Physics Publishing

    Dr Purnama Ningsih

  30. Analisis Kadar Tanin dalam Ekstrak Daun Mimba (Azadirachta indica a. Juss) dengan Pelarut Air dan Etanol

    Article • Jurnal Akademika Kimia, December 2018, Universitas Tadulako

    Dr Purnama Ningsih

  31. Analisis Bioetanol dari Limbah Kulit Buah Sukun (Artocarpus altilis) dengan Cara Hidrolisis dan Fermentasi

    Article • Jurnal Akademika Kimia, June 2018, Universitas Tadulako

    Dr Purnama Ningsih

  32. Penerapan Model Pembelajaran Problem Based Learning (PBL) terhadap Hasil Belajar Siswa SMAN 7 Palu Kelas XI pada Materi Larutan Penyangga

    Article • Jurnal Akademika Kimia, June 2018, Universitas Tadulako

    Dr Purnama Ningsih

  33. Pengaruh Model Pembelajaran Advance Organizer Terhadap Hasil Belajar Siswa SMA Negeri 3 Sigi pada Materi Larutan Elektrolit dan Non Elektrolit

    Article • Jurnal Akademika Kimia, June 2018, Universitas Tadulako

    Dr Purnama Ningsih

  34. Penentuan Perbandingan Volume Fasa Membran dan Volume Fasa Internal serta Lama Waktu Ekstraksi pada Proses Ekstraksi Ion Merkuri Menggunakan Teknik Emulsi Membran Cair

    Article • Jurnal Akademika Kimia, January 2018, Universitas Tadulako

    Dr Purnama Ningsih

  35. Pengaruh Konsentrasi Surfaktan dan Perbandingan Volume Emulsi dengan Volume Fasa Eksternal Pada Ekstraksi Ion Merkuri Menggunakan Teknik Emulsi Membran Cair

    Article • Jurnal Akademika Kimia, January 2018, Universitas Tadulako

    Dr Purnama Ningsih

  36. Application of Guided Inquiry Learning Model with Mind Map toward Students' Learning Outcomes in Chemistry Material: Reaction Rate

    Article • January 2018, Atlantis Press

    Dr Purnama Ningsih

  37. Analisis Senyawa Metabolit Primer Pada Jamur Merang (Volvariela volvaceae) Di Daerah Perkebunan Kelapa Sawit Lalundu

    Article • Jurnal Akademika Kimia, December 2017, Universitas Tadulako

    Dr Purnama Ningsih

  38. Efek Ekstrak Buah Srikaya (Annona Squamosa L.) Terhadap Penurunan Tekanan Darah Pada Mencit (Mus musculus)

    Article • Jurnal Akademika Kimia, December 2017, Universitas Tadulako

    Dr Purnama Ningsih

  39. Pemanfaatan Arang Aktif Biji Kapuk (Ceiba Pentandra L.) sebagai Adsorben Logam Timbal (Pb)

    Article • Jurnal Akademika Kimia, March 2017, Universitas Tadulako

    Dr Purnama Ningsih

  40. Serbuk Dari Limbah Cangkang Telur Ayam Ras Sebagai Adsorben Terhadap Logam Timbal (Pb)

    Article • Jurnal Akademika Kimia, March 2017, Universitas Tadulako

    Dr Purnama Ningsih

  41. Adsorpsi Logam Timbal (Pb) dari Larutannya dengan Menggunakan Adsorben dari Tongkol Jagung

    Article • Jurnal Akademika Kimia, March 2017, Universitas Tadulako

    Dr Purnama Ningsih

  42. Analisis Miskonsepsi Siswa Kelas XI SMA Negeri 1 Banawa Tengah Pada Pembelajaran Larutan Penyangga Dengan CRI (Certainty of Response Index)

    Article • Jurnal Akademika Kimia, March 2017, Universitas Tadulako

    Dr Purnama Ningsih

  43. Application of Electrochemical Quartz Crystal Microbalance of Manganese Modified Polypyrrole Thin Films for Electrochemical Capacitor

    Article • Key Engineering Materials, March 2017, Trans Tech Publications

    Dr Purnama Ningsih

  44. The Initial Study of Polyaniline with Manganese Oxides for Electrochemical Capacitors

    Article • Procedia Chemistry, January 2015, Elsevier

    Dr Purnama Ningsih

  45. Mn-modified polypyrrole thin films for supercapacitor electrodes

    Article • Synthetic Metals, October 2014, Elsevier

    Dr Purnama Ningsih