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An assistance in optimizing the liquid organic fertilizer to increase sustainable agricultural yields in Jorong Arikia, Nagari Dalko Kabupaten Agam, West Sumatra Z, Martias; Muttaqiin, Arief; Suryani, Okta; Amelia, Kiki
Pelita Eksakta Vol 8 No 2 (2025): Pelita Eksakta, Vol. 8, No. 2
Publisher : Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/pelitaeksakta/vol8-iss2/274

Abstract

Organic fertilizers have been popular lately because they are believed to increase agricultural yields and are environmentally friendly. With the increasing popularity of fertilizer use, farmers have innovated to make their organic fertilizers using materials available in their surroundings. The problem experienced by farmers is regarding the testing of the fertilizer produced. This community service activity aims to assist farmers in testing fertilizers in the laboratory and provide insight into testing the effectiveness of fertilizers in Jorong Arikia, Nagari Dalko, Agam Regency, aided by 39 students from Padang State University. Assistance is carried out through discussions related to fertilizers, then continued with preparing for testing and assisting in testing fertilizers. The results of this community service activity are increasing farmers' insight in testing organic fertilizers so that the fertilizers produced can optimize harvest results, be certified, and be produced on a large scale to encourage economic growth in the region. In addition, this PkM activity also aims to provide a forum for UNP students who are carrying out community service program activities to be able to practice the knowledge they have gained on campus in the field. Thus, this PkM program is directly integrated with campus activities and is expected to develop further in the future so as to provide a greater contribution to society.
Improving the Skills of Posyandu Cadres in Processing Nipah Fruit into Nutrient-Rich Functional Foods to Prevent Stunting in Katapiang Village, Batang Anai District, Padang Pariaman Regency Iryani, Iryani; Iswendi, Iswendi; Kurniawati, Desy; Amelia, Fitri; Suryani, Okta; Parbuntari, Hesty; MAIDA, MARGARITA CLAUDYA; Rivaldo, Ifan
Pelita Eksakta Vol 8 No 2 (2025): Pelita Eksakta, Vol. 8, No. 2
Publisher : Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/pelitaeksakta/vol8-iss2/302

Abstract

Stunting remains a major public health issue in Indonesia, including in Padang Pariaman Regency, where the prevalence reached 28.3% in 2021 and declined to 19.4% in 2023. Efforts to prevent stunting require a community-based approach that utilizes local resources, one of which is the nipa palm fruit (Nypa fruticans), known for its high nutritional content and potential as functional food. This Community Service Program (PKM) aimed to enhance the knowledge and skills of Posyandu cadres in Nagari Katapiang in processing nipa fruit into nutritious and economically valuable food products. The methods included nutrition education, dissemination of information on nipa fruit potential, and training on appropriate technology for processing nipa into food products such as jam, nuggets, and meatballs. Evaluation was carried out through pre- and post-activity questionnaires. The results showed a significant increase in cadres’ knowledge of nipa’s nutritional content (from 20% to 100%) and health benefits (from 30% to 100%). Perceptions of nipa’s role in stunting prevention also increased from 25% to 95%. Furthermore, practical skills in producing nipa jam improved, where all participants who had never tried before were able to produce processed products after the training. Thus, this PKM activity successfully enhanced the knowledge and practical skills of Posyandu cadres, while demonstrating the potential of nipa fruit as a local food innovation supporting stunting prevention efforts.
Pengembangan Bahan Ajar untuk Menunjang Pembelajaran Kurikulum Merdeka pada Materi Laju Reaksi Fase F SMA/MA Hamsil, Fatia; Mawardi, Mawardi; Suryani, Okta
Jurnal Simki Pedagogia Vol 7 No 2 (2024): Volume 7 Nomor 2 Tahun 2024
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jsp.v7i2.801

Abstract

This aim of this research is to achieve the following about development teaching resources equipped with chemical multiple representations on reaction rate material that support independent curiculum learning in building students’ mental models phase F SMA/MA. Educational research design or (EDR) is a type of research used with Plomp’s development method, which is a systematic method for designing and evaluating educational programs. Three lecturers in chemistry, two teachers who teach chemistry and nine students became the subject of this study. Data were gathered by two questionnaire, one for validation and other for practicality. The resulting data demonstrated that exhibited the average the construct validity (0.94) with category thas is valid. Moreover, the practicality test exhibited a 97% teacher practicality rate and an average student practically rate of 93% revealed with very practical. So, the concluding remarks of this study that the teaching materials developed on reaction rate material to support independent curriculum learning equipped with chemical multirepresentation are both valid and highly practical.
Development of Problem-Based Learning E-Worksheet to Improve Student Learning Outcomes in Acid-Base Material for Grade XI Senior High School Students Phase F Herianto; Okta Suryani
Jurnal Penelitian Pendidikan IPA Vol 11 No 7 (2025): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i7.11929

Abstract

This study aimed to develop a Problem-Based Learning Electronic Student Worksheet to improve learning outcomes in acid-base material for Grade XI students. The research employed a developmental design using the Plomp model, encompassing preliminary investigation, design and prototype development, and assessment phases. Data collection involved expert validation, teacher and student evaluations, and pre-test/post-test assessments with Grade XI students from a public senior high school selected through purposive sampling. The results demonstrated high validity with Aiken's V values of 0.86 for content validity, 0.83 for media validity, and 0.86 for learning validity. Practicality assessment revealed high acceptance with teacher ratings of 4.38 on a five-point scale and 90.46% student acceptance rate. Effectiveness testing showed significant improvement in learning outcomes, with mean scores increasing from 71.61 to 89.44. Statistical analysis using paired sample t-test indicated significant differences with Cohen's d effect size of 2.26, demonstrating substantial educational impact. The study concluded that the Problem-Based Learning Electronic Student Worksheet is valid, practical, and effective for enhancing student learning outcomes in acid-base chemistry, providing a valuable digital learning resource for twenty-first century chemistry education
Flipped Classroom with Guided Inquiry on Buffer Solutions via Discord: A Study of Learning System Development Aprilia Silviani Harahap; Mawardi Mawardi; Okta Suryani; Umar Kalmar Nizar; Reza Akmar
Jurnal Penelitian Pendidikan IPA Vol 11 No 8 (2025): August
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i8.12350

Abstract

This research aims to design a flipped classroom learning system incorporating guided inquiry, using the Discord platform for buffer solution materials in Phase F. The study employed Plomp Educational Design Research framework, which comprises initial investigation, design, construction, testing, evaluation, and refinement. The product underwent validation through expert evaluation and was assessed for practicality and effectiveness. The content validity achieved a score of 0.89, while the media validity scored 0.90, meaning both belong to the valid category. Evaluation of practicality showed that the system was highly practical, with teachers and students giving it an overall score of 90% and 92% respectively. Effectiveness was measured by analyzing pretest and posttest results using the N-Gain formula, yielding a score of 0.75, which is classified as high gain. The overall findings suggest that the developed learning system is valid, practical, and effective in enhancing students’ understanding of buffer solutions. Moreover, the integration of Discord provides an accessible and interactive digital environment, aligning with the needs of 21st-century education and the Merdeka Curriculum. Therefore, this model can be recommended as an innovative solution for digital chemistry instruction in senior high schools.
The Effect of Science and Technology-Based LKPD on Material and Its Changes on Student Motivation and Learning Outcomes Siti Nur Wahyuningsih; Okta Suryani; Desy Kurniawati; Riga
Jurnal Penelitian Pendidikan IPA Vol 12 No 3 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i3.14324

Abstract

This study aimed to develop Science, Technology, and Society (STS)-based student worksheets (LKPD) on the topic of substances and their changes and to examine their effectiveness in improving the motivation and learning outcomes of tenth-grade students at SMKN 1 Timpeh. This development research employed the Plomp Model, which consists of Preliminary Research, Prototyping Phase, and Assessment Phase. The participants were 32 tenth-grade students, comprising 21 students in the experimental class and 11 students in the control class. The instruments included validation sheets, practicality questionnaires, a learning motivation questionnaire, and a learning outcomes test. The data were analyzed using descriptive and inferential statistics. The results indicated that the worksheets were valid, with Aiken’s V scores of 0.86 for content, 0.90 for presentation, 0.88 for language, and 0.88 for contextual aspects, with an average of 0.88. The worksheets were also very practical, with teacher and student practicality scores of 93%. In the Assessment Phase, the experimental class showed significantly higher motivation and learning outcomes than the control class (p = 0.012). Therefore, the developed worksheets are valid, practical, and effective for chemistry learning.
Pendekatan Pedagogis Inovatif pada Tabel Periodik untuk Mahasiswa Kimia Semester Pertama di Universitas Negeri Padang. Irfan Ananda Ismail; Mawardi Mawardi; Okta Suryani; Munadia Insani; Mulyanti Mulyanti
Jurnal Penelitian Pendidikan IPA Vol 9 No 12 (2023): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i12.5623

Abstract

This study developed innovative approaches to chemistry education for first-year students at the State University of Padang in the era of Industry 4.0. The research utilized the Plomp development model to formulate a method based on the Flipped Classroom paradigm with a Guided Inquiry Syntax. The resulting content was validated by five Chemistry lecturers at UNP, indicating its innovative and pertinent material depth. The content's practicality achieved a value of 90%, suggesting its ease of application and relevance for students. The systematic presentation enhances students' understanding of the Periodic System. This research offers valid and practical solutions to challenges in chemistry education, using creative content as an innovative strategy to provide a teaching tool that enhances students' understanding of complex concepts. The study's practicality stage demonstrates that the developed content is easy to apply and relevant for students, making it a valuable addition to chemistry education
Development of the Acid-Base Module Based on Problem Based Learning with Ethnochemisty to Improve Students Science Literacy Ability Puji Pebrianti; Andromeda; Yerimadesi; Hardeli; Okta Suryani
Jurnal Penelitian Pendidikan IPA Vol 10 No 8 (2024): August
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i8.8582

Abstract

This study aims to produce an acid-base module based on ethnochemical problem-based learning to improve students' scientific literacy skills, analyze the validity and practicality of the module and analyze the effectiveness of the acid-base module based on ethnochemical problem-based learning to improve students' scientific literacy skills. The type of research used is Research and Development (R&D) with a 4-D development model. The 4-D development model consists of 4 stages of development, namely define, design, develop and disseminate. The research instruments used are interview sheets, questionnaires, validation instruments, practicality instruments and effectiveness instruments. The validity test uses the Aiken's V formula. The results of the construct and content validity tests were 0.88 and 0.89 with a valid category. The results of the module practicality test carried out by teachers and students were 91.25% and 90.65% with a very practical category. The effectiveness test of the module was carried out using the N-Gain test and obtained a result of 0.71 in the high category. The results of the study indicate that a valid, practical and effective acid-base module based on ethnochemical problem-based learning has been obtained in improving students' scientific literacy skills.
Development of E-LKM on Colloid Materials Based on Science Technology and Society to Improve Creative Thinking Skills Melinda Sari; Okta Suryani; Mawardi
Jurnal Penelitian Pendidikan IPA Vol 11 No 2 (2025): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i2.8887

Abstract

This study aims to develop E-LKM based on Science Technology Society (STS) on colloid material and analyze its validity and practicality in improving students' creative thinking skills. The method used in this research is Research and Development (R&D) with the 4D model, but this research is limited only to the development stage, namely validity and practicality tests. The define stage was carried out by analyzing student needs, curriculum, and relevant colloid concepts. At the design stage, the E-LKM was designed by integrating the STS model. The develop stage includes validation by a team of five experts and practicality testing by two lecturers and Chemistry Education students. The research instruments consisted of interviews, questionnaires, validation sheets, and practicality instruments. The results of the validity test using Aiken's V in terms of material and media obtained 0.89 and 0.93 in the valid category. The results of the practicality test conducted by lecturers and students were 90.15% and 92% with a very practical category. The assessment was carried out based on four aspects of creative thinking: fluency, flexibility, originality, and elaboration, which showed an increase after the use of E-LKM. The results of this study prove that the STS-based E-LKM on colloid material is valid and practical and has the potential to improve students' creative thinking skills. Further research can examine its effectiveness in understanding chemical concepts and its application to other topics
In Silico Analysis of Imidazole Derivatives Targeting Estrogen Receptor Alpha as Anti-Breast Cancer Candidates Atika Suri; Okta Suryani
KOVALEN: Jurnal Riset Kimia Vol. 12 No. 1 (2026): April Edition
Publisher : Chemistry Department, Mathematics and Natural Science Faculty, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/kovalen.2026.v12.i1.18031

Abstract

Breast cancer is one of the leading causes of mortality among women worldwide and is frequently associated with the overexpression of Estrogen Receptor alpha (ERalpha). This study aimed to evaluate the potential of imidazole derivatives as anticancer candidates targeting ERalpha (PDB ID: 3ERT) using an In Silico approach. Ten imidazole derivatives were analyzed through Lipinski’s Rule of Five screening, ADMET prediction, and molecular docking studies, with 4-hydroxytamoxifen employed as the positive control. Lipinski screening indicated that all compounds met the drug-likeness criteria. ADMET prediction revealed that most compounds exhibited good intestinal absorption (HIA > 85%) and adequate Caco-2 permeability, with no predicted hepatotoxicity. Molecular docking results showed that all compounds had RMSD values below 2angstroms, indicating stable interactions with the receptor. Among the tested compounds, 1-(2-Phenyl-2-propoxyethyl)-1H-imidazole demonstrated the best binding affinity (-6.3103 kcal/mol) among the imidazole derivatives; however, this value remained lower than that of the positive control, 4-hydroxytamoxifen (-8.6492 kcal/mol), which served as the primary benchmark for binding affinity comparison. Ligand–receptor interactions involved key amino acid residues within the active site of the 3ERT protein. Based on these findings, 1-(2-Phenyl-2-propoxyethyl)-1H-imidazole (compound 9) shows potential as a promising breast anticancer candidate and is recommended for further investigation through In vitro and in vivo experiments are required to verify its biological activity and evaluate its safety profile.
Co-Authors Ahadul Putra Aini, Faiza Qurrata Aini, Faizah Qurrata Aini, Syamsi Akhmad, Ashta Varan Akila, Alya Akmar, Reza Amien, Nurkholishah Anastasya, Wulanda Andromeda Andromeda Andromeda Annisa, Ananda Suci Aprilia Silviani Harahap Aprilia Susanti, Aprilia Arief Muttaqiin Arrum Permata S. Tuti Atika Suri Aviva Alamanda Baehaqi Batu Bara, Humairoh Azhari Benti Etika, Sri Berlianda, Anisa Chatarina Umbul Wahyuni Dafista, Nara Damiyanti, Damiyanti Darussalam, Rahni Della Rosalynna Stiadi Desy Kurniawati Desy Kurniawati Edi Nasra Ezra Delfianza Fahira, Ade Irma Fajri Ikhsan Fallahu Fauzan Fatia Hamsil Fauziah, Tasya Feliska Amanda Fitri Amelia Fitria Ningsih, Rahmadhani Hakim, Lara Azzahra Hamsil, Fatia Hapzi Ali Hardeli Hardeli Hardeli Haris Prayudha Setyawan Herianto Ifan Rivaldo Ilham Fauzi Imelda, Fitria Indang Dewata Irfan Ananda Ismail Irma Fahira, Ade Iryani Iryani Iswendi iswendi Jasmine, Nalisha Jayawarsa, A.A. Ketut Katonnia, Eka Putri Khairani Novia Kiki Amelia, Kiki Lailatul Rahmi Lazaro Sofian Arif Lendarwati, Yana Maharani, Mellysa Maida, Margarita Claudya Mardhiyatul Khairat Mawardi Mawardi Mawardi Mawardi Mawardi Mawardi Mawardi Mawardi Mawardi Mawardi Mawardi Mawardi Mawardi Mawardi Mawardi Mawardi Mawardi Mawardi Melati Alicia Firdaus Melinda Sari Miftahul Khair Mila Juliana Harefa Mulyanti Mulyanti Mulyanti Mulyanti Munadia Insani Naibaho, Sriwahyuni Nofri Yuhelman Novalina Panja Putri Panjaitan Nur ‘Azah Nurisa, Sindya Rahmatul Pangestuti, Annisa Dewi Parbuntari, Hesty Puji Pebrianti Putri, Wiandi Melati Raden Mohamad Herdian Bhakti Rahimmah, Nur Rahmad, Nafisah Yulia Rahmadhani, Melia Rahmi Fadila Rahmi, Zulfiyanti Ramadhan, Muhammad Arvito Ramdhani, Amelia Restu Ananda Reza Akmar Reza Akmar Reza Akmar Riga Riga Riga Riga, Riga Rismi Verawati Rizal, Putri Nadia Romy Dwipa Yamesa Away Ruri Januarita Santia, Andini Sari, Roja Seppurnama Sari, Trisna Kumala Sembiring, Rinawati Siti Nur Wahyuningsih Sonnya Camelia Suci Sukmawati Syawal, M Ichlas Tsuraya, Nur Aini Ulianas, Alizar Ulianas, Alizar Umar Kalmar Nizar Velly, Aglin Verawati, Rismi Vika Aumi Wardani, Laura Yana Lendarwati Yeni, Isra Yerimadesi Yulianti, Vioni Yulinda Sari Z, Martias Zahran, Jihan Fadhilah Zonalia Fitriza