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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Pengabdian Magister Pendidikan IPA Jurnal Ilmiah Mandala Education (JIME) Hydrogen: Jurnal Kependidikan Kimia Hydrogen: Jurnal Kependidikan Kimia Bioscientist : Jurnal Ilmiah Biologi Lumbung Inovasi: Jurnal Pengabdian Kepada Masyarakat Empiricism Journal SainsTech Innovation Journal Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Lensa: Jurnal Kependidikan Fisika Journal of Authentic Research DEDIKASI : JURNAL PENGABDIAN KEPADA MASYARAKAT International Journal of Ethnoscience and Technology in Education Sasambo: Jurnal Abdimas (Journal of Community Service) Jurnal Kesehatan Qamarul Huda SainsTech Innovation Journal
Bayani, Faizul
Fakultas Kesehatan, Universitas Qamarul Huda Badaruddin Bagu
Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Nursing Physics Public Health Social Sciences Other

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Uji Aktivitas Antibakteri Ekstrak Daun Bridelia micranth Lombok pada Escherichia coli Bayani, Faizul; Sudiana, Endang; Hamdani, Ade Sukma; Wahyuni, Ida; Mujaddid, Jamilul; Hulyadi, Hulyadi
Bioscientist : Jurnal Ilmiah Biologi Vol. 11 No. 2 (2023): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v11i2.9931

Abstract

The aim of this research is to identify the antibacterial activity of Bridelia micranth Lombok extract on the pathogenic bacteria Escherichia coli. The independent variable in this study was the concentration of Bridelia micrantha leaf extract. The concentration of Bridelia micrantha leaf extract in this study was varied from 20%, 40%, 60%, and 80%. The dependent variable is the ability of Bridelia micrantha leaf extract as an antibacterial. The antibacterial ability of Bridelia micrantha leaf extract was measured based on the diameter of the clear zone with three repetitions. As a comparison, an antibacterial is used, namely amoxicillin. Data analysis in this research was carried out descriptively, and then non-parametric tests were carried out to test the homogeneity of the data. In this study, the antibacterial ability of Bridelia micrantha leaf extract was discovered. At a concentration of 20%, the average diameter of the inhibitory zone was 2.5 mm which was categorized as none (resistance), 40% concentration was 9.83 mm in the non-existent category (resistance), 60% concentration was 13.66 in the weak category (intermediate), and at a concentration of 80% 16.5 mm is in the medium (sensitive) category. The research results indicated that Bridelia micrantha leaf extract had antibacterial activity against Escherichia coli bacteria. When compared with amoxicillin, the ability of Bridelia micrantha leaf extract as an antibacterial is still lower. Amoxicillin was able to inhibit the growth of Escherichia coli by 18.13 mm, while the highest ability of Bridelia micrantha leaf extract was 16.5 mm. Based on Ministry of Health regulations, antibacterials can be used if the inhibition zone is between 14-18 mm. So, Bridelia micrantha leaf extract can be used as an antibacterial, but it needs to be tested further before being applied to the public.
Research Trends in Analytical Thinking Skills for Science Education: Insights, Pedagogical Approaches, and Future Directions Bayani, Faizul; Rokhmat, Joni; Hakim, Aliefman; Sukarso, AA
International Journal of Ethnoscience and Technology in Education Vol. 2 No. 1 (2025): March
Publisher : Faculty of Engineering and Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/ijete.v2i1.14142

Abstract

In the rapidly evolving 21st century, fostering analytical thinking skills has become a critical objective in science education, enabling students to solve complex problems and adapt to knowledge-driven economies. This systematic literature review, covering research from 2013 to 2024 and focusing on Scopus-indexed journals (Q1–Q3), aims to identify trends in analytical thinking research, explore effective pedagogical approaches, and analyze methodological diversity in the field. Using the PRISMA framework, 60 peer-reviewed studies were systematically selected and analyzed through both quantitative and qualitative methods, with thematic coding and tools like Vosviewer employed to uncover patterns and themes. The findings highlight a surge in research during 2020–2021, driven by the global shift to remote learning, and emphasize the effectiveness of innovative teaching strategies such as Problem-Based Learning (PBL), Project-Based Learning (PjBL), and Inquiry-Based Learning (IBL) in fostering analytical skills. The review also underscores the role of technological interventions, such as virtual labs and simulations, in enhancing student engagement and cognitive development. However, gaps were identified, including the need for longitudinal studies and standardized evaluation metrics to assess long-term impacts. The study concludes that integrating evidence-based, scalable strategies across diverse educational contexts is essential for promoting analytical thinking as a core competency. Future research should prioritize interdisciplinary approaches and leverage emerging technologies to address these gaps. These findings provide actionable insights for educators, researchers, and policymakers aiming to advance science education and prepare students for the challenges of a dynamic world.
Penanggulangan Stunting Melalui Pemberian Makanan Tambahan Pangan Olahan Hewani Terhadap Balita Stunting di Desa Bengkaung Bayani, Faizul; Pratiwi, Dita Retno; Ely Mawaddah; Siti Maryam
DEDIKASI : Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 01 (2024): DEDIKASI : Jurnal Pengabdian Kepada Masyarakat
Publisher : YAYASAN HAMJAH DIHA bekerjasama dengan PENA INSTITUTE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70004/dedikasi.v4i01.85

Abstract

Tahun 2013, tingkat stunting di Lombok Barat mencapai 46,89%, dengan jumlah balita yang mengalami stunting mencapai 28.533. Namun, Lombok Barat secara bertahap berhasil meningkatkan peringkat stunting-nya dan secara konsisten berhasil menurunkan tingkat stunting di wilayahnya. Pemerintah Lombok Barat berhasil mengurangi tingkat stunting dari 46,89% pada tahun 2013 menjadi 30,8% pada tahun 2018, dan kemudian menjadi 20,7% pada tahun 2022. Angka stunting berdasarkan data Puskesmas Meninting pada bulan Februari 2024 sebanyak 475 balita dengan sasaran 4.155 balita. Kasus stunting pada balita dan kasus penyakit tidak menular menjadi salah satu masalah di wilayah kerja puskesmas Meninting terutama di Desa Bengkaung. Tujuan: Pemberian Makanan Tambahan kepada balita stunting di Desa Bengkaung. Metode Pelaksanaan: Pelaksanaan pengabdian pemberian makanan tambahan pangan olahan hewani kepada balita stunting sebanyak 36 balita, dilakukan selama 8 hari yaitu tanggal 10 sampai 17 Maret 2024 yaitu dengan memberikan makanan tambahan pangan olahan hewani yang terbagi menjadi 5 siklus makanan utama dan 3 siklus menu makanan selingan yang berbahan dasar protein hewani bagi balita di sore hari. Hasil Kegiatan: Setelah pemberian Makanan Tambahan dilaksanankan terdapat 27 balita (75%) mengalami penigkatan berat badan, 3 balita (8%) yang berat badannya tetap, dan sebanyak 6 balita (17%) mengalami penurunan berat badan. Kesimpulan: Kegiatan Pemberian Makanan Tambahan berupa pangan olahan hewani memberikan hasil yang signifikan dalam menaikkan berat badan balita stunting, terdapat 27 balita stunting yang mengalami keaikan berat badan. Saran: Sebaiknya kegiatan pemberian Makanan Tambahan ini dilanjutkan agar dapat dilakukan pencegahan an penganggulangan stunting di Desa Bengkaung.
Identification of Secondary Metabolite Compounds from Melandean (Bridelian micrantha) Leaf Extract Bayani, Faizul; Kurniasari, Baiq Anting; Hamdani, Ade Sukma; Yuliana, Depi; Wahyuni, Ida; Mujaddid, Jamilul
Hydrogen: Jurnal Kependidikan Kimia Vol. 11 No. 6 (2023): December 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i6.9879

Abstract

The Melandean plant or Bridelia micrantha (Hochst.) Baill is traditionally used by the community to treat various human diseases, such as poisoning, paralysis, digestive diseases, diabetes, syphilis, and other diseases. Bridelia micrantha is believed to have active chemical compounds in the form of secondary metabolites which are useful for treatment. This active chemical compound is contained in the roots, leaves, seeds, skin, stems, and fruit. Bridelia micrantha leaves were used as samples in this study to analyze the secondary metabolite compounds contained therein. Leaf extraction was carried out using 80% methanol solvent through a maceration process. Analysis was carried out qualitatively using the phytochemical screening test method and quantitatively using the thin layer chromatography test method. Based on the results of the phytochemical screening test carried out, it is known that Bridelia micrantha is positive for containing active compounds in the form of flavonoids, tannins, saponins, and alkaloids. The results of the thin layer chromatography (TLC) test showed that flavonoid compounds were found with an Rf value of 0.437, tannin compounds with an Rf value of 0.312, saponin compounds with an Rf value of 0.625, and alkaloid compounds with Rf values of 0.125, 0.187, 0.312 and 0.5.
Identification of Antioxidant Activity of Bridelia Micrantha Bark Using the DPPH Method Bayani, Faizul; Rosmayanti, Baiq; Hamdani, Ade Sukma; Bimaharyanto, Deden Eka; Hulyadi, Hulyadi
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 2 (2024): April-May 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i2.11346

Abstract

This research aims to identify the antioxidant activity of Bridelia micrantha stem bark using the DPPH method. This research is a laboratory experimental research. Antioxidant activity was measured using the DPPH (2,2-diphenyl-1-picrylhydrazyl) method. Melandean Bark Extract is made using the maceration method with 80% methanol solvent. Identification of antioxidant activity was carried out at concentrations of 20 ppm, 40ppm, 60ppm, 80ppm, and 100ppm. Vitamin C was used as a positive control. Absorbance measurements were carried out using a UV-Vis spectrophotometer at a wavelength of 517nm. The test results in this research showed that the IC50 value of melandean bark extract was 85.54 ppm. Melandean bark extract is classified as a strong antioxidant.
Review of Secondary Metabolites From Melandean Bark Extract (Bridellia Micrantha): Bioactive Potential and Applications in Health Bayani, Faizul; Muhali, Muhali; Yuliana, Devi; Hulyadi, Hulyadi; Gargazi, Gargazi
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 3 (2024): June-July 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i3.11956

Abstract

Abstract The emergence of various diseases affecting the immune system, such as COVID-19 and Hand, Foot, and Mouth Disease, demands serious attention. Current climate changes occurring in almost all parts of the world can lead to the emergence of various viruses and bacteria that cause multiple diseases. Exploring medicinal plants that can enhance the immune system is crucial to be continued. This study aims to identify secondary metabolite compounds contained in Bridellia Micrantha plants using chemical reagents and gas chromatography-mass spectrometry (GC-MS) instruments. This research is an experimental laboratory study. The variable studied is the content of secondary metabolite compounds. Data were collected using chemical reagents and instruments. The obtained data are described in informative tables and graphs. Based on the identification results using instruments, positive results were found for organic compound groups such as flavonoids, alkaloids, and tannins. GC-MS test results showed that the organic compounds  contained in Bridellia Micrantha extract are 43.05% hexadecanoic acid, 21.46% oleic acid, 16% docos-13-enoic acid, 3.89% octadecanal, 1.85% propanediol, and 0.91% trans-phytol. Literature reviews indicate that the organic acids in Bridellia micrantha extract have clinical activities as antioxidants and anti-inflammatory agents, while organic compounds containing hydroxyl groups have clinical activities as anti-cancer agents. Based on these findings, Bridellia micrantha extract has the potential as a medicine that can enhance the body's immunity.  
Antioxidant Activity Analysis of Ethanol Extract from Melandean Leaves (Bridelia micrantha) Using the DPPH Assay Bayani, Faizul; Rahayu, Lale Budi Hutami; Rahayu, Supiani; Huaida, Nurul; Yuliana, Depi; Hulyadi, Hulyadi; Gargazi, Gargazi
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 6 (2024): December 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i6.13855

Abstract

The increasing global prevalence of oxidative stress-related diseases such as cardiovascular disease, diabetes, and neurodegenerative disorders underscores the importance of developing effective antioxidant strategies. In this study, samples of ethanol extract from Bridelia micrantha (Melandean) leaves were used which were then evaluated using the DPPH (2,2-diphenyl-1-picrylhydrazyl) test, a method that is widely known for assessing free radical scavenging activity. The ethanol extract sample was obtained through maceration with a yield of 15.84%. Based on the DPPH test, it shows that the extract has dose-dependent inhibition of DPPH radicals, with a maximum inhibition of 66.13% at a concentration of 25 ppm. The IC50 value, calculated from regression analysis, confirmed the antioxidant potential of the extract, although it was less effective than that of vitamin C, which was used as a positive control. These findings suggest that Bridelia micrantha leaves, rich in phytochemicals such as flavonoids, tannins, and saponins, have the potential as a source of natural antioxidants for managing oxidative stress-related health conditions.
Evaluating Glycerol's Performance as a Sustainable Dehydrator in Ethanol Purification Muhali, Muhali; Hulyadi, Hulyadi; Bayani, Faizul
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 6 (2024): December 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i6.14417

Abstract

This research aims to evaluate the effectiveness of glycerol as a dehydrator in the process of purifying ethanol solutions. This study is a quantitative descriptive research aimed at analyzing the effectiveness of glycerol, derived from used cooking oil, as a water dehydrating agent in the ethanol purification process. Data obtained will be quantitative and statistically analyzed to evaluate glycerol's performance as a dehydrator. The research was conducted at the Chemistry Laboratory of Mandalika Education University (UNDIKMA) over a specific period according to the research schedule.Independent Variable is glycerol from used cooking oil as a dehydrating agent. The concentration of glycerol used is determined based on the percentage of glycerol in the ethanol solution. Dependent variable the effectiveness of ethanol purification, measured through the comparison of density and percentage of standard bioethanol and Controlled variables is Temperature and pressure during the dehydration process, duration of the purification process, and the initial ethanol concentration before purification. Data analysis uses a simple regression curve that follows Lambert Beer's law. In conclusion, the results obtained (increasing the ethanol concentration to 90.5%) show that glycerol is a very effective dehydrator in reducing water content, especially for solutions with high water content such as ethanol at an initial concentration of 23.3%.
Local Wisdom in Herbal Medicine Processing: The Role of Health Practitioners in Maintaining Tradition and Innovation Bayani, Faizul; Hulyadi, Hulyadi; Yuliana, Depi; Listantia, Nora; Hamdani, Ade Sukma
Hydrogen: Jurnal Kependidikan Kimia Vol. 13 No. 2 (2025): April 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v13i2.15218

Abstract

This study explores the role of local wisdom in traditional herbal medicine processing among the Sasak community in Lombok, Indonesia. The focus is on the extraction techniques used by traditional healers (belian), especially their selection of specific woods for the heating process to preserve the stability of bioactive compounds. Using a qualitative descriptive method, data were collected through interviews, observations, and documentation involving experienced traditional practitioners. The findings show that belian possess inherited empirical knowledge that integrates technical, ecological, and spiritual considerations. This includes selecting herbal plants based on environmental quality, using sustainable harvesting methods, and applying low-heat boiling techniques to prevent degradation of sensitive compounds such as flavonoids and alkaloids. Additionally, spiritual rituals and intuitive practices accompany the preparation process, reflecting a holistic healing philosophy. The study reveals that these traditional methods align with modern principles of sustainable and effective herbal extraction. The integration of traditional knowledge with scientific understanding presents an opportunity to develop culturally rooted, low-cost, and environmentally friendly healthcare solutions. The preservation and documentation of this local wisdom are essential for future generations and the advancement of ethnopharmacological science.
Correlation Profile of Cognition Levels and Student Ability to Solve Problems in Biodiesel Synthesis Hulyadi, Hulyadi; Bayani, Faizul; Muhali, Muhali; Khery, Yusran; Gargazi, Gargazi
Jurnal Penelitian Pendidikan IPA Vol 9 No 6 (2023): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i6.3130

Abstract

Covid-19 has had a huge impact in all sectors. The socio-economic sector experienced the heaviest impact. One of the sectors affected is the world of education. Education is now transforming from face-to-face learning to online learning. Online learning is very helpful for students during covid-19. In addition to having a positive value, online learning also contains a negative value. For example, students' interest in reading increases, but on the other hand, students' reading power is low. Low reading power has an impact on decreasing the cognitive level of students. The purpose of this research is to first identify the cognitive level profiles and students' abilities in solving problems in the synthesis of biodiesel from used cooking oil. Analyzing the correlation between cognitive level and students' ability to solve problems. This research is a correlational descriptive research. This research was conducted on fourth semester chemistry education students who were taking an instrument chemistry course and determining the structure of organic compounds. Cognitive level and problem-solving ability were measured using a rubric for assessing cognitive level and student problem-solving ability. The data obtained is then described in graphical form. The data was then tested for correlation using the SPSS product moment correlation test. In this study, it was found that the cognitive level of most students entered at C2 and C3 levels and the average problem solving ability was 53.84. The results of the correlation test show that the cognitive level is positively correlated with the ability of students to solve problems. This is evidenced by the comparison of the value of r count 0.724> r table 0.44. Based on the results of this study, it can be concluded that the cognitive level and problem solving abilities of students are still low. Cognitive level and problem solving ability are positively correlated
Co-Authors - Khaeruman Ahmad - Zainudin Ahmad - Zainudin Al-Idrus, Agil Aliefman Hakim Apriani, Laili Azmi, Irham Bilad, Muhammad Roil Bimaharyanto, Deden Eka Cecep Kusmana Cokorda Istri Widya Utamiswari Deasi Wikandari Dedent Eka Bimmaharyanto S Delila Idsa Amara Raymanda Depi Yuliana Devi Yuliana, Devi Dita Marina Lupitaningrum Dwi Monika Ningrum Ely Mawaddah Ferniawan, Ferniawan Fitriani, Herdiyana Gargazi Gargazi Hamdani, Ade Sukma Hardianti, Dina Hidayah, Thauhidayatul Hidayati, Agriana Rosmalina Huaida, Nurul Hulyadi, Hulyadi Ida Wahyuni Ida Wahyuni Indra Purnomo intan kusuma wardani Istri Widya Utamiswari, Cokorda Jamilul Mujaddid Joni Rokhmat Jupriadi, Lalu Kurniasari, Baiq Anting Lelie Amalia Tusshaleha Lisnasari, Baiq Risky Wahyu Listantia, Nora liswijaya, liswijaya M. Muhali Meilynda Pomeistia Menap Muhammad Roil Bilad Mujaddid, Jamilul Mujaddid, Jamilul Mukhlishah, Neneng Rachmalia Izzatul Neneng Rachmalia Izzatul Mukhlishah Neneng Rachmalia Izzatul Mukhlishah Ni Made Nuratni Ni Nyoman Sri Putu Verawati Nisa Isneni Hanifa Nora Listantia Nuratni, Ni Made Pomeistia, Meilynda Pratiwi, Dita Retno Prayogi, Saiful Purnomo, Indra Putri Ramdaniah Putri, Tursina Kamila Raden Mohamad Herdian Bhakti Rahayu, Lale Budi Hutami Rahayu, Supiani Rahman Rahman Ramdaniah, Putri Rosmayanti, Baiq Safitri, Temi Ainul Siti Maryam Sudiana, Endang Sudirman Sudirman Sukarso, Aa Susilawati, Melen Swati, Ni Nengah Sri Syamsul Rahmat Taufik Samsuri Umboro, Recta Olivia Wikandari, Deasi Windah Anugrah Subaidah Yuliana, Depi Yusran Khery, Yusran Yusril Anwar Zul Anwar