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All Journal Jurnal Ilmu Pertanian VALENSI Jurnal Riset Kimia Indonesia Chimica Acta Science and Technology Indonesia Jurnal Penelitian Pendidikan IPA (JPPIPA) Indonesian Journal of Chemistry Jurnal Pengabdian Magister Pendidikan IPA jurnal Ilmu Pertanian (Agricultural Science) EIGEN MATHEMATICS JOURNAL Acta Chimica Asiana Jurnal Ilmiah Abdi Mas TPB Unram Jurnal Diferensial Jurnal Warta Desa (JWD) Journal of Fundamental Mathematics and Applications (JFMA) Jurnal Pendidikan dan Pengabdian Masyarakat Jurnal Pengabdian Inovasi Masyarakat Indonesia Molekul: Jurnal Ilmiah Kimia Jurnal Ilmu-Ilmu Pertanian
Tri Dharmayani, Ni Komang
Universitas Mataram
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Profile of a Composite Based on Bacterial Cellulose and Polyvinyl Alcohol as a Drug Release Matrix for Tetracycline Hydrochloride Sukmaningrum, Afif Dwi; Yuanita, Emmy; Dharmayani, Ni Komang Tri; Sudirman, Sudirman; Sudewianingsih, Ni Made; Ulfa, Maria
Jurnal Riset Kimia Vol. 15 No. 2 (2024): September
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrk.v15i2.692

Abstract

Bacterial cellulose (BC) is a natural polymer with good mechanical properties and hydrophilicity. Polyvinyl alcohol (PVA) is a synthetic polymer widely used in medicine. Both have been researched for their potential in drug release and acceptance. This study aims to determine the role of BC and PVA as drug release matrices for tetracycline hydrochloride (TCH), with additional fillers such as graphite (G) and TiO2. The results showed that the composites with BC matrix had lower mechanical properties than those with PVA matrix, with tensile strength values of 6.4075 and 17.446 MPa, respectively. However, the BC matrix was superior in porosity and swelling ability. The drug release testing of TCH from the composites showed that the appropriate model to describe drug release in BC matrix composites was in zero order, while the PVA matrix was in first order. The antibacterial activity of the composites on both matrices was tested against Staphylococcus aureus. The results indicate that both composites have potential applications in promising biomedical fields.
MENGOPTIMALKAN PEMANFAATAN SUMBER DAYA KENTANG: KETERLIBATAN MASYARAKAT DAN PENINGKATAN KETERAMPILAN DALAM MENGGALI POTENSI TINGGI TEPUNG KENTANG DI DESA WISATA SEMBALUN BUMBUNG Dharmayani, Ni Komang Tri; Yuanita, Emmy; Ulfa, Maria; Ningsih, Baiq Nila Sari; Sudirman, Sudirman; Septiyana, Maulida; Wardhana, I Gede Adhitya Wisnu
Jurnal Pengabdian Inovasi Masyarakat Indonesia Vol. 3 No. 1 (2024): Edisi Februari
Publisher : Program Studi Pendidikan Kimia FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpimi.v3i1.3344

Abstract

Potatoes are one of the staple crops widely cultivated worldwide, with significant production, especially in Europe and North America. However, the economic potential of potatoes has not been fully harnessed, particularly in villages like Sembalun Bumbung, West Nusa Tenggara Province, Indonesia. This article outlines a community engagement approach aimed at enhancing the understanding and skills of the community in utilizing potato flour as a valuable local resource. The implementation methodology involves three main approaches: knowledge transfer, technology transfer, and mentoring. The activities encompass education, hands-on training, as well as testing and evaluating processed potato flour products, particularly noodles. The results of the program demonstrate high enthusiasm among participants, who have successfully produced high-quality potato flour and noodles. This program provides new opportunities for the community to utilize potatoes as an additional source of income and has the potential to significantly boost the village's economy.
Sosialisasi Pengemasan Produk SMART (Sehat, Menarik, Aman, Ramah Lingkungan, dan Tepat Sasaran) Bagi Masyarakat Desa Sembalun Bumbung Sebagai Upaya Meningkatkan Nilai Jual Produk Lokal Di NTB Ningsih, Baiq Nila Sari; Sudirman, Sudirman; Dharmayani, Ni Komang Tri; Yuanita, Emmy; Ulfa, Maria
Jurnal Pengabdian Inovasi Masyarakat Indonesia Vol. 3 No. 1 (2024): Edisi Februari
Publisher : Program Studi Pendidikan Kimia FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpimi.v3i1.3346

Abstract

Desa Sembalun Bumbung, yang terletak di lereng Gunung Rinjani, memiliki potensi alam besar dan diakui sebagai World Geopark oleh UNESCO. Meskipun desa ini menghasilkan berbagai produk pertanian dan perkebunan, kebanyakan produk hanya dijual dalam bentuk bahan mentah, terutama untuk wisatawan yang berkunjung langsung. Pengabdian ini berfokus pada upaya meningkatkan pengetahuan dan keterampilan warga Desa Sembalun Bumbung dalam pengemasan produk pertanian dengan metode SMART (Sehat, Menarik, Aman, Ramah Lingkungan, dan Tepat Sasaran). Kegiatan ini melibatkan pendekatan transfer pengetahuan, transfer teknologi, serta pembinaan dan pendampingan. Produk yang menjadi fokus adalah kopi bubuk dan black onion, dengan pengemasan yang lebih inovatif dan estetis. Selain itu, pelatihan juga mencakup pembukaan toko online di e-commerce dan teknik copywriting. Hasil kegiatan menunjukkan bahwa pelatihan berhasil meningkatkan pengetahuan dan keterampilan peserta dalam pengemasan produk. Beberapa dari mereka bahkan tertarik untuk menjalankan bisnis online. Dengan pengemasan yang baik dan pemasaran yang tepat, produk hasil olahan dari Desa Sembalun Bumbung memiliki peluang untuk meningkatkan pendapatan dan berkontribusi pada pertumbuhan ekonomi lokal.
Sosialisasi Pengemasan Produk dengan Plastik Biodegradable Berbahan Selulosa dan Strategi Pemasarannya di Kelompok Wanita Tani Alummahat, Lendang Nangka, Lombok Timur, NTB Ningsih, Baiq Nila Sari; Ulfa, Maria; Yuanita, Emmy; Dharmayani, Ni Komang Tri; Septiyana, Maulida; Haviz, Nur Vinna; Hayani, Hafiyatul; Tamara, Cynthia Claudia; Septiari, Wayan Uni
Jurnal Pengabdian Inovasi Masyarakat Indonesia Vol. 3 No. 2 (2024): Edisi Agustus
Publisher : Program Studi Pendidikan Kimia FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpimi.v3i2.6002

Abstract

Desa Lendang Nangka di Lombok Timur, NTB, yang termasuk dalam World Geopark UNESCO di lereng Gunung Rinjani, memiliki potensi besar dalam sektor pertanian. Namun, tantangan muncul dalam pengemasan produk pertanian yang belum ramah lingkungan. Kegiatan ini bertujuan meningkatkan nilai produk pertanian bagi kelompok Wanita Tani Alummahat melalui penggunaan kemasan ramah lingkungan berbahan selulosa dengan metode gelatinisasi dan pemasaran melalui e-commerce. Pelaksanaan kegiatan melibatkan transfer pengetahuan, teknologi, serta pembinaan dan pendampingan untuk memastikan peningkatan nilai ekonomi lokal secara berkelanjutan. Kegiatan meliputi penyuluhan, pelatihan praktis, dan pembentukan Kelompok Usaha Bersama (KUB) sebagai wadah pengembangan ide inovatif. Evaluasi menunjukkan peningkatan signifikan dalam pengetahuan dan keterampilan partisipan terkait pengemasan ramah lingkungan, serta antusiasme yang tinggi. Program ini berkontribusi pada pengembangan strategi pemasaran dan pengemasan yang berkelanjutan di tingkat desa, dengan harapan dapat memberikan dampak positif pada ekonomi masyarakat lokal.
Synthesis and Characterization of Composites-Based Bacterial Cellulose by Ex-Situ Method as Separator Battery Ulfa, Maria; Noviani, Inda; Yuanita, Emmy; Dharmayani, Ni Komang Tri; Sudirman; Sarkono
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.v9i6.3819

Abstract

Many studies have been conducted and developed on cellulose-based battery separator materials, including bacterial cellulose, which has characteristics like plant cellulose. This research aims to synthesize BC/Al2O3 composite and analyze its potential as a battery separator. The synthesis of the composite with the ex-situ method is to immerse BC from tofu liquid waste (fermentation time variation of 6, 7, and 8 days) into Al2O3 suspension. The characterization results showed that the immersion of Al2O3 in BC can increase porosity, electrolyte absorption, and conductivity, indicating that the composite has the potential to be used as a battery separator.
Antibacterial Activity of Marine Sponge (Stylotella sp.) Dharmayani, Ni Komang Tri; Isnaini; Ulfa, Maria; Sudirman; Yuanita, Emmy; Sariningsih, Baiq Nila
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.v9i6.3839

Abstract

Sponges are marine biota that makes up coral reefs that live on the bottom of the waters and have an important role in marine ecosystems. Sponges have bioactive components that have not been widely used by the community. This study aimed to analyze the content of secondary metabolites and the antibacterial activity of the sponge Stylotella sp. antibacterial activity test against Gram-negative (-) Escherichia coli and Gram-positive (+) Staphylococcus aureus was carried out using the good diffusion method. The results of antibacterial testing with various concentrations of 50, 100, and 150 ppm of the isolates showed that the zone of inhibition against E. coli was 11.3; 12; and 13 mm while for S. aureus was 12.3; 13; and 14 mm. The results of antibacterial testing with a concentration of 600 ppm of sponge extract showed an inhibition zone on E. coli and S. aureus in the amount of 13.3 and 14 mm, respectively. The test results showed that the sponge extract and isolate were in the intermediate category and were resistant to E. Coli bacteria. and S. Aureus
Modified Bacterial Cellulose-Based Composite Profile for Drug Release of Tetracycline Hydrochloride Cahyani, Ni Wayan Chyntia Pramesti; Yuanita, Emmy; Dharmayani, Ni Komang Tri; Sudirman, Sudirman; Sudewianingsih, Ni Made; Ulfa, Maria
Jurnal Kimia Valensi Jurnal Kimia VALENSI, Volume 10, No. 1, May 2024
Publisher : Department of Chemistry, Faculty of Science and Technology Syarif Hidayatullah Jakarta State Islamic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/jkv.v10i1.37663

Abstract

Bacterial cellulose (BC) is a biodegradable natural polymer with high mechanical strength and non-toxicity. This biopolymer is widely used as a candidate in biomedical fields, such as drug delivery, wound healing, and filtration systems. However, BC lacks antibacterial activity which limits its use in biomedical applications. So, modification of BC-based composite is required. This study aims to examine the effects of modifying BC-based composites with fillers such as graphite (G) and polyvinyl alcohol (PVA) on the release of tetracycline hydrochloride (TCH) drugs. Adding fillers to BC can alter its physical and mechanical properties, reducing its porosity and swelling rate in acidic and alkaline mediums. The drug release of TCH from modified BC-based composites follows the Korsmeyer-Peppas and Hixson-Crowell kinetics models. Adding filler and TCH antibiotic to the composite enhances its antibacterial activity against Staphylococcus aureus with a significant inhibition zone. The results of the inhibition zone show that composites have the potential to be applied in biomedical fields, especially in transdermal patches.
Pelatihan dan Penerapan Teknologi Filtrasi Ramah Lingkungan untuk Pengolahan Limbah Pewarna Songket di UMKM Ungga Creative, Lombok Tengah Septiyana, Maulida; Putri, Baiq Yusmiar Aulia; Tsani, M. Khairul; Ningsih, Apriliya; Ramdhani, Restu Agung; Nursofia, Baiq Ike; Ningsih, Baiq Nila Sari; Dharmayani, Ni Komang Tri; Ulfa, Maria; Yuanita, Emmy; Budiana, Irwan
Jurnal Pengabdian Inovasi Masyarakat Indonesia Vol. 4 No. 2b (2025): Edisi khusus Dies Natalis Universitas Mataram
Publisher : Program Studi Pendidikan Kimia FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/4mhjgv27

Abstract

Usaha Mikro, Kecil, dan Menengah (UMKM) Ungga Creative yang berlokasi di Desa Ungga, Lombok Tengah, merupakan UMKM yang berfokus pada produksi kain songket, mulai dari proses pewarnaan benang hingga tahap penenunan. UMKM ini menghadapi permasalahan berupa limbah cair hasil pewarnaan yang berpotensi mencemari lingkungan sekaligus meningkatkan biaya produksi. Oleh karena itu, kegiatan pengabdian ini dilaksanakan untuk memberikan solusi melalui penerapan teknologi pengolahan limbah tekstil berbasis pengendapan tawas dan filtrasi sederhana dengan memanfaatkan media berupa pasir, kain perca, zeolit, dan serabut kelapa. Metode kegiatan Pengabdian kepada Masyarakat ini meliputi penyuluhan mengenai dampak limbah tekstil, pelatihan praktis, serta pendampingan implementasi teknologi. Hasil kegiatan menunjukkan bahwa masyarakat menjadi lebih memahami bahaya limbah pewarna tekstil apabila terpapar ke lingkungan. Selain itu, teknologi filtrasi terbukti dapat diaplikasikan secara langsung pada skala UMKM dan mampu menurunkan intensitas warna serta tingkat kekeruhan limbah, sehingga air hasil olahan dapat digunakan kembali dalam proses pewarnaan. Masyarakat mitra juga mengalami peningkatan pengetahuan dan keterampilan dalam pengelolaan limbah tekstil. Selain memberikan manfaat ekonomi berupa efisiensi penggunaan air, kegiatan ini turut mendukung keberlanjutan usaha dan berkontribusi pada pencapaianSDG 6 (air bersih dan sanitasi layak), SDG 12 (konsumsi dan produksi yang bertanggung jawab), serta SDG 13(penanganan perubahan iklim).
Analysis of the Relationship Between Second Zagreb Index Values and the Oxidation Levels of Terpenoid Derivatives Luzianawati, Luzianawati; Hidayat, Muhammad Ahsan; Dharmayani, Ni Komang Tri; Wardhana, I Gede Adhitya Wisnu
Eigen Mathematics Journal Vol 8 No 2 (2025): December
Publisher : University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/emj.v8i2.264

Abstract

Terpenoids are a group of secondary metabolites composed of isoprene units containing five carbon atoms (C5), synthesized from acetate through the mevalonate pathway. This research examines two triterpenoid derivatives, densiflorinic acid A and densiflorinic acid B. The second Zagreb index is applied to illustrate atomic interaction patterns—including H--C, C--O, O--H, and C--C—which serve as indicators of molecular structural complexity. The findings indicate that the second Zagreb index is a reliable measure for assessing the structural complexity and oxidation levels of triterpenoid derivatives that share the same core framework.
BOILING POINT MODELING OF EUGENOL COMPOUNDS AND ITS DERIVATIVES USING THE SOMBOR INDEX AND REDUCED SOMBOR INDEX APPROACHES Ardana, Alfian Putra; Putri, Syaftirridho; Lestari, Dia; Wardhana, I Gede Adhitya Wisnu; Dharmayani, Ni Komang Tri
Journal of Fundamental Mathematics and Applications (JFMA) Vol 8, No 2 (2025)
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jfma.v8i2.25725

Abstract

Eugenol and its derivatives, phenylpropanoid compounds derived from plants like Syzygium aromaticum, exhibit significant biological activities, including antimicrobial, antifungal, anti-inflammatory, antioxidant, analgesic, and anticancer properties. These attributes make them valuable in drug development and medical applications. In mathematical chemistry, chemical topology graphs are used to determine the topological indices of molecules, which to help predict physical and chemical properties. Here, atoms are represented as nodes and bonds as edges. This study explores the relationship between the Sombor index, the reduced Sombor index, and the boiling points of eugenol and its derivatives. The methodology includes literature review and computational analysis of the indices, followed by correlation analysis with the boiling points. The findings reveal that the Sombor index negatively correlates with the boiling point, explains 84.8% of the boiling point variance. This implies that an increase in the Sombor index results in a lower boiling point. Conversely, the reduced Sombor index demonstrates a positive correlation, influencing 36.1% of the boiling point variations, indicating that higher reduced Sombor indices correspond to higher boiling points. When combined, the Sombor and reduced Sombor indices explain 86.4% of the boiling point variance, highlighting their significance as predictive parameters. These results provide insights into the thermal properties of eugenol-based compounds and their potential applications in material and pharmaceutical sciences. By leveraging these indices, researchers can better predict and tailor the physical properties of eugenol derivatives for specific purposes.
Co-Authors Anjartikasari, Nurul Ardana, Alfian Putra Ari Jamhari Pratama Baiq Nurmayana Budiana, Irwan Cahyani, Ni Wayan Chyntia Pramesti Devy Febriana Dewi Fitri Nur’afuddin Dhoni Hermanto DIAN LESTARI Emmy Yuani Emmy Yuanita Emmy Yuanita Emmy Yuanita Emmy Yuanita Emmy Yuanita Ernidasari Rohmati Erwin Jayadi Putra Eryani, Farica Haviz, Nur Vinna Hayani, Hafiyatul Hermanto, Dhoni Hermawati, Elvira Hidayat, Muhammad Ahsan I Gede Adhitya Wisnu Wardhana I MADE SUDARMA Ima Arum Lestarini Inggit Garnasih Ira Agustina Isnaini Iwan Sumarlan Jufrizal Syahri Kadek Yefta Christian Lalu Dimas Pratama Atmaja Lestari, Dia Luzianawati, Luzianawati Made Ganesh Darmayanti Maria Ulfa Maria Ulfa Maria Ulfa Maria Ulfa Maulida Septiyana Miftahurrahman, Miftahurrahman Mufarrihati, Ardelia Muhammad Suprodi Suprodi Ni Ketut Santi Rahayu Ningsih, Apriliya Ningsih, Baiq Nila Sari Noviani, Inda Nur Indrianingsih M.G Indrianingsih Nurlely Shabna Syundari Nursofia, Baiq Ike Pratiwi, Lia Fitta Putri, Baiq Yusmiar Aulia Putri, Syaftirridho Ramdhani, Restu Agung Ridho Abdi Saputra RINA KURNIANINGSIH Rizkyani, Azizah Romel Hidayat Sabil, M. Ibnu Saprizal Hadisaputra Sariningsih, Baiq Nila Septiari, Wayan Uni Sirojuttolibin, Sirojuttolibin Siti Raudhatul Kamali Sri Seno Handayani Sudewianingsih, Ni Made Sudirman Sudirman Sudirman Sudirman Sudirman Sudirman Sudirman Sudirman Sudirman Sukmaningrum, Afif Dwi Surya Hadi Surya Hadi Surya Hadi Tamara, Cynthia Claudia Taufan Hari Sugara Tsani, M. Khairul Wahidatun, Wahidatun