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All Journal Indonesian Physical Review Journal of Dedication in Community (JoDiC)
DIAH HARI KUSUMAWATI
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FABRICATION OF PVA/TiO2 NANOFIBERS BY ELECTROSPINNING METHOD AS PHOTOCATALYTIC DEGRADATIO Aulia Aska Mei, Sisy Anggelina; Hari Kusumawati, Diah
Indonesian Physical Review Vol. 5 No. 2 (2022)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v5i2.145

Abstract

The nanofiber fabrication process was optimized to determine the effect of stress variations on the morphology and diameter of the nanofibers produced for the absorption of methylene blue dye in water. PVA/TiO2 nanofibers were made using the electrospinning method. The nanofiber fabrication process begins by dissolving 10% PVA with the addition of 0.05 g of TiO2 nanoparticles, the collector tip distance is 15 cm with varying voltages of 12, 15, and 18 kV. PVA/TiO2 nanofiber characterization was carried out using FTIR, SEM, EDS, and UV-Vis Spectrophotometer. The results showed success in forming PVA/TiO2 nanofibers. The nanofibers show a fibrous structures with a diameter of 252 nm for PVA and 237 nm for PVA/TiO2 with a uniform surface and contained TiO2 nanoparticles scattered within the nanofibers. The photocatalytic testing within 5 hours shows that PVA nanofibers can degrade up to 39.29% of the methylene blue dye, while TiO2 powder is up to 55.48%. Hence, the PVA/TiO2 nanofibers can degrade the dye up to 97.02%. The results of good transparency on the UV-Vis Spectrophotometer test are shown in the visible light region caused by the uniform distribution of TiO2 nanoparticles in the nanofiber.
Meningkatkan Literasi Kesehatan Holistik di Kalangan Diaspora Indonesia di Malaysia Menggunakan Bumbu Tradisional Indonesia Suaebah, Evi; Primary Putri, Nugrahani; Munasir; Anggaryani, Mita; Sunarti, Titin; Hari Kusumawati, Diah; Satriawan, Muhammad; Saputra, Oka; Apridiana Lestari, Nurita; Fadhilah, Nisa’ul; Khoiro, Muhimmatul
Journal of Dedication in Community Vol. 3 No. 2 (2025)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences (FMIPA) Universitas Negeri Surabaya (UNESA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jodic.v3n2.p20-31

Abstract

This community service program aimed to improve knowledge, perceptions, and behaviors of the Indonesian diaspora at the Sungai Mulia Learning Studio (SBSM) in Kuala Lumpur, Malaysia, regarding the use of traditional spices for health. The program involved counseling, demonstrations, and completion of an evaluation questionnaire using a Likert scale and open-ended questions. Twenty-three participants took part in the activities and evaluations. The results showed high levels of knowledge and positive perceptions, especially in participants’ belief in the health benefits of traditional spices and their understanding of the functions of basic spices such as ginger and turmeric, commonly used as traditional medicines. Although some participants still chose modern medicine as their main option, they demonstrated a positive attitude toward herbal remedies. Behavioral analysis indicated a strong tendency to prepare, consume, and seek information about spices after attending the program. Qualitative findings supported these results; most participants stated that the activities were beneficial, broadened their insight, and encouraged habit changes toward greater use of herbal medicine. All participants also expressed willingness to join follow-up programs. Overall, this program effectively improved spice-based health literacy and has the potential to be scaled up through more intensive practical sessions and provision of guidance materials.
Co-Authors Apridiana Lestari, Nurita APRILIA, NITA Aulia Aska Mei, Sisy Anggelina EKA PUJI LESTARI, SUKAWATI Fadhilah, Nisa’ul Khoiro, Muhimmatul Mita Anggaryani Munasir NUGRAHANI PRIMARY PUTRI Oka Saputra Satriawan, Muhammad Suaebah, Evi TITIN SUNARTI