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All Journal Komunikasi Fisika Indonesia Journal of Community Engagement Research for Sustainability
Kartika, Nursiti Sari
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Humanities Earth & Planetary Sciences Electrical & Electronics Engineering Energy Environmental Science Materials Science & Nanotechnology Nursing Physics Public Health Other

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Study of the structural, optical, and morphological properties of ZnO nanoparticle biosynthesis using betel leaf extract as a bioreductant Hamzah, Yanuar; Kartika, Nursiti Sari; Umar, Lazurdi
Indonesian Physics Communication Vol 21, No 3 (2024)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jkfi.21.3.227-232

Abstract

The biosynthesis of zinc oxide nanoparticles (ZnO) is extensively studied because of its eco-friendly and simple method. Piper ornatum is abundant in Indonesia, and the phytochemical content of Piper ornatum leaves has the potential to be a reductor. The study aims to study the role of Piper ornatum in biosynthesis and the characteristics of the zinc oxide nanoparticles. The sample variations in this study were the volume of Piper ornatum and the precursor solution of zinc nitrate hexahydrate Zn(NO3)2·6H2O in proportions of 1:1, 1:5, and 1:10. Characterizations performed include UV-Vis spectroscopy, X-ray diffraction (XRD), scanning electron microscopy, energy dispersive X-ray spectroscope and blue methylene degradation test. UV-Vis spectroscopy of all samples showed peak absorption at the interval of 250 – 330 nm, which indicates that ZnO nanoparticles have already formed. The results of characterization using XRD indicated the degree of crystallinity of the ZnO nanoparticles is not perfect because the crystal field (100) or the highest diffraction peak has a very large full width at half maximum value of 0.8187°. Characterization results using SEM indicate an inhomogeneous morphology and the presence of zinc oxide nanoparticle agglomeration where particle size distribution is at an interval of 170 – 758 nm.
Pembuatan Tong Sampah di Kelurahan Babussalam Mandau Bengkalis Marpaung, Noveri; Hutabarat, Sakti; Ervianto, Edy; Kartika, Nursiti Sari; Manurung, David Pratama; Simanjuntak, Anwar Ribert; Kezia, Deswita; Sulastri, Evi; Sianturi, Gabe Daniel; Simamora, Seltia Ledi Sara; Tampubolon, Cindy Artha Ully; Manurung, Diva Cholis; Ningsih, Septia Warda
Journal of Community Engagement Research for Sustainability Vol. 3 No. 3 (2023): Mei
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/cers.3.3.146-156

Abstract

Keeping clean is an absolute thing that must be performed for mankind. Maintaining cleanliness is an effort which is made to protect anybody and her/his environment from all kinds of dirt and garbage. This effort can realize and create a comfortable and healthy life as well as good hygienic conditions. However, maintaining cleanliness is not an easy thing to do if it is not applied since early. Therefore, sharing knowledge about the importance of cleanliness from early is very necessary. On the other side, Indonesian people still have bad habits about cleanliness, such as people still littering their environmental at one’s pleasure. This bad habit, certainly, has a fatal effect on human health because it can cause various diseases such as tetanus, staphylococcal food poisoning, salmonellosis and others. These circumstances are not found only in cities, but also in villages. Habit of garbage disposing carelessly almost occurs in all circles of society. Those are not only children, even adults who are highly educated as well, performed the same thing. Based on this masalah, therefore the Kukerta Team of Babussalam in 2022 from University of Riau make trash cans in Babussalam Village whereas these trash cans are placed in vital places, such as head office, the shared park b, and also in the function room of the Babussalam village. By this effort, the Babussalam Kukerta Team hopes that a clean environmental will be created around the Babussalam Village to increase the quality of health from Babussalam people.
Co-Authors Edy Ervianto Evi Sulastri Kezia, Deswita Manurung, David Pratama Manurung, Diva Cholis Marpaung, Noveri Ningsih, Septia Warda Sakti Hutabarat Sianturi, Gabe Daniel Simamora, Seltia Ledi Sara Simanjuntak, Anwar Ribert Tampubolon, Cindy Artha Ully Umar, Lazurdi Yanuar Hamzah