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All Journal Indonesian Applied Physics Letters AMMA : Jurnal Pengabdian Masyarakat
Vera Khoirunisa
Institut Teknologi Sumatera
Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Electrical & Electronics Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Nursing Physics

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Theoretical Study of the Stability of Acetylcholine Based on Molecular Orbital Theory using Density Functional Theory Fitri Noor Febriana; Vera Khoirunisa; Wun Fui Mark-Lee; Febdian Rusydi
Indonesian Applied Physics Letters Vol. 3 No. 1 (2022): June
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/iapl.v3i1.39777

Abstract

Some molecules in nature have a positive or negative charge. One such molecule is acetylcholine. Acetylcholine is a positively charged molecule that is responsible for Alzheimer's disease. This study evaluated acetylcholine through six simple molecules based on the ionization potential and the HOMO-LUMO gap obtained from the density functional theory calculation. The calculation results showed that the ionization potential and the HOMO-LUMO gap could explain the stability of acetylcholine and the six other molecules. As a result, acetylcholine has the same properties as five other simple molecules. Meanwhile, one other molecule has the opposite properties to acetylcholine.
Pemanfaatan Kulit Kakao menjadi Produk Kerupuk sebagai Solusi Gagal Panen Perkebunan Kakao di Desa Karang Radja Sefrani Siregar; Vera Khoirunisa; Muhammad R. Ramanda; Dina Fithriyani
AMMA : Jurnal Pengabdian Masyarakat Vol. 2 No. 1 (2023): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Abstract

Cocoa is one of the highly valuable commodities in the Indonesian economy. In terms of its contribution to the nation's foreign exchange, cocoa comes in third. Nevertheless, the farmers' livelihoods in the village of Karang Raja, South Lampung Regency, have been impacted by the failure of the cocoa crop in 2020 and 2021. One way to prevent crop losses and lower the high cocoa shell waste in Karang Radja village is to use the leftover cocoa shells. With the help of this community service program, the residents of the village of Karang Radja will receive training on how to turn leftover cocoa shells into crackers. Surveys are conducted as part of the implementation process, and tools and materials are prepared as well as training in the cracker production.
Co-Authors Dina Fithriyani Febdian Rusydi Fitri Noor Febriana Muhammad R. Ramanda Sefrani IG Siregar Wun Fui Mark-Lee