Article Per Year (5 Year)
p-Index From 2021 - 2026
4.454
P-Index
This Author published in this journals
All Journal JURNAL KIMIA SAINS DAN APLIKASI Chemica: Jurnal Ilmiah Kimia dan Pendidikan Kimia Alchemy : Journal of Chemistry Jurnal Pengabdian Kepada Masyarakat Sakai Sambayan CHEMPUBLISH JOURNAL Indonesia Chimica Acta Al-Kimia Jurnal SOLMA CHEESA: Chemical Engineering Research Articles Walisongo Journal of Chemistry Indonesian Journal of Chemical Analysis (IJCA) Jurnal Crystal : Publikasi Penelitian Kimia dan Terapannya Jurnal Jejaring Matematika dan Sains Jurnal ABDINUS : Jurnal Pengabdian Nusantara Stannum : Jurnal Sains dan Terapan Kimia Jurnal Sains dan Edukasi Sains SPIN: Jurnal Kimia & Pendidikan Kimia Jurnal Bakti Untuk Negeri Nanggroe: Journal Of Scholarly Service Nanggroe: Journal of Scholarly Service Rafflesia Journal of Natural and Applied Sciences (RJNAS) Jurnal Sains Materi Indonesia Bohr: Jurnal Cendekia Kimia NAWASENA: Journal of Community Service Helium: Journal of Science and Applied Chemistry
Mokhamat Ariefin
Department Of Chemistry, Faculty Of Mathematic And Science, University Of Palangka Raya
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Other

Published : 35 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 35 Documents
Search

 1   2   3   4 
Modelling of Flavanoid Derivatives from Leucaena leucocephala as Anti-UV Alfanaar, Rokiy; Manurung, Tety Wahyuningsih; Ariefin, Mokhamat
Stannum : Jurnal Sains dan Terapan Kimia Vol 6 No 1 (2024): April 2024
Publisher : Department of Chemistry - Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jstk.v6i1.4396

Abstract

While UV light has benefits for life, excessive exposure to UV light also has negative effects on humans. Examples of the negative effects of UV exposure include cancer. Therefore, the exploration for materials that can be used as anti-UV continues to grow. One of them is extract from Leucaena leucocephala leaves. To study the potential of a compound as anti-UV, one method can use a molecular modeling approach using the semi-empirical method. Based on this, 8 flavone-derived compounds contained in L. leucocephala leaf extract were modeled with a semi-empirical approach using the PM3 method, and electronic-transition was calculated using ZINDO/S. The geometry optimization results showed that the bond length between carbon atoms in flavonoid tururnans did not change significantly with the difference in functional groups. However, there is a significant difference in the dihedral angle of the compound due to the repulsion of functional groups. The results of the electronic transition calculation showed that all flavonoid derivatives 1-8 are active in the UV A, UV B, and UV C regions. So it can be said that flavones 1-8 have potential as anti-UV. In addition, the energy level of HOMO-LUMO compounds was also calculated. Flavonoid 1 has the smallest Eg while flavonoid 8 has the largest Eg
Review: Inovasi Membran Terinkorporasi dengan Enzim Lakase: Solusi Efisien dan Ramah Lingkungan dalam Pengolahan Air Krissilvio, Eka Jhonatan; Pasaribu, Marvin Horale; Ariefin, Mokhamat; Manurung, Tety Wahyuningsih
Chemica: Jurnal Ilmiah Kimia dan Pendidikan Kimia Vol 26, No 2 (2025): CHEMICA
Publisher : Jurusan Kimia FMIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/chemica.v26i2.71230

Abstract

Air adalah sumber daya alam yang dibutuhkan untuk kelangsungan metabolisme manusia dan semua makhluk hidup. Keberadaan polutan dalam air, seperti zat warna dari industri tekstil telah menjadi masalah serius yang mengancam lingkungan dan kesehatan manusia. Pentingnya menjaga keberlanjutan sumber daya alam, terutama air, telah memicu penelitian dalam mengatasi pencemaran air oleh polutan seperti zat warna dari industri tekstil. Dalam konteks ini, teknologi enzim terinkorporasi dalam membran muncul sebagai solusi inovatif. Membran enzim menggabungkan efisiensi teknologi membran dalam pemisahan molekul mikro dengan kemampuan enzim mengoksidasi senyawa organik kompleks, termasuk zat warna. Lakase, sebuah enzim multitembaga yang umumnya ditemukan pada tumbuhan, serangga, dan jamur, telah digunakan untuk mengurai zat warna sulit dihilangkan. Penggunaan membran terinkorporasi dengan enzim lakase telah membawa terobosan signifikan dalam sistem filtrasi air. Lakase tidak hanya efisien dalam memisahkan zat warna, tetapi juga ramah lingkungan karena menggunakan reaksi biokimia alami tanpa bahan kimia tambahan yang merusak ekosistem air.
Electrochemical Oxidation of Methylene Blue Using Carbon Electrode from Battery Waste Hakim, Supwatul; Tety Wahyuningsih Manurung; Dwi Hermayantingsih; Mokhamat Ariefin
Helium: Journal of Science and Applied Chemistry Vol. 4 No. 2 (2024): Helium: Journal of Science and Applied Chemistry
Publisher : Study Program of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/helium.v4i2.4

Abstract

Methylene blue in the environment can disrupt the ecosystem because it does not decompose easily. Therefore, this research aims to oxidize methylene blue using an electrochemical oxidation method. The electrochemical oxidation of methylene blue was successfully carried out using carbon electrodes from battery waste. The influence of pH value and electrolysis time was successfully investigated using a UV-Vis spectrophotometer, and the decreased absorbance (DA(%)) was also analyzed. Based on the results, the optimum pH for electrochemical oxidation with a carbon electrode is at pH 1. It was possible to reduce the absorbance at this pH with a decreased absorbance of 56%. There was a decrease in absorption in the UV and visible regions. The optimum time for methylene blue electrochemical oxidation was 15 minutes, with a decreased absorbance percentage at 100%. The electrochemical oxidation method is simple and easy to use. This finding can be an excellent and effective wastewater treatment method.
Peningkatan Kemandirian Kesehatan Masyarakat melalui Produksi Herbal Berbasis Tanaman TOGA Kearifan Lokal oleh Ibu-Ibu PKK Desa Bahu Palawa Pasaribu, Marvin Horale; Manurung, Tety Wahyuningsih; Surbakti, Ranintha Br.; Ariefin, Mokhamat; Oktaviani, Revalina; Syaputra, Noor Angga
Jurnal SOLMA Vol. 15 No. 1 (2026)
Publisher : Universitas Muhammadiyah Prof. DR. Hamka (UHAMKA Press)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/solma.v15i1.20875

Abstract

Background: Pemanfaatan Tanaman Obat Keluarga (TOGA) sebagai bahan baku jamu tradisional berpotensi meningkatkan derajat kesehatan sekaligus membuka peluang ekonomi bagi masyarakat desa. Namun, keterbatasan pengetahuan dan keterampilan ibu-ibu PKK di Desa Bahu Palawa dalam mengolah TOGA menyebabkan pemanfaatannya belum optimal. Kegiatan pengabdian masyarakat ini bertujuan meningkatkan kemampuan peserta dalam memproduksi jamu serbuk jahe dan berbagai variasi wedang seduh berbasis kearifan lokal. Metode: Program dilaksanakan melalui tahapan sosialisasi, pelatihan, praktik demonstrasi, serta evaluasi pengetahuan dengan pre-test dan post-test, dilengkapi dengan uji organoleptik produk. Peserta dilatih mulai dari persiapan bahan, teknik pengeringan menggunakan oven dryer, formulasi komposisi bahan, hingga pengemasan produk akhir. Hasil: Evaluasi menunjukkan peningkatan signifikan pemahaman peserta, dengan nilai rata-rata pre-test 32,3% meningkat menjadi 91,0% pada post-test. Uji organoleptik juga memperlihatkan penerimaan yang tinggi, di mana 80–90% responden menyatakan suka hingga sangat suka terhadap warna, rasa, dan aroma produk jamu yang dihasilkan. Produk utama berupa jamu serbuk jahe, wedang hangat menyegarkan, wedang rempah pahit manis, dan wedang siru biru dinilai memiliki manfaat kesehatan yang relevan, seperti menjaga daya tahan tubuh, membantu pencernaan, dan mendukung kesehatan jantung. Kesimpulan: Kegiatan ini berhasil meningkatkan pengetahuan dan keterampilan ibu-ibu PKK dalam mengolah TOGA menjadi produk herbal bernilai tambah. Selain berkontribusi pada kemandirian kesehatan keluarga, program ini juga membuka peluang usaha desa berbasis kearifan lokal yang berkelanjutan.
DFT-Based Molecular Analysis of Imidazole Derivatives as Additives to Enhance Ionic Conductivity in Polymer Electrolyte Membranes Marvin Pasaribu; Mokhamat Ariefin; Sun Theo Constan Lotebulo Ndruru; Ferdinand Hidayat; Multazam
CHEESA: Chemical Engineering Research Articles Vol. 8 No. 1 (2025)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/cheesa.v8i1.22136.13-22

Abstract

The demand for efficient and stable lithium-ion batteries has driven research on advanced polymer electrolyte membranes (PEM) with improved ionic conductivity. This study investigated imidazole and its derivatives as additives in PEM to enhance battery performance. Using Density Functional Theory (DFT) with the def2-TZVP basis set, key quantum parameters such as HOMO-LUMO energies, energy gap (?Egap), electronegativity (?), softness (?), electron transfer fraction (?N), and net electrophilicity (??) were analyzed. Results showed that imidazole derivatives with electron-withdrawing groups, like acrylate and tosyl, had lower ELUMO and smaller ?Egap, improving lithium ion (Li?) interactions and mobility within the polymer matrix. Additionally, compounds with high ? and ?, such as BTIM and BZIM, enhanced ion stabilization and transport, leading to better electrolyte performance. Thus, modifying imidazole structures through specific substitutions is a promising approach to optimize PEM, supporting the development of more efficient and stable lithium-ion batteries.
Co-Authors Alfanaar, Rokiy Ansori Rahman Ariska, Risya Ayu Puspita Sari Ayuchecaria, Noverda Bela D Bibit Harianto Cahyani, Risfiah Cahyani, Risfiah Ruli Dicky Perwira Ompusunggu Dominikus Diki Wahyudi Dongoran, Junita Dwi Hermayantingsih Efriyana oksal Elvina Dhiaul Iftitah Esintia Kristia Fatchiyatun Ni’mah Febriana Kesuma, Ruth Ferdinand Hidayat Hakim, Muh. Supwatul Hakim, Supwatul Harianto, Bibit Hermayantiningsih, Dwi Hermayatiningsih, Dwi Isaura Silalahi, Anastasya Jeddah Yanti Kalalinggi, Septaria Yolan Komara, Nisa Kartika Krissilvio, Eka Jhonatan Lidya Tesalonika Lilis Rosmainar Maknun, Luluil Marvin Horale Pasaribu Marvin Pasaribu Muhammad Hilmi Afthoni Multazam Nababan, Jessicca Nainggolan, Yuni Natania Gracia, Amanda Ni Wayan Prema Mulya Sari Ni Wayan Prema Mulyasari Ni'mah, Fatchiyatun Oksal, Efriyana Oktaviani, Revalina Paksi, Pandu Gizta Rapi Pramudita, Dimas Prianus, Okta Purba, Abed Nego Rahmi Wulandari, Oktavia Remi Ayu Pratika Retno Agnestisia Risfa Aliya Al-Hadi Rizki Rachmad Saputra Roil Bilad, Muhammad Ryu Pratiwi, Djihan Sari, Meiyanti Ratna Kumala Simangunsong, Sri Yulandari Simbolon, Wenika Siska, Amelia Siti Misbah Aisah Steven , Kur Yehezkiel Sugiani, Tina Sulistiawati, Putri Suma, Joy Angel Aria Sun Theo Constan Lotebulo Ndruru Surbakti, Ranintha Br. Syaputra, Noor Angga Syarpin syarpin syarpin, syarpin Tampubolon, Mulani Jeni Lestari Tety Wahyuningsih Manurung Titik Andriani, Titik Utami Irawati Vety Sri Harlinda Ayudha Wahyuningsih Manurung, Tety Yolan Kalalilinggi, Septaria Yuliana Yuneta Yuyun Yuniarti, Yuyun