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All Journal Alchemy : Journal of Chemistry CHEMPUBLISH JOURNAL Pharmascience Jurnal Geografi Indonesian Journal of Chemical Analysis (IJCA) Molekul: Jurnal Ilmiah Kimia Journal of Appropriate Technology for Community Services Bubungan Tinggi: Jurnal Pengabdian Masyarakat Community Empowerment Jurnal Farmasi dan Sains Indonesia (JFSI) Journal of Experimental and Clinical Pharmacy (JECP) Welfare: Jurnal Pengabdian Masyarakat Bohr: Jurnal Cendekia Kimia NAWASENA: Journal of Community Service
Rizki Rachmad Saputra
Department Of Chemistry, Faculty Of Mathematics And Science, Universitas Palangka Raya, Palangka Raya 73112, Central Kalimantan, Indonesia
Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Dentistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Public Health Social Sciences Other

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Building A Strong Culture with Safety and Security Management Education in The Science Laboratory of SMAN 4 Palangka Raya: Membangun Budaya yang Kuat dengan Pendidikan Manajemen Keselamatan dan Keamanan di Laboratorium Sains SMAN 4 Palangka Raya Riandy Putra; Marvin Horale Pasaribu; Junita Dongoran; Rizki Rachmad Saputra
NAWASENA : JOURNAL OF COMMUNITY SERVICE Vol. 1 No. 01 (2023): Vol 01 No 01 2023
Publisher : NAWASENA : JOURNAL OF COMMUNITY SERVICE

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Abstract

Abstrak Laboratorium adalah tempat untuk melakukan percobaan maupun pelatihan. Budaya keselamatan dan keamanan harus dipromosikan di laboratorium, di mana eksperimen dan pelatihan dilakukan, untuk menjadikan ruang tersebut sebagai tempat yang aman untuk pembelajaran, penelitian, dan pekerjaan. Baik pengelola maupun pengguna sama-sama bertanggung jawab atas administrasi keselamatan dan keamanan laboratorium sains, sehingga setiap orang yang terlibat harus menyadari hal ini dan merasa berkewajiban untuk mengatur, memelihara, dan bekerja demi keselamatan tempat kerja. Beberapa pengguna fasilitas laboratorium yang perlu memahami manajemen keselamatan dan keamanan laboratorium antara lain guru SMA dan personel siswa. Masih banyak sekolah yang belum memberikan perhatian penuh pada mata pelajaran keselamatan dan keamanan kerja. Selain itu, keselamatan dan keamanan kerja di sekolah masih belum diterapkan sesuai dengan standar keselamatan dan keamanan kerja yang relevan. Berdasarkan hal tersebut, SMAN 4 Palangka Raya akan menjadi tuan rumah aksi pengabdian masyarakat ini. Bimbingan keselamatan dan keamanan kerja di SMAN 4 Palangka Raya bertujuan untuk melindungi kesehatan dan keselamatan siswa saat mengikuti pelajaran yang melibatkan bahan kimia dan peralatan listrik yang menimbulkan risiko serius bagi keselamatan mereka. Abstract Laboratories are places to conduct experiments and training. A culture of safety and security should bepromoted in laboratories, where experiments and training are conducted, to make the space a safe place forlearning, research and work. Both managers and users are equally responsible for the administration of sciencelaboratory safety and security, so everyone involved should be aware of this and feel obligated to organize,maintain and work towards workplace safety. Some users of laboratory facilities who need to understandlaboratory safety and security management include high school teachers and student personnel. There are stillmany schools that have not given full attention to occupational safety and security subjects. In addition,occupational safety and security in schools is still not implemented in accordance with relevant occupationalsafety and security standards. Based on this, SMAN 4 Palangka Raya will host this community service action.Occupational safety and security guidance at SMAN 4 Palangka Raya aims to protect students' health and safetywhile taking part in lessons involving chemicals and electrical equipment that pose serious risks to their safety.
Claisen Rearrangement Toward Cyclic Compound on Different Organic Synthesis Methods: Short Review Saputra, Rizki Rachmad; Rosalina, Reny; Pramudita, Dimas; Wulandari, Oktavia Rahmi; Yuneta, Yuneta; Gracia, Amanda Natania; Sugiyani, Tina; Imelya, Marsya
Chempublish Journal Vol. 7 No. 2 (2023): Chempublish Journal
Publisher : Department of Chemistry, Faculty of Science and Technology Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/chp.v7i2.26053

Abstract

The synthesis of functional and complex organic compounds is majorly performed by the Claisen rearrangement method. Claisen rearrangement is one of [3,3] sigmatropic rearrangements, a complex method in the synthesis of organic compounds, where it is mostly used to construct stereoselective compounds. It can be combined with other synthesis methods to synthesize organic compounds giving satisfactory results based on the method used, temperature, time, and yield produced. This review aimed to summarize several recent advances in synthesizing organic compounds through Claisen rearrangement reactions. An understanding of the mechanism and applications of this reaction might improve the ability to synthesize innovative and useful organic compounds in various fields of life sciences.
Anticaries Potential of Temu Kunci-Serai Ethyl Acetate Extract Combination: In Vitro and Molecular Studies Approach Priyadi, Muhammad; Saputra, Rizki Rachmad
Chempublish Journal Vol. 7 No. 1 (2023): Chempublish Journal
Publisher : Department of Chemistry, Faculty of Science and Technology Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/chp.v7i1.26098

Abstract

Dental caries is one of the problems in dental disorders suffered by many people. There have been many ways of handling such as using temu kunci and lemongrass plants. This study aims to determine the antibacterial activity of caries in vitro and predict the mechanism of action of the bacteria that cause caries Streptococcus mutans.  Temu kunci and lemongrass were extracted using ethyl acetate solvent. antibacterial tests against Streptococcus mutans were carried out using diffusion tests with a combination treatment of temu kunci: serai extracts 5% b/v: 5% b/v, 5% b/v: 10% b/v, and 10% b/v: 5% b/v. The positive control used amoxicillin and DMSO as a negative control. Potency as an anticaries drug of drived compound from Temu Kunci and Serai were evaluated by molecular docking using glucosyltransferase (3AIC). The results showed that the combination of temu kunci and serai with concentration 10% b/v: 5% b/v has potential as anticaries against Streptococcus mutans. Molecular studies depicted that Panduratin A, Isopanduratin, and 1,3-O-di-p-coumaroylglycerol have great activity toward 3AIC, respectively. Especially for Panduratin A and Isopanduratin, those compound depicted great and similar binding affinity (-8.4 kcal mol-1) that lower than Acarbose as native ligand  (-8.3 kcal mol-1). Furthermore, those compound binding similarity ilustrated activity mechanism similarly with native ligand toward receptor. Additionally, the profiling drug-target interaction suggested Temu Kunci’s derived compounds have great potential as anticaries treatment.   
Exploring the Viability of Waste Durian (Durio zibethinus) Seeds and Cempedak (Artocarpus integer) Seeds as Nutritive Resources: An Analytical Study of Their Suitability via Alcohol and Glucose Assays Syarpin, Syarpin; Saputra, Rizki Rachmad; Haliza , Nur; Anista, Anista; Yanti, Helda; Sisilya, Tahsya Amanda; Fahmi, Rifaldi Lutfi
Chempublish Journal Vol. 7 No. 2 (2023): Chempublish Journal
Publisher : Department of Chemistry, Faculty of Science and Technology Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/chp.v7i2.27983

Abstract

Durian (Durio zibethinus) and Cempedak (Artocarpus integer), prominent staples in Indonesia, harbor seeds that can be harnessed for the production of 'Tapai', a traditional fermented product. This fermentation process within cempedak and durian seeds manifests in the generation of alcohol and glucose at discernible thresholds. Motivated by the prevalent underutilization of durian and cempedak seeds leading to wastage, this study aims to assess the viabilities of Tapai derived from these seeds by scrutinizing their alcohol and glucose profiles. Employing a quantitative descriptive approach, the research centers on cempedak and durian seed Tapais as the primary samples. Focusing on variables like alcohol and glucose content, the investigative technique incorporates distillation and titration using the Luff Schoorl method. Results are subsequently organized in frequency distribution tables following coding and tabulation. Observations reveal that alcohol and glucose levels in cempedak seed Tapai on the 10th day stand at 0.00% and 30.05%, respectively, while on the 15th day, they escalate to 4.88% and 41.92%. In the case of durian seed Tapai, levels on the 10th day are recorded at 4.88% for alcohol and 36.90% for glucose. On the 15th day, these figures rise to 16.57% for alcohol and 46.53% for glucose. Ultimately, this study underscores that the alcohol and glucose concentrations in cempedak and durian seed Tapais experience progressive augmentation over a 5-day period, rendering them safely consumable in moderate quantities.
Pengaruh Gugus terhadap Kesetimbangan Keto Enol pada Senyawa Turunan Kurkumin Saputra, Rizki Rachmad; Kalalinggi, Septaria Yolan
Bohr: Jurnal Cendekia Kimia Vol 1 No 01 (2022): Bohr: Jurnal Cendekia Kimia Vol 01 No 01
Publisher : Program Studi Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/bohr.v1i01.5653

Abstract

Kurkumin merupakan senyawa aktif yang ditemukan pada kunir, berupa polifenol dengan rumus kimia C21H20O6. Kurkumin memiliki dua bentuk tautomer yaitu keto dan enol. Senyawa-senyawa kurkuminoid terdapat dalam berbagai jenis turunannya. Maka dari itu digunakan sebanyak 25 jenis turunan dari kurkuminoid untuk dilakukan analisa secara komputasi. Analisa ini akan dilakukan dengan menggunakan tiga metode yaitu metode semi empirik AM1, PM3 dan RM1. Hasil yang didapat bentuk keto memiliki energi yang lebih rendah dari pada bentuk enol, hal ini dibuktikan dengan nilai tetapan kesetimbangan yang 21 dari 25 senyawa turunan kurkuminoid memiliki nilai kurang dari satu. Sehingga terlihat bahwa bentuk keto lah yang paling disukai dalam kesetimbangan. Pada saat bentuk keto panjang ikatan rantai karbon memiliki panjang rerata 1.419-1.53435 Å. Sedangkan dalam bentuk enol panjang ikatan karbonnya berkurang dengan rerata 1.3814-1.50251 Å.
Kajian Etnobotani Tanaman Khas yang Dimanfaatkan oleh Masyarakat Kalimantan Kalalinggi, Septaria Yolan; Saputra, Rizki Rachmad; Wulandari, Oktavia Rahmi; Gracia, Amanda Natania; Imelya, Marsya
Bohr: Jurnal Cendekia Kimia Vol 2 No 02 (2024): Bohr: Jurnal Cendekia Kimia Vol 02 No 02
Publisher : Program Studi Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Palangka Raya

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Abstract

Kalimantan merupakan salah satu wilayah di Indonesia yang mempunyai keanekaragaman tumbuhan sangat tinggi. Tumbuhan maupun tanaman khas yang berada di sekitar Kalimantan perlu dikaji agar mengetahui potensi dari tanaman khas berdasarkan dari bagian yang digunakan. Metode pengumpulan data berdasarkan studi pustaka. Terdapat 9 jenis tanaman yang dikaji berdasarkan penelusuran yang telah diperoleh berdasarkan informasi studi Pustaka, diantaranya tewu tadung (G. speciosum), sangkareho (Callicarpa longifolia), bajakah tampala (Spatholobus littoralis Hassk), bawang dayak (Eleutherine americana Merr), pulantan (Alstonia scholaris), ulap (Baccaurea motleyana Merr), laban (Vitex pubescens Vahl), rambusa (Passiflora foetida L), dan anggrek uwei menyame (Bromheadia finlaysoniana). Berdasarkan hasil yang diperoleh menunjukkan masyarakat Kalimantan menggunakan bagian tanaman seperti akar, daun, batang, biji, kulit buah, daging buah, siung bawang, getah, dan kulit kayu. Selain itu, pemanfaatan oleh masyarakat setempat banyak menjadikan tanaman khas sebagai obat, bahan pangan, dan tanaman hias.
Pendampingan Branding, Packaging, dan Digital Marketing Tingkatkan Penjualan Madu Kelulut Desa Tuwung Yuliana, Yuliana; Agnestisia, Retno; Saputra, Rizki Rachmad; Pasaribu, Marvin Horale
Journal of Appropriate Technology for Community Services Vol. 6 No. 1 (2025)
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jattec.vol6.iss1.art2

Abstract

Tuwung Village, located in the Kahayan Tengah District, Pulang Pisau Regency, Central Kalimantan, has significant potential in managing social forestry land to support food security. The local community, organized in the Social Forestry Business Group (KUPS), has successfully cultivated 120 hives of stingless bees (Trigona sp.), with monthly production capacity of up to 350 mL per hive. Although honey production is abundant, its sales remain very limited due to a marketing strategy that relies solely on word-of-mouth promotion. Therefore, this community service activity was introduced to provide guidance to KUPS Madu Kelulut on branding, product packaging, and digital marketing. With an attractive brand, high-quality packaging, and the right marketing strategy, it is hoped that the stingless bee honey business can become more competitive in a market already saturated with similar products. This community service program involved several stages, including preparation, implementation, and evaluation. The activity was carried out on July 9, 2024, with 40 participants. The evaluation results indicated an 81.25% increase in participants' understanding of branding, product packaging, and digital marketing. Furthermore, the participants successfully created the brand "Madu Kelulut Nyai Hapu," with an appealing packaging design and effective promotional content shared through social media and e-commerce platforms.
Sosialisasi Standar Kualitas Air Bersih dan Solusi Penanganan Air Asam bagi Warga Perumahan Casadova Saputra, Rizki Rachmad; Oksal, Efriyana; Alfanaar, Rokiy
Welfare : Jurnal Pengabdian Masyarakat Vol. 3 No. 1 (2025): Welfare : March 2025
Publisher : Fakultas Ekonomi dan Bisnis Islam, IAIN Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30762/welfare.v3i1.2171

Abstract

Clean water quality is a crucial factor in people's lives, especially for residents of Casadova Housing, Menteng, Palangka Raya, who rely on shallow wells as their main source of water. The results of the study showed that well water in this area still contains an unpleasant odor and has a low pH level (4.5), which does not meet the standards of the Minister of Health Regulation No. 32 of 2017. Therefore, this community service activity aims to socialize clean water quality standards and provide solutions for handling acidic water for local residents. The implementation method includes counseling, demonstration of simple filtration technology, and technical assistance in improving water quality. The results of the activity showed an increase in residents' understanding of clean water standards and the application of simple technologies, such as the use of lime and aeration, to reduce the acidity level of water. It is hoped that this activity can improve the quality of life of residents with access to healthier and more consumable water.
Measuring The Spatio-Temporal Distribution of Sulfur Dioxide (SO2) with Copernicus Sentinel-5P Near Real Time in Medan City Yanti, Jeddah; Tampubolon, Togi; Liu, Chian-Yi; Alonge, Titus Adeyemi; Qaiyimah, Dinil; Abidin, Muh Rais; Mannan, Abdul; Saputra, Rizki Rachmad
JURNAL GEOGRAFI Vol. 16 No. 1 (2024): JURNAL GEOGRAFI
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jg.v16i1.55297

Abstract

This study aims to monitor the impact of sulfur dioxide (SO2), a significant contributor to atmospheric corrosion and associated with air pollution, in urban and industrial areas through empirical models of spatial distribution and temporal estimation in Medan. Datasets of Sentinel 5P NRTI are worth using to monitor the formation of sulfate aerosols or SO2 emissions from natural sources and anthropogenic origin in near real-time from 2019 until 2023 on the local scale, Medan. The source dataset covers 1,11 km of spatial image resolution on orbital in daily revisit time with a spectral bound between the ultraviolet and the shortwave infrared. The measurement of atmospheric SO2 concentrations is generated by enumerating the SO2 vertical column density technique at the soil surface with the cloud-based platform The Earth Engine (EE) Code Editor to handle large data sizes and produce interactive mapping. Based on the availability of auxiliary results, the number of spreading SO2 concentrations fell from 0,92 mmol/m2 in 2019 to 0,41 mmol/m2 in 2023, a reduction of 49.98 percent. The average of SO2 concentrations has decreased substantially over the years. Consequently, these pollutants have recorded long-term health and meteorological parameters impact that substances can rise or reduce acid rain.Keywords: Air pollution, Meteorological parameters, Sentinel 5P NRTI, SO2
Co-Authors Abdul Mannan Abed Nego Purba Abidin, Muh Rais Alfanaar, Rokiy Alonge, Titus Adeyemi Anggun Tanduwinata Anista, Anista Ansori Rahman Ariska, Risya Aulanni'am Aulanni'am Ayu Puspita Sari Bela D Chian-Yi Liu Citrariana, Shesanthi Decenly Decenly Decenly, Decenly Dicky Perwira Ompusunggu Dominikus Diki Wahyudi Dongoran, Junita Dwijayanti, Rts. Sherly Erwin Prasetya Toepak Esintia Kristia Fahmi, Rifaldi Lutfi Fauziah, Anisa Rahma Gracia, Amanda Natania Gunawan, Yohanes E Gunawan, Yohanes Edy Haliza , Nur Harianja, Henrigen Helmi Auliyah Istiqomah Imelya, Marsya Jamilah Jamilah Jeddah Yanti Junita Dongoran Kalalinggi, Septaria Yolan Liu, Chian-Yi Maknun, Luluil Mannan, Abdul Marvin Horale Pasaribu Mokhamat Ariefin Muh Rais Abidin Muhammad Priyadi Ni Luh Kemmy Caesaria Ni Wayan Prema Mulya Sari Oksal, Efriyana Okta Prianus Paksi, Pandu Gizta Rapi Pramudita, Dimas Prianus, Okta Purba, Abed Nego Qaiyimah, Dinil Reny Rosalina, Reny Retno Agnestisia Rian Ka Praja Riandy Putra Sari, Meiyanti Ratna Kumala Simangunsong, Sri Yulandari Sisilya, Tahsya Amanda Siska, Amelia Siti Misbah Aisah Sugiyani, Tina Sulistiawati, Putri Suma, Joy Angel Aria syarpin, syarpin Tampubolon, Mulani Jeni Lestari Thathit Suprayogi Titus Adeyemi Alonge Togi Tampubolon Togi Tampubolon Wulandari, Oktavia Rahmi Yahya Febrianto Yanti, Helda Yuliana Yuliana Yuliana Yuneta, Yuneta