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All Journal Indonesian Journal of Chemistry Abdimas Dewantara Jurnal Bakti Masyarakat Indonesia
Anugrah, Daru Seto Bagus
Atma Jaya Catholic University Of Indonesia
Agriculture, Biological Sciences & Forestry Arts Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Social Sciences Other

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Computational Evaluation of Intermolecular Interaction in Poly(Styrene-Maleic Acid)-Water Complexes Using Density Functional Theory Daru Seto Bagus Anugrah; Laura Virdy Darmalim; Permono Adi Putro; Liana Dewi Nuratikah; Nurwarrohman Andre Sasongko; Parsaoran Siahaan; Adi Yulandi
Indonesian Journal of Chemistry Vol 21, No 6 (2021)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.67961

Abstract

The high application of Poly(styrene-maleic acid) (PSMA) in an aqueous environment, such as biomedical purposes, makes the interaction between PSMA and water molecules interesting to be investigated. This study evaluated the conformation, the hydrogen bond network, and the stabilities of all the possible intermolecular interactions between PSMA with water (PSMA−(H2O)n, n = 1–5). All calculations were executed using the density functional theory (DFT) method at B3LYP functional and the 6–311G** basis set. The energy interaction of PSMA–(H2O)5 complex was –56.66 kcal/mol, which is classified as high hydrogen bond interaction. The Highest Occupied Molecular Orbital (HOMO) – Lowest Unoccupied Molecular Orbital (LUMO) energy gap decreased with the rise in the number of H2O molecules, representing a more reactive complex. The strongest hydrogen bonding in PSMA–(H2O)5 wasformed through the interaction on O72···O17–H49 with stabilizing energy of 50.32 kcal/mol, that analyzed by natural bond orbital (NBO) theory. The quantum theory atoms in molecules (QTAIM) analysis showed that the hydrogen bonding (EHB) value on O72···O17–H49 was –14.95 kcal/mol. All computational data revealed that PSMA had moderate to high interaction with water molecules that indicated the water molecules were easily transported and kept in the PSMA matrix.
Density Functional Theory Study of Intermolecular Interactions between Amylum and Cellulose Raynardthan Pontoh; Vania Edita Rarisavitri; Christine Charen Yang; Maximilliam Febriand Putra; Daru Seto Bagus Anugrah
Indonesian Journal of Chemistry Vol 22, No 1 (2022)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.69241

Abstract

Amylum is one of the polysaccharides developed into biodegradable plastic bags. However, amylum-based plastics are easily damaged due to their low mechanical strength and hydrophilic properties. Cellulose is used as a support material in amylum-based plastics to increase strength and reduce water damage. This study investigated the molecular interactions between amylum and cellulose computationally. The minimum interaction energy of amylum and cellulose was calculated using in silico modeling using the Density Functional Theory (DFT) method. The B3LYP function and the basis set 6-31++g** were used in the calculations. Simultaneously, D3 Grimme dispersion correction was used as the effect of water solvent in the measures. The results obtained from this study were the interaction energy of amylum and cellulose of –29.8 kcal/mol. The HOMO-LUMO energy gap of the cellulose-amylum complex was lower than cellulose, indicating that the cellulose-amylum complex was more reactive and bonded to each other. Analysis of Natural Bond Orbital (NBO), Quantum Theory Atom in Molecule (QTAIM), Reduced Density Gradient (RDG), Non-covalent Interaction Index (NCI), and Intrinsic Bond Strength Index (IBSI) showed that the cellulose-amylum complex had weak to medium intermolecular bonds. The hydrogen bond at O61···H48 was the strongest in the complex. All data show that cellulose and amylum could interact through non-covalent bonds.
PENYEDIAAN SARANA CUCI TANGAN SEDERHANA UNTUK PENCEGAHAN PENYEBARAN COVID-19 DI PASAR GENTENG, SURADITA, CISAUK Listya Utami Karmawan; Widya Agustinah; Renna Eliana Warjoto; Daru Seto Bagus Anugrah; Danniella Yudianti; Illene Nanine; Eunice Catherine Witness
Jurnal Bakti Masyarakat Indonesia Vol 4, No 1 (2021): Jurnal Bakti Masyarakat Indonesia
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jbmi.v4i1.9487

Abstract

COVID-19, a source of distress in most countries, has encouraged world leaders to issue necessary policies to resolve this global pandemic. An alarming rate of infections in the community has pushed the Indonesian government to come up with the Large-Scale Social Restriction (Pembatasan Sosial Berskala Besar/PSBB). The faculty of Biotechnology of Atma Jaya Catholic University of Indonesia has since initiated a community service to halt the spread of COVID-19 by supplying simple hand washing facilities around Pasar Genteng Traditional market in Suradita, Cisauk. Prior to the installations, the traditional market lacked proper sanitizing facilities. Clean water sources such as taps are commonly situated far away from the marketplace. Traders and visitors crowd these areas each day, exponentially increasing the risk of spreading COVID-19. The crowded populations of the traditional market are a motivating factor for this community service, which aims to increase the public awareness in the prevention of COVID-19. Activities of this community service includes installations of hand washing facilities along with educational infographics of proper sanitizing procedures. A total of 21 participants attended the community service while maintaining physical distancing conditions and were encouraged to use the hand wash facilities at the end of the service. The community service was successful, providing impactful benefits towards the traders and visitors, with a raised community awareness of the importance of personal hygiene. The facilities are well maintained after 4 weeks and exemplary community awareness is displayed from their initiative that showed from the monitoring and evaluation results.  ABSTRAK:COVID-19, yang merupakan sumber penyebab keresahan berbagai negara di dunia telah menyebabkan pemerintah dunia mengeluarkan kebijakan untuk mengatasi pandemi yang terjadi secara global ini. Data di Indonesia menunjukkan angka terinfeksi yang terus meningkat sehingga pemerintah mengeluarkan kebijakan berupa Pembatasan Sosial Berskala Besar (PSBB). Oleh karena itu, Fakultas Teknobiologi Universitas Katolik Indonesia Atma Jaya berinisiatif melakukan kegiatan pengabdian masyarakat untuk menghambat tingkat penyebaran COVID-19 melalui penyediaan sarana cuci tangan sederhana di Pasar Genteng. Pasar tradisional ini terletak di kompleks Suradita, Cisauk. Sebelum kegiatan pemasangan, pasar ini kekurangan fasilitas sanitasi yang layak. Sumber air bersih seperti air sumur terletak jauh dari pasar dan belum ada akses air ledeng. Setiap hari pedagang dan pengunjung memadati pasar sehingga meningkatkan risiko penyebaran COVID-19. Oleh karena itu, kegiatan pengabdian masyarakat ini difokuskan pada pembuatan dan pemasangan fasilitas cuci tangan sederhana yang dilengkapi dengan infografis tentang cara mencuci tangan yang benar serta pembagian masker kain. Serah terima perangkat cuci tangan dan acara pembukaan dihadiri oleh 21 orang peserta dengan tetap memperhatikan protokol kesehatan. Kegiatan pengabdian masyarakat melalui penyediaan sarana cuci tangan sederhana di Pasar Genteng, Cisauk telah berlangsung dengan baik dan dirasakan manfaatnya oleh para pedagang dan pengunjung pasar. Sarana cuci tangan sederhana ini diharapkan dapat meningkatkan kesadaran masyarakat tentang pentingnya menjaga kebersihan diri dalam rangka pencegahan penyebaran COVID-19. Sarana cuci tangan tersebut masih dalam kondisi baik setelah empat minggu dan kesadaran masyarakat juga cukup baik yang terlihat dari hasil monitoring dan evaluasi.
EDUKASI PADA MASYARAKAT MENGENAI PERAN MIKROORGANISME DALAM PERUBAHAN IKLIM Daru Seto Bagus Anugrah; Dionysius Subali; Diana Elizabeth Waturangi; Rory Hutagalung; Jessica Igna Amanda
Jurnal Bakti Masyarakat Indonesia Vol 4, No 2 (2021): Jurnal Bakti Masyarakat Indonesia
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jbmi.v4i2.12624

Abstract

Climate change is a hot topic and attracts great attention because it causes a series of side effects for the environment and living organisms in the world. Microorganisms are involved in many processes in nature that can affect climate change, including the complex cycle of phosphorus, sulfur, nitrogen, oxygen, and carbon. Microorganisms also play a role in producing and reducing greenhouse gases such as carbon dioxide and methane. In addition, microorganisms can respond positively or negatively to temperature. Understanding the activity of microorganisms is very important to know their functions and uses in the development of technologies that can combat climate change itself. Currently, the general public does not yet know the functions and uses of microorganisms to combat climate change. In collaboration with the American Society for Microbiology and Nutrienvisus Technologies, the Faculty of Biology, Atma Jaya Catholic University of Indonesia, conducts community service activities through online seminars on the role of microorganisms in climate change. Seminars are held online using the Zoom conference app. The participants in this activity were 210 people, including twenty-three high school students, seventy-six students, one housewife, seventy-two lecturers, four private employees, fourteen civil servants, and ten researchers. The forms of activities carried out were the presentation of the material, question and answer sessions, and the provision of questionnaires to the participants before and after the presentation of the material. The materials given are Soil Microbiomes and Climate Changes and Bacterial Ice Nucleation, and Air Microbiology. Speakers provide material based on the literature and the results of research that has been done. Questionnaires were administered online using the Mentimeter and Kahoot apps. The questionnaire results showed an increase in participants' understanding of the role of microorganisms in climate changeABSTRAK:Perubahan iklim menjadi topik yang menarik perhatian yang besar karena menyebabkan serangkaian efek samping bagi lingkungan maupun organisme hidup di dunia. Mikroorganisme terlibat pada banyak proses di alam yang dapat mempengaruhi perubahan iklim antara lain siklus kompleks fosfor, sulfur, nitrogen, oksigen dan karbon. Mikrooganisme juga berperan dalam menghasilkan dan mengurangi gas rumah kaca seperti karbon dioksida dan metana. Selain itu, mikroorganisme dapat memberikan respon positif maupun negatif terhadap suhu. Memahami aktivitas mikrooganisme sangat penting untuk mengetahui fungsi dan kegunaan dalam pengembangan teknologi yang dapat memerangi perubahan iklim itu sendiri. Saat ini, masyarakat umum belum mengetahui fungsi dan kegunaan mikroorganisme sebagai teknologi dalam memerangi perubahan iklim. Bekerja sama dengan American Society for Microbiology dan Nutrienvisus Technologies, Fakultas Teknobiologi Universitas Katolik Indonesia Atma Jaya melakukan kegiatan pengabdian masyarakat (PKM) melalui seminar secara daring mengenai peran mikroorganisme dengan perubahan iklim. Seminar diadakan secara daring menggunakan aplikasi konferensi Zoom. Peserta yang mengikuti kegiatan ini sejumlah 210 orang meliputi 23 orang siswa SMA, 76 orang mahasiswa, 1 orang ibu rumah tangga, 72 orang dosen, 4 orang karyawan swasta, 14 orang PNS, dan 10 orang peneliti. Bentuk kegiatan yang dilakukan adalah pemaparan materi, sesi tanya jawab, dan pemberian kuesioner kepada para peserta sebelum dan sesudah pemaparan materi. Materi yang diberikan adalah Soil Microbiomes and Climate Changes dan Bacterial Ice Nucleation and Air Microbiology. Pembicara memberikan materi berdasarkan literatur dan hasil penelitian yang telah dilakukannya. Kuesioner diberikan secara daring menggunakan aplikasi Mentimeter dan Kahoot. Hasil kuesioner menunjukkan terjadi peningkatan pemahaman peserta terhadap peran mikroorganisme terhadap perubahan iklim
Pelatihan pembuatan kombucha-ekstrak bunga telang untuk masyarakat di Desa Pagedangan, Tangerang, Banten Daru Seto Bagus Anugrah; Listya Utami Karmawan; Renna Eliana Warjoto; Widya Agustinah; William Frans; Jovita Aurelia; Maria Marcella; Christian Oetomo; Jesslyn Regina Alviana; Sentia Sentia; Theresia Ferenda
ABDIMAS DEWANTARA Vol 5 No 2 (2022)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/ad.v5i2.12822

Abstract

Kombucha is a health drink made from fermented tea with Symbiotic Culture of Bacteria and Yeast (SCOBY), which can help consumers to maintain their immune systems. Due to the health benefits of Kombucha products, the Faculty of Biotechnology, Atma Jaya Catholic University of Indonesia, and the National Research and Innovation Agency (BRIN) conducted community service activities by training in making kombucha combined with butterfly tea extract. The purpose of this activity is to train the manufacture of kombucha food product-butterfly tea extract and explain the business potential of the kombucha product-butterfly tea extract to the residents of Pagedangan Village. To measure the increase in residents' knowledge, the service team conducted pre-test and post-test sessions using the quizizz application on each resident's cellphone. The results of the kombucha training in the village of Padegangan have had a positive and influential impact on increasing the knowledge of the residents who were tested using the Wilcoxon Rank Test analysis of the results of the pre-test and post-test. The material delivered to the four speakers showed positive results, which were judged by the results of filling out the event feedback link via platform forms. Overall, the training held was considered to have run smoothly.   Abstrak: Kombucha merupakan minuman kesehatan hasil fermentasi teh dengan Symbiotic Culture of Bacteria and Yeast (SCOBY) yang dapat membantu konsumennya untuk menjaga sistem imun. Dikarenakan manfaat kesehatan dari produk Kombucha, Fakultas Teknobiologi, Universitas Katolik Indonesia Atma Jaya dan Badan Riset dan Inovasi Nasional (BRIN) melakukan kegiatan pengabdian masyarakat dengan pelatihan pembuatan kombucha yang dipadukan dengan ekstrak bunga telang. Tujuan kegiatan ini adalah untuk melatih pembuatan produk pangan kombucha-ekstrak bunga telang dan memaparkan potensi usaha dari produk kombucha-ekstrak bunga telang kepada warga Desa Pagedangan. Untuk mengukur peningkatan pengetahuan warga, tim pengabdi melakukan sesi pre-test dan post-test menggunakan aplikasi quizizz pada handphone masing-masing warga. Hasil pelatihan kombucha di desa Padegangan sudah berdampak positif dan berpengaruh pada peningkatan pengetahuan warga yang diuji dengan menggunakan analisis Wilcoxon Rank Test terhadap hasil pre-test dan post-test. Penyampaian materi yang dilakukan pada keempat pembicara menunjukkan hasil yang positif yang dinilai dengan hasil pengisian link feedback acara melalui platform forms. Secara keseluruhan pelatihan yang diadakan sudah dinilai berjalan dengan lancar.
Sosialisasi implikasi minyak jelantah kepada pedagang kantin di Kampus BSD, Universitas Katolik Indonesia Atma Jaya Daru Seto Bagus Anugrah; Adeline Mayvie Wijanarko; Juan David Sinanu; Yanti Yanti; Watumesa Agustina Tan; Krismanto Rabin Chandra
ABDIMAS DEWANTARA Vol 6 No 2 (2023): Article in Press
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/ad.v6i2.15731

Abstract

Minyak jelantah adalah minyak bekas yang diperoleh dari hasil menggoreng makanan. Penggunaan minyak jelantah berulang menyebabkan penurunan kualitas lingkungan dan manusia. Minyak jelantah mengandung zat polifenol dan akrilamida yang meningkatkan risiko kanker dan penyakit lainnya. Selain itu, minyak jelantah juga mempengaruhi kualitas makanan, menyebabkan perubahan rasa dan tekstur makanan. Pembuangan minyak jelantah sembarangan menyebabkan penumpukan pada saluran air dan tempat pembuangan sampah, berdampak negatif pada ekosistem dan organisme di perairan dan tanah. Namun demikian, minyak jelantah masih dapat dimanfaatkan menjadi produk yang lebih bermanfaat. Melihat hal ini, Universitas Katolik Indonesia Atma Jaya (Unika Atma Jaya) Bersama dengan PT Ubah Limbah Indonesia bekerja sama untuk mengedukasi pedagang di kantin Atma Jaya sebagai salah satu bagian masyarakat yang sering menggunakan minyak goreng. Tujuan kegiatan ini adalah untuk meningkatkan pengetahuan pedagang mengenai minyak jelantah serta bagaimana cara mengolahnya menjadi produk lain seperti lilin aromatik. Penyampaian materi dari empat pembicara menunjukkan adanya peningkatan pengetahuan dari pedagang mengenai minyak jelantah, dilihat dari hasil pre-test dan post-test serta analisis Wilcoxon Rank Test. Secara keseluruhan, upaya kolaboratif antara Unika Atma Jaya dan PT Ubah Limbah Indonesia untuk memberikan edukasi kepada pedagang kantin telah berhasil meningkatkan pengetahuan pedagang mengenai potensi dan pengolahan minyak jelantah.   Socialisation of the implications of used cooking oil to the canteen vendors at the BSD Campus of Universitas Katolik Indonesia Atma Jaya   Abstract: Used cooking oil is the residual oil obtained from frying food. Repeated use of used cooking oil leads to a decline in environmental and human quality. Used cooking oil contains polyphenols and acrylamide compounds that elevate cancer risk and other diseases. Furthermore, used cooking oil affects the quality of food, inducing alterations in taste and texture. Improper disposal of used cooking oil results in accumulation within waterways and waste disposal sites, adversely impacting ecosystems and aquatic and terrestrial organisms. Nevertheless, there is potential to repurpose used cooking oil into more beneficial products. Recognizing this, Atma Jaya Catholic University of Indonesia (Unika Atma Jaya), in collaboration with PT Ubah Limbah Indonesia, endeavors to educate vendors at the Atma Jaya canteen, a segment of society that frequently employs cooking oil. This initiative aims to enhance vendors' understanding of used cooking oil and its transformation into alternative products such as scented candles. Delivery of content by four presenters demonstrates an improvement in vendors' comprehension of used cooking oil, evident from pre-test and post-test results and Wilcoxon Rank Test analysis. Overall, the collaborative effort between Unika Atma Jaya and PT Ubah Limbah Indonesia to educate canteen vendors has effectively elevated their knowledge regarding the potential and processing of used cooking oil.
Co-Authors Adeline Mayvie Wijanarko ADI YULANDI Christian Oetomo Christine Charen Yang Danniella Yudianti DIANA ELIZABETH WATURANGI Dionysius Subali Eunice Catherine Witness Illene Nanine Jessica Igna Amanda Jesslyn Regina Alviana Jovita Aurelia Juan David Sinanu Krismanto Rabin Chandra Laura Virdy Darmalim Liana Dewi Nuratikah LISTYA UTAMI KARMAWAN Listya Utami Karmawan Maria Marcella Maximilliam Febriand Putra Nurwarrohman Andre Sasongko Parsaoran Siahaan Permono Adi Putro Raynardthan Pontoh Renna Eliana Warjoto Rory Hutagalung Sentia Sentia Tan Watumesa Agustina Theresia Ferenda Vania Edita Rarisavitri Warjoto, Renna Eliana WIDYA AGUSTINAH William Frans Yanti Lim