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All Journal CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry) Masyarakat, Kebudayaan dan Politik Indonesian Journal of Chemistry Jurnal PAJAR (Pendidikan dan Pengajaran) Chemistry Indonesian Journal of Chemical Research BIOSFER : Jurnal Biologi dan Pendidikan Biologi Bubungan Tinggi: Jurnal Pengabdian Masyarakat Optika : Jurnal Pendidikan Fisika Jurnal Pengabdian UNDIKMA Mitra Mahajana: Jurnal Pengabdian Masyarakat Jurnal Teknik Kimia dan Lingkungan Journal Of Carbazon
Yulius Saprianus Dala Ngapa
Universitas Flores
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Nursing Physics Public Health Social Sciences Other

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Optimasi Adsorpsi Kompetitif Pewarna Biru Metilena dan Metil Oranye Menggunakan Adsorben Zeolit Alam Ende - Nusa Tenggara Timur (NTT) Ngapa, Yulius Dala; Ika, Yasinta Embu
Indonesian Journal of Chemical Research Vol 8 No 2 (2020): Edition for September
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/ijcr.2020.8-ydn

Abstract

Waste from the textile industry is considered as a potential source of environmental pollution, especially water because it contains dangerous dyes. In this research, natural zeolite is used as an effective and efficient alternative adsorbent to overcome pollution caused by methylene blue and methyl orange dyes. Activation of natural zeolite was carried out with 3 M HCl solution and was characterized using X-Ray Diffraction (XRD) and Scanning Electron Microscope (SEM). While the methylene blue and methyl orange adsorption processes were studied in variations in the weight of the adsorbent, contact time, and pH. The concentration of dyes left in the solution was observed with Spectrophotometer UV-Vis. The results showed that the adsorption capacity of natural zeolite in absorbing methylene blue was 21.189 mg/g and methyl orange was 18.208 mg/g. The optimum conditions of methylene blue and methyl orange adsorption are achieved with successive adsorbent weights 0.3 g and 0,4 g, successive contact times are 60 minutes and 90 minutes, and successive pH are 6 and 2 respectively. The adsorbent weight factor, contact time, and pH have an effect on the adsorption of methylene blue and methyl orange by natural zeolite from Ende.
Montmorillonite-Chitosan as a Biocomposite Encapsulation for Ibuprofen in Drug Release Afifi, Muhammad Ridho; Irwandi, Dodi; Safitri, Eka; Syafei, Dedri; Ngapa, Yulius Dala
Journal of Carbazon Vol 2, No 2 (2024): December 2024
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jocarbazon.v2i2.42149

Abstract

Ibuprofen is a type of anti-inflammatory drug. However, its use faces challenges in the medical field due to its rapid degradation, low bioavailability, limited solubility, and high permeability. One approach to address these issues is the encapsulation of ibuprofen by coating it with Montmorillonite (MMT) and Chitosan (CS) to control the released dosages of Ibuprofen. MMT and CS were used to coat ibuprofen using four methods. These methods were compared through dispersing MMT in water, mixing with chitosan, and combining ibuprofen under different conditions. Subsequently, tests were conducted on ibuprofen coated with MMT-CS, including morphology, efficiency, and release profile. The most effective method for controlling ibuprofen release was shown in the third method, where MMT-CS was first modified, and then ibuprofen was added to the modified MMT-CS. This method showed the highest encapsulation efficiency of 61.51%, the best release profile with 21.59% ibuprofen release within 90 minutes, and the most uniform encapsulation morphology. These studies indicated that the MMT-CS biocomposite effectively improves ibuprofen release efficiency, potentially enhancing therapeutic outcomes while reducing side effects of ibuprofen.
Pelatihan Penyusunan Proposal Penelitian Tindakan Kelas Untuk Meningkatkan Kompetensi Profesional Guru MTs Negeri 3 Ende Melkyanus Bili Umbu Kaleka; Hamsa Doa; Ilyas Ilyas; Yulius Saprianus Dala Ngapa; Richardo Barry Astro; Yasinta Embu Ika
Jurnal Pengabdian UNDIKMA Vol. 3 No. 2 (2022): August
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v3i2.5315

Abstract

The purpose of this training activity is so that the teachers of MTsN 3 Ende can prepare proposals for Classroom Action Research, carry out Classroom Action Research, and can also report the results of Classroom Action Research. The method of activity in the form of training consists of 3 stages, namely planning, implementation and evaluation. The target of the service is all 20 MTsN 3 teachers. The evaluation instrument is using test questions and performance. The test was given to determine the teacher's understanding of the basic concepts and procedures for implementing Classroom Action Research. The results of the implementation of service activities for teachers at MTsN 3 Ende are included in the quite successful category with an average success of 60%. Thus, the implication of this training activity is that it is able to provide good results for increasing the competence of teachers' professionalism.
POTENSI ZEOLIT ALAM ENDE SEBAGAI ADSORBEN PADA PEMURNIAN BIOETANOL DENGAN METODE ADSORPSI Ngapa, Yulius Dala; Wolo, Daniel
OPTIKA: Jurnal Pendidikan Fisika Vol. 5 No. 2 (2021): OPTIKA: Jurnal Pendidikan Fisika
Publisher : Department of Physics Education, Faculty of Teacher Training and Education, Universitas Flores

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/optika.v5i2.1583

Abstract

Ketergantungan akan penggunaan bahan bakar fosil yang terus meningkat dari tahun ke tahun telah mengubah pola pikir manusia untuk mengembangkan riset terkait energi alternatif terbarukan. Bioetanol yang berasal dari hasil fermentasi nira tanaman aren (Arenga pinnata MERR) dan dikenal sebagai minuman tradisional Moke di Flores dapat diaplikasikan sebagai bahan bakar alternatif jika memiliki kemurnian di atas 99,5%. Proses adsorpsi merupakan salah satu metode yang dilakukan untuk menghasilkan bioetanol dengan kadar di atas titik azeotrop. Adsorben yang efektif digunakan sebagai molecular sieve adalah zeolit alam yang berasal dari kabupaten Ende – NTT. Peningkatan efisiensi penyerapan zeolit alam dalam pemurnian bioetanol berbahan baku Moke sudah dilakukan melalui proses aktivasi fisika dan aktivasi kimia. Penelitian ini bertujuan untuk mengetahui kadar dan kualitas bioetanol setelah pemurnian menggunakan adsorben zeolit alam Ende – NTT yang telah diaktivasi NaOH pada. Kadar bioetanol yang terdapat pada Moke sebelum dan sesudah proses adsorpsi ditentukan dengan instrumen gas kromatografi, karakterisasi zeolit alam menggunakan X-Ray Diffraction (XRD) dan Scanning Electron Microscope (SEM). Zeolit alam Ende dapat digunakan sebagai adsorben dalam meningkatkan kadar bioetanol berbahan baku Moke.
Co-Authors Afifi, Muhammad Ridho Ainun Jariyah Aloisius Harso Andrianus Nggong Antonia Fransiska Laka Cahyani, Intan Putri Daniel Wolo Dedri Syafei Dodi Irwandi, Dodi Eka Safitri Eky Erlanda Edel, Eky Erlanda Gago, Jumilah Hamsa Doa Ida Ayu Putu Sri Widnyani Ida Ayu Suci Ilyas Kaleka, Melkyanus B.U. Ludovicus Carvallo Ludovicus Carvallo Lusia Koja Kanga Marıa LS Harıyanti Melania Priska Natalia Peni Prendika, Wimpy Richardo Barry Astro Sesarius Goda Toda Valeria Jeluna Wae, Veronika P. S. M. YASINTA EMBU IKA Zaenal Abidin