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All Journal VALENSI POSITRON BULETIN FISIKA Jurnal Elementer (Elektro dan Mesin Terapan) Indonesian Journal of Chemistry Jurnal Fisika : Fisika Sains dan Aplikasinya JTM - Jurnal Teknik Mesin Magnetic: Research Journal of Physics and It’s Application Jurnal Nasional Pengabdian Masyarakat Archive: Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Kepada Masyarakat (JPKM) Zadama: Jurnal Pengabdian Masyarakat J-Icon : Jurnal Komputer dan Informatika Jurnal Pendidikan dan Pengabdian Masyarakat Molekul: Jurnal Ilmiah Kimia Wahana Fisika : Jurnal Fisika dan Terapannya
Johannes, Albert Zicko
Universitas Nusa Cendana
Religion Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Other

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LOKAKARYA PENULISAN ARTIKEL ILMIAH BAGI PENGAJAR FISIKA SMA DAN SMK KOTA KUPANG Ngara, Zakarias Seba; Pasangka, Bartholomeus; Bernandus, Bernandus; Johannes, Albert Zicko; Tarigan, Jhonson
Jurnal Pengabdian Kepada Masyarakat Vol 5 No 1 (2025): Juni 2025
Publisher : Universitas Nusa Cendana

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Abstract

Lokakarya penulisan Artikel Ilmiah (AI) bagi Pengajar (Guru-guru) SMA dan SMK di Kota Kupang telah dilaksanakan dan bertujuan untuk meningkatkan kemampuan Guru-guru Fisika SMA dan SMK di Kota Kupang dalam menulis AI dan mempublikasikannya pada jurnal terakreditasi. Lokakarya penulisan AI ini menggunakan metode ceramah, diskusi, dan tanya jawab. Melalui Lokakarya ini, Guru-guru Fisika SMA dan SMK memiliki kemampuan untuk menemukan ide, merancang metode penelitian, teknik menulis AI dan prosedur publikasi ke jurnal terakreditasi. Hasil lokakarya ini menunjukkan bahwa Guru-guru Fisika SMA dan SMK memiliki antusias yang tinggi mengikuti kegiatan ini yang ditandai dengan banyaknya pertanyaan yang diajukan tentang penulisan AI. Dengan demikian, lokakrya ini dapat meningkatkan kemampuan bagi Guru-guru Fisika SMA dan SMK untuk menemukan ide atau masalah penelitian dalam bidang Fisika, merancang metode untuk menyelesaikan masalah, menulis AI dan mengirimkan AI ke jurnal internasional atau nasional terakreditasi.
PELATIHAN KEWIRAUSAHAAN BUDIDAYA IKAN LELE BERBASIS ALAT UKUR DIGITAL BAGI ALUMNI DAN MAHASISWA Tarigan, Jonshon; Johannes, Albert Zicko; Lapono, Laura A. S.; Wahid, Abdul; Sianturi, Hery Leo; Mbiliyora, Christine
Jurnal Pengabdian Kepada Masyarakat Vol 4 No 1 (2024): Juni 2024
Publisher : Universitas Nusa Cendana

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Abstract

Tujuan dari kegiatan ini adalah untuk menumbuhkan minat dan meningkatkan keterampilan kewirausahaan di antara alumni dan mahasiswa dalam budidaya lele menggunakan alat pengukuran digital. Masa tunggu yang lama untuk mendapatkan pekerjaan bisa menjadi beban psikologis bagi lulusan baru. Oleh karena itu, Program Studi Fisika Fakultas Sains dan Teknik Universitas Nusa Cendana (FST Undana) menawarkan pelatihan kewirausahaan budidaya lele untuk alumni dan mahasiswa. Pelatihan ini berfokus pada penggunaan alat berbasis digital untuk mengukur sifat fisis guna mengoptimalkan potensi budidaya lele. Pelatihan mencakup presentasi materi, diskusi, dan praktek langsung terkait budidaya lele menggunakan alat pengukuran digital. Keberhasilan kegiatan ini dievaluasi melalui pertanyaan survei yang diberikan kepada peserta. Jawaban dari hasil survei menunjukkan pelatihan ini berhasil dijalankan dengan sangat baik. Selain itu, umpan balik dari peserta menunjukkan peningkatan motivasi untuk terlibat dalam budidaya lele.
CHARATERIZATION ON OPTICAL PROPERTIES OF CARBON NANODOTS FROM SCREW PINE LEAVES FOR COPPER ION DETECTION Ngara, Zakarias Seba; Lende, Damaris Natalia; Johannes, Albert Zicko; Bukit, Minsyharil
Jurnal Fisika : Fisika Sains dan Aplikasinya Vol 10 No 2 (2025): Jurnal Fisika : Fisika Sains dan Aplikasinya
Publisher : Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/fisa.v10i2.25384

Abstract

Here, we fabricate, characterize and synthesize the highly fluorescent carbon nanodots (C-dots) from screw pine leaves (SPL). The objectives of this research are to fabricate C-dots from SPL using the carbonization method which is followed by sonication, centrifugation and filtering processes, to charactrize the optical properties of the as-prepared C-dots, and to applied these C-dots as sensor for detection of copper (Cu2+) ions. The optical properties of the C-dots can be characterized from their absorption (Abs), photoluminescence (PL), and Fourier Transform infrared (FTIR) spectra. Whereas the application of the as-produced C-dots as sensor for Cu2+ ions detection can be investigated by the quenching of PL intensity of C-dots after coordination with Cu2+ ions. The analysis of Abs, PL, and FTIR spectra demonstrated the formation of C-dots from SPL in ethanol solutiion. These C-dots have an absorption peak at 276 nm corresponding to the π→π* transition and PL peak at 401 nm corresponding to their blue fluorescence. Fortunately, the interaction between the as-prepared C–dots and Cu2+ ions displayed the PL quenching of the C-dots with the LOD value as low as 2.85 μM. Based on these results, these C-dots exhibited the sensing system for Cu2+ ions detection
Fabrication and Synthesis of Fluorescent Carbon Nanodots from Black Sticky Rice as Probes for detection Mg2+ ions Ngara, Zakarias Seba; Mamut, Anastasia; Pingak, Redi Kristian; Johannes, Albert Zicko; Lerrick, Reinner Ishaq; Refli, Refli
Jurnal Kimia Valensi Jurnal Kimia VALENSI, Volume 11, No. 2, November 2025
Publisher : Department of Chemistry, Faculty of Science and Technology Syarif Hidayatullah Jakarta State Islamic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/jkv.v11i2.45394

Abstract

Herein, fluorescent carbon nanodots (C-dots) with average diameter of 5.51 nm were fabricated from black sticky rice by using carbonization method. These C-dots have been synthesized with magnesium (Mg2+) ions to investigate their potential application as probes for detection Mg2+ ions. The as-obtained C-dots were measured their absorption (Abs), photoluminescence (PL), and FTIR spectra, X-ray diffraction (XRD) patterns and transmission electron microscopy (TEM) image. According to their Abs spectrum, the Abs peak at 276 nm confirmed the presence of C-dots in ethanol solution. Fortunately, the PL peak at 427 nm corresponded to their blue emission color. The XRD patterns and the TEM image confirmed also the formation of amorphous state and monodispersed spherical C-dots, respectively. When the as-prepared C-dots were synthesized with Mg2+ ions, the PL intensities of C-dots quenched as increasing the concentration of Mg2+ ions. A characteristic PL quenching of the C-dots through Mg2+ chelation demonstrated the sensing system up to the detection limit of 2.98 µM. This is the first reporting the application of C-dots as sensors for detection Mg2+ ions. These findings can pave the large opportunity for application of these C-dots in sensing, bioimaging, drug delivery, and so on.
Co-Authors Abdul Wahid Abdul Wahid Ali Warsito Andreas Ch. Louk Andreas Christian Louk Andreas Christian Louk Anggi Arni Biha Ari Bangkit Sanjaya Umbu Atika S. Ahab Bartholomeus Pasangka Bernandus Bernandus Bernandus Bernandus, Bernandus Betan, Agustinus D D Bethan, Agustinus Deka Bukit, Minsyahril Bukit, Minsyharil Christine Mbiliyora Dolin Marlince Tameno Ernawati Kawa Fidelis Nitti Freinademetz Anggur Gerda Pandu Hadi I Sutaji Hery L. Sianturi Intan M.P. Dewi Jacob, Johanes Eliaser Jonshon Tarigan Julius Bunga Tedju Kristantia Mida Subah Kristina Siu Lapono, Laura A. S. Lau, Claudya Hendrika Putri Laura A. S. Lapono Lende, Damaris Natalia Lerrick, Reinner Ishaq Mamut, Anastasia Maria Lurumutin Umrisu Maria Magdaline Bupu Marselinus E. Dandara Martelda Natbais Minsyahril Bukit Minsyahril Bukit Minsyahril Bukit Minsyahril Bukit Ndii, Meksianis Z Pasangka, Bartholomeus Pascoleta Inacio Pingak, Redi Kristian Refli, Refli Renaldo Apriandi Kasa Resiona, Baltazar A T San Arnolus Kain Setiawan, Ely Sevarianus Ramli Severianus Wunda Sianturi, Hery Leo Solly Joyce M. Kase Sutaji, Hadi Imam Tanesib, Jehunias Leonidas Tarigan, Jhonson Tarigan, Jonshon Valerianus Jehadu Veronika Hoar Seran Yongki Pawe Due Yuditha Ignasia Bete Zakarias Seba Ngara