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All Journal Jurnal Geliga Sains: Jurnal Pendidikan Fisika Jurnal Sains Dasar Jurnal Sains dan Teknologi Jurnal Neutrino : jurnal fisika dan aplikasinya Jurnal Teknik Elektro Sinergi Jurnal Pendidikan Fisika FKIP UM Metro Journal of Mathematical and Fundamental Sciences JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Indonesian Journal of Science and Technology Jurnal Geosaintek JOURNAL ONLINE OF PHYSICS Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika JURNAL NASIONAL TEKNIK ELEKTRO Jurnal Fisika FLUX Edumatsains KLIK (Kumpulan jurnaL Ilmu Komputer) (e-Journal) Jurnal Matematika Sains dan Teknologi Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Sains Natural: Journal of Biology and Chemistry KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Kumawula: Jurnal Pengabdian Kepada Masyarakat Journal of Engineering and Scientific Research (JESR) Journal of Appropriate Technology for Community Services Abdi: Jurnal Pengabdian dan Pemberdayaan Masyarakat Indonesian Review of Physics (IRiP) Stannum : Jurnal Sains dan Terapan Kimia Bioscientist : Jurnal Ilmiah Biologi Journal of Innovation and Technology Abimanyu: Journal of Community Engagement Jurnal Riset Fisika Indonesia Dharma Pengabdian Perguruan Tinggi (DEPATI) Science Technology and Management Journal (STMJ) Jurnal Geosaintek
Yuant Tiandho
Universitas Bangka Belitung
Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Other

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Perbandingan Pola Rasio Morfometrik dan Karakteristik Habitat Dua Spesies Ikan Wild Betta Asal Pulau Belitung Ahmad Fahrul Syarif; Robin Robin; Yuant Tiandho; Andi Gustomi
Bioscientist : Jurnal Ilmiah Biologi Vol 9, No 1 (2021): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v9i1.3563

Abstract

The existence of Wild Betta fish in Belitung Island needs to be studied. This study aims to analyze the differences in the morphology of two species of Wild Betta fish from Belitung Island based on the morphometric characteristics and habitat of these fish. The method used in this research is quantitative descriptive. This research was conducted in freshwater located in Dukong Village, Simpang Pesak District, East Belitung Regency from May to June 2020. The fish samples obtained were 35 fish consisting of 20 Betta uberis fish and 15 Betta edithae fish. The data obtained were analyzed descriptively and presented in graphs or tables. The results showed that the comparison of the morphometric ratio patterns found in the two Wild Betta fish species differed specifically from several characters, including Total Length (PT), Body Length (PB), Tail Length (PE), and Head Height (TK). Meanwhile, based on the ratio of morphometric characters, there are 3 main characteristics, namely: 1) Tail Length (PE) (1.249); 2) Head Length (PK) (0.869); 3) Width Body I (LB-I) (1,126); 4) Head Length (PK) (0.816); 5) Body Width II (LB-II) (0.337); and 6) Body Length (PB) (0.436). The habitat of Wild Betta fish from Belitung Island generally inhabits peat waters with fairly low pH conditions, ranging from 4-5 with the color of the waters that tend to be black to brownish.
Development of Hydroxyapatite-Based Bioceramic Hardness Model Based on Variations in Synthesis Conditions Fitri Afriani; Yuant Tiandho
Jurnal Inovasi Teknologi Vol 1 No 1 (2020): April
Publisher : Engineering Forum of Western Indonesian Government Universities Board (Forum Teknik, BKS-PTN Wilayah Barat) Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/jit.v1i1.2135

Abstract

Hydroxyapatite is bioceramics which have conducive biocompatible property and have been widely used in bone scaffolds. Although they have potential development, there have not been any matematical model that elaborates the relation between the parameter of synthetic conditons and the mechanical properties of hydroxyapatite. That is why, this article tries to present the relation model between the hardness of hydroxyapatite based on variety of synthetic conditions and sintering temperature, relative density, and the size of particle as well. Developing hardness model is performed on the basis of its relation with the responses from each experiment factor. Validating model which was carried out through comparison between the model and the data of experiments indicates that the model proposed has a good accuracy and capable for explaining the bond between the parameter of synthetic and the hardness of hydroxyapatite.
Dye Sensitized Solar Cell (Dssc) With Areca Extract As A Natural Dye Sensitized Yuant Tiandho; Purwati Purwati; Marlina Marlina; Mahjur Mahjur; Widodo Budi Kurniawan
KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Vol 7 No 1 (2022): KONSTAN (Jurnal Fisika dan Pendidikan Fisika)
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/konstan.v7i01.102

Abstract

Dye-sensitized Solar Cell (DSSC) is a solar cell that uses dye as one of its components. DSSC is interesting to develop because it can be fabricated simply with low production costs. This study aims to develop a DSSC that uses dye-sensitized from natural ingredients to be environmentally friendly. We chose betel nut (Areca catechu L.) as a natural dye source because betel nut has a reddish-brown color and is often used as a natural dye. The stages of this research consisted of betel nut extraction, TiO2 deposition, manufacture of a carbon layer on the counter electrode, and DSSC fabrication. Measurement of DSSC performance under solar irradiation with an intensity of 292 W/m2 shows that the fabricated DSSC can produce a voltage of up to 216 mV with a current of 0.03 mA. Variations in the concentration of TiO2 positioned on the ITO substrate indicate that higher concentrations of TiO2 can produce higher DSSC voltages
SOSIALISASI TEKNIK PENYIMPANAN PRODUK HASIL TANGKAPAN LAUT DENGAN METODE BEKU DI DESA PENYAK Fitri Afriani; Yekti Widyaningrum; Widodo Budi Kurniawan; Herman Aldila; Yuant Tiandho
Journal of Appropriate Technology for Community Services Vol. 1 No. 2 (2020)
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jattec.vol1.iss2.art8

Abstract

In this paper, the location that is targeted for community service activities is Penyak Village, Koba Sub-District, Central Bangka Regency. The majority of the profession of the Penyak Village community are fishermen because the village is directly adjacent to the South China Sea. Maritime resources in Penyak Village are quite abundant including various types of fish, shellfish and small crab. But most people who market these resources have not used techniques for storing fishery products. Therefore, it is feared that the fishery products will decline in quality. The solution offered to this community service is the socialization of frozen fishery product storage. In addition, in order for the community to directly utilize it, the freezer box equipment was provided to Penyak Village. Through the evaluation process, it is known that the freezer box provided can be utilized by Penyak Village community, especially for storing food products.
Pelatihan Pemanfaatan Limbah Plastik Menjadi Berbagai Kreasi Daur Ulang Bagi Masyarakat Desa Penyak Yuant Tiandho; Herman Aldila; Yekti Widyaningrum; Tri Kusmita; Anisa Indriawati; Widodo Budi Kurniawan; Fitri Afriani
Journal of Appropriate Technology for Community Services Vol. 2 No. 2 (2021)
Publisher : Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jattec.vol2.iss2.art2

Abstract

As an archipelago, handling plastic waste in the Province of Bangka Belitung Islands is an aspect that needs to be taken seriously. Apart from being focused on developing tourist areas, plastic waste will easily be carried to the sea and prone to be degraded into microplastics, often consumed by marine animals. This community service activity focuses on Penyak Village, Kec. Koba, Kab. Central Bangka, Bangka Belitung Islands. To solve the plastic problem in that location, the community service team conducted training for the community, especially for Pendidikan Kesejahteraan Keluarga (PKK) members, related to processing plastic waste into various recycled creations such as bags, pencil cases, and different kinds of souvenirs. The training program is carried out by providing materials and direct training to increase the understanding and skills. To broaden people's insights, the team conducted training with the Ecoplantstic start-up, which focuses on developing waste-based products. Through the evaluation, it is known that the training provided can improve the knowledge and skills of the community in processing plastic waste into various recycled creations, and several participants plan to develop the skills acquired for entrepreneurial purposes.
Synthesis of Calcium Phosphate from Cockle Shell Loaded by Silver Nanoparticle and Its Antibacterial Activity Evaluation Yuant Tiandho; Rahmad Lingga; Evi.J Evi.J; Rifqi Almusawi Rafsanjani; Fitri Afriani
Indonesian Review of Physics (IRiP) Vol. 4 No. 2 (2021)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v4i2.4920

Abstract

This study aimed to synthesize calcium phosphate loaded with silver nanoparticles and evaluate its antibacterial activity. We used cockle shells waste as raw material to prepare calcium phosphate. X-ray diffraction analysis showed that the constituent phases of calcium phosphate consist of hydroxyapatite (HA) and β-tricalcium phosphate (β-TCP). The incorporation process of silver nanoparticles on calcium phosphate was carried out in colloidal silver nanoparticles via the green-synthesis method using Citrus x microcarpa Bunge peel extract. The presence of colloidal silver nanoparticles through the green synthesis method was identified using UV-Vis spectrophotometer by the peak of the absorption band that occurred at 468 nm. The incorporation of silver nanoparticles into calcium phosphate did not significantly change the crystalline properties of HA and β-TCP. Evaluation of the antibacterial activity showed the silver nanoparticles had a strong antibacterial effect against Staphylococcus aureus, which also occurs in calcium phosphate loaded by silver nanoparticles. After being incorporated with silver nanoparticles, Calcium phosphate generally has no antibacterial effect. After being incorporated with silver nanoparticles, an inhibition zone with a diameter of about 9.8 mm can form. These results indicated that the method proposed in this study could be an alternative for developing calcium phosphate, which requires self-sterilization properties.
Synthesis of CuO-based Nanofluids Mediated by White Egg for Ethanol Distillation Applications Aliefia Noor; Evi J; Aisyah D.A.T. Safitri; Rifqi A. Rafsanjani; Yuant Tiandho
Stannum : Jurnal Sains dan Terapan Kimia Vol 2 No 1 (2020): April
Publisher : Department of Chemistry - Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jstk.v2i1.1701

Abstract

The use of solar energy to satisfy renewable energy in Indonesia has great potential. To improve the efficiency of solar collectors, some researchers proposed solar collectors that equipped by nanofluids as working fluids. CuO-based nanofluids are known as nanofluids that have excellent conductivity. The purpose of this study is to synthesise CuO nanofluids through egg white mediation methods, and it will be applied to simple distillation systems. Generally, the synthesising process is arranged based on the modification of the sol-gel method, and by the calcination, it will leave metal oxides, namely CuO-nanoparticles. The calcination temperature variation used is 150℃; 300℃; 500℃ and 700℃. According to Debye-Scherrer equations, it is known that, in optimal condition, we obtain CuO crystallite by the size is 42 nm. The use of CuO nanofluids can increase the conductivity of fluids and can increase the effectiveness of ethanol distillation by 81%.
Pelatihan Pengajaran Fisika Berbasis Simulasi Menggunakan Perangkat Lunak PhET Bagi Guru IPA di Bangka sebagai Perangkat Laboratorium Virtual Yuant Tiandho; Rika Favoria Gusa; Anisa Indriawati; Herman Aldila; Widodo B. Kurniawan
Abimanyu : Jornal of Community Engagement Vol 1 No 2 (2020): August 2020
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (348.253 KB) | DOI: 10.26740/abi.v1i2.7914

Abstract

Meskipun ilmu fisika merupakan salah satu ilmu yang sangat penting dalam pengembangan teknologi saat ini namun di mata mayoritas peserta didik masih dianggap sebagai ilmu yang sulit dan tidak menarik. Hal ini kemungkinan disebabkan oleh masih banyaknya guru yang hanya menerapkan metode ceramah ketika proses belajar mengajar fisika. Alternatif untuk mengatasi permasalahan tersebut adalah diterapkannya praktikum agar peserta didik dapat memiliki pengalaman langsung terkait konsep fisika yang ada. Namun, beberapa sekolah di Bangka tidak memiliki fasilitas laboratorium yang memadai sehingga kegiatan praktikum tidak dapat berjalan dengan baik atau bahkan tidak dapat dilaksanakan. Pada program pengabdian kepada masyarakat ini, dilakukan pelatihan penggunaan perangkat lunak PhET sebagai solusi laboratorium virtual. Penggunaan laboratorium virtual selain efisien dari segi biaya juga mudah untuk dilakukan dan memungkinkan peserta didik melakukan praktikum virtual secara mandiri. Setelah dilakukan kegiatan pelatihan mayoritas peserta memberikan respon positif terhadap penggunaan PhET dalam proses belajar mengajar. Selain itu, perangkat lunak PhET mudah digunakan.
Analisis Hubungan antara Kemurnian Madu dengan Sifat Fisisnya Yuant Tiandho; Evi J; Deden Nurdandi; Fenni Vavionita; Eri Gusnia; Umi Awaliyah
Jurnal Riset Fisika Indonesia Vol 1 No 2 (2021): Juni 2021
Publisher : Jurusan Fisika, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (338.78 KB) | DOI: 10.33019/jrfi.v1i2.2010

Abstract

Public awareness of the benefits of honey has increased the amount of honey consumption. This encourages the circulation of impure honey in the market by irresponsible traders. Therefore, characteristic information of honey is needed as a basis for honey purity testing methods. Physical characteristics analyzed in this study are the refractive index, permittivity, density and color quantization of honey. In general, it can be seen that the higher the concentration of honey, the higher the refractive index and its density and inversely proportional to the permittivity. Color analysis also shows that concentration is inversely proportional to the color intensity level.
Studi Kinetika Pada Proses Elektrokoagulasi Zat Warna Metilen Biru Andrian Saputra; Yuant Tiandho; Fitri Afriani
Jurnal Riset Fisika Indonesia Vol 3 No 1 (2022): Desember 2022
Publisher : Jurusan Fisika, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jrfi.v3i1.3230

Abstract

Permasalahan utama yang umumnya dihadapi para pelaku industri tekstil yaitu berkaitan dengan banyaknya jumlah limbah cair yang dihasilkan. Limbah cair pewarna metilen biru tidak dapat dibuang secara langsung ke perairan karena memiliki tingkat kelarutan yang tinggi dan bersifat non-biodegradable. Oleh karena itu, dalam penelitian ini dilakukan pengolahan limbah cair pewarna metilen biru dengan menggunakan metode elektrokoagulasi yang mudah diterapkan dengan tingkat efisiensi pemisahan kadar polutan dalam air limbah yang tinggi. Tahapan selanjutnya dilakukan dekolorisasi pada limbah pewarna metilen biru dengan variasi tegangan yang diberikan sebesar 20,25, dan 30 volt serta variasi waktu yang digunakan selama 1,3,5,10,15,20,25, dan 30 menit. Berdasarkan hasil penelitian menunjukkan bahwa semakin besar tegangan listrik dan semakin lama proses elektrokoagulasi dilakukan maka semakin tinggi pula nilai dekolorisasi yang dihasilkan limbah pewarna metilen biru tersebut. Hasil dekoloriasasi yang diperoleh kemudian dilanjutkan dengan melakukan analisis laju reaksi yang menunjukkan perubahan konsentrasi metilen biru yang berbanding lurus dengan waktu yang diberikan. Analisis laju reaksi dilakukan dengan menggunakan model kinetika reaksi yaitu orde satu, orde dua, dan BMG. Berdasarkan nilai yang dihasilkan dari ketiga model kinetika reaksi, model kinetika BMG merupakan model kinetika reaksi yang terbaik dikarenakan memiliki nilai koefisien determinasi (R2) yang tinggi yaitu sebesar 0,999.
Co-Authors Ahmad Fahrul Syarif Aisyah D. A. T. Safitri Aisyah D.A.T. Safitri Aisyah Deri Ayu Tungga Safitri Aliefia Noor Aliefia Noor Aliefia Noor Aliefia Noor Andi Gustomi Andrian Saputra Andrian Saputra Anggia, Suci Dwi Anisa Indriawati Anisah Mega Andini Asep Saefullah Asep Saefullah Awaliyah, Umi Dea Amelia Deden Nurdandi Diana Ayu Rostikawati Diana Novita Sari Eri Gusnia Evi J Evi J Evi J Evi J. Evi.J Evi.J Faradis, Syuraya Fenni Vavionita Fitri Afriani Gusnia, Eri Hamdini, Meri Herman Aldila Indra Pardede Isabela, Jennikita J, Evi J., Evi Kristina, Yulietta Lingga, Rahmad M. Yogi Riyantama Isjoni M. Yonggi Puriza Mahjur Mahjur Marlina Marlina Maryana, Okky Megiyo Megiyo Meri Hamdini Muhammad B Hariyono Muhammad David Ramadhon Mustari Mustari Mustari Mustari Mustari Mustari Mustari Mustari Mustari Mustari Naswanto, Sekar Kinanti Ramadhini Ningrum, Choirunnisa Dwi Ayu Nizar, Ahlun Noor, Aliefia Nurdandi, Deden Patilawati, Pariza Pratama, Erick Aryana Purwati Purwati Putra, Alfryan Maulana Rafsanjani, Rifqi Almusawi Rahmad Lingga Ramadina, Salsabila Redi Randika Rifqi A. Rafsanjani Rifqi Almusawi Rafsanjani Rifqi Almusawi Rafsanjani Rifqi Almusawi Rafsanjani Rika Favoria Gusa Robin Robin Safitri, Aisyah D. A. T. Salsabila Ramadina Sandi Sandi Sari, Prada Siswoyo Siswoyo Susanti Susanti Tri Kusmita Umi Alawiyah Umi Awaliyah vavionita, Fenni Wahri Sunanda Widodo B. Kurniawan Widodo Budi Kurniawan Wulandari, Rossariana Yekti Widyaningrum Yekti Widyaningrum Zaitun