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All Journal POSITRON JURNAL TEKNOLOGI LINGKUNGAN Indonesian Journal of Applied Linguistics (IJAL) Media Komunikasi Geografi Jurnal sistem informasi, Teknologi informasi dan komputer Jurnal Fisika Unand Jurnal Spektra JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Biology, Medicine, & Natural Product Chemistry Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan Jurnal Ilmiah Pendidikan Pancasila dan Kewarganegaraan KAREBA : Jurnal Ilmu Komunikasi Sistemasi: Jurnal Sistem Informasi Omni-Akuatika INTENSIF: Jurnal Ilmiah Penelitian dan Penerapan Teknologi Sistem Informasi LLT Journal: A Journal on Language and Language Teaching Indonesian Fisheries Research Journal JURNAL PENDIDIKAN TAMBUSAI JEES: Journal of English Educational Study JISIP: Jurnal Ilmu Sosial dan Pendidikan Building of Informatics, Technology and Science Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika Journal of English Language Teaching Innovations and Materials (Jeltim) Hermeneutika : Jurnal Ilmu Hukum Jurnal Abdi Insani Ethical Lingua: Journal of Language Teaching and Literature Idealis : Indonesia Journal Information System JOLLT Journal of Languages and Language Teaching Journal of Global Sustainable Agriculture Jurnal Bio-Geo Material Dan Energi Empiricism Journal International Journal Software Engineering and Computer Science (IJSECS) Makara Journal of Science Magistrorum et Scholarium: Jurnal Pengabdian Masyarakat Jurnal Pengabdian Masyarakat dan Riset Pendidikan Jurnal Tarreang: Tren Pengabdian Masyarakat Agrokompleks Jurnal Pendidikan Progresif Jurnal bahasa, sastra, seni, dan pengajarannya
Edi Suharyadi
Universitas Gadjah Mada
Agriculture, Biological Sciences & Forestry Arts Humanities 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 Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Other

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Journal : Makara Journal of Science

 1 
Influences of Zn Concentration on Dielectric Properties of ZnxNi1-xFe2O4 Magnetic Nanoparticles Suharyadi, Edi; Rahayu, Dwi Indah; Armitasari, Linda; Abraha, Kamsul
Makara Journal of Science Vol. 22, No. 4
Publisher : UI Scholars Hub

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Abstract

Dielectric properties of ZnxNi1-xFe2O4magnetic nanoparticles (MNPs) with various Zn concentration (x = 0.2-0.8) havebeen investigated over a wide frequency range 5–120 kHz. Zn-Ni ferriteMNPs have spinel cubic structure. Thecrystallite size of the sample for x = 0.2 was about 21.5 nm and then decreases by increasing Zn concentration. For sample with x = 0.4 at frequency 20 kHz, the real dielectric constant (ε') was 35.9, imaginary dielectric constant (ε") was 20.4 and loss tangent (tanδ) was 0.6. Zn concentration would affect to availability of ferrous and ferric ions in the octahedral site which are preferentially occupied by Zn2+ion. The dielectric constants decrease with increasing frequency. The sample with at x = 0.6 has thehighest dielectric on frequency 5 kHz. The maximum AC conductivity(σAC) was 1.7 x 10-4 Ω-1 at 65 kHz observed for concentration x = 0.3. The dielectric constants and conductivity at low frequency are due to the existence of grains boundary while the dispersion in the high frequency region are due to the conducting grains.
Systematic Review: Recent Developments in Magnetic-Nanoparticle-Based DNA Extraction Tjoa, Stanley Evander Emeltan; Mudasir, Mudasir; Suharyadi, Edi; Daryono, Budi Setiadi
Makara Journal of Science Vol. 29, No. 2
Publisher : UI Scholars Hub

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Deoxyribonucleic acid (DNA) is a research object for various molecular fields of study, and DNA extraction is a basic procedure in molecular biology laboratories. DNA extraction methods are evolving, from several steps using organic solvents to recent technology using magnetic nanoparticles as adsorbents for the purification step. The use of magnetic nanoparticles for DNA extraction is magnetizing because it is simple without heavy machinery, such as centrifugation and organic solvents. The application of this method is extensive and diverse. This systematic review summarizes current development trends for some aspects of this DNA extraction system from the magnetic nanoparticle synthesis method, extraction protocol, and different types of samples used. The main purpose of this review is to provide an overall perspective of the use of magnetic nanoparticles in DNA extraction for researchers to start their exploration of this safe, simple, and rapid technique. In general, the most well-known magnetic nanoparticle preparation uses the coprecipitation method. The preferred particle is a plain and silica-coated magnetic nanoparticle using tetraethyl orthosilicate. The most common buffer systems for binding, washing, and elution are Polyethylene Glycol (PEG) and NaCl, 70% ethanol, and Tris–EDTA, respectively. The extraction system with magnetite can be used for various types of samples, ranging from human specimens to animal, plant, and bacterial specimens. The extraction yields using the magnetic-nanoparticle-based method were between 0.03 µg and 116.63 µg with a DNA purity ratio between 1.09 and 1.99.
Co-Authors - Heriansyah, - - Mustawarman, - - Mutmainnah, - A.A. Ketut Agung Cahyawan W Abdul Hakim Prima Yuniarto Abu Khalid Rivai Ade Iriani Adriyanto Juliastomo Gundo Agnesia, Wega Dhea Agustin, Ayu Chandra Agusutrisno Agusutrisno, Agusutrisno Al-Ansori, Muhammad Abdul Latif Alfiazh, Andini Tria Alhusna, Indra Sundara Altop, Dapfa Farrizo Anik Nunuk Wulyani Armitasari, Linda Asep Awaludin, Asep Azzahra, Vina Octavia Azzahro, Siti Fatimah BUDI SETIADI DARYONO Chairani, Nur Julianti Dwi Damanik, Lina Aftiani DEWI SARTIKA Dewi, Priyantini Ekaning Dewanti Laksmi El Khoiri, Niamika Erni Marlina, Erni Evi Maria Evynurul Laily Zen Fakhrillah, Agvy Rena Farkan, Mochammad Ferni Malega Frastica Deswardani Gunadi Harry Sulistyo Hafied Cangara, Hafied Harianto, Muhammad Bayu Aji Putra Heri Kiswanto Heri Kiswanto Heripan, Heripan Hidayati, Yustina I Putu Tedy Indrayana Ihsan, Iif Miftahul Ilham Ilham Imam Prayogo Pujiono Indrawati, Dewi Miska Irwan Sembiring Istiqomah, Nurul Imani Ivone, Fransisca Maria Jun Harbi Kamsul Abraha Kristiany, Maria Gorety Eny Kuat Ismanto Kusumamawarni, Deaseptia Nirmala Laisina, Edwin Mahardhika, Larrisa Jestha Malega, Ferni Malega, Ferni Mangalla, Bileam Mardiana, St Mardiyanto Mardiyanto Margono Margono Milantara, Noril Mirjam Anugerahwati Mudasir Mudasir Muhammad Hanif Mulyono, Mugi Nasirin, Nasirin Nasrullah Nasrullah Novela, Monica Nugraha, Bayu Adi Nur Aji Wibowo Nurul Imani Istiqomah Nurwadi, Nurul Fadilah Oktaviani, Nada Parlina, Iin Prabandaru, Lila Prabowo, Guntur Prayogi, Arditya Prima Widayani Putra, Angkasa Rahardian, Renaldy Baptista Rahayu, Dwi Indah Ramadhan, Dwi Sapri Ramadiansyah, Febry Rheido, Gestar Riyanto, Didik Rohmah, Syifa Romantik, Romi Romi Novriadi Rony, Zahara Tussoleha Rosyidah, Umniyah Juman Safitri, Mega Said, Dian Riani Samsu Harapan, Sri Budiani Samsuardi Samsuardi, Samsuardi Samsuharapan, Sri Budiani Sari, Emi Kurnia Satoshi Iwata Sektiana, Sinar Pagi Shirly Rizki Kusumaningrum Sianipar, Rini Juita Sintha Tresnadewi Siti Muniroh Sri Andreani Sri Budiani Stephanie Gabriella Wijaya Suhardi, Muhammad Tegar Alif Susilo, Dinantari Susilo, Sandy Pria Nanda Syahirul Alim Syahrul R, Syahrul Syaputra, Affandi Syukron, Akhmad Aufa Tahir, Asman Bin Mohd Takeshi Kato Theopillus J. H. Wellem Tintien Koerniawati Tjoa, Stanley Evander Emeltan Tresnadewi, Shinta Utami, Ranti Widia Utari Praba Astuti Wake, Yohana Dhoe Yani, Achmad Yazid Basthomi Yessica Nataliani Yulizar Yulizar Yumna, Asy Syafa’ Yuwono, Henri Zalukhu, Aldwin