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All Journal EduChemia: Jurnal Kimia dan Pendidikan Walisongo Journal of Chemistry Makara Journal of Science Journal of Governance and Public Administration Bina Bangsa International Journal of Business and Management
Muflikhah, Muflikhah
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Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Materials Science & Nanotechnology Social Sciences

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PELAPISAN BAHAN MAGNETIK PASIR BESI BUGEL DENGAN SITRAT Rosiati, Nur Mutia; Miswanda, Dikki; Muflikhah, Muflikhah
Walisongo Journal of Chemistry Vol 2, No 1 (2019): Walisongo Journal of Chemistry
Publisher : Department of Chemistry Faculty of Science and Technology Walisongo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1277.484 KB) | DOI: 10.21580/wjc.v3i1.3577

Abstract

Pemanfaatan bahan alam sebagai sumber bahan magnetik (BM) merupakan keuntungan tersendiri, yakni preparasi yang lebih mudah dilakukan, jumlah bahan kimia yang digunakan lebih sedikit dan biaya preparasi lebih terjangkau. Hasil membuktikan bahwa unsur terbanyak yang terkandung pada BM pasir besi Pantai Bugel adalah Fe, Ti dan Si dengan fasa oksida dominan berupa magnetit. Modifikasi BM dilakukan untuk mendukung perannya sebagai adsorben magnetik. Bahan magnetik pasir besi Pantai Bugel terlapis sitrat (BM/Sitrat) telah berhasil disintesis pada penelitian ini. Variasi waktu perendaman BM dalam larutan sitrat dilakukan dengan waktu 6, 12 dan 24 jam untuk mengetahui waktu optimum perendaman. Hasil penelitian menunjukkan bahwa waktu optimum perendaman dicapai pada waktu 24 jam.
Logistics Service Mix In Improving Business: Case Study on CV. 555 EXPRESS Muflikhah, Muflikhah
Bina Bangsa International Journal of Business and Management Vol. 4 No. 1 (2024): Bina Bangsa International Journal of Business and Management
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/bbijbm.v4i1.83

Abstract

The purpose of this study is to determine the competitiveness of businesses in increasing the mix in t rovision of services and the development of global logistics businesses in the field of service provian and logistics services.This research is a qualitative descriptive study of the importance of the role of the Logistics Service M in increasing business competitiveness in the CV. 555 EXPRESS company affiliated with the theory op increasing business competitiveness in Indonesia is currently experiencing significant good changes, rapid growth of ecommerce can open up opportunities for companies engaged in the electronic comma business in the logistics sector. Because at this time there are poly companies providing goods delivery services that can be accessed easily from the wider community. The level of service that is not ynchronized will of course be a consideration for users of delivery services, where every costume definitely expects the best service
PERAN MEDIA SOSIAL DALAM PREFERENSI PEMILIH: STUDI KAMPANYE PEMILIHAN UMUM izzati, Fazzat; Asyifa, Rafika Mutiasani; Wicaksono, Muhammad Arief; Muflikhah, Muflikhah; Azizah, Dita Nurul; Nugroho, Joko Tri
Journal of Governance and Public Administration Vol. 2 No. 2 (2025): Maret
Publisher : Yayasan Nuraini Ibrahim Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70248/jogapa.v2i2.1631

Abstract

Penelitian ini bertujuan untuk menganalisis peran media sosial dalam mempengaruhi preferensi pemilih selama kampanye pemilihan umum. Dengan berkembangnya teknologi dan penggunaan media sosial yang semakin luas, kampanye politik kini beralih dari media tradisional ke media sosial untuk menjangkau audiens yang lebih luas dan lebih spesifik. Studi ini mengkaji bagaimana platform seperti Facebook, Instagram, Twitter, dan YouTube digunakan oleh para calon dan tim kampanye untuk menyebarkan pesan politik, membangun citra, serta memobilisasi pemilih. Selain itu, penelitian ini meneliti bagaimana interaksi antara pemilih dan konten politik di media sosial dapat mempengaruhi sikap, preferensi, dan keputusan memilih. Data dikumpulkan melalui metode penelitian kuantitatif serta survei terhadap pemilih serta analisis konten media sosial selama periode kampanye. Hasil penelitian menunjukkan bahwa media sosial memiliki pengaruh signifikan dalam membentuk persepsi politik pemilih, terutama di kalangan pemilih muda yang aktif menggunakan media sosial. Namun, pengaruh ini bervariasi tergantung pada tingkat partisipasi pemilih, keterpaparan terhadap konten politik, dan sumber informasi lain yang diakses. Penelitian ini menyimpulkan bahwa media sosial merupakan alat yang kuat dalam kampanye politik, namun efektivitasnya bergantung pada strategi komunikasi dan keterlibatan pemilih Kata Kunci : Media Sosial, Preference Pemilih, Kampanye Politik, Pemilihan Umum, Komunikasi Politik
Plasmonic Nanoparticle Integration on Fiber Optic: Role of Organic Linker and Functionalization Length in Refractive Index Sensing Ilmiyah, Shela; Syahadi, Mohamad; Muflikhah, Muflikhah; Pradana, Yuwana; Supardi, Zainul Arifin Iman; Darmadi, Iwan; Aprilia, Lia
Makara Journal of Science Vol. 29, No. 3
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Nanoplasmonic fiber optic sensors leverage the optical fiber’s inherent compactness and surface sensitivity via evanescent-field interactions with the localized surface plasmon resonance of the metallic nanoparticles. One of the popular approaches is self-assembly owing to its relatively low cost. Despite its low cost, the self-assembly technique has low reproducibility and exhibits low sensitivity because of low nanoplasmonic coverage on the fiber optic surface. In this study, several fabrication techniques were explored to assess the refractive index sensitivity by comparing three common organosilanes, i.e., (3-Aminopropyl)triethoxysilane (APTES), (3-Aminopropyl)trimethoxysilane, and (3-Mercaptopropyl)trimethoxysilane. Comparative analyses assessed the anchoring efficiency of the three silanes, sensor reproducibility, functionalization-length sensitivity, and the sensor’s ability in glucose detection (5%–50%) in the reflection and transmission modes. As a result, the APTES-promoted sensor exhibited the best sensing sensitivity among the others, likely owing to their more uniform monolayer formation and the more favorable interaction between NH₂ groups and Au nanoparticles compared with SH groups. Glucose sensing displays a sensitivity of 0.196 nm/%glucose (for reflection) and 0.389 nm/%glucose (for transmission). The limits of detection were 19.44% (for reflection) and 5.71% (for transmission). This study provides important perspectives for the potential use of nanoplasmonic fiber optic sensors in biological and chemical sensing.
Surfactant-Controlled Synthesis of Mesoporous Silica from Oil Palm Empty Fruit Bunch Partuti, Tri; Dhaneswara, Donanta; Fatriansyah, Jaka Fajar; Muflikhah, Muflikhah; Prihatiningsih, Maria Christina
EduChemia: Jurnal Kimia dan Pendidikan Vol 11, No 1 (2026)
Publisher : Department of Chemistr Education Faculty of Teacher Training and Education Universitas Su

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/educhemia.v11i1.39110

Abstract

Indonesia is the country that produces the most palm oil worldwide, generating large amounts of oil palm empty fruit bunch (EFB) waste containing silica. The use of EFB waste as a silica precursor offers a sustainable alternative to conventional synthetic sources. Therefore, this study aims to synthesize mesoporous silica from EFB ash via a sol-gel method, using single and mixed surfactant systems, namely, cetyltrimethylammonium bromide (CTAB), Pluronic P123 (P123), and a mixture of CTAB-P123, with a constant mass of 5 grams. The properties of mesoporous silica derived from EFB were characterized using X-ray fluorescence (XRF), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy equipped with energy-dispersive X-ray analysis (SEM-EDX), transmission electron microscopy (TEM), small-angle X-ray scattering (SAXS), and nitrogen adsorption‒desorption measurements based on the BET and BJH methods. The results of this study revealed that the use of Pluronic P123 resulted in a specific surface area of 317.085 m²/g, CTAB (519.951 m²/g), and a mixed-surfactant system (496.547 m2/g). The SAXS results revealed that a mixed CTAB-P123 system produced an ordered mesostructure with a distinct peak at q = 0.1005 Å-1, while a single surfactant formed disordered mesopores. These results demonstrate that the type of surfactant performs an essential function in tailoring the mesoporous characteristics of EFB-derived silica.
Co-Authors Asyifa, Rafika Mutiasani Azizah, Dita Nurul Darmadi, Iwan Dhaneswara, Donanta Dikki Miswanda Fatriansyah, Jaka Fajar Ilmiyah, Shela izzati, Fazzat Joko Tri Nugroho Lia Aprilia Mohamad Syahadi Muhammad Arief Wicaksono Partuti, Tri Pradana, Yuwana Prihatiningsih, Maria Christina Rosiati, Nur Mutia Supardi, Zainul Arifin Iman