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All Journal MASALIQ: Jurnal Pendidikan dan Sains Jurnal Adijaya Multidisiplin
Mutiara Permatasari
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Pengaruh Strategi Native Advertising Dan Influencer Marketing Terhadap Loyalitas Pelanggan Pada Platform TikTok (Studi Kasus: Pengguna Skincare Skintific) Mutiara Permatasari
Jurnal Adijaya Multidisplin Vol 2 No 03 (2024): Jurnal Adijaya Multidisiplin (JAM)
Publisher : PT Naureen Digital Education

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Abstract

Artikel TikTok saat ini merupakan salah satu aplikasi ponsel pintar paling populer untuk menonton video berdasarkan aktivitas dan unduhan pengguna. fitur yang paling populer dari aplikasi ini adalah TikTok Shop, sebuah fitur e-commerce sosial yang memungkinkan pengguna, termasuk kreator, untuk berdagang dan menjual produk sambil melakukan aktivitas belanja/bisnis dalam satu aplikasi. Penelitian ini bertujuan untuk menguji pengaruh Native Advertising dan influencer Marketing terhadap loyalitas pelanggan pada mahasiswa Kota Bandung. Penelitian kuantitatif jenis ini menggunakan analisis regresi linier berganda dan diolah dengan SPSS 29. Penelitian ini melibatkan 50 mahasiswa Bandung yang aktif menggunakan aplikasi Tiktok. Teknik pengambilan sampel purposive, yang berarti mengumpulkan sampel berdasarkan kriteria tertentu, digunakan untuk populasi. Pengumpulan data menggunakan form kuesioner Google. Penelitian ini menunjukkan bahwa influencer marketing berpengaruh positif dan signifikan terhadap loyalitas konsumen pada saat yang sama.
Pengaruh Variasi Pencil Lead Electrode (PLE) terhadap Deteksi Ion Logam Cu²⁺ menggunakan Modifikasi MnO₂ dengan Metode Voltametri Siklik Mutiara Permatasari; Trisna Kumala Sari
MASALIQ Vol 5 No 4 (2025): JULI
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v5i4.6859

Abstract

This study is motivated by the limited research on the use of modified pencil lead electrodes in electrochemical detection, despite their advantages as simple, low-cost, environmentally friendly, and highly sensitive heavy metal sensors. Copper ions (Cu²⁺) are essential elements for biological functions, but in excessive amounts, they become toxic and can damage vital organs such as the liver and kidneys. The aim of this research is to develop an effective electrochemical sensor for detecting Cu²⁺ ions by optimizing the type and modification of pencil lead electrodes. Electrode modification was performed using the drop-casting method with manganese dioxide (MnO₂) on three pencil hardness grades (2B, B, and HB), with voltammogram analysis based on the resulting current and redox potential. The results indicate that the MnO₂/PLE (2B) electrode demonstrated the most optimal performance compared to the other variations. This advantage is attributed to the electrocatalytic properties of MnO₂ and the higher graphite content in 2B pencils, which enhance the electrode’s conductivity and electrochemical response. These findings confirm that MnO₂/PLE (2B) is effective for Cu²⁺ ion detection and holds potential for development as an efficient electrochemical sensor for heavy metal analysis. Keywords: Cu²⁺ Ion; MnO₂; Pencil Electrode; Cyclic Voltammetry; Electrochemical Sensor
Co-Authors Trisna Kumala Sari