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All Journal Jurnal Penelitian Pendidikan, Psikologi Dan Kesehatan (J-P3K) Molekul: Jurnal Ilmiah Kimia
Mulyani, Gina
Unknown Affiliation
Humanities Biochemistry, Genetics & Molecular Biology Chemistry Education Health Professions Materials Science & Nanotechnology Nursing Public Health Social Sciences

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Treatment of Paracetamol in Water with Different Salinities over Powder and Supported TiO2 and ZnO Photocatalysts Saepurahman, Saepurahman; Mulyani, Gina; Sambudi, Nonni Soraya; Kurniawan, Teguh
Molekul Vol 19 No 2 (2024)
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jm.2024.19.2.11017

Abstract

ABSTRACT. Paracetamol's (PCT) Paracetamol's (PCT) presence in water bodies poses a risk to both aquatic life and humans. This study aims to examine the effect of salinities on PCT removal in water using powder and supported photocatalysts. ZnO powder is a superior photocatalyst to TiO2, where the rate constant can be 18 times higher. Salinity boosted the PCT removal up to 2.7 times for TiO2 at lower concentrations but decreased the PCT removal for TiO2 and ZnO at higher values. Immobilizing the powder photocatalysts on a nonwoven polyester support (NPS) dropped the photocatalytic activity, especially for ZnO, whose performance was 36 times lower than its powder counterpart. The passivation of the photocatalysts by the silica binder necessary for attaching the photocatalyst to the support can be linked to the decline in the performance of TiO2 and ZnO composites. The silica and TiO2 formed homogeneous layers on the NPS, unlike the silica and ZnO layers. High salinity reduced the performance of TiO2 composites by 20 times but showed no significant effect on ZnO composites. The performance of the ZnO composite was further reduced when real seawater was used as feed. Keywords: Titanium dioxide, zinc oxide, polyester, paracetamol, salinity.
Ketika Kuliah Menjadi Beban: Analisis Peran Dukungan Sosial dan Motivasi Belajar terhadap Academic Burnout Mulyani, Gina; Muharsih, Lania; Minarsih, Yulyanti
Jurnal Penelitian Pendidikan, Psikologi Dan Kesehatan (J-P3K) Vol 6, No 4 (2025): J-P3K
Publisher : Yayasan Mata Pena Madani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51849/j-p3k.v6i4.837

Abstract

Mahasiswa yang tidak mampu menghadapi berbagai permasalahan perkuliahan dan tuntutan akademik akan rentan mengalami stres dan kemudian burnout. Tujuan penelitian dilakukan untuk mengetahui dukungan sosial dan motivasi belajar sebagai prediktor academic burnout pada mahasiswa Universitas Buana Perjuangan Karawang. Penelitian ini dilakukan kepada 336 responden yang merupakan seluruh Mahasiswa Universitas Buana Perjuangan Karawang. Alat ukur yang digunakan dalam penelitian ini terdiri dari 3 skala psikologi, yaitu Maslach Burnout Inventory-Student Survey, Multidimensional Scale of Perceived Social Support dan The Motivated Strategies For Learning Qustionnaire yang diadaptasi oleh peneliti. Hasil analisis menunjukkan bahwa secara parsial dukungan sosial dan motivasi belajar memiliki dampak terhadap academic burnout. Secara parsial menunjukkan bahwa variabel dukungan sosial memiliki dampak terhadap burnout academic dengan nilai signifikansi 0,049 < 0,05 dan variabel motivasi belajar memiliki dampak tehadap burnout academic dengan nilai signifikansi 0,000 < 0,50. Kemudian didapatkan hasil dukungan sosial dan motivasi belajar memberikan dampak sebesar 42,1% terhadap academic burnout.
Co-Authors Minarsih, Yulyanti Muharsih, Lania Saepurahman, Saepurahman Sambudi, Nonni Soraya Teguh Kurniawan