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All Journal Jurnal Teknik Industri Terintegrasi (JUTIN)
Said, Anggi Sundari Tubagus
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Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Analisis Komparatif Pengaruh Plasticizer Gliserol dan Sorbitol Terhadap Sifat Mekanik Film Bioplastik Berbasis Kitosan: Sebuah Pendekatan Meta-Analisis Said, Anggi Sundari Tubagus; Sari, Putri Purnama
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 1 (2026): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i1.54418

Abstract

Chitosan bioplastics offer a sustainable alternative to synthetic packaging but suffer from inherent brittleness. This study employs a Systematic Literature Review (2015–2025) to comparatively analyze the effects of Glycerol and Sorbitol plasticizers on the mechanical properties of chitosan films. Meta-analysis results reveal a significant mechanical trade-off. Sorbitol-plasticized films demonstrate high Tensile Strength (41–75 MPa) with limited Elongation (<15%), making them suitable for rigid packaging. Conversely, Glycerol effectively enhances flexibility (Elongation up to 60%) but drastically reduces structural integrity (<25 MPa) and exhibits high hygroscopic sensitivity, positioning it as the preferred choice for flexible packaging. The study concludes that plasticizer selection must align with specific end-use requirements.
Analisis Pengaruh Pacaran di Kampus dengan Tingkat IPK Mahasiswa Akbar, Dutha Hajrul; Purnamasari, Putri; Said, Anggi Sundari Tubagus; Siswanto, Andika Prayoga; Pratama, Wahyu Ridho; Syahputra, M Irfan
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 1 (2026): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i1.55906

Abstract

This study aims to analyze the influence of romantic relationships among university students on their Grade Point Average (GPA). Romantic relationships are a common social phenomenon during emerging adulthood and may affect cs3tudents’ academic engagement, motivation, and psychological well-being. This research employed a quantitative correlational approach involving undergraduate students from a public university. Data were collected through questionnaires measuring relationship status, perceived partner support, academic motivation, and cumulative GPA. The results indicate that romantic relationship status alone does not have a significant direct effect on GPA. However, the quality of partner support shows a positive correlation with academic motivation, which indirectly influences GPA. These findings suggest that romantic relationships do not necessarily hinder academic achievement, but their impact depends on the quality of support and students’ ability to balance academic and personal life. This study contributes to the limited literature on romantic relationships and academic performance among university students in developing countries.
Co-Authors Akbar, Dutha Hajrul Pratama, Wahyu Ridho Putri Purnama Sari, Putri Purnama Putri Purnamasari Siswanto, Andika Prayoga Syahputra, M Irfan