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Manufacturing and Characterization of Bioplastic from Chitosan and Rambutan Seed (Nephelium lappaceum L.) Starch with the Addition of Sorbitol as Plasticizer Kusumaningsih, Triana; Firdaus, Maulidan; Handayani, Desi; Rahayu, Windi Vinata; Vegasty, Sabella; Ningsih, Dyah A F; Istiqomah, Annisa
Science and Technology Indonesia Vol. 10 No. 4 (2025): October
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2025.10.4.990-998

Abstract

A bioplastic formulated from chitosan and rambutan seed starch (Nephelium lappaceum L.), with sorbitol added as a plasticizer, presents a promising innovation to reduce the reliance on conventional plastics, which contribute to an annual waste accumulation of 381 million tons. This study aims to produce bioplastic from chitosan and rambutan seed starch, to analyze its physical and mechanical properties, and to determine the optimal composition. The bioplastic was fabricated using the solution casting method, with heating at 85-95◦C and drying in an oven at 60◦C for approximately 24 hours. The resulting bioplastic exhibited favorable tensile strength and elongation, as well as rapid biodegradability in soil. FTIR analysis revealed functional groups including O-H, C-H, N-H, C-O, and C-C, indicating the presence of corresponding components. The best composition was achieved with a starch-to-chitosan ratio of 40:60% and 20% sorbitol, resulting in a thickness of 0.21 mm, density of 0.80 g/cm3, water absorptionof 41.17%, tensile strength of 52.53 N/mm2, elongation of 22.64%, and biodegradability of 36.67%. TGA analysis showed three degradation stages i.e. water dehydration, starch degradation, and chitosan degradation.
Implementation of Citizenship Project-Based Learning Model to Strengthening Student Responsibility Character in Pancasila Courses Amanda, Tika; Sunarso, Sunarso; Murdiono, Mukhamad; Istiqomah, Annisa
Journal of World Science Vol. 3 No. 11 (2024): Journal of World Science
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jws.v3i11.1232

Abstract

Universities must adapt to 21st-century skills, emphasizing character education to foster holistic student development. This study aimed to enhance students' character of responsibility in the Pancasila course through the Citizenship Project-Based Learning (CPBL) model. Employing the Classroom Action Research (CAR) method, the study involved planning, action, observation, and reflection stages, with data collected via observations and questionnaires and analyzed descriptively. The CPBL model significantly improved students' ability to take responsibility for individual and group tasks, solve problems, provide solutions, and deliver effective project presentations. Students showcased enhanced critical thinking, teamwork, accountability in task completion, and creative problem-solving, as reflected in group portfolios and video presentations. The learning process fostered higher engagement, collaboration, and the development of a responsible character aligned with Pancasila values. This study highlights the CPBL model's potential as a practical framework for integrating character education into higher education. It strengthens critical thinking and collaboration and equips students with the competencies necessary for societal contribution and national development. The model offers a replicable approach to embedding Pancasila values in educational practices, making it a valuable tool for fostering responsibility and holistic character development in university students.
Evaluasi Penilaian Hasil Belajar Pada Mata Kuliah Umum Berbasis E-Learning Widiyanto, Delfiyan; istiqomah, Annisa
JURNAL PENDIDIKAN Vol 31 No 2 (2022): July
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/jp.v31i2.2670

Abstract

Penilaian hasil belajar pada mata kuliah umum yang telah dilaksanakan dalam pembelajaran telah dilakukan dalam pelaksanaan pembelajaran. Salah satu objek wisata tersebut tertuang dalam Rencana Pembelajaran Semester (RPS). Terdapat berbagai macam hasil belajar dari mata kuliah umum, sehingga peneliti ingin mengetahui penyusunan perencanaan, penilaian hasil belajar mata kuliah umum. Tujuan dari penelitian ini adalah untuk mengetahui pelaksanaan pembelajaran mata pelajaran umum (MKU) di Universitas Tidar berbasis e-learning. Jenis penelitian ini adalah penelitian deskriptif dengan menggunakan pendekatan kualitatif. Subyek dalam penelitian ini adalah dosen MKU Universitas Tidar. Objek penelitian ini adalah evaluasi hasil belajar MKU di Universitas Tidari berbasis e-learning. Penelitian ini dilaksanakan di Universitas Tidar pada bulan Maret sampai September 2021. Teknik pengumpulan data dalam penelitian ini menggunakan wawancara, observasi, dan dokumentasi. Hasil penelitian menunjukkan bahwa dosen telah melaksanakan hasil belajar dengan memberikan pertanyaan atau konfirmasi, membuat instrumen, memberikan umpan balik dan memberikan umpan balik kepada mahasiswa yang berprestasi tinggi. Masih ada dosen yang mengevaluasi hasil belajar, tidak menyusun rubrik penilaian, memberikan tugas, dan memberikan umpan balik dengan kinerja rendah.
Pendidikan Kewarganegaraan Sebagai Wahana Pendidikan Demokrasi Widiyanto, Delfiyan; istiqomah, Annisa
JURNAL PENDIDIKAN Vol 32 No 1 (2023): March
Publisher : Universitas Veteran Bangun Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32585/jp.v32i1.2826

Abstract

Artikel ini bertujuan memberikan tinjauan teoretik dan analisis kurikulum 2013 edisi revisi 2018 pada mata pelajaran PPKn dalam kontribusi pendidikan demokrasi di Indonesia. Suasana demokrasi Indonesia menjelang pemilihan umum 2019 memberikan pengalaman menarik bagi bangsa Indonesia. Intrik dan kusak kusuk politik praktis membahwa dampak pada sisi negatif seperti politic money, black campaign, isu hoax, saling bersingungan antar pendukung membuat suasana menjadi panas dan terjadinya konflik. Rendahnya pemahaman demokrasi mengakibatkan masyarakat mudah tersulut emosi dan konflik yang terjadi diakar rumput. Dari beberapa literature dan analisis kurikulum menunjukkan bahwa pendidikan kewarganegaran dengan pendidikan demokrasi memiliki kesamaan yaitu menanamkan dan memahamkan nilai prinsip, konsep, dan budaya demokrasi pada warga negara. Pada kurikulum 2013 edisi 2018 bahwa PPKn memiliki kompetensi yang berkaitan dengan pilar-pilar demokrasi. Kompetensi yang terdapat pada kurikulum pendidikan kewarganegaraan mengandung kesepuluh pilar demokrasi.
TINGKAT KECENDERUNGAN PERILAKU EKSTREMISME BERBASIS AKTIVITAS DIGITAL DI KALANGAN MAHASISWA Istiqomah, Annisa; Marzuki, Marzuki; Sutrisno, Cucu; Samsuri, Samsuri; Aziz, Sulthon Abdul
Ganesha Civic Education Journal Vol. 7 No. 2 (2025): October, Ganesha Civic Education Journal
Publisher : Program Studi PPKn Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/gancej.v7i2.6118

Abstract

Extremism among students can have very serious consequences. It can not only damage the image and reputation of educational institutions, but can also cause broader social damage. Violent acts carried out by students can instill fear, damage intergroup relations in society, and reduce social tensions. This study aims to 1) identify early signs of extremist behavior among students through social media; 2) Identify specific factors that encourage or reduce the tendency of extremist behavior through social media. The results of the study indicate that: 1. Overall, the level of tendency of digital-based extremist behavior among students can be considered high, because the frequency of the majority of respondents (35.10%) is in the high category. These results indicate that students are still quite vulnerable to exposure to extremist content in the digital space: 2) The tendency of digital-based extremism among students is more at the ideological and attitudinal level (loyalty, justification of violence, and rejection of diversity) than at the level of concrete actions (access, community involvement, and commitment to extreme action). In other words, students are in a phase of ideological vulnerability that requires serious attention through digital literacy programs, strengthening national understanding, and learning tolerance to prevent the development of these ideological attitudes into concrete extreme behavior.