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Aktivitas Larvasida Fraksi n-Heksana Akar Kokosan (Lansium domesticum Corr var Kokosan) Terhadap Nyamuk Aedes Aegypti Jasmita, Jasmita; Rudiyansyah, Rudiyansyah; Gusrizal, Gusrizal
Jurnal Kartika Kimia Vol 8 No 1 (2025): Jurnal Kartika Kimia
Publisher : Department of Chemistry, Faculty of Sciences and Informatics, University of Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jkk.v8i1.892

Abstract

Aedes aegypty is the main vector for transmitting the disease (Dangue Hemorrhagic Fever (DHF). The use of larvicide is one method of vector control. In order to reduce the impact of excessive use of synthetic larvicide, it is necessary to develop a natural larvicide by utilizing the n-hexane fraction of cocosan roots (Lansium domesticum Corr var kokosan). The aim of this study was to determine the larvicidal activity and toxicity of the n-hexane fraction of kokosan roots (Lansium domesticum Corr var kokosan) based on the LC50 value with the probit method. There were nine types of treatment including five concentrations of n-hexane fraction of cocosan roots (10; 250; 500; 750; 1000 ppm) as the treatment group, two positive controls (abate and n-hexane pa), and two negative controls (water and water + tween 80). The larvicidal activity test used 15 third instar Aedes aegypti larvae for each test. Meanwhile, the toxicity test used the BSLT method with 15 Artemia salina larvae in the nauplia phase per test. The number of larval deaths was explained by the LC50 value using the probit method. The results of larvacide activity and toxicity tests were 664,02 ppm and 2795,48 ppm, based on LC50. These results indicate that the n-hexane fraction of kokosan roots has moderate activity and is not toxic.
Pengaruh Motivasi Dan Disiplin Kerja Terhadap Kinerja Karyawan Pada Universitas Muhammadiyah Makassar Jasmita, Jasmita; Yusuf, Sitti Marhumi, Muhammad
YUME : Journal of Management Vol 8, No 2 (2025)
Publisher : Pascasarjana STIE Amkop Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37531/yum.v8i2.8877

Abstract

Penelitian ini merupakan jenis penelitian kuantitatif dengan tujuan untuk mengetahui pengaruh motivasi dan disiplin kerja terhadap kinerja karyawan di Universitas Muhammadiyah Makassar. Sampel penelitian ini diambil dari Universitas Muhammadiyah Makassar. Jenis data yang digunakan dalam penelitian ini adalah data kuantitatif yang diperoleh dari kuesioner yang disebarkan dan berkaitan dengan masalah yang diteliti. Pengumpulan data dilakukan dengan cara observasi dan penyebaran kuesioner. Dalam penelitian ini sumber yang digunakan dalam pengumpulan data meliputi data primer. Instrumen penelitian yang digunakan dalam penelitian ini menggunakan metode skala likert. Berdasarkan hasil penelitian data dengan menggunakan perhitungan statistik melalui aplikasi Statistical Package For The Social Science (SPSS) versi 25 mengenai pengaruh motivasi dan disiplin kerja terhadap kinerja karyawan pada Universitas Muhammadiyah Makassar yang telah dibahas dari bab sebelumnya yaitu pada variabel motivasi t hitung > t tabel (4,159 > 1,666) artinya variabel motivasi berpengaruh signifikan terhadap kinerja karyawan kemudian pada variabel disiplin kerja t hitung > t tabel (6,751 > 1,666) artinya variabel disiplin kerja berpengaruh signifikan terhadap kinerja karyawan. Maka penulis mengambil kesimpulan bahwa motivasi dan disiplin kerja berpengaruh positif dan signifikan terhadap kinerja karyawan pada Universitas Muhammadiyah Makassar.Kata Kunci: Motivasi Kerja, Disiplin Kerja, dan Kinerja Karyawan
PENGARUH SHORT COURSE DI NANCHANG NORMAL UNIVERSITY TERHADAP KEMAMPUAN BAHASA MANDARIN MAHASISWA PROGRAM STUDI PENDIDIKAN BAHASA MANDARIN UNIVERSITAS NEGERI MAKASSAR Jasmita, Jasmita; Syarifah Fathimah Al Ilmullah; azizah, mir'ah
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 Nomor 02, Juni 2026 Public
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.47636

Abstract

This study aims to analyze the effect of the short course program at Nanchang Normal University on the development of Mandarin language skills of students in the Mandarin Language Education Study Program at UNM. This research employs a quantitative descriptive method with a pre-test and post-test experimental design. The data were collected by measuring students’ Mandarin language proficiency before and after participating in the program. The results show that prior to joining the short course, students’ Mandarin proficiency was at a moderate level and not yet optimal, particularly in speaking and writing skills, which were still weak in terms of vocabulary mastery and sentence structure. After completing the program, students’ proficiency improved to a good level, with the average score increasing from 108.18 to 158.91. This improvement is reflected across all four language skills, especially in listening and speaking. The results of the paired sample t-test indicate a significance value of 0.001 (< 0.05), meaning that the short course program has a significant effect on students’ Mandarin language proficiency. Therefore, the short course program is proven to be effective in improving Mandarin language skills and can be recommended for curriculum development and academic policy at UNM.