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All Journal Scriptura J@TI (TEKNIK INDUSTRI) Pandecta CommIT (Communication & Information Technology) Agora Jurnal Teknologi Informasi dan Ilmu Komputer Jurnal Edukasi dan Penelitian Informatika (JEPIN) Jurnal Ilmiah Teknik Industri Jurnal Skripsi STMIK TIME Info-Teknik Jurnal Informatika Jurnal Ekonomi Integra Mesin Martabe : Jurnal Pengabdian Kepada Masyarakat Fair Value: Jurnal Ilmiah Akuntansi dan Keuangan Journal Of Widya Medika Junior Jurnal Administrasi dan Manajemen Jurnal Muara Sains, Teknologi, Kedokteran dan Ilmu Kesehatan JURNAL MUTIARA MANAJEMEN JENIUS (Jurnal Ilmiah Manajemen Sumber Daya Manusia) Prosiding Temu Profesi Tahunan PERHAPI Indonesian Journal of Advocacy and Legal Services Jurnal Prima Medika Sains Community Engagement and Emergence Journal (CEEJ) Jurnal Komunitas: Jurnal Pengabidian Kepada Masyarakat Jurnal Penelitian Pendidikan, Psikologi Dan Kesehatan (J-P3K) Elektrika Borneo Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Journal of Management and Bussines (JOMB) Dinasti International Journal of Economics, Finance & Accounting (DIJEFA) STUDI PELAKSANAAN SELFMEDICATION PADA PENDERITA DIARE BERDASARKAN TINGKAT PENGETAHUAN MASYARAKAT PESISIR KECAMATAN SOROPIA KABUPATEN KONAWE Riset: Jurnal Aplikasi Ekonomi Akuntansi dan Bisnis Indonesian Journal of Legality of Law Jurnal Manajerial Dan Kewirausahaan Prosiding Konferensi Nasional PKM-CSR Bussman Journal : Indonesian Journal of Business and Management Jurnal Locus Penelitian dan Pengabdian Jurnal Bina Komputer Makara Journal of Health Research DEVICE : JOURNAL OF INFORMATION SYSTEM, COMPUTER SCIENCE AND INFORMATION TECHNOLOGY Jurnal Ilmiah MEA (Manajemen, Ekonomi, dan Akuntansi) Beatitudes: Jurnal Pengabdian Kepada Masyarakat Eduvest - Journal of Universal Studies MDP Student Conference Accounting Student Research Journal Global Research on Economy, Business, Communication, and Information The International Journal of Medical Science and Health Research Jurnal Sains Materi Indonesia Jurnal Arsitektur ARCADE Computer & Science Industrial Engineering Journal Jurnal Ilmu Kesejahteraan Sosial Indonesian Journal of Advocacy and Legal Services Jurnal Widya Medika
Steven Steven
Computer Science Department, School of Computer Science, Bina Nusantara University Jl. KH. Syahdan No. 9, Jakarta 11480, Indonesia.
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Synthesis and Characterization of Biocompatible Facial Sheet Masks Utilizing Ginger Cellulose and Jicama Starch Nisazarifa, Adristi; Mardiyati, Yati; Steven, Steven
Jurnal Sains Materi Indonesia Vol. 27 No. 2 (2026): Jurnal Sains Materi Indonesia
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jsmi.2026.13109

Abstract

Sheet masks are one of the most widely used beauty products to improve skin health. The increase in sheet mask usage leads to an increase in its waste, while some of the sheet masks contain synthetic fibers that are not biodegradable in the environment. Many researchers have been interested in innovating sheet masks by using natural polymer materials. Starch and cellulose were chosen because they are potentially environmentally friendly and biocompatible products. The solution casting method is used to produce sheet masks. Ginger cellulose and jicama starch were mixed, and the mass ratios of cellulose and starch are 100:0, 100:20, 100:40, 100:60, and 100:80. The addition of starch to cellulose tends to decrease the tensile strength and increase the percent elongation of the sample. The sample with a 100:0 ratio had the highest tensile strength at 34.75 MPa, while the highest percent elongation was achieved by the sample with a 100:40 ratio, measuring 4.80%. The absorption index of the sample to serum decreased with increasing starch composition. Samples with a mass ratio of cellulose to starch of 100:0, 100:20, and 100:40 exhibited better biodegradability than commercial sheet masks. Most of the samples undergo 100% biodegradation after 12 days of the biodegradation test. This research aims to develop a sheet mask made from ginger cellulose and jicama starch, which has flexible properties that allow it to conform to the shape of the face while also effectively absorbing serum or essence. This research can be used as an alternative for choosing sheet mask materials as a way to reduce plastic waste.
Pengaruh Gaya Hidup Dan Kepercayaan Terhadap Keputusan Pembelian Konsumen Pada Lazada (Studi Kasus Pada Mahasiswa MTU Manajemen) Purba, Roberto Roy; Tambunan, Elisabet; Simanjuntak, Owen De Pinto; Steven, Steven
Community Engagement and Emergence Journal (CEEJ) Vol. 7 No. 3 (2026): Community Engagement & Emergence Journal (CEEJ)
Publisher : Yayasan Riset dan Pengembangan Intelektual

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37385/ceej.v7i3.10450

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh gaya hidup dan kepercayaan terhadap keputusan pembelian konsumen pada Lazada (studi kasus pada mahasiswa MTU Manajemen). Lazada, salah satu e-commerce terbesar di Indonesia, menghadapi penurunan daya saing akibat promosi yang kurang agresif, inovasi layanan yang lemah, serta persepsi negatif terkait pengiriman dan layanan pelanggan. Meski telah berinovasi lewat fitur livestream dan AI, Lazada tertinggal dari pesaing seperti Shopee, Tokopedia, dan TikTok Shop, terlihat dari rendahnya persentase pengguna. Rendahnya kepercayaan konsumen terhadap kualitas produk dan ulasan turut menurunkan keputusan pembelian, membuat konsumen lebih memilih platform yang dianggap lebih terpercaya dan praktis. Populasi yang digunakan adalah seluruh mahasiswa Universitas MTU Medan yang melakukan pembelian menggunakan Lazada yang jumlahnya tidak diketahui secara pasti. Dikarenakan oleh jumlah populasi yang tidak diketahui, dapat dijelaskan bahwa perhitungan sampel dengan pendekatan rumus Lemeshow dapat digunakan untuk menghitung jumlah sampel dengan jumlah populasi yang tidak diketahui secara pasti sehingga diperoleh sebanyak 96 sampel. Hasil penelitian menunjukkan bahwa Gaya Hidup (X1) secara parsial memiliki pengaruh positif dan signifikan terhadap Keputusan Pembelian (Y) pada Lazada. Kepercayaan (X2) secara parsial memiliki pengaruh positif dan signifikan terhadap Keputusan Pembelian (Y) pada Lazada. Gaya Hidup (X1) dan Kepercayaan (X2) secara simultan memiliki pengaruh positif dan signifikan terhadap Keputusan Pembelian (Y) pada Lazada.
Co-Authors Adrian Adrian Agus Maulana Agus Maulana Agustinus Fritz Wijaya Akbar Batubara, Faisal Alessandro, Febryan Alkautsar, Isminanda Andami, Helmina Andrew Verrayo Limas Antonius Wahyu Sudrajat Atrizka, diny Barata, Juliahir Bayu Kanigoro Carlyn, Caylie Ceria, Putri Indah Christine, Citra Eva Dafid Dafid Dafif, Muhammad Welly de Fatima, Julio CA Delima, Hastuti Denny Christanto, Denny Devita Devita Dewanto, Julius B Dinata, Mulya Disemadi, Hari Sutra Djuang, Michelle H. Dwi Putra, Achmad Irvan Elfrida Ratnawati Epriyanto Tri Darmadi Ernawati, Titiek Fadli, Mochammad Faisal Fakhrurrazy Fakhrurrazy Fathiah, Ritha Fitriah Handayani Fitriano, Andre Francka Sakti Lee Fransisca, Vanessa Gading, Meiwindriya Mutya Gautama, Jocky Golan Hasan, Golan Greniati Silaban, Nadia Juike Gulo, Videla Evan Elsia Gunawan, I Gusti Ngurah Anom Halim, Riandi Handoko, Koko Hanggraeni, Dewi Haried Novriando Hendryani, Hendryani Hendy Tannady Heri Enjang Syahputra Herlina, Yani Hesniati, Hesniati Huda, Abil Husnul Khatimah Ika Kartika Irwadi, Irwadi Jacelyn, Jacelyn Jan Horas Veryady Purba Jesichapramanda, Jesichapramanda Jessca, Jessca Jesslieca, Jesslieca Johan, Johny Jumardi Budiman Kavitan, Vebbie Laia, Intan Juita Laura Wihanto Lim, Albert Theriono Lu Sudirman Luaha, Khoisan L.N M Ezar Al Rivan Madiong , Baso Manihoni, Dameria Cyndi Mardiyati, Mardiyati Mardiyati, Yati Marpaung, Rolando marpaung, winida Melkior N.N. Sitokdana Mendrofa, Feri A. Mirza, Deni Faisal Nanik Linawati Nasrullah, M. Ikhsan Nisazarifa, Adristi Owen De Pinto Simanjuntak Paddy, Paddy Pagan Pambudi Permatasari, Adinda Destaloka Putri Pratama, Dwiki Surya Pratiwi, Sahira Jati Purba, Riski Herniko Purba, Roberto Roy Purnamasari, Laelah Rakhman, Abdullah Ricky Putra Ridwan Arifin Rihadi, Lukas Slamet Riomudita, Riomudita Rizkiawan, Sandi Robby, Robby Rochim Suratman Rodiyah - Runtuwene, lily Ruslan Renggong Said, Fitriani Santosa, Sigit Puji Sapira, Mokalistiani Saragih, Yoni Masdwita Sari, Febby Afria Sarmila, Yeni Sekar Wulan Prasetyaningtyas Sholva, Yus Sigit Hartanto, Sigit Sihombing, Benjamin Sihombing, Nopalina SIHOTANG, DONI SUGIANTO Silitonga, Sutan Parasian Sincihu, Yudhiakuari Siti Helmyati Srahputri, Nurdesri Sudianto, Kevin Fransisco Susetio, Mercy Mezia Suwasanti, Niluh Tambunan, Elisabet Tanoto, Steffi Tanzil, William Terina, Ang Usep Suhud Vania Vania Vania, Aline Victor Victor Vivian Vivian Waty, Indah Widia, Widia Winda Anggraeni Wulansari, Nurlita Yana Erlyana, Yana Yanuar Yanuar, Yanuar Yoni F Syukriani