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All Journal Indonesian Physical Review Walisongo Journal of Information Technology
Siti Nur’Aini
Jurusan Sistem Informasi Fakultas Teknik Universitas Pesantren Tinggi Darul ‘Ulum (Unipdu) Jombang
Computer Science & IT Education Engineering Physics

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Steganografi Pada Digital Image Menggunakan Metode Least Significant Bit Insertion Nur’aini, Siti
Walisongo Journal of Information Technology Vol 1, No 1 (2019): Walisongo Journal of Information Technology
Publisher : Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/wjit.2019.1.1.4025

Abstract

Steganography is a way to hide messages or confidential data in a medium called a carrier file. Embedding is done by the Least Significant Bit Insertion method, which is to replace the lowest bit of Red Green Blue (RGB) each pixel with the data bit you want to insert. With this method the difference between pixels that have not been pasted by messages and pixels that have been pasted by messages cannot be distinguished by human eye sight. Because the LSB insertion method is used, it is necessary to consider the type of digital image format used, this is necessary to avoid the loss of messages when extracting. And the best digital image format used is the 24-bit BMP because the BMP format is lossless compression
Pengenalan Deoxyribonucleic Acid (DNA) Dengan Marker-Based Augmented Reality Nur’aini, Siti; Mukaromah, Arnia Sari; Muhlisoh, Siti
Walisongo Journal of Information Technology Vol 1, No 2 (2019): Walisongo Journal of Information Technology
Publisher : Universitas Islam Negeri Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/wjit.2019.1.2.4531

Abstract

Proses belajar yang baik harus memuat aspek interaktif, memotivasi, menyenangkan dan memberikan ruang bagi siswa untuk dapat mengembangkan kreativitas dan kemandirian. Siswa kadangkala merasa kesulitan pada saat mengillustrasikan isi pembelajaran yang berupa pengetahuan konsep dan prosedur. Dalam pelajaran biologi, materi terkait konsep dasar struktur Deoxyribonucleic Acid (DNA) merupakan materi yang bersifat teoritik dan abstrak. Pemahaman konsep seperti ini  memerlukan penggambaran dan modelling yang lebih realistik agar mudah dipahami. Visualisasi dari sumber belajar dan media belajar yang ada sudah dapat membantu  mempermudah pemahaman  konsep, tetapi variasi media yang lebih nyata, menarik, dan kekinian diharapkan dapat lebih meningkatkan minat siswa.  Pengembangan aplikasi Augmented Reality dapat menjadi salah satu alternatif media pembelajaran DNA. Aplikasi ini dikembangkan dengan metode ADDIE menggunakan Unity3D dan Vuforia. Hasil pengujian fungsional menunjukkan semua fitur dapat berjalan dengan baik sesuai dengan kebutuhan di berbagai versi sistem operasi android. Sedangkan pengujian usability menunjukkan kepuasan mahasiswa sebanyak  86% yang artinya aplikasi ini dapat membantu mahasiswa dalam memahami materi DNA.
EFFECT OF FE3O4/SIO2/TIO2 PHOTOCATALYST ON POLLUTANT MANAGEMENT IN SWAMP WATER Liasari, Beta Riana; Arsyad, Fitri Suryani; Assaidah, Assaidah; Ramlan, Ramlan; Nur’aini, Siti; Soerya, Balada
Indonesian Physical Review Vol. 7 No. 1 (2024)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v7i1.271

Abstract

Water is an essential source of life, thus regulating its purity is critical in daily living. Water has a high acid content (pH) and contains a variety of harmful chemical elements such as iron (Fe), copper (Cu), sulphate (SO4), nitrate (NO3), chloride (Cl), and other dangerous bacteria. The goal of this research is to create wastewater management such that it can be used by the community. The process involves creating Fe3O4 catalysts that have been modified using SiO2 and TiO2. The application of dirty water employs Fe3O4/SiO2/TiO2 to bind contaminants in polluted water. The results of the photocatalyst process carried out by Fe3O4/SiO2/TiO2 reach 90% in 180 minutes of UV light irritation so that it can degrade water pollutants such as methylene orange.
Co-Authors Arsyad, Fitri Suryani Assaidah Assaidah, Assaidah Laksono Trisnantoro Liasari, Beta Riana Muhlisoh, Siti Ramlan, H. Soerya, Balada