Faculty of Mathematics and Natural Sciences: Recent submissions
Now showing items 321-340 of 11427
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Sistem Monitoring Cairan Infus menggunakan Sensor Berat dan Sensor Optocoupler Berbasis Internet of Things (IoT)
(Universitas Sumatera Utara, 2025)Hospitals are in dire need of fluids such as IV fluids for every patient being treated, because these fluids play an important role in maintaining electrolyte balance, hydration, and supporting the patient's nutritional ... -
Rancang Bangun Sistem Brankas Otomatis dengan Fitur Deteksi Pencurian dan Pengunci Ruangan Berbasis Internet of Things (IoT)
(Universitas Sumatera Utara, 2025)The rising number of theft and robbery cases highlights the urgent need for more advanced security systems, especially for safeguarding safes that store valuable items and important documents. Conventional security methods, ... -
Analisis Logam Berat Timbal (Pb) Dan Kadmium (Cd) pada Daging Ikan Kedukang (Hexanematichthys Sagor) di Muara Sungai Percut Kabupaten Deli Serdang Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2025)The Percut River is an area widely used by the community for various activities such as bathing, washing, disposing of waste, as well as as a transportation route and fishing location. This activity has potentially to ... -
Pengaruh Nanoherbal Daun Gagatan Harimau (Paraboea leuserensis B.L.Burtt.) Terhadap Histologi Retina Tikus Wistar (Rattus norvegicus L.) Jantan Yang Diinduksi Doksorubisin
(Universitas Sumatera Utara, 2025)Doxorubicin is a chemotherapy drug from the anthracycline group that is effective in inhibiting DNA replication in cancer cells; however, its use may cause toxic effects on visual organs, including the retina. The tiger ... -
Gambaran Kariotipe Ikan Sinodontis (Synodontis eupterus Boulenger 1901) Untuk Studi Genetika
(Universitas Sumatera Utara, 2025)Synodontis eupterus is a popular freshwater ornamental fish. It is unique for its upside-down swimming behavior and its beautifully flowing dorsal fin. Research on Synodontis eupterus had not been conducted before, so ... -
Sistem Pengontrol Suhu, Kelembapan dan Intensitas Cahaya pada Rumah Kaca Berbasis Internet of Things (Iot) Menggunakan Blynk
(Universitas Sumatera Utara, 2025)This study introduces an IoT-based system designed to regulate temperature, humidity, and light intensity in a greenhouse using the Blynk platform. The system ensures real-time monitoring and control of environmental ... -
Gambaran Kariotipe Ikan Patin Siam (Pangasianodon hypopthalmus): Untuk Studi Genetika
(Universitas Sumatera Utara, 2025)The Siam catfish (Pangasianodon hypophthalmus) is one of leading commodity in freshwater fish farming, widely recognized by Indonesians for many years. From a systematic perspective, the Siam catfish (Pangasianodon ... -
Analisis Kariotipe Ikan Hantu Hitam, Black Ghost (Apteronotus albifrons Linnaeus, 1766)
(Universitas Sumatera Utara, 2025)The Black Ghost fish (Apteronotus albifrons) is an introduced species originating from the Amazon River, South America. The Black Ghost fish has a laterally compressed body shape and a dark black coloration. It is ... -
Pengaruh Ekstrak Etanol Daun Kelor (Moringa oleifera) Terhadap Jaringan Payudara Tikus (Rattus norvegicus L.) Setelah Diinduksi 7,12 Dimetilbenz(α)anthracene (DMBA)
(Universitas Sumatera Utara, 2025)Moringa oleifera contains bioactive compounds that can be used as an alternative cancer treatment. This study aims to determine the effect of giving ethanol extract of moringa leaves on the breast tissue of rats induced ... -
Jenis-Jenis Piperaceae di Kebun Raya Sipirok Kabupaten Tapanuli Selatan Sumatera Utara
(Universitas Sumatera Utara, 2025)Piperaceae is a group of flowering plants that have aromatical characteristics usually use as medicinal plants and ornamental plants. The Sipirok Botanical Garden area has a topographic and ecological conditions that support ... -
Jenis-Jenis Poaceae di Kebun Raya Sipirok Kabupaten Tapanuli Selatan Sumatera Utara
(Universitas Sumatera Utara, 2025)Poaceae are grass plants that are found in primary or secondary forest areas. Sipirok Botanical Garden is one of the conservation areas that has 5 types of vegetation, namely the natural forest, the former plantations, the ... -
Gambaran Kariotipe Ikan Tikus, Bronze Cory (Corydoras aeneus Gill, 1858)
(Universitas Sumatera Utara, 2025)Corydoras aeneus is a freshwater ornamental fish native to the waters of South America. It is exhibiting unique behavior of cleaning aquarium walls with its mouth. C. aeneus locally known as the mouse fish, and it has ... -
Bilangan Kromatik Harmonik pada Graf Hasil Kali Kartesian P3 x Sn
(Universitas Sumatera Utara, 2025)This research discusses the harmonious chromatic number on the Cartesian product of a path graph with three vertices (P3) and a star graph with n vertices (Sn). Harmonious coloring is a vertex coloring of a graph such that ... -
Jenis, Prevalensi Dan Intensitas Endoparasit Gastrointestinal Pada Kambing (Capra Aegagrus) Di Peternakan Bomo, Percut Sei Tuan, Deli Serdang, Sumatera Utara
(Universitas Sumatera Utara, 2025)Endoparasites are the primary cause of health problems in goats. Endoparasite infections lead to various clinical issues that reduce livestock productivity. The research of endoparasites in goats at Bomo Farm, Percut Sei ... -
Analisis Ideogram Kromosom Ikan Sepat Ralis (Dwarf Gourami),Trichgaster lailus (Buchanan-Hamilton, 1852) Dengan Menggunakan Software Ideokar 1.3
(Universitas Sumatera Utara, 2025)The sepat ralis fish (Trichogaster lailus) is a peciformes fish with a distribution in the southern Asia region such as India, Pakistan and Bangladesh. The sepat ralis fish has introduced to Indonesia in 1934. This study ... -
Perbandingan Perkembangan Telur Nyamuk Aedes aegypti Yang Dikembangbiakkan Dengan Pemberian Perlakuan Pakan Darah Manusia (Homo sapiens) dan Darah Mencit (Mus musculus L.)
(Universitas Sumatera Utara, 2025)Mosquitoe particulary Aedes aegypti is the main vectors of the dengue disease that cause dengue hemorrhagic fever (DHF) on human.. The disease has anthropophilic and zoophilic characteristics. The female mosquito requires ... -
Pengaruh Ekstrak Etanol Buah Pare (Momordica charantia L.) terhadap Limpa Mencit (Mus musculus L.) yang Dipapar Obat Antinyamuk Elektrik
(Universitas Sumatera Utara, 2025)Exposure to toxic active chemicals such as continuously use of electric mosquito repellent can trigger oxidative stress. Excessive oxidative stress has the potential to damage tissues and organs, including the spleen. ... -
Kandungan Logam Berat Timbal (Pb) pada Daging Kerang Bulu (Anadara Antiquata) di Perairan Pantai Kecamatan Pantai Cermin.pdf
(Universitas Sumatera Utara, 2025)The coastal area of Pantai Cermin District, Serdang Bedagai Regency has a plenty of marine biota, one of which is the feather clam (Anadara antiquata). The feather clam functions as a bioindicator of water pollution ... -
Kepadatan, Pola Distribusi dan Pola Pertumbuhan Kepah (Polymesoda erosa) di Perairan Estuari Karang Gading Kabupaten Deli Serdang, Sumatera Utara.
(Universitas Sumatera Utara, 2025)Mangrove ecosystems are complex ecosystems consisting of flora and fauna. P. erosa is a filter feeder animal as well as a suspension feeder that lives at the bottom of the water and immerses itself in muddy substrates. ... -
Pengaruh Ekstrak Etanol Buah Pare (Momordica charantia L.) sebagai pulmoprotektor pada Mencit (Mus musculus L.) yang Terpapar Obat Antinyamuk Elektrik
(Universitas Sumatera Utara, 2025)Electric mosquito repellent is a material that is heated with an electrically that contains a dangerous chemical compound called allethrin. Allethrin can trigger oxidative stress which affects lung health. Oxidative stress ...