Faculty of Mathematics and Natural Sciences: Recent submissions
Now showing items 341-360 of 11456
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Sistem Dual Pasteurisasi Susu Thermal dan Non Thermal Dilengkapi Pengaduk dengan Monitoring Menggunakan Internet of Things (IoT)
(Universitas Sumatera Utara, 2025)The dual milk pasteurization system based on ESP32, which utilizes the working principles of a flyback transformer and a 2000-watt water heater, is capable of improving milk quality in accordance with SNI 3141.1:201 ... -
Pengaruh Ekstrak Etanol Daun Kelor (Moringa oleifera) Pada Histologi Ginjal Tikus (Rattus norvegicus L.) Model Kanker Payudara
(Universitas Sumatera Utara, 2025)Moringa leaves (Moringa oleifera) have potential as a medicine to maintain renal safety activities which act as an anti-inflammatory, antioxidant and anticancer properties. This study seeks to assess the impact of ethanol ... -
Pengaruh Ekstrak Metanol Lumut Hati Marchantia paleacea Bertol. Pada Histologi Ginjal Tikus (Rattus norvegicus L.) setelah Induksi 7,12-Dimethylbenz(a)anthracene (DMBA).
(Universitas Sumatera Utara, 2025)Liverwort Marchantia paleacea Bertol. comprises bis-bibenzyl (marchantin), saponins, flavonoids, and terpenoids, which exhibit pharmacological activity including antibacterial, antioxidant, antipyretic, apoptotic, and ... -
Pengaruh Pemberian Ekstrak Jamur Tiram Putih (Pleurotus ostreatus) terhadap Histopatologi Lambung Tikus (Rattus norvegicus L.) Jantan Model Hiperlipidemia
(Universitas Sumatera Utara, 2025)White oyster mushroom is a species of fungi that potentially as a natural statin in improving blood lipid levels by lowering the cholesterol levels. This study aims to determine an antioxidant activity of white oyster ... -
Pengaruh Pemberian Ekstrak Jamur Tiram (Pleurotus ostreatus) terhadap Histologi Ginjal Tikus (Rattus norvegicus) Model Hiperlipidemia
(Universitas Sumatera Utara, 2025)Hyperlipidemia can cause impaired kidney function. Oyster mushrooms (Pleurotus ostreatus) contain lovastatin which is able to reduce cholesterol levels in the blood. This study aims to determine the effect of oyster ... -
Implementasi Timbangan Emas Berbasis Internet of Things (IoT) dengan Keluaran Struk Digital
(Universitas Sumatera Utara, 2025)Many gold traders still used manual scales in buying and selling transactions, which often led to inaccurate measurements and potential errors in transaction recording. Additionally, the use of paper receipts increased ... -
Hubungan Faktor Fisika Kimia Air, Logam Berat Kadmium (Cd) dan Tembaga (Cu) terhadap Keanekaragaman Makrozoobentos di Sungai Belawan
(Universitas Sumatera Utara, 2025)The diversity of macrozoobenthos and the concentrations of heavy metals cadmium (Cd) and copper (Cu) influenced the water quality in Belawan River.The extensive human activities in the Belawan river have turned the ... -
Kepadatan, Distribusi dan Pola Pertumbuhan Udang Putih (Penaeus merguiensis de Man) di Estuari Karang Gading, Kabupaten Deli Serdang, Sumatera Utara
(Universitas Sumatera Utara, 2025)Karang Gading Estuary located on the east coast of North Sumatra with an area of ± 6,245 hectares, is one of the important areas for fishermen, especially to caught the white shrimp species (Penaeus merguiensis). White ... -
Hubungan Faktor Fisika Kimia Air, Logam Berat Besi (Fe) dan Timbal (Pb) terhadap Keanekaragaman Fitoplankton di Sungai Belawan
(Universitas Sumatera Utara, 2025)Rivers have an important in human life as the source of clean water, but their water quality often declined due to human excessive activities around them. This study focuses on the analysis of the relationship between water ... -
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 ...