Faculty of Mathematics and Natural Sciences: Recent submissions
Now showing items 301-320 of 11427
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Potensi Pupuk Hayati FertoMAX dalam Mengendalikan Penyakit Layu Fusarium Pada Tanaman Cabai Merah (Capsicum annum L.)
(Universitas Sumatera Utara, 2025)FertoMAX is a biofertilizer developed by the Palm Oil Research Center that requires validation of its effectiveness in promoting plant growth and controlling diseases in cultivated crops such as red chilli (Capsicum ... -
Jenis-jenis Lumut (Bryophyte) dan Analisis Kemampuan Penyerapan Logam Timbal (Pb) di Kampus Universitas Sumatera Utara
(Universitas Sumatera Utara, 2025)Universitas Sumatera Utara (USU), located in the center of Medan City, serves as a center for educational activities, making it a place that has a quite high volume of motor vehicle traffic, which contributes to the ... -
Pemanfaatan Limbah Tandan Kosong Kelapa Sawit (Elaeis Guineensis Jack) dan Pasir Besi Alam Sebagai Adsorben Logam Berat Tembaga
(Universitas Sumatera Utara, 2025)In this research, the synthesis and characterisation of the raw materials of activated carbon of oil palm empty fruit bunches and natural iron sand as an adsorbent for heavy metal copper using a composition ratio of 1 : ... -
Analisis Kandungan Logam Berat Pb dan Cd pada Daging Ikan Nila (Oreochromis niloticus) di Muara Sungai Percut Sei Tuan, Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2025)The river is a long stream that flows from upstream to downstream, the Percut river flows from the upstream area of Sibolangit sub-district to the downstream area of Percut Sei Tuan sub-district. The number of activities ... -
Pengaruh Ekstrak Etanol Lumut Hati Marchantia paleacea Bertol. Pada Jaringan Payudara Tikus (Rattus norvegicus L.) Setelah Diinduksi 7,12 Dimetilbenz(α)anthracene (DMBA)
(Universitas Sumatera Utara, 2025)nticancer agent, It possesses antiproliferative properties, and may influence the growth of mammary nodules. This study seeks to assess the impact of Marchantia paleacea Bertol methanol extract on the breast tissue ... -
Sistem Peringatan pada Titik Buta Kendaraan Truk Menggunakan Sensor Ultrasonik HC-SR04 dan ESP32-CAM dengan Tampilan Visual Node-RED
(Universitas Sumatera Utara, 2025)Traffic accidents involving large vehicles such as trucks are often caused by blind spot areas that are not visible to the driver. To address this issue, this study aims to design and implement a blind spot warning system ... -
Kajian Metode Fuzzy Sugeno dalam Mengidentifikasi Tingkat Risiko Kebakaran Hutan
(Universitas Sumatera Utara, 2025)In the implementation of fuzzy logic, the Sugeno fuzzy method faces several challenges, such as issues in determining the fuzzy rule base and the occurrence of undefined outputs (defuzzification) with values of 0/0. ... -
Studi Etnoornitologi Burung Kuntul Famili (Ardaidae) di Desa Tanjung Rejo Kecamatan Percut Sei Tuan Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2025)Tanjung Rejo Village,located at Percut Sei Tuan District, Deli Serdang Regency, North Sumatra, is one of the areas that has a fairly high bird population and one of the areas that act as a habitat for waterfowl, especially ... -
Kelimpahan, Komposisi Ukuran dan Pola Pertumbuhan Kepiting Bakau (Scylla serrata) di Estuari Karang Gading Kabupaten Deli Serdang Sumatera Utara
(Universitas Sumatera Utara, 2025)Mangrove crabs play a role in increasing oxygen distribution in estuarine areas. The Karang Gading estuary area is located in the Karang Gading mangrove ecosystem. Several parts of the area in the Karang Gading mangrove ... -
Potensi Ekstrak Jamur Tiram (Pleurotus ostreatus) sebagai Antilipid dalam Memperbaiki Aorta Tikus (Rattus norvegicus L.) Jantan Model Hiperlipidemia
(Universitas Sumatera Utara, 2025)Dyslipidemia is one of the major risk factors for cardiovascular disease, characterized by disturbances in blood lipid profiles and histological changes in the aortic blood vessels. The use of synthetic drugs such as ... -
Perancangan an Pengaplikasian Sensor SO2 untuk Sistem Pemantauan Polusi Udara Berbasis IoT di Sekitar PLTU Pangkalan Susu
(Universitas Sumatera Utara, 2025)Air pollution is one of the major environmental issues that negatively impacts human health and ecosystems. One of the main pollutants contributing to air pollution is sulfur dioxide (SO₂), which is produced by the combustion ... -
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 ...