Undergraduate Theses
Undergraduate Theses
Recently added
Now showing items 141-160 of 977
-
Keanekaragaman Jenis Liken pada Tegakan Pohon di Kampus Universitas Sumatera Utara Medan
(Universitas Sumatera Utara, 2024)University of North Sumatera has a fairly high diversity of vegetation. The cool temperature of 23℃ and a height of 2.5 – 37.5 meters above sea level does not support many types of lichenes to live in this region. However, ... -
Isolasi dan Uji Antimikroba Bakteri Endofit Tanaman Lidah Buaya (Aloe vera (L.) Burm.f.) terhadap Beberapa Mikroba Patogen Manusia
(Universitas Sumatera Utara, 2022)Endophytic bacteria are bacteria that live inside plant tissues without causing any symptoms. Endophytic bacteria may produce bioactive compound such as antimicrobial substances. Isolation of endophytic bacteria from aloe ... -
Isolasi dan Uji Potensi Jamur Endofit Penghasil Enzim Lakase dari Akar Kelapa Sawit (Elaeis guineensis Jacq.)
(Universitas Sumatera Utara, 2024)Endophytic fungi from oil palm (Elaeis guineensis Jacq.) known produce degradative enzymes such as laccase. This study aimed to obtain endophytic fungi produce laccase enzymes isolated from oil palm roots continue by ... -
Distribusi dan Karakteristik Habitat Larva, serta Morfologi Nyamuk Anopheles spp. di Desa Ujung Bandar, Kecamatan Salapian, Kabupaten Langkat, Sumatera Utara
(Universitas Sumatera Utara, 2024)Ujung Bandar Village, Salapian District, Langkat Regency has experienced changes in ecological conditions. These changes were caused by human activities. Increased risk of transmission of malaria transmitted by Anopheles ... -
Analisa Kandungan Logam Berat (As, Cd, Pb dan Hg) pada Jaringan Tubuh Udang di Sungai Batang Toru Kecamatan Batang Toru, Kabupaten Tapanuli Selatan
(Universitas Sumatera Utara, 2023)Batang Toru River is a river that is widely used for agricultural, plantation and industrial needs in the form of gold mining, oil palm plantations, and rubber plantations. As a result of these various activities, river ... -
Keanekaragaman Ikan di Perairan Pulau Poncan Gadang Kabupaten Tapanuli Tengah, Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2024)Research on fish diversity was conducted in the waters of Poncan Gadang Island, Central Tapanuli Regency, North Sumatra in March 2023. The purpose of this study was to analyze fish diversity and its relationship with ... -
Uji Efektivitas Nanoherbal Daun Gagatan Harimau (Vitis gracilis Wall.) terhadap Histologi Pankreas Tikus Wistar (Rattus norvegicus L.) Jantan Model Diabetes Mellitus yang Diinduksi Aloksan
(Universitas Sumatera Utara, 2024)Gagatan harimau leaves (Vitis gracilis Wall.) are a potential anti-diabetic plant due to their secondary metabolites, including flavonoids, phenols, and gagatan harimau leaves contain secondary metabolites, including ... -
Uji Efektivitas Nanoherbal Daun Gagatan Harimau (Vitis gracilis Wall.) terhadap Histologi Ginjal Tikus Wistar (Rattus norvegicus L.) Jantan Model Diabetes Mellitus yang Diinduksi Aloksan
(Universitas Sumatera Utara, 2024)Vitis gracilis (gagatan harimau) contains secondary metabolites, namely flavonoids and terpenoids, which act as antioxidants and trigger improvements in the histological structure of organs with nanometre sizes. These ... -
Pengaruh Ekstrak Etanol Daun Sambung Nyawa (Gynura procumbens [lour.] Merr.) terhadap Lesi Aterosklerosis pada Tikus Putih (Rattus norvegicus l.) Jantan yang Diinduksi Aloksan
(Universitas Sumatera Utara, 2024)Diabetes mellitus is a disease that occurs due to impairment of the insulin production and the supply in the body characterized by high glucose levels (hyperglicemia). The sambung nyawa (SB) leaf extract has bioactive ... -
Uji Efektivitas Nanoherbal Daun Gagatan Harimau (Vitis gracilis Wall.) terhadap Histologi Hati Tikus Wistar (Rattus norvegicus L.) Jantan Model Diabetes Mellitus yang Diinduksi Aloksan
(Universitas Sumatera Utara, 2024)Diabetes mellitus can damage organs and tissues in the body, especially the liver. The leaves of gagatan harimau (Vitis gracilis Wall.) contain metabolites, namely flavonoids and terpenoids, which act as antioxidants and ... -
Uji Efektivitas Nanoherbal Daun Gagatan Harimau (Vitis gracilis Wall.) terhadap Histologi Testis Tikus Wistar (Rattus norvegicus L.) Jantan Model Diabetes Mellitus yang Diinduksi Aloksan
(Universitas Sumatera Utara, 2024)Diabetes mellitus can affect the testicular organs, including a reduction in the size and weight of the testicular size and weight, increased abnormalities in spermatogenesis, characterised by the number of sperm produced. ... -
Pengaruh Ekstrak Etanol Daun Sambung Nyawa (Gynura procumbens [Lour.] Merr.) terhadap Histologi Pankreas Tikus (Rattus novergicus L.) Jantan yang Diinduksi Aloksan
(Universitas Sumatera Utara, 2024)The use of herbal plants as antidiabetic drugs can be deployed as an alternative to reduce the consumption of drugs that are relatively expensive and have many side effects in the treatment of diabetes. One plant that can ... -
Perilaku Menyusu Anak Gajah Sumatra (Elephas maximus sumatranus) di Kawasan Taman Nasional Gunung LeuserResort Tangkahan, Langkat, Sumatera Utara
(Universitas Sumatera Utara, 2024)This research aims to explain the suckling behavior of Sumatran elephant calves (Elephas maximus sumatrans) in the Gunung Leuser Resort Tangkahan National Park area, Langkat, North Sumatra. The process when an elephant ... -
Isolasi Fragmen Gen pup1 sebagai Gen Ketahanan Penyakit Blas pada Padi Siporang (Oryza Sativa L.) dari Sipirok, Sumatera Utara
(Universitas Sumatera Utara, 2024)The decline in rice productivity can be caused by disease attack to the paddy, one of them is blast disease, it is caused by the hemibiotropic fungus Pyricularia oryzae. In North Sumatra, rice that resistant to blast ... -
Profil Kandungan Beta Glukan Jamur Polyporales di Hutan Batu Katak, Sumatera Utara
(Universitas Sumatera Utara, 2024)Polyporales fungi produce active compounds and secondary metabolites that have a variety of properties, such as beta glucan. Beta glucan is part of the cell walls of bacteria, plants, algae, cereals and fungi. Beta glucan ... -
Histologi Hati Tikus Wistar (Rattus Norvegicus L.) Jantan yang Diberi Ekstrak Etanol Daun Sambung Nyawa (Gynura Procumbens [Lour.] Merr.) setelah Diinduksi Aloksan Skripsi
(Universitas Sumatera Utara, 2024)The ethanol extract of Sambung nyawa leaves has the potential to reduce liver histopathology and blood sugar levels generated by alloxan in rats (Rattus norvegicus L.). The present study investigates the impact of ... -
Pengaruh Penambahan Serbuk Daun Bangun-Bangun (Coleus Ambonicus) pada Pelet Komersil terhadap Pertumbuhan dan Kelangsungan Hidup Ikan Patin (Pangasius Hypopthalmus)
(Universitas Sumatera Utara, 2024)Patin fish (Pangasius hypopthalmus) is one of the freshwater fisheries commodities with high economic value. Patin fish belonging to the Pangasidae family is generally found in large rivers, especially in Sumatra. The ... -
Hubungan Logam Berat Timbal (Pb) dan Kadmium (Cd) terhadap Keanekaragaman Fitoplankton di Sungai Belawan
(Universitas Sumatera Utara, 2024)The Belawan River is one of the rivers in the province North Sumatra which crosses at Deli Serdang Regency and Medan City. At the moment, the river is used for residential and industrial activities. Waste that is disposed ... -
Kepadatan Populasi dan Pola Pertumbuhan Kerang Darah (Anadara Granosa) di Pantai Cemara Kembar, Desa Sei Nagalawan, Kabupaten Serdang Berdagai, Sumatera Utara
(Universitas Sumatera Utara, 2024)The waters of Cemara Kembar beach are extensive waters located in Serdang Berdagai Regency. This beach is a tourist area and is close to the river mouth. This research aims to determine population density, growth patterns ... -
Respon Pertumbuhan Jagung Manis (Zea Mays L.) Akibat Pemberian Pupuk Organik Cair (POC) Kulit Buah Durian (Durio Zibethinus Murr.)
(Universitas Sumatera Utara, 2024)This study aims to determine the response of sweet corn (Zea mays L.) plants to the application of durian peel liquid organic fertilizer (POC) and determine the best concentration of durian peel liquid organic fertilizer ...
RSS 1.0