Department of Biology: Recent submissions
Now showing items 161-180 of 1208
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Keanekaragaman Genetik Durian (Durio zibethinus Murr.) dari Kota Padangsidimpuan Berdasarkan Morfologi dan Simple Sequence Repeats (SSR)
(Universitas Sumatera Utara, 2023)The research of the the genetic diversity of durian from Padangsidimpuan had been carried out based on the morphology and the SSR (Simple Sequence Repeats) method. Ten durians were taken at random from people's plantations ... -
Efektivitas Tumbuhan Acorus calamus, Pistia stratiotes, dan Azolla pinnata sebagai Kandidat Agen Fitoremediasi Penyerapan Tembaga (Cu)
(Universitas Sumatera Utara, 2023)Metals are dangerous pollutants because they cannot be degraded in living bodies. Excessive amounts of metal can turn toxic. The purpose of this study was to determine the effectiveness of the Acorus calamus, Pistia ... -
Respon Pertumbuhan, Produksi, dan Kandungan Gizi pada Tanaman Kedelai Hitam [Glycine max (L.) Merr.] melalui Sistem Tanam Multi Kanopi
(Universitas Sumatera Utara, 2024)Black soybean [Glycine max (L) Merr is one of the legumes that has more anthocyanin content and has a longer shelf life than yellow soybean The increasing demand for soybean is not balanced with productivity, production ... -
Resiliensi Karang di Kawasan Konservasi Pesisir Timur Pulau Weh Kota Sabang, Provinsi Aceh
(Universitas Sumatera Utara, 2023)Corals frequently face threats from natural conditions such as bleaching. Bleaching events occurred in the waters surrounding Weh Island in 2010 and 2016, resulting in a decline in coral health. Therefore, it is crucial ... -
Analisis Kestabilan Genetik Embrio Somatik Kelapa Sawit (Elaeis guineensis Jacq.) Hasil Kultur Suspensi
(Universitas Sumatera Utara, 2024)The regeneration pathway through in vitro oil palm plants (Elaeis guineensis Jacq.) has so far been through somatic embryogenesis, as this process is capable of producing embryos with bipolar structures resembling zygotic ... -
Efek Ekstrak Etanol Daun Sikkam (Bischofia javanica) terhadap Profil Lipid, Histologi Aorta, dan Ginjal Tikus Putih Jantan Model Diabetes Mellitus
(Universitas Sumatera Utara, 2023)Metabolic disorders due to diabetes mellitus can cause several chronic complications that can lead to several complications, especially abnormalities in the lipid profile of the blood. Lipid profile abnormalities due to ... -
Jenis-Jenis Arecaceae di Kawasan Taman Hutan Raya Bukit Barisan Desa Bandar Baru Kecamatan Sibolangit Kabupaten Deli Serdang Sumatera Utara
(Universitas Sumatera Utara, 2024)Bukit Barisan Forest Park located at Bandar Baru Village Sibolangit District, is one of the forest area which has high diversity of plant species. one of them is the species of Arecaceae. This area has various topographical ... -
Pengaruh Ekstrak Metanol Buah Andaliman (Zanthoxylum Acanthopodium DC.) yang Berpotensi Sebagai Antifertilitas Terhadap Histomorfometri Jantung Mencit
(2023)The use of antifertility drugs or effective contraceptives should be without risk of failure, have few side effects and are easy to obtain. Andaliman (Z. acanthopodium) can be used as an herbal medicine for antifertility ... -
Efek Ekstrak Kulit Durian (Durio Zibethinus Murr.) Terhadap Gambaran Morfologi dan Histologi Limpa Tikus (Rattus Norvegicus L.) yang Diinduksi 7, 12-Dimetilbenz-[A] Antrasen (DMBA)
(Universitas Sumatera Utara, 2023)Durian peel (Durio zibethinus Murr.) contains compounds that have potential as antioxidants. Research on the effect of durian peel extract (Durio zibethinus Murr.) on the morphological and histological images of the spleen ... -
Pengaruh Kitosan Terhadap Pertumbuhan Protocorm-Like Bodies Dendrobium Sp.
(Universitas Sumatera Utara, 2023)Plant tissue culture is one of several techniques use to multiply orchids. Using plant growth regulators on plant tissue culture can accelerate plant growth. Chitosan can be used as a growth promoter of orchids. This study ... -
Hubungan Amonia (NH3) dan Fosfat (PO4) Terhadap Keanekaragaman Makrozoobentos di Sungai Belawan
(Universitas Sumatera Utara, 2023)The flow of the Belawan River through a dense populated areas and factories causes waste pollution containing ammonia and phosphate which affects the diversity of aquatic organisms such as macrozoobenthos. This research ... -
Induksi Kalus, Protocorm-Like Bodies (PLBs), Dan Tunas Dendrobium sp. pada Media MS dengan Variasi Kombinasi Benzyl Amino Purine (BAP) dan Auksin
(Universitas Sumatera Utara, 2023)Conventional propagation of Dendrobium orchids requires a relatively longer time and low success rate, so the propagation technique needs to be carried out using tissue culture techniques, among which by varying growth ... -
Penambahan Ekstrak Daun Wortel (Daucus Carota L) pada Pakan Buatan Terhadap Pertumbuhan dan Kelangsungan Hidup Benih Ikan Nila (Oreochromis Niloticus)
(Universitas Sumatera Utara, 2023)The research to analyze the effect of carrot leaf extract (Daucus carota L) addition to the the artificial feed on the growth and survival of tilapia fry (Oreochromis niloticus). This research had been carried out on January ... -
Pola Asuh Induk Terhadap Anak Gajah (Elephas Maximus Sumatranus) pada Aktivitas Nokturnal di Taman Nasional Gunung Leuser Resort Tangkahan, Langkat, Sumatera Utara
(Universitas Sumatera Utara, 2023)The Sumatran elephant (Elephas maximus sumatranus) is one of Indonesia's fauna. Parenting pattern is needed to form characterization of the elephant and carried out at juvenile stage because at that time the elephant calf ... -
Jenis dan Kepadatan Nyamuk Sebagai Vektor yang Bersifat Antropofilik dan Zoofilik di Desa Ujung Bandar, Kabupaten Langkat, Sumatera Utara
(Universitas Sumatera Utara, 2023)Ujung Bandar Village is a village located at the Leuser mountains which has high humid air, low air temperatures and fairly high rainfall. Such environmental conditions allow the village to become a breeding ground for ... -
Efektivitas Light Trap dan Bg Senttinel Trap Terhadap Kepadatan Nyamuk di Desa Ujung Bandar Kecamatan Salapian Kabupaten Langkat Sumatera Utara
(Universitas Sumatera Utara, 2023)Mosquitoes are one of the insects that interfere with human health. The source of mosquito nutrition used as energy can come from human blood. The research was conducted at Ujung Bandar Village, Salapian District, Langkat ... -
The Neuromodulatory Potential of Nanoherbal Biwa (Eriobotrya Japonica Lindl.) in Rodent Model of Ischemic Stroke and Epilepsy
(Universitas Sumatera Utara, 2024)Biwa (Eriobotrya japonica Lindl.) dikenal secara umum dengan nama loquat merupakan tumbuhan yang berpotensi menjadi obat anti inflamasi, anti kejang, dan anti epilepsi. Biwa terbukti mengandung komponen antioksidan dan ... -
Kepadatan, Hubungan Panjang Berat dan Faktor Kondisi Ikan Sembilang (Plotosus Canius) di Perairan Pantai Bagan Kuala, Kabupaten Serdang Bedagai
(Universitas Sumatera Utara, 2023)Sembilang fish (Plotosus canius) is one of the fish that lives on Bagan Kuala Beach and is often consumed by the people around the beach. This study aimed to determine the density, the length weight relationship of the ... -
Isolation, Partial Purification and Characterization of Urease Enzyme from Red Rice Beans (Vigna Umbellata)
(Universitas Sumatera Utara, 2023)Urease (EC 3.5.1.5) adalah enzim yang menghidrolisis urea menjadi amonia dan karbon dioksida. Enzim urease memiliki banyak manfaat seperti pengolahan limbah industri, hemodialisis, diagnosis medis dan pengukuran kandungan ... -
Pemanfaatan Ekowisata Gajah Sumatra (Elephas Maximus Sumatranus) pada Masyarakat Karo di Tangkahan, Langkat, Sumatera Utara
(Universitas Sumatera Utara, 2023)Community participation is one of the success factors in community-based ecotourism. Tangkahan ecotourism destination has become a leading tourism destination because this destination presents the sumatran elephants as an ...