Department of Biology: Recent submissions
Now showing items 181-200 of 1208
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Efek Ekstrak Metanol Nanoherbal Daun Rhodomyrtus Tomentosa (Aiton) Hassk. Terhadap Model Hewan Neuroinflamasi
(Universitas Sumatera Utara, 2024)This research was carried out by using Rhodomyrtus tomentosa (Aiton) Hassk. leaves or haramunting from Rantauprapat, North Sumatra, Indonesia which was processed into nanoherbal and then extracted with methanol (Meth-Ext) ... -
Kepadatan, Hubungan Panjang Berat dan Faktor Kondisi Ikan Kedukang (Hexanematichthys Sagor) di Perairan Pantai Bagan Kuala, Kabupaten Serdang Bedagai
(Universitas Sumatera Utara, 2023)The kedukang fish (Hexanematichthys sagor) is a type of catfish often found in coastal areas. The research on the density, the relationship between length and weight and the condition factors of Kedukang Fish (Hexanematichthys ... -
Jenis-Jenis Arecaceae (Palem-Paleman) di Kebun Raya Sipirok Kabupaten Tapanuli Selatan Sumatera Utara
(Universitas Sumatera Utara, 2023)The Sipirok Botanical Garden is a tropical forest area from the lowlands to the highlands which targets Arecaceae as one of the plants to be conserved, therefore it is necessary to research the quantity of Arecaceae ... -
Pengaruh Ekstrak Metanol Buah Andaliman (Zanthoxylum Acanthopodium) yang Berpotensi sebagai Antifertilitas Terhadap Organ Ginjal Mencit
(Universitas Sumatera Utara, 2023)Secondary metabolite compounds of the steroids, alkaloids, flavonoids, triterpenoids, tannins and saponins are compounds that act as an antifertility. Zanthoxylum acanthopodium contains flavonoids, alkaloids, pyranoquinoline ... -
Perilaku Agonistik Harimau Sumatra (Panthera Tigris Sumatrae) Jantan di Central Park Zoo and Resort, Pancur Batu, Kabupaten Deli Serdang, Sumatra Utara
(Universitas Sumatera Utara, 2023)Sumatran tiger (Panthera tigris-sumatrae) is one of rare species that categorized as endangered due to poaching and habitat destruction. Therefore, exsitu conservation efforts needed to maintain it’s sustainability, one ... -
Pengaruh Ekstrak Metanol Buah Andaliman (Zanthoxylum Acanthopodium Dc.) yang Berpotensi Sebagai Antifertilitas Terhadap Histologi Hati Mencit (Mus Musculus L.)
(Universitas Sumatera Utara, 2023)Andaliman fruit (Zanthoxylum acanthopodium) contains active secondary metabolite compounds like alkaloids, flavonoids, glycosides, saponins and steroids/triterpenoids. The plants contain compounds from the steroid, alkaloid ... -
Analisis Vegetasi Tumbuhan Bawah di Kebun Raya Sipirok Kabupaten Tapanuli Selatan Sumatera Utara
(Universitas Sumatera Utara, 2023)Sipirok Botanical Garden is a forest with a various types of understory plants, the diversity of understory plants at that area is not yet known. The purpose of this research was to analyze the composition of lower plants ... -
Jenis-Jenis Araceae di Kebun Raya Sipirok Kabupaten Tapanuli Selatan Sumatera Utara
(Universitas Sumatera Utara, 2023)Araceae is one of the flowering plants generally live in tropical areas which has relatively high humidity. One of them is the Sipirok Botanical Garden area This area has a humid and watery, also it has shady environmental ... -
Penambahan Ekstrak Daun Suji (Dracaena Angustifolia Roxb.) pada Pakan Buatan Terhadap Pertumbuhan dan Kelangsungan Hidup Benih Ikan Nila Merah (Oreochromis Sp.) SKRIPSI
(Universitas Sumatera Utara, 2023)Red tilapia (Oreochromis sp.) is a edible fish that many people still favorite. Red tilapia production is currently being developed to increase aquaculture production. Red tilapia has advantages such as rapid growth, ... -
Keanekaragaman Genetik Durian Lokal (Durio Zibethinus Murr.) di Sumatera Utara Berdasarkan Barcode Its (Internal Transcribed Spacer)
(Universitas Sumatera Utara, 2023)North Sumatera is one of the durian producers in Indonesia. Molecular scientific studies of local durian at North Sumatera were still limited. This research aims to determine molecular characteristics of local durian (Durio ... -
Hubungan Panjang Berat, Kepadatan dan Faktor Kondisi Ikan Belanak (Mugil Cephalus) di Perairan Pantai Bagan Kuala, Kabupaten Serdang Bedagai
(Universitas Sumatera Utara, 2023)Mullet fish (Mugil cephalus) is one of fishes often catches by the fisherman surrounding Bagan Kuala Beach and is consumed by the community because it is nutritious and it has economic value. This research aimed to determine ... -
Pemberian Pakan Serbuk Daun Bangun-Bangun (Coleus Amboinicus) Terhadap Pertumbuhan dan Kelangsungan Hidup Ikan Patin (Pangasius Hypophthalmus)
(Universitas Sumatera Utara, 2022)Feeding of leaf bangun-bangun (Coleus amboinicus) on the growth and survival of catfish (Pangasius hypophthalmus) has been carried out at the Natural Resources and Environmental Processing Laboratory, Department of Biology, ... -
Pengaruh Kombinasi Ekstrak Etanol Daun Pegagan (Centella Asiatica L.) dan Daun Sirsak (Annona Muricata L.) Terhadap Luka Sayat pada Mencit
(Universitas Sumatera Utara, 2023)The study was conducted from January 2023 to May 2023 to analyze the effect of giving a combination of ethanol extracts of gotu kola leaves and soursop leaves on wound closure in animal models of mice. The study was organized ... -
Efek Nanoherbal Rhodomyrtus Tomentosa (Aiton) Hassk. Terhadap Fungsi Kognitif Belajar dan Memori Mus Musculus L. Berdasarkan Step Through Passive Avoidance
(Universitas Sumatera Utara, 2024)Learning and memory are complex cognitive functions. Memory functions in encoding, storing, and retrieving information which is then stored into short-term memory and long-term memory. This study aims to analyze the effect ... -
Jenis – Jenis Tumbuhan Paku (Pteridophyta) di Kebun Raya Sipirok Kabupaten Tapanuli Selatan Sumatera Utara
(Universitas Sumatera Utara, 2023)Sipirok Botanical Garden is one of the conservation areas in North Sumatra that has a diversity of flora and fauna, one of which is ferns. The study of ferns at Sipirok Botanical Garden had not been done so that the types ... -
Analisis Vegetasi dan Biomassa Pohon di Kebun Raya Sipirok Kabupaten Tapanuli Selatan Sumatera Utara
(Universitas Sumatera Utara, 2023)Sipirok Botanical Garden, South Tapanuli Regency, North Sumatra has a forest area estimated to have high diversity and carbon stocks. The purpose of this study was to analyze the structure and composition of vegetation and ... -
Keanekaragaman Makrofauna Tanah Pada Areal Perkebunan Kelapa Sawit yang tidak dan diberi Limbah Cair Pabrik Kelapa Sawit Sebagai Pupuk
(Universitas Sumatera Utara, 2023)The diversity of animals is influenced by the presence of dangerous chemicals in the soil. Chemicals can cause various problems, one of which causes the extinction of soil macrofauna types. This research was conducted to ... -
Keanekaragaman Genetik Durian (Durio zibethinus Murr.) dari Kecamatan Angkola Timur Kabupaten Tapanuli Selatan Berdasarkan Morfologi dan Simple Sequence Repeats (SSR)
(Universitas Sumatera Utara, 2023)Durian is one of tropical fruit that is very popular and has a high economic value in Indonesia. Tapanuli Selatan Regency is one of the production centers for durian (Durio zibethinus Murr.) in North Sumatra. One of the ... -
Keanekaragaman Makrofauna Tanah Pada Areal Rerumputan dan Semak yang tidak dan Diberi Limbah Cair Pabrik Kelapa Sawit Sebagai Pupuk
(Universitas Sumatera Utara, 2023)The role of soil macrofauna is to maintain soil fertility through the breakdown of the organic matter, the distribution of nutrients, the increasing aeration and the soil drainage. This research was conducted to determine ... -
Keanekaragaman Makrofauna Tanah Pada Areal Tanaman Rimbang (Solanum Torvum Swartz) yang diberi Limbah Cair Pabrik Kelapa Sawit Sebagai Pupuk
(Universitas Sumatera Utara, 2023)The presence of soil macrofauna at the area of rimbang plants treated with palm oil mill effluent with different application treatments (ponds 5, 6, and 7) indicates the different quality and fertility of the soil. The aim ...