Department of Biology: Recent submissions
Now showing items 81-100 of 1204
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Resistensi Bakteri Gram Negatif Asal Feses Orang Utan Sumatra (Pongo Abelii) di Sumatran Rescue Alliance (SRA) terhadap Beberapa Antibiotik
(Universitas Sumatera Utara, 2024)Treating diarrhea in Sumatran orangutans at the Sumatran Rescue Alliance (SRA) using antibiotics can sometimes cause resistance problems which result in ineffective treatment. This study aims to determine the resistance ... -
Pemanfaatan Biosaka terhadap Produktivitas dan Kadar Likopen Tomat Ceri (Solanum Lycopersicum L. Var. Cerasiforme)
(Universitas Sumatera Utara, 2024)Lycopene has the highest antioxidant activity found in cherry tomatoes, It is around 60 to 64%. Continuous usage of the chemical fertilizers can damage the soil and disrupt the balance of the nutrients that decrease the ... -
Potensi Jamur Endofit dari Akar Kelapa Sawit (Elaeis Guineensis) dalam Menghasilkan Lipase
(Universitas Sumatera Utara, 2024)Oil palm is a rich source of endophytic fungi, whose potential as producer hydrolytic enzymes such as lipase, beneficial in industrial application and waste processing, has not been extensively studied. This research aimed ... -
Identifikasi Molekuler Sumber Darah pada Nyamuk Anopheles Maculatus Complex dan Aedes Albopictus di Desa Ujung Bandar Kabupaten Langkat Sumatera Utara
(Universitas Sumatera Utara, 2024)Malaria and Dengue Fever still remain health polemic in Indonesia. Based on data from Kementrian Kesehatan, cases of Malaria and Dengue Fever in North Sumatera, especially at Langkat Regency are still high and stable. ... -
Identifikasi Molekuler Vektor Malaria Anopheles Maculatus Complex di Desa Ujung Bandar, Kabupaten Langkat, Sumatera Utara
(Universitas Sumatera Utara, 2024)Malaria in Indonesia remains a contagious disease with a high number of cases each year. Limitations in identifying malaria vectors can hinder vector control activities. The diversity of biological characteristics, such ... -
Populasi Khamir Endofit Buah Sirsak (Annona Muricata L.) serta Kemampuannya Menghasilkan Asam Indol Asetat dan Melarutkan Fosfat
(Universitas Sumatera Utara, 2024)Soursop contains high diversity of endophytic yeasts. This study aims to isolate and identify endophytic yeast of soursop fruit and their potential to produce indole acetic acid and dissolve phosphate. Endophytic yeasts ... -
Status Kerentanan Nyamuk Dewasa Aedes Albopictus terhadap Insektisida Lamba-Cyhalothrin dan Cypermethrin di Desa Ujung Bandar, Kabupaten Langkat, Sumatera Utara
(Universitas Sumatera Utara, 2024)Aedes albopictus is a vector for several diseases, such as dengue hemorrhagic fever (DHF), and zika. These diseases require preventive measures such as vector mosquito control, which usually uses insecticides. Ujung Bandar ... -
Pengaruh Penambahan Serbuk Kulit Nanas (Ananas Comosus L. Merr) pada Pakan terhadap Pertumbuhan dan Kelangsungan Hidup Ikan Sepat Siam (Trichogaster Pectoralis, Regan 1910)
(Universitas Sumatera Utara, 2024)Siamese sepat or snakeskin gourami (Trichogaster pectoralis, Regan 1910) has known as an aquaculture fish with high production numbers. This study aimed to inspect the effect of pineapple peel powder (Ananas comosus L.Merr) ... -
Keragaman Bakteri Endofit dari Akar Durian (Durio Zibethinus) dan Potensi Antimikrobanya
(Universitas Sumatera Utara, 2024)Durian is a local Indonesian annual that has a high economic value. The presence of microbes plays a role in survival and contributes to the growth and survival of plants in nature. The microorganisms that live on durian ... -
Efek Pemberian Ekstrak Etanol Biji Pinang (Areca Catechu L.) terhadap Morfologi dan Histologi Ginjal Tikus (Rattus Norvegicus L.) Jantan yang Diinduksi Aloksan
(Universitas Sumatera Utara, 2024)Areca nut is plant often used for traditional medicine, one of which is as an antidiabetic plant that can reduce blood glucose level. Its safety for organs such as the kidneys has not been widely studied so far. The purpose ... -
Gambaran Histologi Limpa Tikus Putih (Rattus Norvegicus L.) Jantan yang Diberi Ekstrak Etanol Daun Sambung Nyawa (Gynura procumbens [Lour.] Merr.) setelah Diinduksi Aloksan
(Universitas Sumatera Utara, 2024)Sambung Nyawa leaves are one part of the plant that is efficacious in treating diabetes and several studies have proven that ethanol extract of sambung nyawa leaves can reduce blood glucose levels. However, the effect ... -
Ekologi dan Distribusi Habitat Larva Nyamuk Aedes Albopictus di Desa Ujung Bandar, Kabupaten Langkat, Sumatera Utara
(Universitas Sumatera Utara, 2024)Dengue hemorrhagic fever (DHF) is caused by the dengue virus which is transmitted through the bite of female Aedes aegypti and Aedes albopictus mosquitoes. Controlling the transmission of the disease can be done through ... -
Uji Aktivitas Antimikroba Ekstrak Buah Andaliman (Zanthoxylum Acanthopodium DC.) terhadap Beberapa Isolat Mikroba Patogen Klinis
(Universitas Sumatera Utara, 2024)The andaliman fruit is a spice plant typical of the Pollung area, Humbang Hasundutan Regency. andaliman fruit contains bioactive compounds that function as antioxidants and antimicrobials, so it can be utilized as an ... -
Pemanfaatan Ekstrak Daun Sirih Cina (Peperomia Pellucida L.) Terhadap Histologi Ginjal Mencit (Mus Musculus L.) yang Terpapar Asap Rokok
(Universitas Sumatera Utara, 2024)This research was carried out from October to December 2023 at the Physiology Laboratory and Experimental Animal House, FMIPA USU. This study aims to analyze the effect of the sirih cina leaf extract on improving the ... -
Aklimatisasi Planlet Kentang (Solanum Tuberosum L.) Varietas Granola pada Beberapa Media Tanam dan NPK
(Universitas Sumatera Utara, 2024)Research on the Acclimatization of Potato Plantlets Granola Varieties in Several Planting Media and NPK was carried out from December 2023 to May 2024 in the Greenhouse of the Faculty of Agriculture and the Laboratory ... -
Potensi Bakteri dari Tempat Pelelangan Ikan (TPI) Bagan Percut Kabupaten Deli Serdang dalam mendegradasi Minyak Solar
(Universitas Sumatera Utara, 2024)The activities of fishing boats at the Bagan Percut Fish Auction Place (TPI), Deli Serdang Regency, which often results in oil spills, is a problem that required to be addressed further regarding its consequences. This ... -
Jenis-Jenis Anggrek (Orchidaceae) di Taman Nasional Batang Gadis (Resor 8) Sopotinjak Kabupaten Mandailing Natal Sumatera Utara
(Universitas Sumatera Utara, 2024)Orchids are ornamental plants highly favored by the community due to their resilience and beauty. Batang Gadis National Park has a year-round tropical climate. This research aims to identify and describe the morphology of ... -
Gambaran Histologi Jantung Tikus Wistar (Rattus Norvegicus L.) Jantan yang Diberi Ekstrak Etanol Daun Sambung Nyawa (Gynura Procumbens [Lour.] Merr.) Setelah Diinduksi Aloksan
(Universitas Sumatera Utara, 2024)A basic health research report in 2018 estimates that 16 million Indonesians are at risk of developing diabetes-related heart failure. Gynura procumbens [Lour.] Merr. has the potential to alleviate hyperglycemia. The ethanol ... -
Pengaruh Zat Pengatur Tumbuh Paclobutrasol dalam Media Murashige & Skoog (MS) dan Lama Penyimpanan terhadap Viabilitas Biji Sintetik Chrysanthemum Sp.
(Universitas Sumatera Utara, 2024)Plants produced by plant tissue cultures have problems in viability especially when they are to be distributed over long periods of time. The technology of making synthetic seeds of plants is an alternative that needs to ... -
Potensi Bakteri Biosurfaktan dari Limbah Detergen dalam Mendegradasi Linear Alkylbenzene Sulfonate
(Universitas Sumatera Utara, 2024)Contamination of detergent containing linear alkylbenzene sulfonate (LAS) waste could occur due to the absence of a standard system regarding waste management, especially from laundry businesses. This research aims to ...