Department of Biology: Recent submissions
Now showing items 201-220 of 1257
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Potensi Actinomycetes Isolat Hutan Mangrove Sicanang Kecamatan Medan Belawan dalam Menghambat Pertumbuhan Methicillin-Resistant Staphylococcus Aureus (MRSA)
(Universitas Sumatera Utara, 2023)The utilization of microorganisms as antibiotic-producing agents, especially actinomycetes, is still being developed in line with the increasing need to fight resistance bacteria such as Methicilin-resistant Staphylococcus ... -
Jenis - Jenis Moraceae di Kebun Raya Sipirok Kabupaten Tapanuli Selatan, Sumatera Utara
(Universitas Sumatera Utara, 2023)Moraceae is one of the flowering plant families distributes at primary or secondary forest regions. The Sipirok Botanical Garden is one of the conservation areas that has five vegetation types which were residual natural ... -
Hubungan Nitrat (No3) dan Nitrit (No2) Terhadap Keanekaragaman Fitoplankton di Sungai Belawan
(Universitas Sumatera Utara, 2023)Phytoplankton diversity and nitrate nitrite content influence the water quality conditions of the Belawan River. Community activities such as the disposal of organic, inorganic, domestic waste and fertilizer runoff also ... -
Studi Etnobotani Nipah ( Nypha Fruticans (Thunb.) Wurmb.) di Kawasan Hutan Mangrove Kecamatan Medan Belawan, Kota Medan Sumatera Utara
(Universitas Sumatera Utara, 2023)Ethnobotany Study of Nipah Plants in the District Medan Belawan, North Sumatra aims to determine the utilization, value of economic, perceptions, and knowledge degradation of nipah palm in the community in Medan Belawan ... -
Pengaruh Ab Mix dan Spektrum Cahaya Terhadap Pertumbuhan Microgreen Bayam Merah (Amaranthus Tricolor L.) pada Media Tanam Arang Sekam
(Universitas Sumatera Utara, 2023)The growth of red spinach microgreens (Amaranthus tricolor L.) plays a crucial role in the context of providing a healthy food resource. This research aims to determine the optimal combination of AB Mix nutrient and light ... -
Keanekaragaman Kerang (Bivalvia) di Perairan Pantai Bunga, Kabupaten Batu Bara, Sumatera Utara
(Universitas Sumatera Utara, 2024)Bivalves are a class in the phylum molluscs that includes all types of shellfish that have a pair of shells. Research has been carried out with the title "Diversity of Shellfish (Bivalves) in the Waters of Bunga Beach, ... -
Studi Etnobotani Aren (Arenga Pinnata Merr.) pada Masyarakat Karo di Kecamatan Sibolangit, Kabupaten Deli Serdang, Sumatera Utara
(Universitas Sumatera Utara, 2024)Ethnobotanical Study of Sugar Palm (Arenga Pinnata merr.) In the Karo Community at Sibolangit District, Deli Serdang Regency, North Sumatra, the aim is to find out the knowledge and perceptions regarding the use of sugar ... -
Penambahan Ekstrak Daun Kucai (Allium tuberosum) pada Pakan Buatan terhadap Pertumbuhan dan Kelangsungan Hidup Benih Ikan Bawal (Colossoma macropomum)
(Universitas Sumatera Utara, 2023)In order to increase the growth and life sustainanability of fry of the pomfret fish (Colossoma macropomum) rapidly, it is necessary to add the artificial feed with plant extracts to their feed. This research was carried ... -
Kepadatan, Morfometrik dan Pola Distribusi Udang Mantis (Harpiosquilla raphidea) di Perairan Estuari Suaka Margasatwa Karang Gading Kabupaten Deli Serdang
(Universitas Sumatera Utara, 2023)Mantis shrimp (Harpiosquilla raphidea), one of economically important commodity in Karang Gading, Deli Serdang, had a risk of population decline due to uncontrolled fishing. The research was conducted to analyze population ... -
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 ...