Browsing Master Theses by Type "Tesis Magister"
Now showing items 1-20 of 234
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Aktifitas Ekstrak Bakteri yang Berasosiasi dengan Spons Haliclona SP2. dan Axinellid SP. sebagai Antibakteri
(Universitas Sumatera Utara, 2014)An effort to explore a new antibacterial compounds should be considered since increasing resistance of bacteria due to intensive utilization of antibiotics. Marine sponges are frequently assosiated with bacteria of ... -
Aktivitas Anti Kanker Ekstrak Daun Biwa (Eriobotrya japonica Lindl) pada Jaringan Payudara Tikus Putih yang Diinduksi Benzo(a)Pyrene Secara In Vivo
(Universitas Sumatera Utara, 2020)Loquat (Eriobotrya japonica Lindl) is a plant which have potential to be anticancer. Bioactive compounds such as flavonoids, tannins and steroids/terpenoids have been isolated from loquat leaves which is believed to have ... -
Aktivitas Antibakteri Ekstrak Etanol Kulit Kayu Manis (Cinnamomum burmannii) dan Aplikasi Sebagai Obat Kumur dalam Menghambat Pertumbuhan Bakteri Streptococcus
(Universitas Sumatera Utara, 2017)Cinnamon bark has been commonly used as spicy and traditional medicine. It contains several antibacterial compounds such as flavonoids, saponins, and cinnamaldehide. Several studies have been done to know the antibacterial ... -
Aktivitas Antimikroba Herba Meniran (Phyllanthus niruri L.) terhadap Bakteri dan Khamir Patogen
(Universitas Sumatera Utara, 2011)The aim of this study was to investigate the antimicrobial activity of meniran (Phyllanthus niruri L.) on pathogenic bacteria and yeast. The meniran was extracted with several solvent, such as n-hexane, etyl acetate, and ... -
Aktivitas Antioksidan dan Antimikrob dari Estrak Etanol Daun Gagatan Harimau (Paraboea leuserensis B.L.Burtt) terhadap Staphylococcus aureus, Escherichia coli dan Candida albicans
(Universitas Sumatera Utara, 2025)Antioxidant and antimicrobial research of ethanol extract of Gagatan Harimau leaves (Paraboea leuserensis B.L.Burtt) against staphylococcus aureus, Escherichia coli and Candida albicans was conducted in January-April ... -
Aktivitas Biosurfaktan Bakteri Filosfer Tanaman Berlapis Lilin
(Universitas Sumatera Utara, 2022)Using compound hydrocarbon oil earth as the source of energy cause vulnerable contamination compound it in the environment. To remove contamination the required compounds that can lower the voltage surface. Biosurfactant ... -
Aktivitas Enzim Protease Isolat Bakteri Termofilik dari Beberapa Sumber Air Panas di Sumatera Utara
(Universitas Sumatera Utara, 2013)Isolation and partial characterization of crude protease of thermophilic bacteria from several hot springs in Sumatera Utara has been done. Twenty isolates showed proteolitic activity qualitatively in Skim Milk Agar ... -
Aktivitas Senyawa Antibakteri Bintang Laut (Asterias Forbesii) terhadap Beberapa Jenis Bakteri Patogen
(Universitas Sumatera Utara, 2014)One such alternative sources of antibacterial compound is derived from sea star. In this study extraction of sea star (Asterias forbesii) has been caried out to obtain antibacterial compounds. To determine bioactive compounds ... -
Akumulasi Timbal (Pb) dan Keanekaragaman Jenis Lichenes di Taman Kota Medan
(Universitas Sumatera Utara, 2010)Accumulation of lead (Pb) on Lichenes thalus influenced by differences in the count of motor vehicles and physical factors inherent in the garden city of Medan. The aim of the study is to examine factors affecting the ... -
Analisis Degradasi Hutan Angkola dengan Fungsi Ekologi melalui Intrepretasi Land Cover Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2011)Research Analysis of Degradation Angkola with Ecological Function Through interpretation of Land Cover of North Sumatra has been conducted in March to July in 2011 in South Tapanuli and Mandailing Natal district. ... -
Analisis Histologi Embriogenesis Somatik dari Apikal Bud Kelapa Sawit (Elaeis Guineensis Jacq.) Var. Tenera
(Universitas Sumatera Utara, 2014)A study of Histological Analysis of Somatic Embryogenesis from Apical Bud of Oil Palm (Elaeis guineensis Jacq.) var. Tenera has been conducted at Plant Tissue Culture Laboratory of FMIPA USU. The experimental design ... -
Analisis Kadmium (Cd ) dan Pola Pita Isozim pada Organ Ikan Mas (Cyprinus Carpio) di Danau Lau Kawar, Kabupaten Karo Sumatera Utara
(Universitas Sumatera Utara, 2021)Cadmium (Cd) is a heavy metal that has a high toxic effect, even at low concentrations. Lake Lau Kawar is one of the lakes that can be found in the Leuser Ecosystem (KEL). One of the bioindicators used to determine the ... -
Analisis Kandungan Logam Berat pada Beberapa Jenis Ikan yang Terdapat di Sungai Batang Toru, Aek Pahu Tombak dan Aek Pahu Hutamosu Kab. Tapanuli Selatan
(Universitas Sumatera Utara, 2013)Research about content of heavy metals in various fish species have been done in Batang Toru River, Aek Pahu Tombak and Aek Pahu Hutamosu district South Tapanuli in March-April 2013. The purpose of this study was to determine ... -
Analisis Keanekaragaman Genetik Durian (Durio zibethinus Murr.) Sumatera Utara Menggunakan Marka Simple Sequence Repeats
(Universitas Sumatera Utara, 2017)Genetic diversity of plant has an important role to preserve the sustainability of ecosystems in general and specifically for the plant itself. The durian plant is an important component of the ecosystem in Sumatera Utara, ... -
Analisis Kebutuhan Hutan Kota Sebagai Penyerap Gas CO2 Antropogenik di Pusat Kota Medan
(Universitas Sumatera Utara, 2009)A city is the center of human activity. City development which decreases the Green Open Area/Space results the increasing number of CO2. Therefore, the increasing of CO2 concentration should be minimized, ... -
Analisis Kualitas Air dan Hubungannya dengan Keanekaragaman Vegetasi Akuatik di Perairan Balige Danau Toba
(Universitas Sumatera Utara, 2009)The analysis of water quality and the correlation with the aquatic vegetation diversity has been analyzed in August 2008 – March 2009 at 4 location in waters of Danau Toba, Balige. Research location determined ... -
Analisis Kualitas Air dan Hubungannya dengan Keanekaragaman Vegetasi Akuatik di Perairan Parapat Danau Toba
(Universitas Sumatera Utara, 2008)The analysis of water quality and the correlation with the aquatic vegetation diversity has been analyzed in January 2008-April 2008. The method in determining the sample location is “Purpose Random ... -
Analisis Kualitas Air Dihubungkan Dengan Kepadatan Makrozoobentos di Perairan Sungai Ular Kabupaten
(Universitas Sumatera Utara, 2013)The Associated of Water Quality Analysis with Makrozoobentic’s density in the waters of the Ular River Deli Serdang regency was conducted in October to November 2012. The location of research in waters of the Ular River ... -
Analisis Mikroplastik pada Ikan Hasil Tangkapan di Sungai Belawan Sumatera Utara
(Universitas Sumatera Utara, 2024)Plastic waste pollution has spread to waters and is currently a serious problem. Plastic in the water will be degraded into microplastics (particle <0.1-5 mm). Research on analysis of microplastics in fish caught in the ... -
Analisis Morfologi dan Genetik Ikan Batak (Tor Soro) di Sumatera Utara
(Universitas Sumatera Utara, 2020)A study about an Analysis of Morphology and Genetic Variaton of Ikan Batak (Tor soro) in North Sumatera has been done in Laboratory of Biology and Molecular of Institut Pertanian Bogor. Sample of Ikan Batak used in this ...