Department of Biology: Recent submissions
Now showing items 341-360 of 1211
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Pengaruh Musik Klasik Mozart terhadap Perilaku Mencit (Mus musculus L.) yang Diinduksi oleh Obat Klorpromazin dengan Menggunakan Alat Otomatis Intellicage
(Universitas Sumatera Utara, 2016)This research has been done to observe and to analysis the effect of classical music of Mozart on mice behavior. The animal has been induced by Chlorpromazine drugs using IntelliCage automatic tool. Chlorpromazine was ... -
Keanekaragaman Makrozoobentos di Perairan Danau Toba Desa Silalahi Kabupaten Dairi
(Universitas Sumatera Utara, 2016)Research entitled Diversity of Macrozoobentos in Silalahi Village, District of Dairi, Toba Lake Waterway has been done to analyze the diversity of macrozoobentos and the relationship between the water physico-chemical ... -
Keanekaragaman Makrozoobentos di Perairan Sungai Asahan Sumatera Utara
(Universitas Sumatera Utara, 2014)Research about “The Diversity of Macrozoobenthos in Asahan River North Sumatera” was implemented on May 2013. Using Purposive Random Sampling method to determine 5 research stasions with different activities. The aimed ... -
Keanekaragaman Makrozoobenthos di Bagian Hulu Sungai Horas Kecamatan Hatonduhan Kabupaten Simalungun Sumatera Utara
(Universitas Sumatera Utara, 2016)The Diversity of Makrozoobenthos in Upstream of Horas River Subdistrict of Hatonduhan District of Simalungun North Sumaterahas been observed from April to May 2016. The sample was taken from three stations of observation, ... -
Keanekaragaman Burung Pantai dan Potensi Makanan di Kawasan Pantai Muara Indah Kecamatan Pantai Labu Kabupaten Deli Serdang Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2014)Muara Indah Beach is one of the beaches that have been established as an important area for birds. The study was conducted in February - March 2013 in Muara Indah Beach, Denai Kuala village, Pantai Labu district, Deli ... -
Pengaruh Ekstrak Etanol Daun Sirsak (Annona muricata L.) terhadap Penurunan Kadar Asam Urat Mencit (Mus musculus L.) Jantan Hiperurisemia
(Universitas Sumatera Utara, 2016)Uric acid is a final product of purin metabolism. The aim of this study is to describe the effect of etanol extract of soursop (Annona Muricata L.) leaves on mouse blood uric acid level. This study was designed by ... -
Aktivitas Enzim Ligninolitik Jamur dari Tandan Kosong Kelapa Sawit (Elaeis guineensis Jacq.)
(Universitas Sumatera Utara, 2014)Lignin is a natural polymer and an important compound of plant cell wall constituent. A study about degradation of lignin in environmental has been received considerable attention because it has more complex structure ... -
Biodegradasi Plastik (Low Density Polyethylene) Menggunakan Jamur dari Tempat Pembuangan Akhir (TPA)
(Universitas Sumatera Utara, 2016)The use of plastic low density polyethylene (LDPE) has been increasing every year. Plastic is naturally recalcitrant causing environmental pollution and endangers the ecosystems. An effort to get fungal isolate which ... -
Pertumbuhan Eksplan Bunga Betina Kelapa Sawit (Elaeis guineensis Jacq.) pada Media MS dengan Kombinasi 2,4D dan BAP
(Universitas Sumatera Utara, 2014)The research of “The Effect of 2,4-D and BAP Combination in MS Media on The Growth of The Immature Inflorescences of Oil Palm (Elaeis guineensis Jaqc.)” has been done in Plant Tissue Culture Laboratory, University of ... -
Jenis Kupu-Kupu Sub Ordo Rhopalocera di Kawasan Taman Nasional Gunung Leuser Pusat Pengamatan Orangutan Sumatera (PPOS) Bukit Lawang Kecamatan Bahorok Kabupaten Langkat Sumatera Utara
(Universitas Sumatera Utara, 2016)The Research about Butterfly Species of Suborder Rhopalocera In The Leuser Mountain National Park Sumatran Orangutan Observation Centre (PPOS) Lawang Hill Bahorok District Langkat Regency North Sumatra was studied ... -
Laju Pertumbuhan Populasi Ikan Jurung (Tor tambra) di Hapa dengan Pemberian Pakan yang Berbeda
(Universitas Sumatera Utara, 2016)Research about The Rate of Population Growth of Jurung Fish (Tor tambra) in Container (Hapa) with different feed was done by comparing the growth rate in natural spring pond with two treatments and 20 replicates. This ... -
Potensi Tanaman Ornamental (Aglaonema sp., Dieffenbachia sp., dan Spathiphyllum sp.) dalam Menurunkan Jumlah Mikroba Udara dalam Ruangan Kelas Sekolah Dasar
(Universitas Sumatera Utara, 2016)Bioaerosol is dust particles consisting of bacteria and other fungi with spores that are in the room when the temperature and humidity level are adequate. Its presence in the room are generally harmless, but some time ... -
Efek Alprazolam terhadap Perilaku Kognitif dan Psikomotorik pada Mencit (Mus musculus L.) dengan Menggunakan Alat Sistem Otomatis Intellicage
(Universitas Sumatera Utara, 2016)Alprazolam is an effective medicine that acts as anxiolytic and other drugs in the treatment of depression but have adverse side effects, including cognitive impairment (memory), and psychomotor. This research aims to ... -
Jenis dan Perbandingan Tingkat Infeksi Cacing Parasit pada Feses Sapi di Rumah Potong Hewan (RPH) Siantar dengan Feses Sapi di Rumah Potong Hewan Medan
(Universitas Sumatera Utara, 2016)Research about spesies and level comparison were examined of hookworm infection in cow feces between Slaughter house in Siantar and Medan is explained using Glass beads method. Twenty five samples of cow feces from 25 ... -
Pengaruh Suplementasi Bakteri Asam Laktat Isolat UM 1 dan Inulin terhadap Kultur Benih Ikan Nila (Oreochromis niloticus)
(Universitas Sumatera Utara, 2016)This study was conducted to see the effect of feeding in the form of Lactic Acid Bacteria (LAB) probiotic UM 1 Isolate and prebiotic (inulin) on survival, specific growth rate and feeding efficiency of tilapia fish ... -
Keanekaragaman Ikan di Perairan Sungai Batang Toru Kabupaten Tapanuli Selatan Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2016)Research on Fish Diversity in Btang Toru River, South Tapanuli District, Province of North Sumatera has been conducted. Determination of sampling station according to Purpossive Random Sampling in which 3 location ... -
Analisis Vegetasi Tumbuhan Bawah pada Tiga Tipe Komunitas Kebun (Studi Kasus: Kebun Kopi, Kebun Kakao dan Agroforestri di Desa Telagah, Kabupaten Langkat, Sumatera Utara)
(Universitas Sumatera Utara, 2016)Vegetation analysis ofground cover at three types of plantation community (case study: coffee andcocoa plantation and agroforestry in Telagah Village, Langkat District,North Sumatra) had been conducted from March to ... -
Pengaruh Ekstrak Metanol Daun Suren (Toona sureni Bl Merr.) terhadap Fungsi Hati dan Nilai Darah Tikus (Rattus norvegicus L.) Jantan yang Dipapari Karbon Tetraklorida (CCl4)
(Universitas Sumatera Utara, 2016)The effect of methanol extract of suren leaves (Toona sureni BL Merr) on the function of liver, erythrocyte count and haemoglobin level in male rat (Rattus norvegicus) induced by carbon tetracloride (CCl4) had been ... -
Pengaruh Ekstrak Kulit Manggis (Garcinia mangostana L.) terhadap Fungsi Hati, Jumlah Eritrosit dan Kadar Hemoglobin Tikus (Rattus norvegicus) yang Dipapari dengan Karbon Tetraklorida (CCl4)
(Universitas Sumatera Utara, 2016)Mangosteen pericarp contains flavonoids, which are antioxidants. This study aims to determine the effect of mangosteen pericarp extract on the function of liver, number of erithrocytes and level of hemoglobin rat (Rattus ... -
Hubungan Keanekaragaman Ikan dan Faktor Fisik-Kimia Perairan Sungai Mencirim, Binjai Provinsi Sumatera Utara
(Universitas Sumatera Utara, 2016)The relationship of fish variety and chemical physical factor Mencirim river, Binjai of North Sumatera has been observed from June to August 2015. Sample stasion is settle using “Purposive Random Sampling”. There are ...