Department of Biology: Recent submissions
Now showing items 961-980 of 1257
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Keanekaragaman Fungi Mikoriza Arbuskula pada Areal Tanaman Kelapa Sawit (Studi Kasus Di Ptpn III Kebun Batang Toru Kabupaten Tapanuli Selatan)
(Universitas Sumatera Utara, 2014)The first thing that must be known to study the potential of vesicular arbuscular mycorrhizal is to know the diversity of these organisms. Data of diversity vesicular arbuscular mycorrhizal used to obtain the selection ... -
Karakterisasi Enzim Kitinase Dari Bacillus sp. BK17, Isolat Potensial Pengendali Hayati Jamur Patogen Tanaman
(Universitas Sumatera Utara, 2013)Characterization of chitinase of including pH and temperature, Km and Vmax of Bacillus sp. BK 17 has been conducted. Crude extract of Bacillus sp. BK17 growing in minimum salt medium with colloidal chitin for 5 days was ... -
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 ... -
Keanekaragaman Tumbuhan Bawah yang Berpotensi sebagai Tanaman Obat di Hutan Taman Nasional Gunung Leuser Sub Seksi Bukit Lawang
(Universitas Sumatera Utara, 2010)Communities in the vicinity of Bukit Lawang has decades of use of plants as medicinal plants, use of medicinal plants associated with value-added and increased economy in society, data and information on plants that have ... -
Studi Taksonomi Pandanus (Pandanaceae) di Kawasan Rawa Aceh Singkil
(Universitas Sumatera Utara, 2013)Taxonomic study on Pandanus (Pandanaceae) at swamp area of Singkil was conducted from November 2012 until June 2013. The location determined by purposive sampling method and observational studies conducted using the ... -
Uji Anti Hiperglikemia Ekstrak Etanol Daun Kembang Bulan (tithonia diversifolia) pada Mencit (mus musculus) yang Diinduksi Diabetes Dengan Aloksan
(Universitas Sumatera Utara, 2014)a research was conducted to invenstigate antihyperglycemic activity ethanol extract of leaf kembang bulan (Tithonia diversifolia) in mice with alloxan induced diabetes. The experiment used completely randomized design, 6 ... -
Keanekaragaman Bakteri Serasah Daun Rhizophora Apiculata yang Mengalami Dekomposisi pada Berbagai Tingkat Salinitas di Kota Pari Pantai Cermin Sumatera Utara
(Universitas Sumatera Utara, 2012)ABSTRACT The aims of this study were investigated the effect of salinity level on the diversity of bacteria and remaining in the C, N and P during the process of composition of the R. apiculata leaf litter. The ... -
Biodiversitas Bambu di Sumatera Utara Bagian Timur
(Universitas Sumatera Utara, 2013)The biodiversity of bamboo in east area of North Sumatra has been studied from Novemver 2012 antill March 2013. The research area was determined purposively, observationally including exploration and morphological ... -
Hubungan Antara Kualitas Air dengan Kebiasaan Makanan Ikan Batak (Tor Soro) Di Perairan Sungai Asahan Sumatera Utara
(Universitas Sumatera Utara, 2013)The study of water quality relationship and food habits of batak fish (Tor soro) in Asahan River, North Sumatra was conducted in November 2012-January 2013. Aims of this research was to know the food habits of batak fish, ... -
Pengaruh Konsentrasi Starter Saccharomyces cereviceae dan Waktu Fermentasi terhadap Hasil dan Mutu Minyak Kelapa Virgin Coconut Oil
(Universitas Sumatera Utara, 2010)The purpose of this research was to obtain the concentration of S. cereviceae and the duration of the optimum fermentation in the fermentation of VCO coconut oil. The research had been performed using ... -
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 ... -
Keragaman Bakteri Asal Terasi Sumatera Bagian Utara
(Universitas Sumatera Utara, 2021)This study aims to identify bacteria originating from the northern Sumatran terasi. This research was conducted from March to July 2020 at the Microbiology and Genetics Laboratories, Faculty of Mathematics and Natural ... -
Respon Anatomi Akar dan Daun Tebu Berastagi (Saccharum officinarum L.) terhadap Penurunan Ketersediaan Air Tanah
(Universitas Sumatera Utara, 2021)The aim of this research was to determine the anatomical responses of Berastagi sugarcane (Saccharum officinarum L.) under limited groundwater. This research was conducted from June 2019 to November 2019 at the Laboratory ... -
Efek Ekstrak Etanol Daun Senduduk Bulu (Clidemia hirta (L.) D. Don) terhadap Penyembuhan Luka Bakar pada Mencit (Mus musculus L.)
(Universitas Sumatera Utara, 2021)Luka bakar merupakan suatu kelainan akibat trauma terkena api, air panas atau kimia. Proses penyembuhan luka dibagi menjadi 3 tahap yaitu 1) inflamasi, 2) proliferasi dan 3) remodelling. Salah satu bahan yang dapat ... -
Efek Ekstrak Etanol Daun Pegagan (Centella asiatica) terhadap Penyembuhan Luka Bakar pada Mencit (Mus musculus L.)
(Universitas Sumatera Utara, 2021)Luka bakar merupakan diskontinuitas dari suatu jaringan. Setiap luka yang terjadi selalu diikuti dengan proses penyembuhan luka yang terdiri atas fase-fase yang saling berhubungan satu dan lainnya yaitu hemostasis, inflamasi, ... -
Efek Ekstrak Etanol Daun Babadotan (Ageratum conyzoides L.) terhadap Penyembuhan Luka Bakar pada Mencit (Mus musculus L.)
(Universitas Sumatera Utara, 2021)Luka bakar merupakan suatu kelainan akibat trauma terkena api, air panas atau kimia. Namun sebagian besar diakibatkan karena penanganan yang salah terhadap luka bakar, kecerobohan dan kelalaian manusia. Untuk menghindari ... -
Analisis ekspresi protein transduksi sinyal pada tikus (Rattus novergius) preeklampsia dengan pemberian nanoherbal buah andaliman (Zanthoxylum acanthopodium) dan Extra Virgin Olive Oil (EVOO)”
(Universitas Sumatera Utara, 2021)Preeclampsia is hypertension in pregnancy that can interfere with fetal growth as well as disruption of the cellular conservative mechanism of signal transduction (autophagy). Andaliman is an endemic plant from North ... -
Jamur Pemerangkap Nematoda Asal Danau Toba sebagai Agen Biokontrol Hayati Meloidogyne Hapla pada Tanaman Tomat (Solanum Lycopersicum L.)
(Universitas Sumatera Utara, 2021)Root-knot nematodes are infectious helminths that caused serious damage and economic loss in agricultural field. These nematodes colonize the inner layer of roots while disrupting nutrient transport leading to abnormal ... -
Keanekaragaman Serangga pada Ekosistem Perkebunan Kakao (Theobroma Cacao) di Desa Hapesong Baru, Kecamatan Batang Toru
(Universitas Sumatera Utara, 2021)Penelitian keanekaragaman serangga pada ekosistem perkebunan kakao (Theobroma cacao) di Desa Hapesong Baru, Kecamatan Batang Toru telah dilakukan pada bulan Juni sampai dengan Juli 2020. Penelitian bertujuan untuk ... -
Efek Ekstrak Etanol Daun Sikkam (Bischofia Javanica Blume.) terhadap Gambaran Histologis Hati Tikus (Rattus Norvegicus) yang Diinduksikan Diabetes Dengan Aloksan
(Universitas Sumatera Utara, 2021)An experiment on the effect of the ethanol extract of bishopwood leaf (Bischofia javanica Blume.) on the liver's histological feature in the alloxan-induced diabetic rat (Rattus norvegicus) was carried out from February ...