Browsing Tesis Magister by Issue Date
Now showing items 1-20 of 20
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Analisis Kandungan Kimia Tumbuhan Ganja (Cannabis sativa L.) di Wilayah Polda Aceh dengan Metode Kromatografi Gas–Spektroskopi Massa
(Universitas Sumatera Utara, 2019)The analysis of the chemical constituents of cannabis (Cannabis sativa L.) confiscated in the region of Aceh Police i.e. Pidie Police Resort, Lhokseumawe Police Resort, Aceh Timur (Idi Rayeuk) Police Resort, Benar Meriah ... -
Sintesis dan Karakterisasi Film Pva-Pati Eter Hasil Alkoksilasi Epoksida Metil Ester Asam Lemak Minyak Kemiri dengan Pati Singkong
(2018)The PVA-ether starch film was prepared by mixing polyvinyl alcohol and ether starch of the synthesis. The ether starchwas obtained by alkoxylation of fatty acid methyl ester epoxide of candlenut oils with cassava starch. ... -
Studi terhadap Kinerja Grafit dan Grafena sebagai Elektroda pada Sel Baterai Primer
(Universitas Sumatera Utara, 2018)Graphene synthesis with commercial graphite has been successfully performed with the Hummers Method. This study aims to determine the characterization of graphite and graphene and the performance of graphite and graphene ... -
Pembuatan Nanokomposit Selulosa Bakteri/ Grafena Oksida secara In-Situ dengan Media Kultur Agitasi
(Universitas Sumatera Utara, 2018)Bacterial cellulose/graphene oxide (BC/GO) nanocomposite has been successfully carried out with in-situ process in agitated culture. During the in-situ process,GO is partially reduced. Interaction between BC and GO was ... -
Isolasi Senyawa Fenolik dan Uji Aktivitas Antibakteri dan Toksisitas dari Daun Patikan Kebo (Euphorbia hirta. L)
(Universitas Sumatera Utara, 2018)Isolation and measurement of antibacterial activity and toxicity of phenolic compound from methanol extract of Euphorbia hirta. L. has been conducted. The isolation of phenolic compound is started by maceration process and ... -
Penentuan Aktivitas Radionuklida Alam (226Ra, 232Th & 40K) dalam Debu Vulkanik Gunung Sinabung, Pupuk Fosfat dan Tanah Pertanian dengan Metode Spektrometri Gamma serta Perkiraan Dampaknya pada Lingkungan
(Universitas Sumatera Utara, 2018)The activity of natural radionuclides 226Ra, 232Th and 40K in Mount Sinabung Volcanic Ash, four types of chemical fertilizers and soil samples have been determined by gamma spectrometry method with a high purity germanium ... -
Isolasi Senyawa Fenolik dan Aktivitas Antibakteri Ekstrak Fenolik Total dari Tanaman Patah Tulang (Euphorbia Tirucalli. L).
(Universitas Sumatera Utara, 2018)The isolation, characterization and measurement of antibacterial activity of phenolic compound from E. tirucalli L has been conducted. Isolation process of phenolic compound is started by maceration with methanol and ... -
Pembuatan dan Karakterisasi Film Selulosa Asetat dari Kayu Kelapa Sawit (Elaeis Guinensis Jacq) dengan Pelarut Kloroform dan Plastisizer Triasetin
(Universitas Sumatera Utara, 2018)Synthesis and characterization of cellulose acetate film in addition of triacetin plasticizer has been conducted. The aim of this research is to obtain the data of the influences of triacetin plasticizer in the cellulose ... -
Kinerja Grafit/N-Grafena dan Grafena/N-Grafena sebagai Katoda Sel Baterai Primer
(Universitas Sumatera Utara, 2018)Research about the performance of Graphite/N-Graphene and Graphene/NGraphene as a cathode of primary battery cell was carried out. The purpose of this research is to know the performance of Graphite/N-Graphene and ... -
Isolasi Senyawa Fenolik dan Uji Antibakteri serta Antioksidan dari Daun Tumbuhan Saputangan (Maniltoa grandiflora (A. Gray) Scheff)
(Universitas Sumatera Utara, 2018)Isolation and characterization of phenolic compound from leaves of Saputangan plants (Maniltoa grandiflora (A. Gray) Scheff) continued antibacterial and antioxidant activity tests have been carried out. The isolation process ... -
Uji Antibakteri dan Antioksidan dari Ekstrak Metanol Daun dan Kulit Batang Nangka sebagai Campuran Masker
(Universitas Sumatera Utara, 2018)Antibacterial and antioxidant test have been conducted using methanol extract of leave and stem bark of Artocarpus for its application as peel-off mask. The raw material was macerated using methanol and the obtained ... -
Pengaruh Ikat Silang terhadap Sensitifitas dan Morfologi Film Kitosan - Grafena pada Pendeteksian Urea
(Universitas Sumatera Utara, 2018)Chitosan - Graphene film sensors have been successfully fabrication using electrodeposition method and cross-linked by glutaraldehyde and sodiun tripolyphosphate. The effect of addition graphene on chitosan film sensors ... -
Pembuatan dan Karakterisasi Film Berbasis Karboksimetil Selulosa dari Daun Gebang (Corypha utan), Polivinil Alkohol dan Asam Sitrat untuk Aplikasi Antibakteri
(Universitas Sumatera Utara, 2018)Carboxymethyl Cellulose (CMC)/polyvinyl alcohol (PVA) films were prepared by crosslinking method. The films were chemically crosslinked with citric acid (CA) for tuning their properties. The formation of CMC/PVA/CA films ... -
Sifat Antibakteri Biofilm Senyawa Basa Schiff dari Reaksi Ikat Silang Selulosa Teroksidasi dengan Kitosan
(Universitas Sumatera Utara, 2018)Cellulose and chitosan are natural polymers that have been used as biocomposite. The aim of this research is to obtain biofilms from chitosan and oxidized cellulose crosslinks. This research is divided into three steps, ... -
Studi Penyerapan Logam Arsen (V) dengan Komposit Perak Kitosan Setelah Diikatsilang Glutaraldehid
(Universitas Sumatera Utara, 2017)The adsorption study of Arsenik by silver-Chitosan- Glutaraldehid composite, chitosan is obtained from horseshoe crab’s shell, has been conducted. Silver chitosan glutaraldehid composite is synthesized by reaction between ... -
Pengaruh Plastisiser Gliserol dan Poligliserol Asetat (PGA) terhadap Biodegradasi Plastik Polipropilen/Kitosan dengan Bakteri Effective Microorganism 4 (Em4)
(Universitas Sumatera Utara, 2016)Attempts to tackle environmental problems against hard-to-degrade plastic materials have been widely practiced. One of them was by using Effective Microorganism 4 (EM4) bacteria. Preparation of polypropylene / chitosan (PP ... -
Pembuatan Membran Selulosa Asetat-Bentonit Alam Sebagai Filtrasi Air Gambut Desa Kayu Labuogan Komering Ilir
(Universitas Sumatera Utara, 2016)Penelitian ini bertujuan mengetahui pengaruh penambahan bentonit pada membran selulosa asetat terhadap fluks dan % rejeksi membran pada filtrasi air gambut. Pembuatan membran selulosa asetat dengan penambahan variasi ... -
Modifikasi Tanah Tiruan dari Ampas Ubi Kayu (Mannihot esculenta) Disalut (Coating) Kitosan Sebagai Media Tanam
(Universitas Sumatera Utara, 2015)Penelitian tentang pembuatan media tanam dari ampas ubi kayu telah dilakukan. Tujuan dari penelitian ini adalah membuat tanah tiruan dari ampas ubi kayu yang mengandung pupuk NPK disalut (coating) kitosan. Variasi kitosan ... -
Preparasi dan Karakterisasi Komposit Resin Dgeba (Diglycidyl Ether of Bisphenol A) Secara In-Situ dengan Pengisi Serat Sabut Kelapa
(Universitas Sumatera Utara, 2015)Telah dilakukan penelitian pembuatan komposit resin DGEBA dengan pengisi serat sabut kelapa. Serat sabut kelapa yang digunakan dialkalisasi dengan larutan NaOH 5 % selama 72 jam. Bilangan hidroksi serat sabut kelapa yang ... -
Optimasi Sintesis Monogliserida dari Minyak Inti Sawit Menggunakan Katalis Natrium Hidroksida dan Pelarut Ter-Butanol
(Universitas Sumatera Utara, 2012)Monogliserida merupakan salah satu produk yang dihasilkan dari minyak inti sawit yang berfungsi sebagai emulsifier. Industri sabun, deterjen, kosmetik dan pangan sangat membutuhkan monogliserida bagi pengolahan produksinya, ...