Browsing Tesis Magister by Issue Date
Now showing items 1-20 of 42
-
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 ... -
Isolasi dan Penentuan Aktivitas Antioksidan dan Antibakteri dari Flavonoida Total, Alkaloida Total dan Terpenoida Total Kulit Manggis (Garcinia Mangostana L)
(Universitas Sumatera Utara, 2019)Phytochemical screening showed that mangosteen peel contains alkaloids, flavonoids and terpenoids. 3 kg of mangosteen peel extracted with methanol obtained a solid extract of 237.10 g. Through the partition process, total ... -
Analisis Unsur Logam Merkuri (Hg) dan Timbal (Pb) yang Terdapat pada Air dan Sedimen Sungai Sekitar Pertambangan Emas di Sumatera Utara (Batang Toru)
(Universitas Sumatera Utara, 2019)Research has been carried out on the analysis of Mercury (Hg) and Lead (Pb) metals in rivers around gold mining in North Sumatra (Batang Toru). The purpose of this study was to analyze the heavy metal content of Mercury ... -
Isolasi dan Identifikasi Senyawa Flavonoida dari Daun Tumbuhan Mundu (Garcinia Dulcis (Roxb) Kurz) Serta Uji Aktivitas Antibakteri dan Antioksidan
(Universitas Sumatera Utara, 2019)Isolation and identification of flavonoid compound of mundu (Garcinia dulcis(Roxb) kurz) leaves and antibacterium and antioxidant test.The process of flavonoid compound isolation begins with the process of maceration ... -
Sintesis Turunan Kitosan Melalui Reaksi Antara Kitosan Dengan Epiklorohidrin dan Dietilen Triamin Serta Pengujian Adsorpsi Terhadap Ion Logam Cu2+, Zn2+ dan Fe2+
(Universitas Sumatera Utara, 2019)The chitosan derivatives were synthesized through Schiff base formation and alkylation using diethylene triamine and epichlorohydrin, with and without the presence of benzaldehyde. The first derivative product was chitosan ... -
Pembuatan dan Karakterisasi Kitosan-Karbon Aktif dari Ampas Kopi Sebagai Adsorben Untuk Menurunkan Kadar Logam Kadmium dan Nikel
(Universitas Sumatera Utara, 2019)Preparation and characterization of chitosan with activated carbon from coffee grounds have been made with the aim of reducing the metal content of Cadmium (Cd) and Nickel (Ni) in standard solutions. This study consisted ... -
Karakterisasi Bionanokomposit Pati Sukun/PVA yang Diinkorporasi Dengan Nanoserat Selulosa dan Aloe Vera
(Universitas Sumatera Utara, 2019)Characterization of breadfruit starch/PVA bionanocomposite that incorporation with nanofibre cellulose and aloe vera has been carried out. Cellulose nanofibre were isolated by acid hydrolysis using 45% H2SO4 and mechanical ... -
Deteksi Metronidazole Menggunakan Elektroda Tembaga Termodifikasi Kitosan-Grafena Oksida Tereduksi dengan Metode Cyclic Voltammetry
(Universitas Sumatera Utara, 2019)Chitosan-reduced graphene oxide (rGO) modified electrode was conducted for detection of metronidazole by cyclic voltammetry method. Composition of chitosan-rGO was varied in chitosan matrix to confirm the high current ... -
Pemanfaatan Kefir dan Inulin dari Umbi Bengkoang (Pachyrhizus Erorus) pada Minuman Probiotik dari Susu Segar Kambing Etawa
(Universitas Sumatera Utara, 2019)Research has been carried out on the utilization of kefir and inulin isolated from bengkoang tubers in making probiotic drinks from fresh milk etawa goats. The study began by extracting inulin from bengkoang tuber extract ... -
Modifikasi Permukaan Pulp Selulosa Bambu Belangke (Gigantochloa pruriens) dengan Senyawa Antimikroba [2-(Akriloiloksi)Etil] Trimetil Amonium Klorida dan Anhidrida Maleat
(Universitas Sumatera Utara, 2019)In this work, pulp cellulose (Cell) was prepared from Belangke bamboo (gigantochloa pruriens) by Craft delignification process. This then was modified in a bench scale reflux-reactor for 2 hours in toluene as solvent with ... -
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 ...