Master Theses
Master Theses
Recently added
Now showing items 361-374 of 374
-
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, ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ...
RSS 1.0