Doctoral Dissertations
Doctoral Dissertations
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Analisis Biomolekuler dan Sifat Patogenesitas Ganoderma Terhadap Penyakit Busuk Pangkal Batang pada Tanaman Kelapa Sawit (Elaeis Guinensis)
(Universitas Sumatera Utara, 2008)Biomolekuler analysis and photogenesity test of Ganoderma, causal agent of basal stem rot (BSR) disease on oil palm (Elaeis Guinensis) have been carried out. The identification and characterization were preceded by ... -
Uji Sitotoksik Senyawa Aktif Kalkon Tersubstitusi Halogen terhadap Sel Kanker Payudara MCF-7
(Universitas Sumatera Utara, 2022)The synthesis of halogen-substituted chalcone compounds was carried out using the Clasien-Schmidt condensation type aldol condensation method, using microwave radiation or ecofriendly. The number of substituted chalcone ... -
Ekstraksi dan Imobilisasi Senyawa Aktif Berkhasiat Antibakteri dari Ekstrak Metanol Daun Pirdot (Saurauia vulcani, Korth) dalam Hidrogel Semi Interpretating Polimer Network
(Universitas Sumatera Utara, 2022)Research on the extraction and immobilization of antibacterial active compounds in methanol extract of pirdot leaves in semi IPN hydrogel has been carried out. This study aimed to analyze the antibacterial active compounds ... -
Pengolahan Sludge Primer dan Abu Boiler dari Pabrik Pulp Sebagai Mikrofiller Panel Busa Komposit Penyerap Suara Berbasis Polistirena
(Universitas Sumatera Utara, 2022)Effort to utilize and improve the value of pulp waste was done by using boiler ash and primary sludge (still containing cellulose) being a filler to produce composite foam polystyrene (PS)-based as sound absorbent. In this ... -
Identifikasi Cepat Minyak Atsiri Berdasarkan Pengamatan Spektrum Fluoresensi
(Universitas Sumatera Utara, 2010)Have been rapid identification to some oil atsiri that is Olive Oil , VCO ( virgin coconut oil ), minyak sereh and minyak nilam by method analyse spectrum fluorescence. Spectral properties of fluorescence that is wavelength ... -
Karakteristik Arang dan Asap Cair dari Tempurung Kelapa menggunakan Reaktor Pirolisis Termodifikasi Tar Scrubber
(Universitas Sumatera Utara, 2021)The two main problems faced by the conventional coconut shell charcoal industry are low charcoal yield and smoke pollution. In addition, bio-oil products produced using traditional techniques are still of poor quality. ... -
Penyediaan Pembalut Luka Bakar Berbasis Selulosa Bakteri dengan Variasi Impregnasi Andaliman (Zanthoxylum Acanthopodium), Kitosan dan Kolagen
(Universitas Sumatera Utara, 2021)Bacterial cellulose (BC) is a biopolymer commonly used for wound dressing due to its high biocompatible properties either in-vitro or in-vivo. The three-dimensional fiber structure of BC becomes an advantage because it ... -
Modifikasi dan Karakterisasi Nanokomposit Karet Alam Siklis- Poliamida/Bentonit dengan Asam Oleat dan Divinilbenzena Sebagai Kompatibiliser Untuk Bahan Pengikat Cat
(Universitas Sumatera Utara, 2021)Cyclic natural rubber (CNR) is widely used as a resin for paint binder, but still has a weakness in terms of compatibility with polar surfaces such as polyamide (PA). The cause of immiscible PA and CNR is due to the ... -
Isolasi dan Elusidasi Struktur Kimia Flavonoida dari Daun Pala (Myristica Fragrans Houtt) dan Uji Aktivitas Antioksidan
(Universitas Sumatera Utara, 2015)Research on plant leaves Myristica fragrans Houtt Pala was aimed to find a chemical compound and antioxidant activity with 1,1-diphenyl-2-picryl-hydrazil (,-diphenyl--picrylhidrazyl) atau DPPH radical-scavenging methods. ... -
Preparasi dan Karakterisasi Karbon Nanotube dengan Media Support Karbon Aktif Cangkang Kelapa Sawit - Kitosan Nanokomposit dari Cangkang Belangkas sebagai Adsorben untuk Menurunkan Kadar Logam Hg pada Limbah Cair Tambang Emas
(Universitas Sumatera Utara, 2015)Palm oil shells and horseshoe crab shell is solid waste that can be processed into a nanocomposite that serves as an adsorbent to absorb liquid waste. In this research, the preparation and characterization of carbon ... -
Inkorporasi Asam Askorbat pada Pembentukan Selulosa Bakteri dengan Menggunakan Acetobacter Xylinum
(Universitas Sumatera Utara, 2010)Incorporation of ascorbic acid at forming bacterial cellulose by using Acetobacter xylinum. Coconut water as a substance, use for making bacterial cellulose thrugh phosphate pentose pathway with juice Acetobacter xylinum ... -
Pengolahan Zeolit Alam sebagai Bahan Pengisi Nano Komposit Polipropilena dan Karet Alam Sir -20 dengan Kompatibeliser Anhidrida Maleat-Grafted-Polipropilena
(Universitas Sumatera Utara, 2011)Natural zeolites have been carried out preparation of the North Tapanuli Pahae North Sumatra Province in the form of slabs with the grinding be sized 200 mesh (74μm) of natural zeolite is stiffened process of purification ... -
Pemanfaatan Hasil Hidrolisis dan Alkoksilasi dengan Gliserol dari Epoksida Minyak Kemiri sebagai Sumber Poliol untuk Pembuatan Poliuretan
(Universitas Sumatera Utara, 2010)Polyurethane can be produced by polymerisation of diisocyanate with polyol. Polyol can be produced by oxidation of unsaturated fatty acid with peracid followed by hydrolysis or alkoxylation of cyclic epoxyde..The purpose ... -
Penggunaan Anhidrida Maleat-Grafted-Polipropilena (Am-G-Pp) dan Anhidrida Maleat-Grafted- Karet Alam (Am-G-Ka) Pada Termoplastik Elastomer (Tpe) Berbasis Polipropilena,Kompon Karet Alam Sir-20 dan Serbuk Ban Bekas
(Universitas Sumatera Utara, 2011)Has been conducted by making material thermoplastic elastomer (TPE) based on polypropylene (PP), SIR-20 Compound, crumb rubber by using materials of maleic anhydride grafted polypropylene compatibilizer (AM-g-PP) and ... -
Fungsionalisasi Polipropilena Terdegradasi Menggunakan Benzoil Peroksida, Anhidrida Maleat dan Divinil Benzena sebagai Bahan Perekat Papan Partikel Kayu Kelapa Sawit
(Universitas Sumatera Utara, 2011)Research about use of maleic anhydride – graft – degradated polypropylene (PPd-g-MA), benzoyl peroxide and divinyl benzene as a palm oil trunk particleboard adhesive have been done. The research have been done in three ... -
Perbandingan Kandungan Lemak Trans pada Pembuatan Coating Fat dari Minyak Inti Sawit melalui Reaksi Hidrogenasi Parsial , Interesterifikasi dan Metode Blending
(Universitas Sumatera Utara, 2011)In an effort to protect consumer health , it is needed minimal trans fat. The development of the coating fat with partial hydrogenation , interesterification and blending methods. Minimal trans fatty acid was obtained ... -
Studi Pemanfaatan Bahan Pengemulsi Berbasis Minyak Kelapa untuk Produk Film Lateks Pekat Karet Alam dengan Agen Vulkanisasi Sulfur dan Dikumil Peroksida
(Universitas Sumatera Utara, 2011)Emulsifying ingredient commonly used for latex on rubber plantations is ammonium laurate (AL). Unfortunately, this agent had to be imported from abroad with the high price. The usage of AAL combined with ALS as an ... -
Optiuumasi Pembuatan Asam Stearat Berbasis Refined Bleached Deodorized Palm Stearin (Rbdps) yang Stabil sesuai Standar Mutu
(Universitas Sumatera Utara, 2010)The optimization of stearic acid production with the stable quality had been done in this research. The back ground this research to produce and purify “stearic acid - 1840 base on RBDPS on comercial scale was it standar ... -
Pembuatan Nanokomposit Poliuretan Berbasis Minyak Kelapa Sawit dengan Nanopartikel Montmorillonit Organik sebagai Bahan Cat
(Universitas Sumatera Utara, 2015)This research reports the manufacture of palm oil-based polyurethane nanocomposite with organic montmorillonite nanoparticle as paint coating. This research consists of five stages namely the manufacture of polyol, organic ... -
Pengolahan dan Karakterisasi Bentonit Alam Aceh Sebagai Pengisi Nanokomposit Polipropilena-Montmorillonit
(Universitas Sumatera Utara, 2013)Research on the characterization and processing of natural bentonite of Aceh as filler polypropylene-montmorillonite nanocomposite has been done. Natural bentonite in this study was taken from three areas in Aceh, which ...
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