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Now showing items 111-120 of 144
Membran Komposit Kitosan-Natrium Alginat untuk Aplikasi Direct Methanol Fuel Cell
(2013)
Composite of chitosan and sodium alginate can be utilized as base material of proton exchange membrane (PEM). The composite membranes were produced by various concentrations of chitosan-sodium alginate, namely 3:3, 3:4, ...
Optimisasi Waktu Perendaman Kemedangan Gaharu Hasil Inokulasi pada Rendemen dan Komponen Kimia Minyak Gaharu
(2013)
Agarwood oil is often used in medicine, perfume, and cosmetic industries. This study aims to determine the optimum soaking time of agarwood kemedangan of inoculated agarwood trees to isolate the essential oils and to analyse ...
Desorpsi Logam Pb dari Kerang Darah (Anadara granosa) Menggunakan Ekstrak Air dan Pektin Kulit Pisang Kepok (Musa paradisiaca)
(2013)
Lead pollutant on foodstuffs such as in meat blood cockle must be solved because lead is carcinogenic. Efforts for foodstuff safety from various pollutants must be supported. The objectives of this research were utilizing ...
Perbaikan Sifat Termal dan Mekanik Komposit Poliasam Laktat- Nanoselulosa melalui Asetilasi
(2013)
Microfibrillated cellulose (MFC) has nano-sized dimension, high molecular weight, and high crystallinity that can be used as reinforcement and filler in polylactic acid (PLA) composites. Property differences between ...
Esterifikasi Selulosa Mikrofibril dengan Berbagai Anhidrida sebagai Peningkat Sifat Termal dan Mekanik Komposit Poliasam Laktat
(2013)
Cellulose at nanoscale, so called microfibrillated cellulose (MFC), has been discovered as reinforcement for polylactic acid (PLA) composite. Hydrophilicity of MFC makes the fibers do not uniformly dispersed in the hydrophobic ...
Sintesis dan Uji in Vitro Hidroksiapatit dari Limbah Cangkang Keong Sawah (Bellamya javanica) Berporogen Pati Kentang
(2013)
Biomaterial that is widely used for bone tissue rehabilitation is hydroxyapatite (HAp). HAp was synthesized from calcium reacted with ammonium phosphate, and added with potato starch as porogen. The synthesis of HAp was ...
Pembuatan Superabsorben melalui Kopolimerisasi Onggok Dikarboksilat dengan Asam Akrilat
(2013)
Onggok is a by-product from tapioca industry which has solid shape and usually one-fist sized. The main objective of this study was to synthesize superabsorbent polymer (SAP) from onggok dicarboxylic by grafting-crosslinking ...
Fraksi Nonpolar Ekstrak Metanol Buah Sinyo Nakal (Duranta repens)
(2013)
Air-dried simplicia of Duranta repens from Jombang, East Java was extracted by maceration with n-hexane followed by re-extraction of the unsaponifialbe n-hexane ectract with methanol. Based on phytochemical test results, ...
Adsorpsi–fotodegradasi Biru Metilena oleh Nanokomposit Kaolin/TiO2 yang Diemban dengan ZnO
(2013)
Synthetic dye waste such as methylene blue pollutes aquatic evironment. Kaolin/TiO2 nanocomposite was made for adsorption–photodegradation process under UV light. The nanocomposite was prepared by paste and ball milling ...
Aktivitas antijerawat formula campuran meniran dan temu lawak serta aktivitas inhibisinya terhadap katalase Staphylococcus aureus
(2013)
Acne is an inflammation of skin caused by Staphylococcus aureus, S. epidermidis, and Propionibacterium acnes bacteria. Antiacne activity of temu lawak and meniran has been analyzed through antibacterial activities against ...