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Alcohol Pervaporation Using Polystyrene-SDS MembranePervaporasi Alkohol Menggunakan Membran Polistirena-SDS
(2010)
Polystyrene (PS) membrane with SDS as porogen can be utilized as a filter in alcohol pervaporation process. The membrane was prepared using inversed phase method with PS:SDS:dichloromethane solvent composition were 17:0:83; ...
Optimalisasi Pembuatan Poli(asamlaktat) tanpa Katalis
(2009)
Poly(lacticacid) (PLA) is an aliphatic polyester that can be used for raw material of biodegradable plastic and coating material of medicines. PLA was made with direct polycondensation without catalyst in 24 and 32 hours ...
Kadar Genistein dan Daidzein pada Kedelai, Ampas Tahu, dan Oncom Merah
(2009)
Isoflavone (genistein and daidzein) can be found in Leguminosae, especially in soybean. Soybean can be processed into tofu and get around to tofu waste, which can be processed finally to “oncom merah”. Soybean, tofu waste, ...
Mechanical Strength of Polystyrene-Starch Polyblend Using Jatropha Oil Epoxide PlasticizersSifat Mekanis Polipaduan Polistirena-Pati Menggunakan Zat Pemlastis Epoksida Minyak Jarak Pagar
(2010)
Polyblend is a physical mix between two or more polymers resulting in different properties to get degradable polymer and better mechanical properties. Starch is degradable polymer, but polystyrene is synthetic polymer which ...
Isolasi Fraksi Flavonoid sebagai Inhibitor Enzim α-Glukosidase dari Buah Mahkota Dewa
(2009)
Mahkota dewa (Phaleria macrocarpa) empirically recognized as anti-diabetic. This claim requires further analysis, one of it by enzymatic inhibition assay using α-glucosidase enzyme. This intestinal enzyme produce in the ...
Isolasi Fraksi Aktif Ekstrak Daun Dandang Gendis (Clinacanthus nutans) Berpotensi sebagai Antibakteri
(2009)
Ethanol extract of dan dang gendis leaves have been known to be toxic toward Artemia salina brine shrimp. This toxicity property was likely due to the existences of some of its secondary metabolites that have antibacterial ...
Methanol Pervaporation Using Cellulose Acetate/Polyvinyl Pyrrolidone Membrane and Sodium Dodecyl SulfatePervaporasi Metanol Menggunakan Membran Selulosa Asetat/Polivinil Pirolidon dan Natrium Dosesil Sulfat
(2010)
Pervaporation membrane is one of alternative methods to purify methanol. Performance of the pervaporation is affected by its characteristics. Phase inversion technique was used for preparing the membrane. The membrane was ...
Sintesis dan Pencirian Benzalkonium KIOl'ida
(2009)
One active compound which is used in disinfectant is benzalkonium chloride. It is one of the safest biocides known and has a long history of efficacious use; hence, benzalkonium chloride becomes important in disinfectant ...
Alkaloid Extract from Crown of God Fruit as α-Glucosidase InhibitorSenyawa Golongan Alkaloid Ekstrak Buah Mahkota Dewa sebagai Inhibitor α-Glukosidase
(2010)
The crown of God Fruit is believed to cure diabetes mellitus. The objective of this study is to investigate the highest inhibitory activity of α-glucosidase from alkaloid extract of the fruit by in vitro method. Three ...
Pengaruh Pemberian Pupuk Organik pada Kadar Asam Humat dan Asam Fulvat Tanah di Lahan Pertanian Organik
(2009)
Humic acid and fulvic acid are active compounds of humus, resulted fi'om decomposition process of organic matter. These compounds play an important part in increasing the plant growth. Therefore, their availability in the ...