Adsorption of Indigo Carmine Dye Using Cetyltrimethylammonium Bromide (CTAB) Surfactant Modified Zeolite

research of indigo carmine dye adsorption using natural zeolite modified by cetyltrimethylammonium bromide (ctab) surfactant has been done. the purpose of this study was to modify the natural zeolite ...

The Potential Test of Fungal Antagonist Trichoderma Viride to Inhibit the Growth of Pathogenic Fungi Fusarium Moniliforme and Alternaria Solani In-Vitro

fusarium moniliforme and alternaria solani are two types of mold which often cause the diseases of cultivated plants. fusarium moniliforme causes the ear rot disease on corn and the wilt disease of so...

Students Major Determination Decision Support Systems Using Profile Matching Method with SMS Gateway Implementation

in the implementation of curriculum 2013 at high school level, the majoring for students was started from the level of class 10. the available major options are math and natural sciences (mia), social...

The Antioxidant Activities, Phenolic Total and Cytotoxicity of Extract and Fractions of Aloe Vera Linn)

aloe vera is known containing compounds which have potencies as antioxidants, such as group of anthraquinones (especially emodin and aloin), flavonoids, tannins, saponins, and sterols. in this researc...

The Bioelectricity of Tofu Whey in Microbial Fuel Cell System with Lactobacillus Bulgaricus

tofu whey is a byproduct of the manufacturing process tofu which containing the remains of protein, fat, carbohydrates and water-soluble substances that do not agglomerate. this study aim was to asses...

Correction of 2D Isodose Curve on the Sloping Surface Using Tissue Air Ratio (TAR) Method

the curve of 2d isodose is used to determine the dose distribution in patient treated by radiotherapy. therefore, isodose curve is very useful for planning and evaluating of the dose received by the p...

Effect of Turmeric (Curcuma Domestica Vahl.) Extract on Broiler Blood Cholesterol Levels

this study aimed to determine the effect of turmeric extract on blood cholesterol levels of broiler chickens. the material used in this study were 24 male broiler chickens type of cp 707 and acclimate...

Role of Saturated Fatty Acid (SFA) for Degradation of Oil Quality

in this study, the phenomena of natural polarization has been used as a preliminary test of vegetable oil quality. the formation of saturated fatty acid (sfa) has been studied as a most responsible pa...

Effect of Series Circuit on the Lactose Bioelectricity of a Microbial Fuel Cell System Using Lactobacillus Bulgaricus

the need for alternative energy, especially electricity at this time is increasing. the decreasing amount of fuel that cannot be updated, encouraging scientists to conduct researches in finding altern...

Design of Non-Invasive Glucometer Using Microcontroller ATMega-8535

symptoms of diabetes mellitus (dm) or diabetes could be indicated by measuring blood sugar levels in the body. one of the health technology to detect blood sugar in non-invasive is to utilize the abso...

Modification Effect of Carbon Nanotubes by LiCl (CNTs/LiCl) on the Electrical Conductivity Character

carbon nanotubes have been modified by mass percentage variation of licl using reflux method. mass percentage variation used in this study was 0, 1, 5, and 15%. the purpose of this study was to determ...

Whey Tahu Sebagai Penghasil Biolektrisitas Pada Sistem Microbial Fuel Cell Dengan Lactobacillus Plantarum

bioelectricity of soy whey in microbial fuel cell system with lactobacillus plantarum has been performed. this study aims to determine the capacity of soy whey as a substrate in the mfc system and det...

Structure Elucidation of the Leaf of Tithonia Diversifolia (Hemsl) Gray

stucture elusidation of the leaves of tithonia diversifolia (hemsl) a.gray, were reported. the compounds were obtained by maceration and analyzed by gc–ms. the compounds of the leaves were the non vol...

The Growth of Botryococcus Braunii Microalgae as a Lipid Producer in a Mixed Medium of Coconut Water and Seawater

energy needs in fuel sector tend to increase for supporting human life. green microalgae (chlorophyceae) can be used as an alternative solutions for bioenergy. botryococcus braunii is lipid producer m...

Geographical Classification of Java Tea (Orthosiphon Stamineus) From Java Island by FTIR Spectroscopy Combined with Canonical Variate Analysis

ftir spectroscopy combined with canonical variate analysis was used for differentiation of java tea (orthosiphon stamineus) according to their geographical origin. ftir spectra of all java tea samples...

The Effect of BaCO3 Compound Changes on the Formation of Magnetic Material BaFe12O19

bafe12o19 is a permanent magnetic material which has superior properties to be excellent until the late of twentieth century. some of the obstacles in the synthesis of the material using a stoichiomet...

Respon Pertumbuhan Dan Produksi Senyawa Antioksidan Pada Kalus Hibiscus Sabdariffa L. Dari Eksplan Yang Berbeda Secara in Vitro

ascorbic acid and carotenoid are secondary metabolites found in roselle, which show antioxidant activity. these compounds can be obtained from callus induced by several kinds of explants. the aims of...

Bioakumulasi Timbal (Pb) Oleh Hydrilla Verticillata L.f. Royle Di Danau Rawapening, Ambarawa Semarang

rawapening lake is the one of national priority 2010 – 2014 that must get safe because the worse condition from eutrofication and water degradation quality. eutrofication of rawapening lake caused by ...

Jelly Fermented Soy Whey as Antioxidants Source of Alternative Functional Food

soy tofu whey is residual water in the process of tofu manufacturing which is derived from the remaining soy milk clotting. tofu whey contains bioactive compounds which have been studied previously co...

Lactose Bioelectricity on a Microbial Fuel Cell System Parallel Circuit Using Lactobacillus Bulgaricus

electrical energy needs in indonesia is estimated to continue growing by 4.6% per year, and if there is nothing to be done to increase the production of electric energy, this figure will increase thre...