Daftar: Recent submissions
Now showing items 5621-5640 of 5667
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POTENSI SITOTOKSIK EKSTRAK AIR DAUN SIRIH HITAM (Piper sp.)
(Jurnal Sains dan Kesehatan, 2015)Penelitian potensi sitotoksik ekstrak air daun sirih hitam (Piper sp.) dilakukan berdasarkan hasil penelitian kandungan metabolit sekunder dan bioaktivitas terhadap Artemia salina Leach ekstrak daun sirih hitam (Piper ... -
Secondary Metabolite Compounds of Bee Pollen the Geniotrigona Incise Sakagami & Inoue. from Samarinda East Borneo
(International Journal of Science and Research (IJSR), 2018)Secondary metabolites compounds of bee pollen a hive products Geniotrigona incise Sakagami& Inoue. has been investigated. Pollen samples extracted with ethanol by masseration method using a rotary evaporator. Ethanol ... -
Flavonoid Compounds from Krokot Herb (Lygodium microphyllum) and their Antioxidant Activity against DPPH
(Journal of Mathematical and Fundamental Sciences, 2018)Six flavonoid compounds, kaempferol (1), quercetin (2), acacetin (3), quercetin-3-O-?-D-glucopyranoside (4), kaempferol-3-O-?-D-glucopyranoside (5), and isorhamnetin-3-O-?-D-glucopyranoside (6), were isolated from ... -
Antidiabetic Activity of leaf extract from three types of Mangrove Originating from Sambera Coastal Region Indonesia
(Research Journal of Pharmacy and Technology, 2019)This study designed to determine the antidiabetic profile ethanol extracts of leaf extract from three types of mangroves; Avicennia sp., Rhizopora sp, and Sonneratia sp. Extraction process used maceration with ethanol ... -
A Known Naphthalene, Isoeleutherol, from the Herb of Lygodium microphyllum
(Makara Journal of Science, 2018)A known naphthalene, isoeleutherol (1), was isolated from the herb of Lygodium microphyllum. The chemical structure of 1 was determined on the basis of spectroscopic data mainly UV, IR, HRTOFMS, 1D- and 2D-NMR spectroscopy, ... -
Stigmast-5(6)-en-3?-ol dari Herba Tumbuhan Krokot (Lygodium microphyllum)
(JURNAL KIMIA VALENSI, 2015)Suatu senyawa steroid, stigma-5(6)-en-3?-ol atau ?-sitosterol (1) telah diisolasi dari ekstrak n-heksana herba tumbuhan krokot (Lygodium microphyllum). Struktur kimia senyawa 1 diidenfikasi berdasarkan data-data spektroskopi ... -
EFEK HEMOSTATIS EKSTRAK METANOL DAUN SISIK NAGA (Drymoglossum Piloselloides Presl.) PADA TIKUS JANTAN (Rattus norvegicus L.)
(Journal Of Tropical Pharmacy And Chemistry, 2013)Telah dilakukan penelitian efek hemostatis ekstrak metanol daun Sisik Naga (Drymoglossum Piloselloides Presl.) pada tikus jantan (Rattus norvegicus L.). Penelitian ini bertujuan untuk mengetahui efek hemostatis, dosis ... -
Career Development Prospects of Women Teachers in the Schools of Samarinda City
(US-China Education Review B, 2015)The aim of this research was to describe the obstacles of improving women teachers’ career development prospects (internal and external factors) and analyze the government regulation in determining the headmaster of the ... -
THE ROLE OF CIVIC EDUCATION IN THE GLOBALIZATION ERA
(Abstract Proceeding International Conference Of Social Studies Education, 2016)Abstract: This paper explain: (1) Background of civic education in Indonesia (2) Problems in implementing civic education in Indonesia (3) How the character of civic education in Economic Asean Society (MEA) civic education ... -
A Pure Isolated from Fruit Seeds of Kolowe (Chydenanthus excelsus) The Identified as Single Peak By HPLC Analytic Column They Are Two Saponin Compounds of Isomered
(Der Pharma Chemica, 2016)Analytical HPLC is a compounds separation tool that have better performances. The ability of the separation was not able to separate isomered saponins with physicochemical properties are very similar. It has been found two ... -
PERAN PENDIDIKAN KEWARGANEGARAAN (PKn) DALAM MENGHADAPI MASYARAKAT EKONOMI ASEAN (MEA)
(JURNAL VIDYA KARYA, 2017)Abstract : This paper explain: (1) Background of civic education in Indonesia (2) Problems in implementing civic education in Indonesia (3) How the character of civic education in Economic Asean Society (MEA) is. Civic ... -
Secondary Metabolites Compounds Profile by LC-MS/MS and Chemical Methods from Kolowe Stem Bark (Chydenanthus excelsus)
(Journal Of Pharmaceutical Sciences and Research, 2017)Secondary metabolites's profiles from stem bark of Kolowe (C. excelsus) are steroidal saponin and glycoside's flavonoids, which consists of five kinds of steroidal saponins and eight types of flavonoids glycoside's compounds. ... -
Chemical Profile by LC-MS/MS and Some Bioactivities from Leafs of Kolowe (Chydenanthus excelsus): A Wild and Rare Plant from Indonesia
(Journal Of Pharmaceutical Sciences and Research, 2017)Secondary metabolites from Kolowe leaf (C. excelsus) with chemical screening are saponins and flavonoids, spread in fraction methanol, ethyl acetate, and a water fraction. Profile secondary metabolites of methanol and ethyl ... -
Kinetic of Adsorption Process of Sulfonated Carbon-derived from Eichhornia crassipes in the Adsorption of Methylene Blue Dye from Aqueous Solution
(Bulletin of Chemical Reaction Engineering & Catalysis,, 2019)The evaluation of kinetic adsorption process of sulfonated carbon-derived from Eichhornia crassipesin the adsorption of methylene blue dye from aqueous solution has been carried out. The sulfonated car-bon-derived fromE. ... -
Modification of Coal Char-loaded TiO2 by Sulfonation and Alkylsilylation to Enhance Catalytic Activity in Styrene Oxidation with Hydrogen Peroxide as Oxidant
(Bulletin of Chemical Reaction Engineering & Catalysis, 2016)The modified coal char from low-rank coal by sulfonation, titanium impregnation and followed by alkyl silylation possesses high catalytic activity in styrene oxidation. The surface of coal char was undergone several steps ... -
Female Teachers Holding the Position of Principal (Case Study of Females in Pursuing Career in School)
(American Journal of Educational Research, 2015)The purpose of this study is to reveal the condition of female teachers in the highest position in school as the principal by applying the qualitative approach of case study model. The technique of data gathering used is ... -
Titania-Loaded Coal Char as Catalyst in Oxidation of Styrene with Aqueous Hydrogen Peroxide
(International Journal of Chemical Reactor Engineering, 2017)Titania-loaded coal char catalyst was successfully prepared. The preparation steps involved pyrolysis of low rank coal at different temperatures and durations, sulfonation, impregnation of titanium(IV) isopropoxide, and ... -
Negative Effect of Calcination to Catalytic Performance of Coal Char-loaded TiO2 Catalyst in Styrene Oxidation with Hydrogen Peroxide as Oxidant
(Bulletin of Chemical Reaction Engineering & Catalysis,, 2018)The research of negative effect of calcination to catalytic performance of coal char-loaded TiO2catalyst in styrene oxidation with hydrogen peroxide as oxidant has successfully done. The effects of calcination step to ... -
Utilization Low Rank Coal Bottom Ash as TiO2 Support for Oxidation Catalyst of Styrene with Hydrogen Peroxide Aqueous
(Key Engineering Materials, 2016)One of the coal combustion ashes is coal bottom ash. Low rank coal bottom ash can act as TiO2 catalyst’s support which was calcined at varying temperature, has been created. The low rank coal bottom ash model was collected ... -
Comparing of ARIMA and RBFNN for short-term forecasting
(International Journal of Advances in Intelligent Informatics (IJAIN), 2015)Based on a combination of an autoregressive integrated moving average (ARIMA) and a radial basis function neural network (RBFNN), a time-series forecasting model is proposed. The proposed model has examined using simulated ...