99 articles for “Co-Solvent”

Research ArticleOpen accessIn the abstractExtraction of Oil from Jatropha Seeds-Optimization and KineticsSepidar Sayyar, Zurina Zainal Abidin, Robiah Yunus, Azhari MuhammadProblem statement: Jatropha curcas is a wonder plant with a variety of applications and enormous economic potentials. Oil from the seeds can be used as alternative fuel and for making biodiesel which aims to overcome energy crisis problems. In this study, extraction of Jatropha oil from seeds was optimized using organic solvent based on the amount of the extracted oil. … …American Journal of Applied Sciences, Vol. 6, Issue 7 · 31 Jul 2009 · 13,768 accessesView PDF Cite

Research ArticleOpen accessIn the abstractA Study of Residual Oils Recovered from Spent Bleaching Earth: Their Characteristics and ApplicationsLoh Soh Kheang, Cheng Sit Foon, Choo Yuen May, Ma Ah NganThis study described the extraction of residual oils of spent bleaching earth (SBE) from palm oil refining industry, the properties and applications of residual oils obtained there from. Residual oils of SBE (acid-activated, WAC and neutral, NC) were recovered via solvent and supercritical-fluid (SC-CO2) extraction. The yields of residual oils recovered from WAC were higher than those from NC using … …American Journal of Applied Sciences, Vol. 3, Issue 10 · 31 Oct 2006 · 9,231 accessesView PDF Cite

Research ArticleOpen accessIn the abstractBioactive Compounds from Sponge Associated Bacteria: Anticancer Activity and NRPS-PKS Gene Expression in Different Carbon SourcesJepri Agung Priyanto, Rika Indri Astuti, Jun Nomura, Aris Tri WahyudiSponge associated bacteria with diverse NRPS-PKS genes could be the alternative source of bioactive compounds. This study aimed to analyze the activity as well as the regulatory mechanism regarding the anticancer properties derived from these bacteria against cancer cell lines. Extraction of bacterial metabolites using ethyl acetate solvent resulted yield ranging from 0.003 to 0.016% (w/v). Six extracts of bacterial … …American Journal of Biochemistry and Biotechnology, Vol. 13, Issue 4 · 5 Oct 2017 · 8,886 accessesView PDF Cite

Research ArticleOpen accessIn the abstractSimulation Model for Feasibility Studies on Bioremediation of Uranium Mill Tailings using Hyper Accumulator Chrysopogon zizanioidesH. Shanmugasundaram, Sathesh Kumar Annamalai, Kantha Deivi Arunachalam et al.Contamination of environment by uranium is expected in places where mining of uranium ore and processing, nuclear testing and reactor operations when the control measures are not effective. The daughter radionuclides of the ores, chemical additives and residual uranium are the maincomponents of processed waste from uranium industries. The bioremediation of contaminated areas using plant species or group of the … …American Journal of Environmental Sciences, Vol. 12, Issue 6 · 11 Dec 2016 · 8,872 accessesView PDF Cite

Research ArticleOpen accessIn the abstractCuInSe2 (CIS) as A light Absorption Layer of Photovoltaic Solar-CellsOmar Abdulsada AliArrested precipitation methode used to synthesize CuInSe2 (CIS) nanocrystals were added to a hot solvent with organic capping ligands to control nanocrystal formation and growth. CIS thin films deposited onto Soda-Lima Glass (SLG) substrate by spray-coat, then selenized in Ar-atmosphere to form CIS thin films. PVs were made with power conversion efficiencies of 0.631% as-deposited and 0.846% after selenization, for … …Current Research in Nanotechnology, Vol. 7, Issue 1 · 29 Feb 2016 · 14,781 accessesView PDF Cite

Research ArticleOpen accessIn the abstractFlow Dynamic Behavior of Fish Oil/Silver Nitrate Solution in Mini-Channel, Effect of Alkane Addition on Flow Pattern and Interfacial TensionKirubanandan ShanmugamThe mini-fluidic contacting system is developed as process intensification platform as an attractive alternative for existing liquid-liquid extraction system for separation of Omega 3 PUFA from using Aqueous 50% Wt. Silver nitrate solution. To improve the performance of extraction in mini-fluidics, it is necessary to study the flow-dynamic behavior of fish oil silver nitrate system in the channel. Moreover, different … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 2 · 26 Feb 2016 · 7,956 accessesView PDF Cite

Research ArticleOpen accessIn the abstractAntimicrobial and Antioxidant Activities of Bacterial Extracts from Marine Bacteria Associated with Sponge Stylotella sp.Daning Yoghiapiscessa, Irmanida Batubara, Aris Tri WahyudiSponge-associated bacteria have great potential in developing marine pharmaceutical industry since they are capable of synthesizing numerous bioactive metabolite compounds. This study aimed to isolate, characterize and investigate potential antimicrobial, toxicity and antioxidant of bioactive compounds of bacteria associated with sponge Stylotella sp. A total of 138 bacteria were selected. During screening stage, 45 isolates (32%) produced a wide spectrum … …American Journal of Biochemistry and Biotechnology, Vol. 12, Issue 1 · 22 Feb 2016 · 9,154 accessesView PDF Cite

Research ArticleOpen accessIn the abstractChemotaxonomy of Indonesian Citrus maxima based on Leaf Essential OilsRatna Susandarini, Rugayah, Lauretius Hartanto Nugroho, Siti SubandiyahPummelo (Citrus maxima) is one of true citrus species originated from South East Asian regions. Pummelo is known as having high morphological diversity, but lacking of comprehensive publications documenting chemical diversity. The objectives of this study were to reveal essential oil diversity and its implication on the chemotaxonomy of the species. Leaves from forty individual plants were collected from seven … …OnLine Journal of Biological Sciences, Vol. 16, Issue 1 · 29 Dec 2015 · 8,098 accessesView PDF Cite

Review ArticleOpen accessIn the abstractSelected Genotoxic Impurities Profiling During WFI Qualification to Control Carcinogenesis in Large Volume ParenteralsMohabbat UllahWater For Injections (WFI) which is the main vehicle of Large Volume Parenterals (LVPs) should be free from trace amount of genotoxic impurities. This review gives emphasis on quantification of genotoxic trace metals during qualification of WFI in LVPs manufacturing unit. According to ICH guidelines, impurities related to drug substances are classified into three main categories: Organic impurities, inorganic (elemental) … …American Journal of Pharmacology and Toxicology, Vol. 10, Issue 1 · 27 May 2015 · 7,708 accessesView PDF Cite

Research ArticleOpen accessIn the abstractInhibition of Panton-Valentine Leukocidin Toxin Induced Neutrophil Cell Lysis by Vancoplus in Methicillin-Resistant Staphylococcus Aureus InfectionsManu Chaudhary, Santosh Kumar Patnaik, Anurag PayasiPantone Valentine Leukocidin (PVL) is a cytotoxin associated with virulence of Methicillin-Resistant Staphylococcus aureus (MRSA). This study was undertaken to analyze the prevalence of PVL among MRSA strains and to study the effect of adjuvants (L-lysine, L-arginine, Ethylenediamine Tetraacetic Acid (EDTA) as well as drugs on PVL induced neutrophil cell lysis. Further, in vitro activity of Vancoplus, vancomycin, linezolid, teicoplanin … …American Journal of Infectious Diseases, Vol. 10, Issue 4 · 20 Dec 2014 · 7,106 accessesView PDF Cite