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Growth kinetics, effect of carbon substrate in biosynthesis of mcl-PHA by Pseudomonas putida Bet001

Ahmad Mohammed Gumel、Mohamad Suffian Mohamad Annuar、Thorsten Heidelberg2014-06-01Brazilian Journal of Microbiology

Growth associated biosynthesis of medium chain length poly-3-hydroxyalkanoates (mcl-PHA) in Pseudomonas putida Bet001 isolated from palm oil mill effluent was studied. Models with substrate inhibition terms described well the kinetics of its growth. Selected fatty acids (C8:0 to C18:1) and ammonium were used as carbon…

Nanocomposite Films for Food Packagingbiodegradable polymer synthesis and propertiesMicroplastics and Plastic Pollution

Investigation on the placement effect of UHF sensor and propagation characteristics of PD-induced electromagnetic wave in GIS based on FDTD method

Tianhui Li、Xiaohua Wang、Zheng Chen 等 5 位作者2014-06-01IEEE Transactions on Dielectrics and Electrical Insulation

Using ultra-high-frequency (UHF) method in practical partial discharge (PD) detection can be affected by the positioning and placement of the UHF sensor. This in turn can affect the PD diagnosis. To ensure optimal performance of the sensor and understand the propagation process of electromagnetic (EM) wave, there is a…

High voltage insulation and dielectric phenomenaLightning and Electromagnetic PhenomenaAerosol Filtration and Electrostatic Precipitation

Liver cancer cells: targeting and prolonged-release drug carriers consisting of mesoporous silica nanoparticles and alginate microspheres

Kevin C.‐W. Wu、Yu‐Te Liao、Chia‐Hung Liu 等 4 位作者2014-06-01International Journal of Nanomedicine

A new microsphere consisting of inorganic mesoporous silica nanoparticles (MSNs) and organic alginate (denoted as MSN@Alg) was successfully synthesized by air-dynamic atomization and applied to the intracellular drug delivery systems (DDS) of liver cancer cells with sustained release and specific targeting properties.…

Nanoparticle-Based Drug DeliveryNanoplatforms for cancer theranosticsAdvanced Drug Delivery Systems

Analysis of partial discharge characteristics of natural esters as dielectric fluid for electric power apparatus applications

S. Chandrasekar、Gian Carlo Montanari2014-06-01IEEE Transactions on Dielectrics and Electrical Insulation

Petroleum based mineral oils are generally used for electric power apparatus insulation and cooling applications. Since the conventionally used mineral oils are not biodegradable and difficult to decompose, there is a need for the development of alternate vegetable based insulation oils for such applications. Formatio…

High voltage insulation and dielectric phenomenaLightning and Electromagnetic PhenomenaPower Transformer Diagnostics and Insulation

SiO2 nanoparticle-induced impairment of mitochondrial energy metabolism in hepatocytes directly and through a Kupffer cell-mediated pathway in vitro

Jiao Sun、Xue Yang、Qingqing Chen 等 4 位作者2014-06-01International Journal of Nanomedicine

The liver has been shown to be a primary target organ for SiO2 nanoparticles in vivo, and may be highly susceptible to damage by these nanoparticles. However, until now, research focusing on the potential toxic effects of SiO2 nanoparticles on mitochondria-associated energy metabolism in hepatocytes has been lacking.…

Nanoparticles: synthesis and applicationsGraphene and Nanomaterials ApplicationsAnesthesia and Neurotoxicity Research

Assessment of antitumor activity and acute peripheral neuropathy of 1,2-diaminocyclohexane platinum (II)-incorporating micelles (NC-4016)

Takasyoshi Ueno、Kazuhira Endo、Kiyomi Hori 等 11 位作者2014-06-01International Journal of Nanomedicine

Oxaliplatin, a third-generation platinum compound incorporating oxalate and 1,2-diaminocyclohexane platinum, has been widely used in chemotherapy regimens for the treatment of metastatic colorectal cancer. Because of its wide spectrum of antitumor activity, oxaliplatin has been applied for the treatment of other carci…

Nanoparticle-Based Drug DeliveryMultiple Myeloma Research and TreatmentsCancer Treatment and Pharmacology

Corrosion inhibition effect and adsorption behaviour of nicotinamide derivatives on mild steel in hydrochloric acid solution

M. P. Chakravarthy、K. N. Mohana、C.B. Pradeep Kumar2014-06-01International Journal of Industrial Chemistry

A new class of nicotinamide derivatives viz., N -((1H-pyrrol-2-yl)methylene)nicotinamide, N -((methyl(phenyl)amino)methylene)nicotinamide, N -nicotinoylbenzimidothioic acid and N -(4-(methylthio)benzylidene)nicotinamide have been synthesized and their corrosion inhibition effect on mild steel in 0.5 M HCl was investig…

Corrosion Behavior and InhibitionHydrogen embrittlement and corrosion behaviors in metalsConcrete Corrosion and Durability

Kaolin: From Ancient Porcelains to Nanocomposites

Paul A. Schroeder、Gregory M. Erickson2014-06-01Elements

Research Article| June 01, 2014 Kaolin: From Ancient Porcelains to Nanocomposites Paul A. Schroeder; Paul A. Schroeder 1University of Georgia, Department of GeologyAthens, GA 30602-2501, USAE-mail: schroe@uga.edu Search for other works by this author on: GSW Google Scholar Gary Erickson Gary Erickson 2Macalester Colle…

Geological and Geochemical AnalysisBuilding materials and conservationClay minerals and soil interactions

Surface modifications of silica nanoparticles are crucial for their inert versus proinflammatory and immunomodulatory properties

Gabriele Alessandrini、Juan Antonio Aguilar Pimentel、Robert Landsiedel 等 13 位作者2014-06-01International Journal of Nanomedicine

BACKGROUND: Silica (SiO₂) nanoparticles (NPs) are widely used in diverse industrial and biomedical applications. Their applicability depends on surface modifications, which can limit potential health problems. OBJECTIVE: To assess the potential impact of SiO₂ NP exposure and NPs chemical modifications in allergic airw…

Nanoparticles: synthesis and applicationsOccupational and environmental lung diseasesInhalation and Respiratory Drug Delivery

Microstructures and mechanical properties of the age hardened Mg–4.2Y–2.5Nd–1Gd–0.6Zr (WE43) microalloyed with Zn

Yonghai Kang、Di Wu、Rongshi Chen 等 4 位作者2014-06-01Journal of Magnesium and Alloys

The effect of trace addition of 0.2 wt.% Zn on the microstructures and mechanical properties of the age-hardening Mg–4.2Y–2.5Nd–1Gd–0.6Zr (wt.%) (WE43) alloy has been investigated. As compared with the WE43 alloy after solid solution treatment at 525 °C, the block-like Zn–Zr phase was still observed in the WE43-0.2Zn…

Metal and Thin Film MechanicsMagnesium Alloys: Properties and ApplicationsAluminum Alloys Composites Properties

Advances and Challenges in the Synthesis of Poly( p ‐phenylene vinylene)‐Based Polymers

Alan J. Blayney、Igor F. Perepichka、Fred Wudl 等 4 位作者2014-06-01Israel Journal of Chemistry

Abstract We provide an overview of the current progress in the synthesis of poly( p ‐phenylene vinylene) (PPV) polymers. The described synthetic approaches can be divided into four main categories: polymerization of quinodimethane intermediates, metathesis polymerization, nucleophilic polycondensation, and palladium‐c…

Organic Electronics and PhotovoltaicsConducting polymers and applicationsSynthetic Organic Chemistry Methods

Ferroelectric switching in epitaxial GeTe films

Alexander V. Kolobov、D. J. Kim、A. Giussani 等 7 位作者2014-06-01APL Materials

In this paper, using a resonance-enhanced piezoresponse force microscopy approach supported by density functional theory computer simulations, we have demonstrated the ferroelectric switching in epitaxial GeTe films. It has been shown that in films with thickness on the order of several nanometers reversible reorienta…

Liquid Crystal Research AdvancementsTransition Metal Oxide NanomaterialsPhase-change materials and chalcogenides

Decomposition characteristics of SF6 under thermal fault for temperatures below 400°C

Fuping Zeng、Ju Tang、Qingtao Fan 等 7 位作者2014-06-01IEEE Transactions on Dielectrics and Electrical Insulation

This paper aims to explore the decomposition characteristics of SF6 under thermal fault, which can further improve the method of using SF6 decomposed components to diagnose inner insulation status of SF6 insulated equipment. Hence, the thermal fault simulation system of SF6 electrical equipment is designed and serials…

High voltage insulation and dielectric phenomenaPower Transformer Diagnostics and InsulationVacuum and Plasma Arcs

Presentation matters: Identity of gold nanocluster capping agent governs intracellular uptake and cell metabolism

Chor Yong Tay、Yong Yu、Magdiel Inggrid Setyawati 等 5 位作者2014-06-01Nano Research

Au nanoclusters (AuNCs) hold tremendous potential to be employed in a wide variety of biological applications. Despite the rapid development in the field of NCs synthesis, a comprehensive understanding of how cells interact with this class of ultra-small nanoparticles (<2 nm) having defined sizes and surface chemistry…

Trace Elements in HealthNanocluster Synthesis and ApplicationsAdvanced Nanomaterials in Catalysis

Silver-Doped Zirconia Nanoparticles as Possible Bactericide in Water Filters

Ermerson Ney Leite Rodrigues、Edson Jansen Pedrosa de Miranda、Mauro Macêdo de Oliveira2014-06-01Materials science forum

The objectives of this study were to produce ZrO2-based nanoparticles doped with silver, using the polymeric precursor method (Pechini), and to verify their bactericidal activity againstEscherichiacoliandStaphylococcusaureus. Zirconium and silver oxides were chosen due to their bactericidal activity. The oxides were c…

TiO2 Photocatalysis and Solar CellsNanoparticles: synthesis and applicationsAdvanced Nanomaterials in Catalysis

Acicular Ferrite in Micro Welding Technologies

Węgrzyn T.、Piwnik J.、Hadryś D.2014-06-01Archives of Metallurgy and Materials

Laser jest szeroko stosowany w mikro-spawaniu. Oprócz tej metody, spawanie z chłodzeniem mikrojetowym powinno być traktowane jako ważna metoda spawania cienkościennych konstrukcji. W artykule przedstawiono innowacyjną technologię spawania z chłodzeniem mikrojetowym w porównaniu do spawania laserowego. Uzyskano informa…

Electrical discharge machining of Al-TiB2 with a low-frequency vibrating tool

Prabu M.、Ramadoss G.、Narendersingh P. 等 5 位作者2014-06-01Science and Engineering of Composite Materials

Aluminum-based composite reinforced materials produced in situ with titanium boride (TiB2) particulates have higher potential for advanced structural applications where high specific strength modulus as well as superior temperature resistance is imperative. In the present work, aluminum alloy-titanium boride composite…

Vibration behavior of a radially functionally graded annular disc with variable geometry

Çallıoğlu Hasan、Demir Ersin、Yılmaz Yasin 等 4 位作者2014-06-01Science and Engineering of Composite Materials

In this study, the free vibration behavior of an annular disc made of functionally graded material (FGM) with variable geometry is investigated. The elasticity modulus, density, and thickness of the disc are assumed to vary through the radial direction according to the power law so that the effects of their indexes on…

Effect Of Cr and V Alloy Additions on the Microstructure and Mechanical Properties of Am60 Magnesium Alloy

C. Rapiejko、B. Pisarek、T. Pacyniak2014-06-01Archives of Metallurgy and Materials

Abstract The paper presents the results of the investigation of the effect of Cr and/or V alloy additions on the microstructure and mechanical properties of the magnesium AM60 alloy. The examinations are performed within the frames of a project aiming at the elaboration of an experimental and industrial technology of…

Magnesium Alloys: Properties and ApplicationsAluminum Alloys Composites PropertiesMaterials Engineering and Processing

Effects of Pressure on the Rate of Tin Evaporation From Liquid Iron

Lipart J.、Łabaj J.、Słowikowski M. 等 4 位作者2014-06-01Archives of Metallurgy and Materials

W prezentowanej pracy dokonano analizy procesu eliminacji cyny z ciekłego stopu żelaza na drodze odparowania w warunkach obniżonego ciśnienia. Eksperymenty realizowano w jednokomorowym indukcyjnym piecu próżniowym V1M 20-50 w temperaturze 1923 K i zakresie ciśnień roboczych od 0.05 do 557 Pa.