chemistry IEEE PAPER 2017
Evidence supporting a simplified approach to modeling high-temperature combustionchemistry
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Abstract: Real fuels may contain thousands of hydrocarbon components. This paper examines how nature simplifies the problem. We will discuss the internal structure of the fuel oxidation process at high temperatures. Over a wide range of conditions, large hydrocarbon
Constraints on ocean carbonatechemistryand pCO2 in the Archaean and Palaeoproterozoic
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One of the great problems in the history of Earths climate is how to reconcile evidence for liquid water and habitable climates on early Earth with the Faint Young Sun predicted from stellar evolution models. Possible solutions include a wide range of atmospheric and
Asian Journal of GreenChemistry
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Selective protection and deprotection of carbonyl groups plays a very excellent role in modern organicchemistry . In organic synthesis some useful available reagents are used for protection of aldehydes. 1, 1-diacetate (acylals) are most useful carbonyl protecting group Abstract Mycolic acids are exceptionally long-chain fatty acids that are major and specific lipid components of the cell envelope of members of the Corynebacteriales order, which includes the causative agents of both tuberculosis and leprosy. These acids participate to
Host guestchemistrywith water-soluble gold nanoparticle supraspheres
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The uptake of molecular guests, a hallmark of the supramolecularchemistryof cages and containers, has yet to be documented for soluble assemblies of metal nanoparticles. Here we demonstrate that gold nanoparticle-based supraspheres serve as a host for the
Elastomeric Clay Nanocomposites Prepared by Colloidal Route: Study of Interrelationship of Structure and Physical- ChemistryProperties
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Nanocomposites of styrene butadiene rubber (SBR) and acrylonitrile butadiene rubber (NBR) were synthesized by the colloidal route in the presence of Laponite clay. Nanocomposites were homogeneous at the nanometer scale and showed increased Thechemistryof episodic accretion in embedded objects-2D radiation thermo-chemical models of the post-burst phase
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Abstract Context. Episodic accretion is an important process in the evolution of young stars and their environment. The observed strong luminosity bursts of young stellar objects likely have a long lasting (ie longer than the burst duration) impact on the chemical evolution of
A comparison of twochemistryand aerosol schemes on the regional scale and the resulting impact on radiative properties and liquid-and ice-phase aerosol
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Abstract. The complexity of atmospheric aerosol causes large uncertainties in its parameterization in atmospheric models. In a process-based comparison of two aerosol and chemistryschemes within the regional atmospheric modeling framework COSMO-ART
Impact of Gasoline Octane Rating on Engine Knock using DetailedChemistryand a Quasi-dimensional Stochastic Reactor Model
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Abstract Fuel properties have a major impact on engine knock and therefore need to be considered in detail in spark ignition engine simulations. In our method, the auto-ignition and emissions are calculated based on a new reaction scheme for mixtures of iso-octane, n-
Combustion Kinetics of Conventional and Alternative Jet Fuels using a HybridChemistry(HyChem) Approach
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Abstract: With increasing use of alternative fuels, approaches that can efficiently model their combustionchemistryare essential to facilitate their utilization. The hybridchemistry (HyChem) method incorporates a basic understanding about the combustionchemistryof
Journal of ApplicableChemistry
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ABSTRACT Spectrophotometric study of Mo (VI) complex with DHBHPO at pH 2.5 in chloroform was performed at room temperature, at 420 nm. Beers law was obeyed up to 46.05 ppm of Mo (VI). Molar absorptivity and Sandells sensitivity were found to be 4.69 X
Materials science:Chemistryand physics happily wed
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2 0 1 7 M acmillan P ublishers L imited, partof S pringer N ature. A llrightsreserved. topological states, which are often beyond both the band-structure picture and the single particle orbitals that underlie the theory. Strongly correlated systems are of great interest
Accelerated (photo) redoxchemistryin continuous-flow microreactors
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Recently, visible light photoredox catalysis has emerged as a new and innovative approach to enable small-molecule activation. This activation mode relies on the use of organometallic complexes,[1] or organic dyes,[2, 3] to absorb photons and to, subsequently, engage in
Journal of ApplicableChemistry
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ABSTRACT A novel condensation method using surface active agent CTAB for synthesizing nanosilica was reported. Effects of CTAB concentration in ethanol and TEOS/NH3 molar ratio were investigated for improving the nanosilica structure. Results showed that the Assessing cloudchemistryand numerical solver techniques
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Abstract Results are reported from the World Meteorological Organizations Fifth International Cloud Modeling Workshop, Case 5, Part 1. The purpose of this simulation was to check numerical solvers of the gas-aqueous chemical system and discuss the effect of
Science Investigation of the AtmosphericChemistrySuite on Exomars TGO
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Studies of the atmosphere and climate of Mars are the main scientific objective of the ExoMars Trace Gas Orbiter (TGO)(Zurek et al., 2011). Following this goal for the joint Roscosmos-ESA configuration of the ExoMars project the AtmosphericChemistrySuite designed, constructed and tested. The EWPCLI exploits the electrical conductivity of water to give indication of water level in a storage tank and ultimately, the automatic control of the
DUAL AXIS SOLAR TRACKER USINGMICROCONTROLLER
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Abstract-Solar energy is more rapidly gaining popular as an important means of increasing renewable energy resources. Our project will include the design and construction of a microcontroller -based solar panel tracking system. Solar tracking receives more energy from
Password Based Door Locking System UsingMicrocontroller
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ABSTRACT The purpose of this project is to provide security at (house, ATM, office etc.) in this system the user will have to register a unique password. The information will be stored in data base. Whenever the right password will be received, the controller will accordingly
IOT based Hazardous Gas Detection System using AVRMicrocontroller
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Abstract Health Safety is a major issue in current era and good safety systems are needed to be implemented in places which are related to work, education and living. This project that we are working on modifies the existing safety model installed in the industrial areas and
Event-DetectionMicrocontrollerusing Interoperation-based Acoustic Surface Sensing for Individualized Things-Human Interaction
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Abstract This paper proposes the Matlab/Simulink interoperation framework to facilitate the touch-based interaction between the things and human. The basic touch detection is based on the surface acoustic sensing method. The atomic touch events are traced into the on-chip
Overview and an Approach to Develop a Four Quadrant Control System for DC Motors without usingMicrocontroller
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Abstract: In this paper, we proposed an approach to designed a four quadrant control system for a DC motor without usingMicrocontroller . The four quadrants of operation of DC motor are clockwise, counter clock-wise, forward brake and reverse brake. After a brief review
Smart Water Sprinkler System Based on ArduinoMicrocontroller
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Abstract: The system is designed to implement aSmart water sprinkler which is based on ArduinoMicrocontroller. Today whole world is facing scarcity of water including India. In irrigation the water requirement is large and in the process lot of water is wasted too. In
MICROCONTROLLERBASED AUTOMATIC PLANT IRRIGATION SYSTEM
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Abstract-The main aim of this paper is to provide information about automatic irrigation to the plants which helps in saving money and water. The entire system is controlled using ATMEGA 328microcontrollerwhich is giving the interrupt signal to the motor. Temperature
Simulation and Experimental Validation of Common Mode Voltage in Induction Motor driven by Inverter using ArduinoMicrocontroller
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Abstract-Generally the Induction Motor is known to be a constant speed motor. It is the prime power drive in industrial Applications. But due to the progress in engineering technology the speed of the Induction Motor can be varied within certain limitations. There are many
Sensors Data Acquisition Systemusing ARMMicrocontroller
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Abstract The proposed design is of data acquisition from different sensors processing them for specific means, taking control action based on these data. There aresensors used like GPS for localising and navigational purpose, Temperature sensor for detecting the THIS MODULE PRESENTS A MULTIDISCIPLINARY INTRODUCTION TO UPSTREAM
MaterialsChemistryCommittee Newsletter IOM3
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The MaterialsChemistryCommittee (MCC) is one of the 22 technical divisions and societies, groups and associations of Institute of Materials, Minerals and Mining (IOM3). Our aim is to provide UK industry and research organisations with consultancy and access to reliable up-
Including real fuelchemistryin Large-Eddy Simulations
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Abstract Large-eddy simulation (LES) is progressively becoming a crucial design tool for the next generation of aeronautical combustion chambers. However, further improvements of the capability of LES is required for predicting pollutant emissions. Indeed, the detailed
Evaluation of a HybridChemistryApproach for Combustion of Blended Petroleum and Bio-derived Jet Fuels
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Abstract: The hybridchemistrymodeling approach, termed HyChem, was used to explore the combustionchemistryof blended petroleum and bio-derived jet fuels. The pyrolysis products of conventional petroleum derived-fuels, such as Jet A, are dominated by ethylene Books topic Analyticalchemistryplays an important role in the field of cultural heritage, a large number of analytical techniques and methods now being available to define the impacts of environmental contamination, the decay pathways of materials through the Aims and topics The Workshop on progress in trace metal speciation for environmental analyticalchemistryis one of the well-known periodic meetings organized by the members of the International Association of Environmental AnalyticalChemistry(IAEAC). The 15th
Commentary onO3 variability in the troposphere as observed by IASI over 2008 2016: Contribution of atmo-sphericchemistryand dynamicsby Wespes et al
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Abstract Evaluation and attribution of variability and trends in tropospheric ozone requires consideration not only of the spatial distribution of ozone precursor emissions and their changes in time but also of variations in transport at regional and global scales. Satellite
Characterizing AerosolsChemistryin the Great African Ecosystems
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Abstract Within the framework of the IDAF network program (IGAC: International Global AtmosphericChemistry /DEBITS: Deposition of Biogeochemical Important Traces Species/Africa), we present in this paper a study on aerosolchemistryalong the African
Effect of Solution PH on Corrosion Product Layer Formation in a Controlled WaterChemistrySystem
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ABSTRACT The primary objective of this study was to investigate iron carbonate (FeCO3) formation mechanisms on ferritic-pearlitic carbon steel corroding in a CO2 saturated aqueous solution near iron carbonate saturation, with particular emphasis on the effect of
CHEMISTRY BIOLOGY INTERFACE
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Abstract: Reaction of o/p-hydroxyacetophenones with NH4Br-(NH4) 2S2O8 under aqueous grinding conditions, NH4Br-oxone/methanol and Zn-Br2/H2O leads to nuclear bromination with the formation of mono and dibromo derivatives depending upon the amount of the
Divergent Reactivity of 2-Vinylpyridine and 1-Vinylpyrazole in Rhodium-Phosphine Systems: CH Activation and DinuclearChemistry
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Abstract. The RhI-RhIII mixed valence dinuclear complex Rh2-Cl2 (μ-H)(μ-η2, κ2-C, N NC5H4-2-(Z) CH= CH)(PPhMe2) 3 has been prepared by reaction of [Rh (μ-Cl)(η2-coe) 2] 2 with 2-vinylpyridine in the presence of dimethylphenylphosphine as a result of CH activation
Impact of surface ozone interactions on indoor airchemistry : a modelling study
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ABSTRACT An INdoor air Detailed Chemical Model (INDCM) was developed to investigate the impact of ozone reactions with indoor surfaces (including occupants), on indoor air chemistryin simulated apartments subject to ambient air pollution. The results are consistent Interrogating FlowbackChemistryfor Damage Markers in the Eagle Ford
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Summary Water produced during flowback and production operations may be one of the largest sources of untapped knowledge in hydraulic fracturing. This water, once in intimate contact with the reservoir, proppant pack, and tubulars, may contain a fingerprint reflective of
Materials TodayChemistry
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a School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China b National Engineering Research Center for Tissue Restoration and
dependence of bromine activation due to reaction of bromide with ozone in a proxy for organic aerosols and its importance forchemistryin surface snow.
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Tropospheric ozone depletion events (ODEs) via halogen activation are observed in both cold and warm climates [1-3]. Very recently, it was suggested that this multiphase halogen activationchemistrydominates in the tropical and subtropical upper troposphere [4]. These This book contains nine papers presented at the symposium Chemical Technology in Antiquity, held in March 2015 at the 249th National Meeting of the American Chemical Society in Denver. The editor, who organized the conference, states in the Preface that his
Understanding BasicChemistryThrough Problem Solving
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This book is the revised edition of Understanding BasicChemistryThrough Problem Solving published in 2015. It is in a series of UnderstandingChemistrybooks, which deals with BasicChemistryusing the problem solving approach. Written for students taking either the
Computational and TheoreticalChemistry
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Since the discovery of conducting polyacetylene [1], there has been a surge in research of p conjugated systems, particularly concerning the development of high-performing materials through the rational design of the molecular structures. p-conjugated systems allow charge Just two years after Schrödinger proposed in 1926 the (nonrelativistic) quantum mechanical wave equation of electrons, Dirac established in 1928 the relativistic counterpart by first quantizing the special theory of relativity set up by Einstein in 1905. Any difference between Lanthanides and actinides have traditionally been treated as thefootnoteelements in the periodic table. However, the recent past has witnessed increasing interest and efforts in the fundamental and applied research of these unique metal elements, due primarily to the The Power of Light in Hexadehydro-Diels AlderChemistry
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The authors demonstrate the efficient formation of reactive benzyne intermediates through photochemically initiated hexadehydro-Diels Alder (HDDA) cycloisomerization reaction of multi-yne precursors. The reported photochemical transformation occurs at lower
Possibility for an infrared sounder as IASI to document the HCOOHchemistryin biomass burning plumes
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Abstract. Formic acid (HCOOH) concentrations are often underestimated by models and itschemistry is highly uncertain. HCOOH is, however, among the most abundant atmospheric volatile organic compounds and it is potentially responsible for 15 rain acidity in remote areas. HCOOH data
* National Institute for ResearchDevelopment inChemistryand Petrochemistry, Bucharest, Romania, University of Agronomic Sciences and Veterinary
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Photosynthetic organisms have been considered as autotroph, able to produce organic substances from inorganic nutrients based on energy harvested from light. Mixotrophy (ie, the ability to combine autotrophy with metabolization of organic/fixed carbon and/or nitrogen
Role of Low-TemperatureChemistryin Detonation of n-Heptane/Oxygen Mixtures
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Abstract: Numerical simulation of the ZND detonation structure of mixtures of n-heptane, oxygen and diluent detonations was performed with detailedchemistry . Results show that lowtemperaturechemistryis activated behind high Mach number shock waves with Novel materials and technologies for energy production and storage (biofuels and bioenergies, hydrogen, fuel cells, solar cells, lithium-ion batteries etc.) Green chemical engineering processes (process integration, materials diversity, energy saving, waste
Chemistryinspired by synoxazolidinone C: synthesis and biological evaluation of analogs and synthetic progress towards the natural product.
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The first chapter of this thesis begins with an introduction to natural productchemistryand the therapeutic benefits of compounds isolated from nature. No discussion of this topic is complete without an assessment of how natural products have contributed to the drug
Net Community Metabolism and Seawater CarbonateChemistryScale Non-intuitively with Coral Cover. Front
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Ωa, and pCO2 were not significantly different during daytime. To place the results of the mesocosm experiments into a broader context, in situ seawater carbon dioxide (CO2) at three reef sites in Bermuda and Hawaii were also evaluated; reefs with higher coral cover
Bridges between biology andchemistry
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Professor Roald Hoffmann, considered by many (myself included) to be one of the most influential inorganic chemists of the 20th/21st centuries. At 80, I will say he is still going and going and going (from reading his recent publications in various fields ofchemistry ). During Coordinationchemistryand reactivity of iridium pincer hydrides
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Transition metal hydrides constitute an important class of organometallic compounds involved in various stoichiometric and catalytic transformations of organic molecules. The particular type of hydride reactivity is obviously determined by metal nature, its ligand
Reversible multi-electron redoxchemistryof π-conjugated N-containing heteroaromatic molecule-based organic cathodes
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Even though organic molecules with well-designed functional groups can be programmed to have high electron density per unit mass, their poor electrical conductivity and low cycle stability limit their applications in batteries. Here we report a facile synthesis of π-conjugated
Simulation of comprehensivechemistryand atmospheric methane lifetime in the LGM with EMAC
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Past records of atmospheric methane (CH4) abundance/isotope composition may provide a substantial insight on C exchanges in the Earth System (ES). When simulated in the climate models, CH4 helps to identify climate parameters transitions via triggering of its different This chapter is about teachingchemistryas a science subject, and teachingchemistrytopics within more general science courses. Given the very real differences in scientific practices across different disciplines, a school science that does not reflect the major disciplinary differences offers
Materials TodayChemistry
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Ali Eftekhari a, b, * , Hermenegildo Garcia c a The Engineering Research Institute, Ulster University, Newtownabbey BT37 OQB, United Kingdom b School ofChemistryand Chemical Engineering, Queens University Belfast, Stranmillis Road, Belfast BT9 5AG, United Kingdom
Editors Note: Journal of Experimental FoodChemistry(Volume 2, Issue 3)
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Foodchemistryenvisages the major and minor components of food, their physiological, sensory, flavour, nutritional and microbiological aspects. The area of research comprised of bioactive constituents of foods such as phytochemicals, antioxidants and how products Relationship betweenChemistry , Structure and Optics of the Zeolites Erionite and Offretite
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ABSTRACT Erionite and offretite are two zeolite minerals that have several overlapping properties such as composition, near-similar structure, and optics. It is important to be able to differentiate between these two species because erionite has carcinogenetic properties
Chemistry Biology Interface
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Abstract: We herein reported the SAR driven synthesis of 2, 4-Dioxo-thiazolidins with the sulphonamide groups attached to pyrrolidine ring. The anticancer activities of twelve novel thiazolidins were studied for the Human breast MCF-7, colon HCT-15 and Hepatoma Hep- FlowChemistryand Polymer-Supported Pseudoenantiomeric Acylating Agents Enable Parallel Kinetic Resolution of Chiral Saturated N-Heterocycles Nat. Chem.
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Significance: A flow system for parallel kinetic resolution of N-heterocycles by using polymersupported pseudoenantiomeric acylating agents was developed. A racemic mixture of heterocycles 1 was converted into the corresponding enantioenriched amides 4 and 5 in
Computational and TheoreticalChemistry
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It has already been almost four years since the previous special issue of ComputationalTheoretical Chemistrydevoted to clusters [1]. This new special issue of ComputationalTheoreticalChemistry contains 18 contributions devoted to structure prediction of nan- oclusters from global optimization
CHEMISTRY122 01 Chemical Concepts 2
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1. choose the most appropriate laboratory technique to answer a given scientific question; your lab notebook and pre-lab quizzes will be used to assess your progress in reaching this goal. 2. use mathematical models discussed in class to quantitatively evaluate laboratory
CHEMISTRY BIOLOGY INTERFACE
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Abstract: Coumarin moiety is increasingly employed for the construction of artificial neutral receptors and sensors for effectively binding anions of various sizes and geometries. A lions share of these receptors have been documented and developed for the detection of highly Petroleum is a naturally occurring mixture of hydrocarbon and non-hydrocarbon chemical compounds originating in sedimentary rocks predominantly from the thermal alteration of once-living organic matter over time and at elevated pressure. This article concerns the Novel concepts in teaching stress the active role of the student in the acquisition of competence. In this spirit, the Exam Survival Guide: PhysicalChemistrywas developed as a supplemental offer primarily to students, but also to teachers. The book presents more than
Mathematical Studies on StructuralChemistry
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Abstract. The trans-disciplinary advantages of utilizing both mathematical developments and new chemical knowledge in structuralchemistry , where this specific field involves fundamental physical, specifically, quantum physical fetures of molecular structures, are
Department ofChemistryand Macromolecules Innovation Institute, Virginia Tech, Blacksburg, Virginia 24061, United States SC Radzinski, JC Foster and JB
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Polymer chemists have found that attaching polymers onto surfaces, nanoparticles, proteins, and even other polymers can enable a number of applications. By grafting polymers onto various substrates, the interface that separates the substrate from its external environment
Journal of ApplicableChemistry
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ABSTRACT The inhibiting effect of Cialis drug on the corrosion of Zn in 1 M HCl was studied by weight loss (WL), potentiodynamic polarization (PP), electrochemical frequency modulation (EFM) and electrochemical impedance spectroscopy (EIS) techniques. The
Behind theChemistryof Human Activity Affecting the Earths Atmosphere
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BSJ: How did you initially get involved and interested in the field of atmosphericchemistry and planetary science? RC: As a grad student, I was a fundamental physical chemist. I worked on measuring the absorption spectrum of clusters of small molecules, and I had a
Development of New Generation Benzoxazine Thermosets Based on Smart Ortho-BenzoxazineChemistry
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Benzoxazine has become a well-developed thermosetting resin after more than 20 years of research since the first study on polybenzoxazine properties by Ning and Ishida in 1994 [1]. It can be readily synthesized by Mannich condensation from phenol, amine, and On the basis of the reductionist assumption that prevailed during the twentieth century, many people still think thatchemistrydoes not have, and does not even need, a philosophy. In fact, once it is assumed thatchemistryrefers to the same ontological domain as physics, but
CHEMISTRYOF FRUIT WINES
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Winemaking is among the oldest techniques known to civilization and is one of the most commercially prosperous biotechnological processes, even today (Moreno-Arribas and Polo, 2005; Joshi et al., 2011a), involving alcoholic fermentation (Molinos et al., 2016; Joshi, The EMBO biocatalysis conferenceThe biochemistry andchemistryof biocatalysis: from understanding to design
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In this special issue of PEDS papers are published on the theme of biocatalysis, being related to the theme of the biennual EMBO biocatalysis conference, organized on June 2016 at the University of Oulu, Oulu, Finland. This special issue of PEDS, like the conference,
Influence of Chloride on Passive FilmChemistryof 304 Stainless Steel in Sulphuric Acid Solution by Glow Discharge Optical Emission Spectrometry Analysis
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The influence of chloride on passive film formed on 304 stainless steels (SS) in 0.2 MH2so4 solution has been investigated by potentiostatic polarization experiments and glow discharge optical emission spectroscopy (GD-OES) analysis. Chromium was enriched in
OrganicChemistryon Functional Materials for Sustainable Process Engineering
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Zusammenfassung In dieser Doktorarbeit wird die Herstellung von funktionellen Materialien durch Kombinationen von organischen und anorganischen Bauteilen beschrieben. Ziel ist die Erforschung und Entwicklung nachhaltiger Prozesse. Mittels Funktionalisierung von
Physics,chemistryand biology of functional nanostructures III
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Nanoscience and Nanotechnology became the trend of the 21st century, influencing many areas such as electronics, biology, medicine, aerospace, agriculture, and the engineering of novel materials. Recently a new aspect of nanoscience and nanotechnology appeared and
Synthetic Nitrogen-containing Polymers and their Application as Copper Supports in ClickChemistry
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ABSTRACT Two nitrogen-containing polymers were synthesized and used as support for CuSO4 to evaluate their catalytic activity in 1, 3-heterodipolar cycloaddition reactions (1, 3 DC) of benzylazide and ethyl propiolate. Polyvinylimidazole (PVI-DVB) was obtained by
AppliedChemistry
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ABSTRACT Ceria stabilized zirconia toughened alumina (ZTA)/ceria composites for industrial ceramic applications have been studied. Five samples were prepared, ceria was added to ceria stabilized zirconia/alumina composites by various amounts of (0-20 wt.%).
, S.(2013). Ionic liquids-based processing of electrically conducting chitin nanocomposite scaffolds for stem cell growth. GreenChemistry , 15 (5), 1192-1202.
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Abstract In the present study, we have successfully combined the biocompatible properties of chitin with the high electrical conductivity of carbon nanotubes (CNTs) by mixing them using an imidazolium-based ionic liquid as a common solvent/dispersion medium. The CSE PROJECTS