WorldCat Identities

Murphy, Catherine J. (Catherine Jones)

Overview
Works: 82 works in 124 publications in 4 languages and 581 library holdings
Genres: Textbooks  Conference papers and proceedings  Laboratory manuals 
Roles: Author of introduction, Author, Editor
Classifications: QD31.2, 540
Publication Timeline
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Most widely held works by Catherine J Murphy
Chemistry : the central science by Theodore L Brown( Book )

19 editions published between 2006 and 2018 in English and held by 194 WorldCat member libraries worldwide

Chemistry: The Central Science has helped millions of students understand and succeed in general chemistry. Its unrivaled problems, scientific accuracy, and clarity are maintained in this new edition, which is the book's biggest revision to date. In the Twelfth Edition, every word and piece of art has been studied for effectiveness. Based on feedback from students like you, this revision reflects the unparalleled expertise of its author team; each chapter has been updated and streamlined to remove any content not proven to increase student comprehension. Joined in this edition by new co-author Patrick Woodward, the book's solid authorship gains a fresh, new perspective yet maintains its unified, consistent voice
Nanoparticles and nanostructured surfaces : novel reporters with biological applications : 24-25 January 2001, San Jose, USA( Book )

14 editions published in 2001 in English and held by 148 WorldCat member libraries worldwide

This proceedings contains papers on the following topics: quantum dots, Metallic nanoparticles and nanowires, nanoparticles for biology, nano- structured oxide surfaces
Complex-shaped metal nanoparticles : bottom-up syntheses and applications by Tapan K Sau( Book )

2 editions published in 2012 in English and held by 43 WorldCat member libraries worldwide

"Recent years have witnessed the development of non-spherical metal nanoparticles with complex morphologies, such as polyhedra, plates, prisms, rods, wires, nanoboxes, nanocages or dumbbells, that offer tremendous potential in materials science, biochemistry and medicine. Covering all important aspects and techniques of preparation and characterization of nanoparticles with controlled morphology and architecture, this book provides a sound overview -- from the basics right up to recent developments. Renowned research scientists from all over the world present our existing knowledge of the field."--Provided by publisher
Química : la ciencia central by Theodore L Brown( Book )

6 editions published between 2009 and 2014 in Spanish and Undetermined and held by 34 WorldCat member libraries worldwide

Química, la ciencia central ha sido el texto líder en química general durante décadas debido a la claridad de su redacción, su exactitud científica y su enfoque actualizado, así como por sus ejercicios sólidos y su consistencia en el nivel de cobertura. La decimosegunda edición es resultado de la revisión más ambiciosa de este libro hasta el momento, y de la incorporación de nuevas ideas sobre cómo ensen̋ar química, sin perder las características relevantes que han distinguido a este libro. Los elementos gráficos se mejoraron para hacer accesible la química mediante la visualización de conceptos. Los disen̋os nuevos en las ilustraciones integran más estrechamente los materiales fotográficos en las figuras que transmiten los principios químicos, en tanto que la nueva sección titulada IMAGINE formula preguntas para contestarse al examinar las figuras. Cuenta asimismo con descripciones de estrategias de resolución de problemas y destaca muchas aplicaciones importantes de la química en la vida cotidiana. Química, la ciencia central ofrece las bases de la química moderna apoyadas en una serie de nuevas metodologías como el uso de Internet y de herramientas web, particularmente de MasteringChemistry®
Chemistry : the central science : a broad perspective by Theodore L Brown( Book )

1 edition published in 2010 in English and held by 33 WorldCat member libraries worldwide

This new edition continues the scientific accuracy, clarity, visuals, innovative pedagogy and problem solving of the original version. It teaches students the concepts and skills they will require without overcomplicating the subject, and with more organic chemistry content it is a one stop source for students. Australian authors
Chemie : studieren kompakt by Theodore L Brown( Book )

2 editions published in 2018 in German and held by 26 WorldCat member libraries worldwide

Diese Einführung in die Allgemeine Chemie ist ein Standardwerk und entspricht in der vorliegenden Ausgabe hervorragend den Bedürfnissen der modernen Lehre. Der Prüfungsstoff wird wissenschaftlich präzise, stilistisch klar und leicht verständlich präsentiert. Zahlreiche Bezüge zum Alltag machen neugierig und zeigen, dass Chemie keine trockene Materie ist. Durch die grafische Aufbereitung des Buches und spannendes Anschauungsmaterial auf der Companion Website wird Chemie greifbar und lebendig. Mit zahlreichen Übungsbeispielen und Strategien zur Problemlösung hilft „Chemie" Ihnen konkret, sich er
Chemistry by Theodore E Brown( )

3 editions published between 2014 and 2018 in English and held by 11 WorldCat member libraries worldwide

For courses in two-semester general chemistry. Accurate, data-driven authorship with expanded interactivity leads to greater student engagement Unrivaled problem sets, notable scientific accuracy and currency, and remarkable clarity have made Chemistry: The Central Science the leading general chemistry text for more than a decade. Trusted, innovative, and calibrated, the text increases conceptual understanding and leads to greater student success in general chemistry by building on the expertise of the dynamic author team of leading researchers and award-winning teachers. Pearson Masteri
Chemie : Prüfungstraining by Theodore L Brown( Book )

1 edition published in 2018 in German and held by 5 WorldCat member libraries worldwide

Chemistry : the central science - 12th Edition by Theodore L Brown( Book )

1 edition published in 2012 in English and held by 4 WorldCat member libraries worldwide

Chemistry : the Central Science by Theodore E Brown( )

1 edition published in 2013 in English and held by 3 WorldCat member libraries worldwide

Trusted, innovative, and calibrated, Chemistry: The Central Science has been the leader in general chemistry for over a decade. The unrivaled problems, scientific accuracy, and clarity that keep Brown/LeMay/Bursten/Murphy/Woodward at the forefront of the discipline have been upheld and are woven seamlessly with each new feature in this edition. The Twelfth Edition is this text's most ambitious revision to date-every word and piece of art has been scrutinized for effectiveness by all five authors. Based on abundant data culled from MasteringChemistry®, this intelligent, data-informed revision
Gold nanorods: Applications in chemical sensing, biological imaging and effects on 3-dimensional tissue culture by Patrick N Sisco( )

1 edition published in 2011 in English and held by 2 WorldCat member libraries worldwide

Gold nanoparticles have attracted great interest in the last decade for applications in biochemical detection, imaging, and therapeutics, due to their useful optoelectronic properties. Interest in this area has recently focused on engineering the surface of the nanoparticles, because of the ease in which the charge, functionality, and reactivity of the surface can be altered. This dissertation will focus on the applications of surface-engineered gold nanoparticles in chemical detection and biomedical imaging, and look at the effects surface modified gold nanorods have on the behavior of cardiac fibroblasts in tissue culture. As an alternative to solution-based techniques in Raman spectroscopy, we have found that a sandwich architecture in which a surface assembled monolayer (SAM) of 4-mercaptobenzoic acid (4-MBA) is sandwiched between a 100 nm thick gold substrate and electrostaticaly immobilized gold nanocubes allows for more reproducible data as well as enhancement factors up to 1013. The sandwich architecture creates a large electromagnetic field in the area where the 4-MBA molecules reside causing the characteristic vibrational modes of 4-MBA to appear. We have also moved out of the realm of chemical sensing and have used our gold nanorods as point sensors to monitor the mechanical properties associated with mechanotransduction. Cell behavior in the presence of nanomaterials is typically explored through simple viability assays, but there is mounting evidence that nanomaterials can have more subtle effects on a variety of cell functions. Numerous studies have documented the cellular uptake and cytotoxicity of gold nanoparticles in different cell types, but very little is known about how nanoparticles affect cellular function. We have shown that gold nanorods in a collagen thin film can be used to measure the local mechanical fields near and between living cells as they assess, adapt, and rearrange their environment. We have also found that gold nanorods in 3-D tissue culture interfere with the cardiac fibroblast-mediated remodeling of a collagen tissue construct. We have found several factors associated with the dose dependent decrease in cell-mediated collagen remodeling including the alteration of fibroblast phenotype, adsorption of cellular proteins needed for cell mediated remodeling, as well as a change in the mechanical properties of the tissue construct. The following chapters will detail the use of our gold nanomaterials as both biochemical and imaging agents, and discuss cell behavior in the presence of surface modified gold nanorods
Molecular engineering of gold nanorod surfaces: towards improved physical properties and understanding nanoparticle-cell interactions by Alaaldin M Alkilany( )

1 edition published in 2011 in English and held by 2 WorldCat member libraries worldwide

Gold nanorods have unique optical properties and various promising applications. Wet chemical synthesis of gold nanorods requires the use of cetyl trimethylammonium bromide (CTAB) as shape-directing surfactant, which form a bilayer on the surfaces of gold nanorods. CTAB bilayer stabilizes the nanorods against aggregation and has the ability to sequester organic molecules from aqueous bulk. CTAB molecules in the bilayer are held via weak hydrophobic forces and thus tend to desorb resulting in nanorods aggregation and toxicity to cultured cells. Herein, three surface-engineering approaches to enhance the colloidal physical stability and biocompatibility of gold nanorods have been examined: 1) electrostatic approach via overcoating with polyelectrolytes; 2) covalent approach via surfactant polymerization; 3) and hydrophobic approach via cholesterol insertion into the bilayer. Layer-by-layer coating has been used to overcoat CTAB-capped nanorods with both negatively and positively charged polyelectrolytes. Compared to CTAB-capped nanorods, polyelectrolyte-coated gold nanorods showed improved stability against aggregation in culture medium and enhanced biocompatibility to cultured cells. The toxicity of CTAB-capped gold nanorod solutions was assigned quantitatively to free CTAB molecules, where gold nanorods themselves were found not toxic. Similar biocompatibility profiles for both cationic and anionic coated-gold nanorods were observed due to spontaneous protein adsorption. In growth media, all examined nanorods were covered with protein corona and thus bear similar negative effective surface charge explaining their similar toxicity profiles.! """!! Our covalent approach to stabilize the surfactant bilayer on the surface of gold nanorods relies on synthesizing a polymerizable version of the CTAB, which we have used to prepare gold nanoparticles (both spheres and rods). Surfactant polymerization on the surface of gold nanoparticles was found to retard surfactant desorption and thus enhance both stability against aggregation and biocombatibility of these nanomaterials. The hydrophobic approach to stabilize the CTAB bilayer on gold nanorods relies on using a bilayer-condensing agent such as cholesterol to increase the total hydrophobic interactions. Cholesterol is known to consist of up to 50% of mammalian cell membrane⁰́₉s total lipids, and thus have important effect on their stability and physical properties. Using cholesterol-rich growth medium, we have prepared gold nanorods with excellent size and shape distribution. The prepared gold nanorods in the presence of cholesterol have a significantly higher surface charge and exhibit superior stability against aggregation compared to the nanorods prepared without cholesterol. In addition to the enhanced aqueous stability and biocompatibility, stabilization the CTAB bilayer on the surface of gold nanorods have allowed for suspension gold nanorods in organic solvents without aggregation. Polyelectrolyte-coated gold nanorods showed remarkable stability in polar organic solvents against aggregation as compared to CTAB-capped nanorods. The suspendability of coated-gold nanorods in polar organic solvents facilitates the incorporation of these nanomaterials into hydrophobic polymers and thus fabrication of thin films that contain uniform gold nanorod dispersions (nanocomposites)
Chemistry : the central science by Theodore L Brown( Book )

1 edition published in 2006 in English and held by 2 WorldCat member libraries worldwide

Synthesis, characterization, and reactivity of volatile compounds for materials applications by Brian J Bellott( )

1 edition published in 2010 in English and held by 2 WorldCat member libraries worldwide

Elemental boron is a highly attractive fuel for propellants and explosives, but in order to increase the rate of energy release during the combustion of boron and make it a more attractive fuel for propellants and explosives, it is advantageous to prepare it in a nanoparticlulate form. Boron nanoparticles were prepared by gas phase pyrolysis of decaborane. The particles are>97 % boron and free of hydrogen as judged by combustion analysis. Typical recovered yields are 40 %. In order to incorporate nanoparticles into larger assemblies and to stabilize them for long term storage under ambient conditions, it is desirable to functionalize their surfaces. Treatment of the boron nanoparticles with a ~6 mol percent benzene solution of XeF2 (a convenient fluorinating agent), yields boron particles whose surfaces are fluoride terminated. Thermogravimetric analyses (TGA) conducted in pure oxygen show that surface fluorination of the boron nanoparticle causes an increase in the onset temperature of oxidation and increases the overall yield of oxidation products. High energy nanomaterials such as nanothermites and Al nanoparticles have been a topic of increasing research for applications as propellants and explosives. It is well known that a strong correlation often exists between the energy density of a nanomaterial and its sensitivity; a related issue is that nanoparticles are strongly driven to agglomerate and densify, owing to their relatively high surface free energies. One approach to addressing these problems is to passivate the nanomaterials by functionalizing their surfaces. In 2005, Higa and co-workers claimed that treatment of aluminum particles with solutions of transition metal acetylacetonate (acac) complexes resulted in the deposition of a uniform coat of the zerovalent transition metal that stabilized the nanoparticle toward oxidation. We find that treatment of aluminum nanoparticles with transition metal acac complexes yields aluminum particles decorated with discrete transition metal nanocrystals and does not result in a core-shell structure. Powder X-ray diffraction and scanning transmission electron microscopy (STEM) analysis of the particles reveals the nanocrystals vary in size depending on the transition metal. For platinum a narrow size distribution of small nanocrystals (1-3 nm) decorate the surface of the aluminum particles whereas for gold a broad size distribution of nanocrystals (2-70 nm) decorate the surface. In order to explore the preparation of new types of copper alkene complexes for CVD and ALD applications, we have investigated the structures and metal-alkene binding studies of copper(I) triflate of three chelating tri-alkenes: the cis, cis, trans (cct), cis, trans, trans (ctt), and trans, trans, trans (ttt) isomers of 1,5,9-cyclododecatriene (cdt). The X-ray crystal structures show that, in all three compounds, the triflate ligand and all three C=C double bonds of the triene are bound to the copper center, which adopts a distorted tetrahedral coordination geometry. Competitive binding studies in toluene show that free energy of the copper ctt complex is lowest, and that the free energies of the ttt and cct isomers are higher by 0.3 and 3.7 ± 0.1 kcal mol-1, respectively. For the ttt and cct isomers, binding to the metal is attended by conformational changes that increase the conformational energy of the ring; this increase is a penalty that destabilizes the resulting copper complexes relative to that of the ctt isomer
Photoluminescence as a probe of coordination chemistry at the semiconductor-solution interface by Catherine J Murphy( )

2 editions published in 1990 in English and held by 2 WorldCat member libraries worldwide

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2 editions published between 2011 and 2015 in Korean and held by 2 WorldCat member libraries worldwide

Synthesis and structural stability of metal-organic frameworks by Tianjiao Wu( )

1 edition published in 2011 in English and held by 2 WorldCat member libraries worldwide

Metal-organic frameworks (MOFs) have attracted significant attention during the past decade due to their high porosity, tunable structures, and controllable surface functionalities. Therefore many applications have been proposed for MOFs. All of them however are still in their infancy stage and have not yet been brought into the market place. In this thesis, the background of the MOF area is first briefly introduced. The main components and the motifs of designing MOFs are summarized, followed by their synthesis and postsynthetic modification methods. Several promising application areas of MOFs including gas storage and separation, catalysis and sensing are reviewed. The current status of commercialization of MOFs as new chemical products is also summarized. Examples of the design and synthesis of two new MOF structures Eu(4,4⁰́ø,4⁰́ø⁰́ø,4⁰́ø⁰́ø⁰́ø-(porphine-5,10,15,20-tetrayl)tetrakis(benzoic acid))·2H2O⁸́₉xDMF and Zn4O(azobenzene-4,4⁰́₉-dicarboxylic acid)3⁸́₉xNMP are described. The first one contains free-base porphyrin centers and the second one has azobenzene components. Although the structures were synthesized as designed, unfortunately they did not possess the expected properties. The research idea to use MOFs as template materials to synthesize porous polymers is introduced. Several methods are discussed to grow PMMA into IRMOF-1 (Zn4O(benzene-1,4-dicarboxylate)3, IR stands for isoreticular) structure. High concentration of the monomers resulted in PMMA shell after MOF digestion while with low concentration of monomers no PMMA was left after digestion due to the small iii molecular weight. During the study of this chapter, Kitagawa and co-workers published several papers on the same topic, so this part of the research was terminated thereafter. Many MOFs are reported to be unstable in air due to the water molecules in air which greatly limited their applications. By incorporating a number of water repelling functional groups such as trifluoromethoxy group and methyl groups in the frameworks, the water stability of MOFs are shown to be significantly enhanced. Several MOFs inculding Banasorb-22 (Zn4O(2-trifluoromethoxybenzene-1,4-dicarboxylate)3), Banasorb-24 (Zn4O(2, 5-dimethylbenzene-1,4-dicarboxylate)3) and Banasorb-30 (Zn4O(2-methylbenzene-1,4-dicarboxylate)3) were synthesized and proved to have isostructures with IRMOF-1. Banasorb-22 was stable in boiling water steam for one week and Banasorb-30⁰́₉s shelf life was over 10 months under ambient condition. For comparison, IRMOF-1⁰́₉s structure collapses in air after a few hours to several days. Although MOF is a very popular research area nowadays, only a few studies have been reported on the mechanical properties of MOFs. Many of MOF⁰́₉s applications involve high pressure conditions, so it is important to understand the behavior of MOFs under elivated pressures. The mechanical properties of IRMOF-1 and a new MOF structure Eu2(C12N2O4H6)3(DEF)0.87(H2O)2.13 were studied using diamond anvil cells at Advanced Photon Source. IRMOF-1 experienced an irriversible phase transtion to a nonporous phase followed by amorphization under high pressure. Eu2(C12N2O4H6)3(DEF)0.87(H2O)2.13 showed reversible compression under pressure up to 9.08GPa
Ultrasound-assisted synthesis and processing of carbon materials by Maria E Fortunato( )

1 edition published in 2011 in English and held by 2 WorldCat member libraries worldwide

Part I: Porous carbons are of interest in many applications because of their high surface areas and other physicochemical properties, and much effort has been directed towards developing new methods for controlling the porosity of carbons. Ultrasonic spray pyrolysis (USP) is an aerosol method suitable for large-scale, continuous synthesis of materials. Ultrasound is used to create aerosol droplets of a precursor solution which serve as micron-sized spherical reactors for materials synthesis. This work presents a precursor system for the template-free USP synthesis of porous carbons using low-cost precursors that do not evolve or require hazardous chemicals: sucrose was used as the carbon source, and sodium carbonate, sodium bicarbonate, or sodium nitrate was added as a decomposition catalyst and porogen. The USP carbons had macroporous interiors and microporous shells with surface areas as high as 800 m2/g and a narrow pore size distribution. It was determined that the interior porosity was a result of the gas evolution from salt decomposition and not from the presence of a salt template. Porous carbon is frequently used as a catalyst support because it provides high surface area and it is chemically and physically stable under many anoxic reaction conditions. Typically, the preparation of supported catalysts requires multiple steps for carbonization and metal impregnation. In this work, iron-impregnated porous carbon microspheres (Fe-C) were prepared by a one-step USP process by incorporating both the carbon and metal sources into the precursor solution. Carbonization, pore formation, metal impregnation, and metal activation occurred simultaneously to produce Fe-C materials with surface areas as high as 800 m2/g and up to 10 wt% Fe incorporated as nanoparticles <20 nm in diameter. Fe-C was used as a catalyst to reduce aqueous hexavalent chromium, which demonstrated the accessibility of the iron nanoparticles despite the fact that they are likely encapsulated in the porous carbon support. Part II: The effects of high intensity ultrasound arise from acoustic cavitation: the formation, growth, and collapse of bubbles in a liquid. Bubble collapse produces intense localized heating (~5000 K), high pressures (~300 atm), and enormous heating and cooling rates (>109 K/sec). In solid-liquid slurries, surface erosion and particle fracture occur due to the shockwaves and microjets formed from asymmetric bubble collapse at extended surfaces. The chemical and physical effects of ultrasound have been studied as an adjunct to the traditional chemical pretreatment of lignocellulosic biomass for ethanol production. Lignocellulosic biomass consists of cellulose, hemicellulose, and lignin. The surface effects of ultrasound were used in this work to increase the accessibility of the cellulose, which can be converted to glucose and then fermented into ethanol. The lignocellulosic biomass used in this work was Miscanthus x giganteus (Mxg) which was grown at the University of Illinois at Urbana-Champaign. The chemical effects of NaOH pretreatment on Mxg were enhanced by ultrasound: greater delignification and a significant increase in the amount of pores>5 nm were observed. ~ 70% of the theoretical glucose yield was obtained by enzymatic saccharification of the ultrasound-assisted NaOH-pretreated Mxg; this is comparable to the yields that can be obtained by traditional alkaline pretreatments, but it was achieved in a shorter time and at a lower temperature. Because the apparatus used for laboratory studies is not a likely device for scale-up, the economics of ultrasound with regards to energy balance are not yet resolved
Chemical and physical effects of ultrasound: sonoluminescence and materials by Hangxun Xu( )

1 edition published in 2011 in English and held by 2 WorldCat member libraries worldwide

When a liquid is irradiated with ultrasound, acoustic cavitation (the formation, growth, and implosive collapse of bubbles in liquids irradiated with ultrasound) generally occurs. This is the phenomenon responsible for the driving of chemical reactions (sonochemistry) and the emission of light (sonoluminescence). The implosive collapse of bubbles in liquids results in an enormous concentration of sound energy into compressional heating of the bubble contents. Therefore, extreme chemical and physical conditions are generated during cavitation. The study of multibubble sonoluminescence (MBSL) and single-bubble sonoluminescence (SBSL) in exotic liquids such as sulfuric acid (H2SO4) and phosphoric acid (H3PO4) leads to useful information regarding the intracavity conditions during bubble collapse. Distinct sonoluminescing bubble populations were observed from the intense orange and blue-white emissions by doping H2SO4 and H3PO4 with sodium salts, which provides the first experimental evidence for the injected droplet model over the heated-shell model for cavitation. Effective emission temperatures measured based on excited OH⁰́Ø and PO⁰́Ø emission indicate that there is a temperature inhomogeneity during MBSL in 85% H3PO4. The formation of a temperature inhomogeneity is due to the existence of different cavitating bubble populations: asymmetric collapsing bubbles contain liquid droplets and spherical collapsing bubbles do not contain liquid droplets. Strong molecular emission from SBSL in 65% H3PO4 have been obtained and used as a spectroscopic probe to determine the cavitation temperatures. It is found that the intracavity temperatures are dependent on the applied acoustic pressures and the thermal conductivities of the dissolved noble gases. The chemical and physical effects of ultrasound can be used for materials synthesis. Highly reactive species, including HO2⁰́Ø, H⁰́Ø, and OH⁰́Ø (or R⁰́Ø after additives react with OH⁰́Ø), are formed during aqueous sonolysis as a consequence of the chemical effects of ultrasound. Reductive species can be applied to synthesis of water-soluble fluorescent silver nanoclusters in the presence of a suitable stabilizer or capping agent. The optical and fluorescent properties of the Ag nanoclusters can be easily controlled by the synthetic conditions such as the sonication time, the stoichiometry of the carboxylate groups to Ag+, and the polymer molecular weight. The chemical and physical effects of ultrasound can be combined to prepare polymer functionalized graphenes from graphites and a reactive solvent, styrene. The physical effects of ultrasound are used to exfoliate graphites to graphenes while the chemical effects of ultrasound are used to induce the polymerization of styrene which can then functionalize graphene sheets via radical coupling. The prepared polymer functionalized graphenes are highly stable in common organic solvents like THF, CHCl3, and DMF. Ultrasonic spray pyrolysis (USP) is used to prepare porous carbon spheres using energetic alkali propiolates as the carbon precursors. In this synthesis, metal salts are generated in situ, introducing porous structures into the carbon spheres. When different alkali salts or their mixtures are used as the precursor, carbon spheres with different morphologies and structures are obtained. The different precursor decomposition pathways are responsible for the observed structural difference. Such prepared carbon materials have high surface area and are thermally stable, making them potentially useful for catalytic supports, adsorbents, or for other applications by integrating other functional materials into their pores
The heterogeneous biochemical modification of porous collagen scaffolds for tissue engineering applications by Aurora Turgeon( )

1 edition published in 2015 in English and held by 1 WorldCat member library worldwide

 
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Chemistry : the central science : a broad perspective
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Chemistry : the central science : a broad perspectiveChemistry : the central science - 12th EditionChemistry : the central science
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Murphy, Catherine Jones

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