Division of Chemical Sciences: Recent submissions
Now showing items 861-880 of 969
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Investigations On Size Dependence Of Diffusivity In Condensed Media
(2010-08-24)Diffusion plays an important role in a number of processes like heterogeneous catalysis, corrosion, separation and purification of chemicals of industrial importance, steel hardening, fuel cells, and solid electrolytes for ... -
Modelling Stochasticity In Selected Biological Processes
(2010-08-16)Biological processes at the cellular level take place in heterogeneous environments, and usually involve only a small number of molecules. They tend to exhibit strong time dependent fluctuations, as a result, and are, ... -
Theoretical Investigations Of Structure, Energy And Properties Of A Few Inorganic Compounds
(2010-08-11)This thesis reports the theoretical investigations aimed at understanding the structure, stability and properties of a few inorganic compounds. The first chapter presents an introductory overview of the theories used to ... -
Probing The Origin Of Second Harmonic Generation From Copper Nanoparticles In Solution By Hyper-Rayleigh Scattering
(2010-08-09)In recent years, coinage metal nanoparticles have emerged as materials with largest quadratic optical nonlinearity. Their first hyperpolarizabilities (β) are very high (105-106 x 10-30 esu) but such large values were quite ... -
Steroselective Synthesis Of Bio-Active Styryllactones
(2010-08-06)The thesis titled “Stereoselective synthesis of bio-active styryllactones” comprises an introduction about styryllactones and three sections delineating the results and discussion about the synthesis of styryllactones and ... -
Spectral Simplification In Scalar And Dipolar Coupled Spins Using Multiple Quantum NMR : Developments Of Novel Methodologies
(2010-07-28)Spin selective MQ-SQ correlation has been demonstrated by either selective pulses in homo-nuclear spin systems in isotropic and weakly orienting chiral media or by nonselective pulses in hetero-nuclear spin systems in ... -
Studies On Polymer Hydrogel Electrolytes For Application In Electrochemical Capacitors And Direct Borohydride Fuel Cells
(2010-07-26)In recent years, electrochemical capacitors have emerged as devices with the potential to enable major advances in electrical energy storage. Electrochemical capacitors (ECs) are akin to conventional capacitors but employ ... -
Investigation Of Electronic Structure Of Transition Metal Oxides Exhibiting Metal-insulator Transitions And Related Phenomena
(2010-07-26)Transition metal oxides have proven to be a fertile research area for condensed matter physicists due to the fascinating array of superconducting, magnetic and electronic properties they exhibit. A particular resurgence ... -
Understanding The Growth And Properties Of Functional Inorganic Nanostructures : An Interfacial Approach
(2010-07-23)Surfaces and interfaces are of fundamental importance from the nucleation to growth of crystals formed under different conditions such as vapor phase, liquid phase including biomineralisation conditions. Recently there is ... -
Enantioselective Total Synthesis Of Bioactive Epoxyquinoid Natural Products
(2010-07-23)Total synthesis of natural products with diverse architecture and varying degree of complexity is an area that has not only inspired and attracted several generations of organic chemists but also continues to enrich and ... -
Synthesis And Studies Of Perovskite Nanostructures
(2010-07-23)The group of materials with ABO3 type perovskite structure are very important due to their attractive electrical and magnetic properties for technological applications and have been studied in the form of single crystals, ... -
Chiral Bisphosphinites For Asymmetric Catalysis
(2010-07-21)Chiral bisphosphinites are well-documented alternatives for chiral bisphosphines as ligands that can be exploited in various asymmpetric syntheses. Particularly, vicinal biarylphophinite ligands give a seven membered chelate ... -
Vapour Pressure Studies Of Precursors And Atomic Layer Deposition Of Titanium Oxides
(2010-07-16)This thesis describes the deposition of thin films of titanium oxide and Magnéli phases of titanium oxide by atomic layer deposition (ALD) using a novel β-ketoesterate precursor. Titanium oxide is a promising candidate for ... -
Towards The Total Synthesis Of Polycyclic Polyprenylated Acyl Phloroglucin (PPAP) Natural Products : Garsubellin A And Hyperforin
(2010-07-16)Organic synthesis has a rich history, ever since Friedrich Wohler’s synthesis of urea from ammonium cyanate in 1828 that gave birth to this important discipline of science. While organic synthesis has found many application ... -
Mapping The Reaction Coordinate For The Oxidative Addition Of Molecular Hydrogen To A Metal Center
(2010-07-15)The binding of molecular hydrogen to a metal center leads to the elongation of the H−H bond and subsequently to its cleavage along the reaction coordinate for the oxidative addition of H2. There has been considerable ... -
Synthesis Of 2-Deoxy-1-Thioglycosides And Establishing Their Efficient Glycosyl Donor Properties To Prepare Aryl 2-Deoxy Glycosides And 2-Deoxy Oligosaccharides
(2010-07-08)Carbohydrates are a family of polyfunctional natural products and can be chemically modified in numerous ways. The primary significance of carbohydrates rests in their importance in biological functions. A particular class ... -
Synthesis, Physicochemical Studies And Gelation Properties Of Novel Bile Acid Derivatives
(2010-07-01)Chapter 1. An Overview of Bile Acid Science This chapter deals with an overview of bile acid science (cholanology) compiling elevant literature review, covering bile acid chemistry, biosynthesis, bile salt evolution, ... -
Structure And Dynamics Of Constrained Water : Microscopic Study Of Macromolecular Hydration Using Computer Simulations
(2010-06-04)The thesis, which contains nine chapters, reports extensive large scale atomistic molecular dynamics (MD) simulation studies of water structure and dynamics at the surface of an anionic micelle, hydration layer of two ... -
Quadratic Optical Nonlinearity And Geometry Of 1:1 Electron Donor Acceptor Complexes In Solution
(2010-06-04)The knowledge of geometry of molecular complexes formed via molecular association in solution through weak interactions is always important to understand the origin of stability and function of an array of molecules, ... -
Doping And photophysical Properties Of II-VI Semiconductor Nanocrystals
(2010-06-03)Semiconductor nanocrystals with sizes comparable to the corresponding bulk excitonic diameter exhibit unique size-dependent electronic and optical properties resulting from quantum confinement effect. Such nanocrystals not ...