Browsing Division of Chemical Sciences by thesis submitted date"2008"
Now showing items 1-20 of 32
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Antioxidant Activity Of The Anti-Inflammatory Compound Ebselen And Its Analogues : Role Of Nonbonded Interactions
(2010-10-05)Although considered as a poison for long time, the importance of selenium as an essential trace element is now well recognized. In proteins, the redox active selenium moiety is incorportated as selenocysteine (Sec), the ... -
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 ... -
Design And Synthesis Of Novel Soft Composites From Physical Gels And Nanomaterials
(2010-06-03)The present thesis entitled “Design and Synthesis of Novel Soft Composites from Physical Gels and Nanomaterials” deals with soft materials derived from low molecular weight gels and nanomaterials. Chapter 1 gives a ... -
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 ... -
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 ... -
Epitaxial Perovskite Superlattices For Voltage Tunable Device Applications
(2013-10-03)Perovskite based artificial superlattices has recently been extensively investigated due to the immense promise in various device applications. The major applications include non-volatile random access memories, microwave ... -
In Situ Crystallography And Charge Density Analysis Of Phase Transitions In Complex Inorganic Sulfates
(2013-10-03)The thesis entitled “In situ crystallography and charge density analysis of phase transitions in complex inorganic sulfates” consists of six chapters. Structural changes exhibited by ferroic and conducting materials are ... -
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 ... -
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 ... -
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 ... -
Mechanistic And Synthetic Investigations On Carboxylic Anhydrides And Their Analogs
(2011-02-09)This thesis reports diverse synthetic and mechanistic studies in six chapters, as summarized below. Chapter 1. Revised mechanism and improved methodology for the perkin condensation.1 The generally accepted mechanism 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, ... -
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 ... -
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, ... -
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 ... -
Statistical Mechanical Models Of Some Condensed Phase Rate Processes
(2010-09-13)In the thesis work we investigate four problems connected with dynamical processes in condensed medium, using different techniques of equilibrium and non-equilibrium statistical mechanics. Biology is rich in dynamical ... -
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 ... -
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 ... -
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 ... -
Synthesis And Applications Of 1,4-Diketones And Y-Oxobutyramides Derived From Tartaric Acid
(2010-08-25)The thesis entitled “Synthesis and applications of 1,4-diketones and γ-oxobutyramides derived from tartaric acid” is divided into two chapters. Chapter 1: Synthesis of TADDOL analogues by nucleophilic addition reactions ...