Division of Chemical Sciences: Recent submissions
Now showing items 441-460 of 936
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Rational Synthesis, Stabilization, and Functional Properties of Metal and Intermetallic Nanoparticles
(2018-04-11)The confluence of intriguing size and morphology dependent optical and chemical properties with versatile application in various fields, such as energetic and magnetic makes monometallic nonmaterial of high fundamental ... -
Study of Enantiomeric Discrimination and Enzyme Kinetics using NMR Spectroscopy
(2018-04-06)Obtaining enantio pure drug molecules is a long standing challenge in asymmetric synthesis implying that the identification of enantiomers and the determination of enantiomeric purity from a racemic mixture are of profound ... -
Investigations into the Structural and Physical Properties of Li2O-M2O-2B2O3 (M=Li, Na & K), BaO-TiO2-B2O3 and 2Bi2O3-B2O3 Glass Systems
(2018-04-06)Borate glasses and glass-nano/microcrystal composite fabrication and investigations into their physical properties, have been interesting from their multifunctionalities view point. Certain borate structural units possess ... -
Exploring Structure and Reactions : Computational Studies on Three-Membered Rings, Metal-Boron Multiple Bonds and Biradical Reactions
(2018-04-06)The utility of computational study lies not only in rationalizing a chemical phenomenon but also in its predictive value. Broadly, the scope of my research work includes understanding of the structure and bonding of molecules ... -
Earth Abundant Alternate Energy Materials for Thin Film Photovoltaics
(2018-04-06)Inexhaustible solar energy, which provides a clean, economic and green energy, seems to be an alternative solution, for current and future energy demands. Harvesting solar energy presents a challenge in using eco-friendly, ... -
Organic Fluorine in Crystal Engineering : Consequences on Molecular and Supramolecular Organization
(2018-04-06)The thesis entitled “Organic fluorine in crystal engineering: Consequences on molecular and supramolecular organization” consists of six chapters. The main theme of the thesis is to address the role of substituted fluorine ... -
Synthesis, Structure and Catalytic Properties of Pd2+, Pt2+ and Pt4+ Ion Substituted TiO2
(2018-04-05)After introducing fundamentals of catalysis with noble metal surfaces especially Pt metal for CO oxidation and subsequent developments on nano-crystalline Pt metals supported on oxide supports, an idea of Pt ion in reducible ... -
Understanding the Structure, Bonding and Reactivity of Unsaturated Metallacycles : A Computational Study
(2018-04-05)Stabilization of highly strained organic species and altering normal reactivity norms of organic fragments by transition metals have been a triumphing feat of organometallic chemistry. A variety of saturated and unsaturated ... -
Theoretical Approaches to the Study of Fluctuation Phenomena in Various Polymeric Systems
(2018-04-05)The goal of this thesis has been to throw light on a selection of open problems in chemical and biological physics using the general principles of statistical mechanics. These problems are all broadly concerned with the ... -
Physicochemical, Electrical and Electrochemical Studies on Titanium Carbide-Based Nanostructures
(2018-04-03)Materials for studies related to nanoscience and nanotechnology have gained tremendous attention owing to their unique physical, chemical and electronic properties. Among various anisotropic nanostructures, one dimensional ... -
Homo-and Hetero-Metallic Supramolecular Assemblies : Synthesis, Structures and Characterization
(2018-04-03)The work highlighted in this dissertation comprises of syntheses and characterizations of coordination driven supramolecular compounds. The synthesized complexes are characterized by IR spectroscopy, multinuclear NMR ... -
A Study of Supramolecular Gels and Self Assembly of Novel Bile Acid Conjugates
(2018-04-02)Chapter 1: Functional and Responsive Supramolecular Gels In this chapter ‘supramolecular gels’ derived from small organic molecules with molecular mass of typically less than 2000 daltons are discussed. Representative ... -
Deiodination of Thyroid Hormones by Iodothyronine Deiodinase Mimics
(2018-03-26)Thyroxine is the main secretory hormone of thyroid gland and it is produced in thyroglobulin by thyroid peroxidase/hydrogen peroxide/iodide system. After biosynthesis and secretion of thyroxine, it undergoes multiple ... -
Modulation of Nanostructures in the Solid and Solution States and under an Electron Beam
(2018-03-26)Among various nanomaterials, metal nanoparticles are the widely studied ones because of their pronounced distinct properties arising in the nanometer size regime, which can be tailored easily by tuning predominantly their ... -
Enantiospecific Total Synthesis of Phomopsolide B, Macrosphelides A & E and Total Synthesis & Determination of Absolute Configuration of Synargentolide B
(2018-03-24)Section I of the thesis deals with the enantiospecific total synthesis of phomopsolide B. Phomopsolide B was isolated from a strain of Phomopsis Oblonga. Enantiospecific total synthesis of phomopsolide B was accomplished ... -
Design and Application of Bile-Salt/Lanthanide Based Hydrogels
(2018-03-24)Chapter 1: Introduction to the luminescent properties of lanthanides Luminescence properties of trivalent lanthanides have been explored extensively over the past few decades owing to their unique properties. Lanthanides ... -
Investigations into the Microstructure Dependent Dielectric, Piezoelectric, Ferroelectric and Non-linear Optical Properties of Sr2Bi4Ti5O18 Ceramics
(2018-03-14)Ferroelectric materials are very promising for a variety of applications such as high-permittivity capacitors, ferroelectric memories, pyroelctric sensors, piezoelectric and electrostrictive transducers and electro-optic ... -
Studies on Poly(p-phenylene Vinylene) [PPV] Derivatives : Conjugation Length Control and Nanoparticle Preparation and Utilization
(2018-03-09)The study of conjugated polymers, in particular PPV derivatives, continues to fascinate researchers both from the standpoint of developing new routes to control their structure and photophysical properties; this is also ... -
Studies on Effect of Defect Doping and Additives on Cr2O3 and SnO2 Based Metal Oxide Semiconductor Gas Sensors
(2018-03-09)Metal Oxide (MO)semiconductors are one of the most widely used materials in commercial gas sensor devices. The basic principle of chemoresistive gas sensor operation stems on the high sensitivity of electrical resistance ... -
Studies On the Ring-Opening Reaftions Of Vinylcyclopropanes, Vinylcyclobutanes And Other Snmall-Ring Systems
(2018-03-06)The thesis entitled “Studies on the Ring-opening Reactions of Vinylcyclopropanes, Vinylcyclobutanes, and other Small-ring Systems” is divided into four chapters. Chapter 1: Part A: Bromenium Catalyzed Tandem Ring-openin ...