Division of Chemical Sciences: Recent submissions
Now showing items 481-500 of 969
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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 ... -
Nanostructurization of Transition Metal Silicides for High Temperature Thermoelectric Materials
(2018-03-06)Transition Metal Silicides (TMS) are well known refractory materials because of their high thermal and structural stability at elevated temperature. In addition TMS materials are known for their moderate thermoelectric ... -
Design, Synthesis and Applications of Novel Thiosugars & Amino Acid Derivatives
(2018-03-03)Glycosidases are carbohydrate processing essential enzymes necessary for the growth and development of all organisms such as intestinal digestion, post-translational processing of glycoproteins and the lysosomal catabolism ... -
Novel 1-D and 2-D Carbon Nanostructures Based Absorbers for Photothermal Applications
(2018-03-02)Solar thermal energy is emerging as an important source of renewable energy for meeting the ever-increasing energy requirements of the world. Solar selective coatings are known to enhance the efficiency of the photo thermal ... -
Interfacing Biomolecules with Nanomaterials for Novel Applications
(2018-03-02)This thesis deals with the research work carried out for the development of novel applications by integrating biomolecules with various nanostructures. The thesis is organized as follows: Chapter 1 reviews the properties ... -
Computational Studies on Interstellar Molecular Species : From Formation to Detection
(2018-03-01)Initiated with the purpose of assigning the Fraunhofer lines in the solar spectrum to atomic transitions in the 18th century, the collaboration between spectroscopists and astrophysicists has remained fruitful, successful ... -
Physicochemical Characterization and Gas Sensing Studies of Cr1-xFexNbO4 and Application of Principal Component Analysis
(2018-03-01)Monitoring the working environment of laboratories and industries for pollutants is of primary concern to ensure the healthiness of working personnel. Semiconducting metal oxides (SMOs) are sensitive to the gas ambience ...