Browsing Division of Chemical Sciences by Title

Anomalous Diffusion in a Rearranging Medium Diffusing Diffusivity Models

Jain, Rohit

Diffusion processes, because of their applications to a wide range of phenomena, have been a subject of great scientific interest ever since Einstein formulated the celebrated theory of Brownian motion. Brownian motion is ...

Antioxidant Activity Of The Anti-Inflammatory Compound Ebselen And Its Analogues : Role Of Nonbonded Interactions

Sarma, Bani Kanta (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 ...

Applications Of Multiple Quantum Methods In NMR For Determination Of Dipolar Couplings And Chiral Discrimination

Hebbar, Sankeerth (2013-02-20)

This thesis is about excitation, detection, properties and applications of multiple quantum coherences applied to different dipolar coupled spin systems. Major focus of the work is on spectral simplification, measurement ...

Aqueous and Non- aqueous dispersions of MoS2 Nanosheets

Gupta, Amit

The focus of this thesis is an attempt to provide a molecular perspective of the interactions of solvent and ligand molecules with sonication assisted exfoliated MoS2 nanosheets in aqueous and non-aqueous dispersions. In ...

Aqueous and Non-aqueous Dispersions of Graphene and Boron Nitride Nanosheets : NMR Measurements and Molecular Dynamics Simulations

Arunachalam, Vaishali

Preface Ever since the discovery of graphene in 2004, there has been considerable interest in two dimensional (2D) nanomaterials due to their distinctive properties and the prospect of potential applications. A ...

Aqueous Binary Mixtures: A Study Using NMR Measurements and ab initio Molecular Dynamics Simulations

Ghanghas, Ritu

Binary mixtures having a combination of hydrophobic and hydrophilic groups, such as waterdimethyl sulfoxide (DMSO), water-methanol, water-ethanol, water-tertiary butyl alcohol (TBA), water dioxane, and water-glycerol, ...

Aqueous Dispersions of Graphene Oxide, Reduced Graphene Oxide and Functionalized Graphene Oxide

Konkena, Bharathi (2018-01-29)

Graphene sheets, one atom thick, two dimensional layers of carbon atoms, have gained enormous importance over the past few years due to their unique attributes - high electronic, thermal conductivities and exceptional ...

An Architectural Exploration in Coordination Driven Self-Assembly & Fluorescent Imidazolium Salts as Picric Acid Receptors

Roy, Bijan (2017-10-11)

Nature has always remained a constant source of inspiration for chemists for synthesizing natural products, mimicking enzymatic reactions or to construct molecular architectures resembling biological assemblies. With the ...

Aspects Of The Chemistry Of Iron Complexes Showing DNA Photo-cleavage Activity

Roy, Mithun (2010-12-30)

The present thesis deals with different aspects of the chemistry of iron complexes, their interaction with DNA and photo-induced cleavage of double-stranded DNA. Chapter I presents a general introduction on metal-based ...

Aspects Of The Chemistry Of Oxovanadiulm(IV) Complexes Showing Photo-Induced Cytotoxicity And DNA Cleavage Activity

Sasmal, Pijus Kumar (2011-07-08)

The present thesis deals with different aspects of the chemistry of oxovanadium(IV) complexes, their interaction with DNA and protein and photo-induced DNA and protein cleavage activity and photocytotoxicity. Chapter I ...

Asymmetric Synthesis of Amino Acid Derivatives and Total Synthesis of Biologically Active Natural Products

Kesavulu, Gangarajulu

The thesis describes the development of synthetic method for the synthesis of -amino acid esters, amides, thioesters using Ellman sulfinimines. The procedure developed was further utilized in the synthesis of di and tri ...

Asymmetric Synthesis Of Troger's Base Analogues And Studies In Molecular Recognition

Bag, Braja Gopal (Indian Institute of Science, 2005-04-25)

Troger's base was the first amine to be resolved where the chirality was due to solely very high inversion barrier around nitrogen atom. Though the molecule was known for over a century, work done during the past decade ...

Atto-second Dynamics in Molecular Systems

Mukherjee, Deep

The thesis describes the attosecond dynamics of small molecular systems, focusing on ionization delay times and hole migration delay times. These time delays are some of the fastest events in electronic dynamics. When an ...

B, N containing π- conjugated systems: room temperature phosphorescence, fullerene complexation, and cell differentiation

Nandi, Rajendra Prasad

Advances in heteroatom (B, N, and B-N) incorporated π-conjugated systems have attracted considerable attention because of their desirable properties and widespread applications. Substitution of isoelectronic B–N units for ...