etd AT Indian Institute of Science: Recent submissions
Now showing items 2821-2840 of 6965
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Exploration of the Recombination Repair Pathway in Mycobacteria : Identification and Characterization of New Proteins
Genomic integrity is a fundamental requisite for survival and proliferation of all organisms. The genetic material is continuously threatened by a multitude of extrinsic and intrinsic factors. Consequently, the presence ... -
Nano-Scale Design, Fabrication, and Performance Evaluation of Organic Photovoltaic Devices
Organic photovoltaic devices have evinced interest due to the prospects of integrating strongly absorbing semiconducting polymers in flexible, light weight device platforms with ease of fabrication. However, there are ... -
Electrical and Non-linear Optical Properties of LiTa(Nb)O3 Nanostructures Evolved in Borate Glass Matrices
The design, fabrication and application of materials that are of dimension(s) in the nanoscale form the basis of nanotechnology. Nanotechnology thrives owing to the anomalous, unique or even at times, extraordinary physical ... -
Tailored Xylitol-based Biodegradable Polymers for Tissue Engineering and Drug Delivery
Tissue regeneration is an intricate physiological phenomenon that involves the interplay of various factors to restore tissue formation and function. Diseased or damaged tissues have often been replaced with synthetic ... -
Testing Methodologies for Probing Site Specific Fatigue Response of Graded Coatings
Thermal barrier coating systems (TBC’s) employed in the high pressure turbine section of a modern aero-turbine engine serve as an example of constrained material systems used for engineering applications. TBC’s today are ... -
Planar Fault Energies in L12 Compounds
High temperature metallic structural materials, such as Ni-base superalloys owe their strength to a two-phase microstructure consisting of an fcc matrix strengthened by intermetallic A3B type precipitates. The performance ... -
Atomistic Simulation of Grain Boundary Effects on Cascade Damage in Vanadium
Advancements in fusion reactor technology has led to the construction of ITER and the realisation of fusion energy is closer than ever before. However, realisation of fusion energy critically depends upon breakthrough in ... -
Retrieval of Land Surface Variables using Microwave Remote Sensing
Microwave remote sensing of the land surface processes has advantages over optical remote sensing such as least attenuation due to the atmosphere, and high temporal resolution among others. Soil moisture is an important ... -
Experiments on Varying Intensity Air Blasts in Shock Tubes
Abstract In the recent past, with an increasing number of terrorist activities, blast related research has focused on conducting careful experiments to develop newer protection strategies. As field experiments using ... -
FEM Based Stochastic Analysis of Tolerance in Electromagnetic Periodic Structures
Solution of Maxwell's equations is required to model and analyse electromagnetic behaviour of circuits, components and systems. These equations being partial differ finial equations of vector field quantities with spatial ... -
Structural Bioinformatics of Ligand Recognition in Proteins : A large-scale Analysis and Applications in Drug Discovery
Biological processes are governed by highly specific macromolecular interactions. Understanding the precise mechanism of ligand recognition in proteins is essential for deriving features responsible for such recognition ... -
Physiological Role of Arr, an ADP-ribosyltransferase in Mycobacterium smegmatis
The studies reported in this thesis address the physiological role of an antibiotic resistance gene arr, followed by establishment of the arr knockout strains (generated during the investigation) for drug testing and ... -
Wideband Rate Adaptation and Scheduling in OFDM Cellular Systems : Modeling, Analysis, and Base Station Side Estimation
Current and next generation wireless cellular systems strive to maximize spectral efficiency and meet the increasing demand for higher data rates despite being severely constrained by the limited availability of spectrum. ... -
Regulation of Host Innate Immune Responses by Hippo Signaling Pathway during Pattern Recognition Receptors (PRRs) Driven Inflammation : Implication for Host-Pathogen Interactions
Innate immunity refers to the first line of defence system of the host that comes into play immediately or within hours of appearance of invading pathogens like bacteria, viruses and fungi. Cells of the innate immune system ... -
An Accelerator for Machine Learning Based Classifiers
Artificial Neural Networks (ANNs) are algorithmic techniques that simulate biological neural systems. Typical realization of ANNs are software solutions using High Level Languages (HLLs) such as C, C++, etc. Such solutions ... -
Evolution of Microstructure and Texture in Manganese Steels
Twinning Induced Plasticity (TWIP) and Transformation Induced Plasticity (TRIP) steels possess excellent combination of high strength and high ductility. Deformation twinning and strain induced martensitic phase transformation ... -
Development of Novel Heat Transfer Gauges Based on Large Carbon Clusters to Measure Total as well as Radiative Heat Flux for Planetary Entry Configurations in Hypersonic Shock Tunnels
The quest of travelling beyond earth, preludes with ground based experimental studies, detailed analysis and accurate calculations in the aspects of having a safer design of flying vehicles. As the vehicles plunge into the ... -
Coupled Optical and Electrochemical Properties of ZnCo2O4 for Radiation Sensitive Supercapacitor : An Approach Towards Self-powered Photosensitive Energy Storage
Recently, the fields of energy conversion and storage have drawn great interests in the research community due to the wide range of practical applications in the society. Among them, photodetector (PD) and supercapacitor ... -
Analytic Models, Dilations, Wandering Subspaces and Inner Functions
This thesis concerns dilation theory, analytic models, joint invariant subspaces, reproducing kernelHilbert spaces and multipliers associated to commuting tuples of bounded linear operators on Hilbert spaces. The main ... -
Dynamic Flow Rules in Continuum Visco-plasticity and Damage Models for Poly-crystalline Solids
Modelling highly non-linear, strongly temperature- and rate-dependent visco-plastic behaviour of poly-crystalline solids (e.g., metals and metallic alloys) is one of the most challenging topics of contemporary research ...