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Adsorption, Aggregation and Structure Formation in Systems of Charged Particles
This thesis presents studies on the interaction of soft materials like surfactants and proteins with hard silica nanomaterials. Due to its interdisciplinary nature it combines concepts from the fields of physical chemistry, nanoscience and materials science, yielding to fundamental insights into the structure-directing forces operating at the nano-scale. It is shown that the morphology of surfactant micellar aggregates adsorbed at the surface of nanoparticles and inside tubular nanopores can be tuned on demand by the co-adsorption of a surface modifier. The interaction of globular proteins with silica nanoparticles is dominated by electrostatic interactions and can be controlled by pH and ionic strength, while the bridging of nanoparticles by adsorbed protein molecules leads to large-scale hybrid aggregates of protein with the nanoparticles. Concepts emerging from the role of electrostatic interactions in the hetero-aggregation of nanoparticles with protein molecules are used for the co-assembly of charged microbeads into linear clusters and chains of controllable length.
Colloidal Dispersions Under Slit-Pore Confinement
This dissertation contributes to the understanding of fundamental issues in the highly interdisciplinary field of colloidal science. Beyond colloid science, the system also serves as a model for studying interactions in biological matter. This work quantitatively investigated the scaling laws of the characteristic lengths of the structuring of colloidal dispersions and tested the generality of these laws, thereby explaining and resolving some long-standing contradictions in literature. It revealed the effect of confinement on the structuring, independently of specific properties of the confining interfaces. In addition, it resolved the influence of roughness and charge of the confining interfaces on the structuring and as well providing a method to measure the effect of surface deformability on colloidal structuring.
The Digital Transformation of Product Formulation
In competitive manufacturing industries, organizations embrace product development as a continuous investment strategy since both market share and profit margin stand to benefit. Formulating new or improved products has traditionally involved lengthy and expensive experimentation in laboratory or pilot plant settings. However, recent advancements in areas from data acquisition to analytics are synergizing to transform workflows and increase the pace of research and innovation. The Digital Transformation of Product Formulation offers practical guidance on how to implement data-driven, accelerated product development through concepts, challenges, and applications. In this book, you will read a...
Liposomes in Contact and Interacting with Silica Nanoparticles: From Decorated Vesicles to Internalized Particles.
In the past few years, growing attention has been devoted to the study of the interactions taking place in mixed systems of phospholipid membranes and inorganic nanoparticles. This is an important issue with regard to using nanoparticles in nanomedicine but also in the related field of nanotoxicology. However, the nature of the interactions in such mixtures is rather complex and may lead to the formation of different colloidal structures. Focusing on the case of liposomes and silica nanoparticles, the study presented here aims at improving our understanding of the interactions in such mixed systems and at obtaining a detailed picture of the hybrid structures they result in. Drawing a parallel between different systems, this work offers not only interesting features on the internalization process of nanoparticles and on the stability of nanoparticle–decorated vesicles but also comprehensive insights into the influence of the bilayer state (liquid, gel) on the nanoscale structures of hybrid liposome/nanoparticle complexes.
Marine Surfactants
This book explores the development of novel marine biosurfactants. The book also covers the utilization of marine surfactants for biological and biomedical, and environmental applications. Marine Surfactants: Preparations and Applications aims to examine every aspect of marine derived surfactants.The first part of the book discusses the isolation of marine surfactants from various organisms include marine bacteria, algae, cyanobacteria and so on. The editors also examine the cultivation of marine microorganisms and the harvesting of other natural biological resources from the sea. The next part of the book discusses the application marine surfactants, including oil spill removal in the sea, ...
Nanomaterials from Renewable Resources for Emerging Applications
Nanomaterials from Renewable Resources for Emerging Applications details developments in nanomaterials produced from renewable materials and their usage in food and packaging, energy conservation, and environmental applications. • Introduces fundamentals of nanomaterials from renewable resources, including processing and characterization. • Covers nanomaterials for applications in food and packaging, including nanocellulose, lignin- and chitosan-based nanomaterials, and nanostarch. • Discusses applications in energy conservation, such as supercapacitors, electrolyte membranes, energy storage devices, and insulation. • Describes environmental uses such as water remediation and purification and oil spill clean-ups. • Highlights advantages and challenges in commercialization of green nanoparticle-based materials. Equally beneficial to researchers and professionals, this book is aimed at readers across materials science and engineering, chemical engineering, chemistry, and related fields interested in sustainable engineering.
Bharata-bharati
None
MYRIAD OF RECOLLECTIONS
Till 13th Century, the Kayasths were still considered as the hereditary professional scribes who maintained land revenue records, in the court language, Urdu or Persian. Being well versed in accountancy and the vernacular, they were much sought after by the Mughal nobility for their skill and efficiency in governance. Most Kayasth families have rock solid foundations and are truly joint even now. They were way ahead of their times in education, cultural heritage and social customs. After independence, the Mathurs emerged as front runners in the race for civil services & the Railways and occupied top slots in civil aviation, academia, medical and engineering services. This sometimes made the ...
Yuva Bharati
None
Unique World Records 2014
Unique World Records 2014 Edition Launched by Chief Guest - Shri Sarup Chand Singla, Chief Parliamentary Secretary, and MLA Bathinda, Punjab and Initiative of 1 CRORE TREE Plantation taken - First TREE planted by Chief Guest. World Record Holders from all over the world HONOURED at Bathinda with Medals, Trophies & World Record Certificates, Live Performance to break / make World Records done, Certificates honoured to people for taking part in TREE PLANTATION on the occasion at Hotel Bahia Fort, Bathinda Punjab on 24th August, 2014.
