Volumetric Chemical Analysis of Natural Waters
Water analysis is a basic tool to understand its quality, evaluate it and diagnose. Nowadays, everything related to water will soon become almost a need for knowledge, since less and less water is available, we use it and waste it, and in many cases it is abused. This text wants to contribute in some way to the study of this vital liquid. The text presents in a simple way, the chemical fundamentals for the analysis by basic volumetry, of the main components (bicarbonates, sulfates, chlorides, total hardness, calcium hardness, magnesium hardness, sodium and potassium) of natural waters such as lakes, dams, rivers, streams, canals, tanks, wells, springs and caves. The analytical proposals are presented from a "micro-scale" point of view, reducing the consumption of materials, reagents and analysis time and even being able to perform them in the field "in situ" in a simple and reliable way. Then, by means of data processing with the AqQA hydrochemical software of Rock Ware, it is possible to complement the basic analysis of natural waters.
Sinister Skies
What was unthinkable until recently is now increasingly in the news: geoengineering. For instance, we hear about billionaires like Bill Gates advocating for projects that would dim the Sun in response to 'climate change.' Additionally, universities are conducting more and more research into large-scale interventions in nature, purportedly to reduce CO2 emissions and combat global warming. Ideas such as placing mirrors in space, 'fertilizing' oceans, whitening clouds, and dispersing chemicals into the stratosphere are no longer seen as far-fetched-they are becoming potential global-scale solutions to 'save' humanity.Leaving aside the question of whether these measures are truly necessary, critics argue that geoengineering is far too dangerous. We have only one planet, and if something goes wrong, the consequences could be immediate and irreversible. Is the cure worse than the disease? The long-term, widespread use of toxic chemicals could have enormous consequences for all forms of life, including humans.However, what is often overlooked in this debate is that geoengineering may have already been underway for years. Since the 1990s, aircraft have allegedly been spraying chemicals into the atmosphere-commonly referred to as 'chemtrails.' Although this has long been dismissed as a 'conspiracy theory, ' increasing evidence is coming to light. For example, questions about geoengineering have recently been raised in both the US Senate and the House of Representatives, and several US states have enacted laws banning geoengineering (chemtrails) over their territories. More and more people are becoming aware that something unusual is happening above their heads-artificial silvery skies have been replacing the once-vibrant blue skies for years.Aerospace engineer Dr Coen Vermeeren has studied this complex issue for over 20 years. In this book, he shares the evidence for chemtrails and explains why they are not just another conspiracy theory. He clarifies how aircraft contrails form and how they differ from chemtrails. What chemicals are being spread by certain aircraft, how and where this occurs, and most importantly-why and by whom? What are the consequences for humans and the environment? With clear examples, Vermeeren shows how to distinguish between contrails and chemtrails, and offers practical advice on what individuals can do to help stop this assault on humanity. Because the real, darker motivation behind it all reaches far beyond our physical and mental health. 'Sinister Skies' reveals that, at its core, this is an attack on the very light within us.
Evaluation Of Potent Efficacy Of Natural Anti inflammatory Compounds
Inflammation is a major threat to human health and plays an important role in the development of various infectious and non-infectious diseases such as Alzheimer's, heart disease, asthma, rheumatoid arthritis etc. Depending on the intensity of this process, mediators generated in the inflammatory site can reach the circulation and cause fever. Clinical treatment of inflammatory diseases is dependent on drugs which belong either to the non-steroidal or to the steroidal chemical groups. The use of plant extracts in the green synthesis of silver nanoparticles has several advantages over conventional processes since they are beneficial, simple to improve, and ecologically friendly. Ag nanoparticle structural and morphological characteristics were investigated using UV-Visible, FTIR, TEM, FESEM, and XRD. Ag nanoparticles were sphericaland cylinderical. The produced Ag nanoparticles had an average size of 23.18 nm and were in the nanometer range. The EDS picture confirms that the sample contains Ag. EDS and FTIR confirmed that the Nano-Ag powder made using the biosynthetic technique was pure..AgNPs shows enhanced antiinflammatory activity.
Design, Development and Evaluation of Mucoadhesive Nanoemulsion Drugs
The study aimed to create and assess mucoadhesive nanoemulsion-based drug delivery systems (MNEs) for the effective delivery of antimigraine agents into the central nervous system (CNS). The research investigated three categories of drugs: triptans, beta-blockers, and ACE inhibitors, focusing on their potential to improve therapeutic outcomes for migraine treatment. Drug Selected were Triptans: Sumatriptan, Zolmitriptan, Almotriptan, Beta-Blockers: Propranolol, Timolol, Nadolol, ACE Inhibitors: Captopril, Enalapril, Lisinopril Nanoemulsion FormulationMNEs were prepared using standard nanoemulsion techniques, incorporating mucoadhesive polymers to enhance retention in the nasal cavity.The formulations were evaluated for drug release profiles, mucoadhesive strength, and stability.Results Triptans- Sumatriptan: MNEs showed acumulative drug release of 83.43% after 8 hours.- Zolmitriptan: MNEs exhibited acumulative drug release of 83.63% after 8 hours.- Almotriptan: Demonstrated the highest cumulative drug releaseat89.04% after 8 hours.Overall, MNEs significantly improved drug release for all triptans compared to traditional NEs and plain drug solutions (PDS).
Photocatalysis Studies of Nanoparticles
Nanoparticles derived from schiff bases have a wide variety of applications. These particles have antitumor, catalyst, antiviral, antibacterial, stabilizing additive for anti-fouling paint and Photocatalysis studies. The importance of Photocatalysis was noted for water purification disinfection and hydrogen generation for the sustainable development of modern industry. The metal oxides are explored as the practical Photocatalysis with great expectation in the near future. This book focused the synthesis of schiff base from terephthalaldehyde and o-phenylenediamine, synthesis of metal complexes from this ligand. Synthesis of metal oxide nanoparticles from these complexes. Photocatalysis studies were carried out using ZnONPs and CuONPs as precursor. From the photo catalyst study it is concluded that ZnONPs are good Photocatalysis because of their high band gap. CuONPs was unable to show any Photocatalysis activities because of their small band gap.
Adulterates in Food Chemistry
Adulterants in food items is a matter of great concern now a days as many food companies, agencies are found involved in the practice of mixing poor quality mixture of different substances or ingredients in the food items for the economic benefits. The main purpose of food adulteration is to alter the quality of food products for economic advantages. Such actions usually take place by substitution with inferior quality or less valued food and increasing the weight or volume by admixture of undeclared ingredients. Every day we watch in the TV news how the unhygienic and spurious foods are entering into our houses. Adulteration of foods has many effects on individuals as well as on the community health.This book aims to highlight the key areas or issues related to adulteration in food and it also emphasizes upon the common adulterants and their effects on human health and life and whole.Food adulteration is a serious issue that requires immediate attention everywhere in the world. Food chemistry is a vital branch which is supposed to deal with existence and survival of human life specially related to the food intake.
Coordination Chemistry
New to coordination chemistry and looking for some straightforward resources? In this long-established field of science, developments have continued between disciplines. Thus, modern coordination chemistry is recognized as an interdisciplinary molecular science that has developed at the intersection of inorganic and organic chemistry. Translated from the original Japanese, this accessible book is for undergraduate and graduate students and young researchers new to coordination chemistry. It explores transition metal complexes involving d and f orbitals and is structured as a step-by-step guide. It starts with the basics, as the foundation of the topic, progressing in complexity to explain some of the recent interdisciplinary developments. Important analytical methods related to the contents are introduced for completeness. You need look no further for concise and easy-to-understand explanations of coordination chemistry.
Role of Ionic Liquids in drug discovery and development
Ionic liquids (ILs) are ionic, non-molecular solvents with melting points below 100 ᵒC. The most notable properties include their negligible vapor pressure at room temperature, high thermal stability, and variable viscosity. Their miscibility in water and organic solvents can be controlled by selecting the cation/anion combination or by incorporating certain functional groups in the IL molecule. In addition, they possess a multitude of tunable physicochemical properties. There has been enormous interest in the development of analytical methods that exploit the unique physicochemical properties of ILsSpecial features of ionic liquids Low-vapor pressure  High viscosity  Dual natural polarity  Good thermal stability A wide range of miscibility with water and other organic solvents Environmental eco-friendly
Classical Mechanics
The third edition of Classical Mechanics presents a complete account of the classical mechanics of particles and systems for physics students at the advanced undergraduate level. The textbook evolved from a set of lecture notes for a course on the subject taught for many years by the author at California State University, Stanislaus. It assumes the reader has been exposed to a course in calculus and a calculus-based general physics course. However, no prior knowledge of differential equations is required. Differential equations and new mathematical methods are developed in the text as the occasion demands.The book begins with fundamental concepts, such as velocity and acceleration. Vectors are used from the start. Unlike conventional textbooks, this textbook introduces Lagrangian and Hamiltonian formulations of mechanics early on, enabling students to develop confidence in these essential methods. Special note is given to concepts instrumental in the development of modern physics, including the relationship between symmetries and the laws of conservation. Applications to other branches of physics are also included wherever possible. Generalized coordinates are covered to enable discussion of Lagrangian dynamics and Hamiltonian dynamics, which have important applications in quantum mechanics, statistical mechanics, celestial mechanics, and electrodynamics.Key features: Lengthier sections in early chapters have been rewritten as short and easy-to-understand sections. Each chapter contains homework problems of varying degrees of difficulty to enhance understanding of the material in the text. Detailed but not overlong mathematical manipulations are provided. The essential topics can be covered in a one-semester, four-hour course.
Plastic Additives
Additives are essential components of plastic formulations providing maintenance and modification of polymer properties, performance and long-term use. The book provides information on the many different plastic ingredients and their purpose with market information, theoretical background such as mechanisms, state-of-the-art technical solutions, applications and examples, synergisms and antagonisms, risk and future trends covering plastics recycling and biobased products.
Textbook of Organic Chemistry
Textbook of Organic Chemistry is meant for students who learn organic chemistry at the undergraduate level and who have already had exposure to the basics of chemistry, including an introduction to organic chemistry. This book conforms to the syllabus of Indian Universities at the undergraduate level, but can be useful to students at a more advanced level also. The book has a deductive approach and reduces the need to learn by rote. The objectives are listed at the beginning of every chapter which gives the student an overview of the chapter. Each chapter has been structured in a logical and interesting manner that facilitates easy reading and understanding. This approach has been developed and perfected by the author over the course of his tenure as a teacher of organic chemistry. At the end of each chapter, exercises are provided which strengthen the students' understanding of the concepts discussed in the text. 'Challenging Questions' are given for those students who want to delve deeper into the subject. Topics of current interest that are related to the subject matter of the chapter are suggested for preparing project reports.
Practical Chemistry
This laboratory manual offers a broad introduction to the chemistry of transition elements and more specifically to the chemistry of titanium, vanadium, chromium, molybdenum, manganese, iron, cobalt, nickel, copper, zinc, cadnium and mercury. The book includes preparation and properties of these transition metals and introduces the chemistry student to the laboratory skills required for accurate and precise chemical analysis. Practical Chemistry in 2 Volumes: Volume 1: Practical Chemistry: Instrumental Analysis, ISBN 978-3-11-157504-9
Aspects in Gas Chromatography
No detailed description available for "Aspects in Gas Chromatography".
Advanced Functional Metal-Organic Frameworks
Due to the structural flexibility, large surface area, tailorable pore size and functional tenability, metal-organic frameworks (MOFs) can lead to materials with unique properties. This book covers the fundamental aspects of MOFs, their synthesis and modification, including their potential applications in different domains. The major focus is on applications including chemical, biosensors, catalysis, drug delivery, supercapacitors, energy storage, magnetics and their future perspectives.The volume: Covers all aspects related to metal-organic frameworks (MOFs), including characterization, modification, applications and associated challenges Illustrates designing and synthetic strategies for MOFs Describes MOFs for gas adsorption, separation and purification, and their role in heterogeneous catalysis Covers sensing of different types of noxious substances in the aqueous environment Includes concepts of molecular magnetism, tunable magnetic properties and future aspects This book is aimed at graduate students, and researchers in material science, coordination and industrial chemistry, chemical and environmental engineering and clean technologies.
Green Chemistry in Agriculture and Food Production
Green chemistry is a vital subject playing a key role in environmental sustainability. Despite its importance, very little has been explored in the past years. This book is a comprehensive compilation of the methods, techniques and strategies used in green chemistry. The book highlights some critical aspects of green chemistry related to agriculture and food production. It has been put together for undergraduate, graduate, and postgraduate students. Each chapter has been cited with new and updated research discoveries to help the postgraduate, and doctorate students and researchers. I hope the presented book will be an important tool for students and researchers.
Polymeric Carriers for Delivery Systems in Biomedical Applications - in Memory of Professor Andrzej Dworak
Polymeric drug delivery enables the introduction of a therapeutic substance into the body. A successful therapeutic outcome requires the appropriate consideration of pharmacodynamics and pharmacokinetics. Among polymeric materials, both natural and synthetic polymers can be applied for controlled drug delivery under the condition that they possess the ability to be in contact with a living system without producing any adverse effects. This is especially so with biodegradable polymers, which are a suitable choice for numerous new drug-delivery systems. This Special Issue, dedicated to the memory of the late Professor Andrzej Dworak, scientist and friend, covers recent advances in natural and synthetic polymeric materials with the desired physical, chemical, biological, biomechanical, and degradation properties to match the various requirements of controlled drug delivery.
Application of Polymers in Food Sciences
This reprint focuses on the innovative application of polymers in the development and preservation of food products. The contributions are organized into two key themes. The first theme explores practical applications, such as the extraction of biopolymers for use as protective films, the development of biopolymer-based packaging, and the integration of sensors that detect food deterioration. The second theme delves into the utilization of biopolymers and polysaccharides as carrier agents for microencapsulating active ingredients, the creation of functional foods, and optimizing storage conditions to extend shelf life. These studies collectively highlight the cutting-edge advancements in polymer applications in the food industry.
Supercapacitors and Their Applications
Owing to their high-power density, long life, and environmental compatibility, supercapacitors are emerging as one of the promising storage technologies, but with challenges around energy and power requirements for specific applications. This book focusses on supercapacitors including details on classification, charge storage mechanisms, related kinetics, and thermodynamics. Materials used as electrodes, electrolytes, and separators, procedures followed, characterization methods, and modeling are covered, along with emphasis on related applications.Features: Provides an in-depth look at supercapacitors, including their working concepts and design Reviews detailed explanation of various characterization and modeling techniques Give special focus to the application of supercapacitors in major areas of environmental as well as social importance Covers cyclic voltammetry, charging-discharging curves, and electrochemical impedance spectroscopy as characterization techniques Includes a detailed chapter on historical perspectives on the evolution of supercapacitors This book is aimed at researchers and graduate students in materials science and engineering, nanotechnology, chemistry in batteries, and physics.
Walter Kohn
Walter Kohn, 1998 Nobel Laureate in Chemistry and discoverer of the Density Functional Theory (DFT), died in 2016 at the grand age of 93. This book is the first ever biography of Kohn, who led a remarkable life and scientific career, not least the fact that his DFT theory has emerged as the underlying computational method for molecular simulation used throughout the physical and life sciences. Taking us on a compelling journey, Sir David Clary traces Kohn's early life in Vienna and his dramatic escape from the Nazis on the Kindertransport to England in 1939, followed by Kohn's internment as an 'enemy alien' and his transportation to Canada in 1940. His subsequent scientific career is discussed in detail, including his remarkable sabbatical in France when he discovered DFT, and his enduring efforts on peace initiatives and reduction of nuclear proliferation. An extraordinary story of a theoretical physicist winning the Nobel Prize in Chemistry, Walter Kohn is a sparkling chronicle of one of the great scientists of the 20th century who forever changed the way contemporary science is done.
Heating and Cooling with Ground-Source Heat Pumps in Cold and Moderate Climates
Heating and Cooling with Ground-Source Heat Pumps in Cold and Moderate Climates: Fundamentals and Basic Concepts covers fundamentals and design principles of vertical and horizontal indirect and direct expansion closed-loop, as well as ground and surface-water ground-source heat pump systems. It explains the thermodynamic aspects of mechanical and thermochemical compression cycles of geothermal heat pumps, and describes the energetic, economic, and environmental aspects associated with the use of ground-source heat pump systems for heating and cooling residential and commercial/institutional buildings in moderate and cold climates. Based on the author's more than 30 years of technical experience Focuses on ground-source heat pump technologies that can be successfully applied in moderate and cold climates Discusses technical aspects as well as the most common and uncommon application fields of basic system configurations This work is aimed at designers of HVAC systems, as well as geological, mechanical, and chemical engineers implementing environmentally-friendly heating and cooling technologies for buildings.
Walter Kohn
Walter Kohn, 1998 Nobel Laureate in Chemistry and discoverer of the Density Functional Theory (DFT), died in 2016 at the grand age of 93. This book is the first ever biography of Kohn, who led a remarkable life and scientific career, not least the fact that his DFT theory has emerged as the underlying computational method for molecular simulation used throughout the physical and life sciences. Taking us on a compelling journey, Sir David Clary traces Kohn's early life in Vienna and his dramatic escape from the Nazis on the Kindertransport to England in 1939, followed by Kohn's internment as an 'enemy alien' and his transportation to Canada in 1940. His subsequent scientific career is discussed in detail, including his remarkable sabbatical in France when he discovered DFT, and his enduring efforts on peace initiatives and reduction of nuclear proliferation. An extraordinary story of a theoretical physicist winning the Nobel Prize in Chemistry, Walter Kohn is a sparkling chronicle of one of the great scientists of the 20th century who forever changed the way contemporary science is done.
Experimental Testing, Manufacturing and Numerical Modelling of Composite and Sandwich Structures
"Experimental Testing, Manufacturing and Numerical Modelling of Composite and Sandwich Structures" is an essential resource for researchers, engineers, and industry professionals in materials science and engineering. This comprehensive volume covers the latest advancements in the characterization, manufacturing, behaviour prediction, and sustainability of composite and sandwich structures. The special issue begins with an editorial overview, followed by detailed papers on the effects of high-current pulsed electron beams, graphene aerogels, fatigue life prediction in carbon fibre-reinforced polyamide-6, and fracture behaviour under biaxial tensile loads. It details innovative manufacturing techniques, such as machining processes and coating methods, and presents sophisticated models to predict the composite behaviour under various stresses. The special issue also explores the optimization of adhesive joints, non-destructive inspection techniques for sandwich structures, and the performance of materials in high-speed trains and piezoelectric actuators. Additionally, it addresses the need for sustainability with biocomposite materials derived from Andropogon halepensis and biodegradable composites using caffeine-treated wood. This volume aims to bridge the gap between theoretical research and practical application, offering detailed experimental and numerical insights to advance the knowledge and application of composite and sandwich structures.
Solid-State Batteries Via Additive Techniques
dvances in additive manufacturing (AM) processes are continuously opening up the material design space, providing scientists with opportunities to explore the relationship between structure, processing, and materials properties in new contexts. The first project presented in this book presents the design and refinement of a novel, polyborane-based solid electrolyte, whose design and investigation were motivated by the advent of additively manufactured, 3D electrodes, which could play a pivotal role in enabling next-generation batteries that can store more energy without sacrificing power. The first iteration of this electrolyte was synthesized by hydroborating polybutadiene with 9-borabicyclo(3.3.1)nonane (9-BBN). The resultant poly(9-BBN) was then reacted with precise amounts of n-butyllithium (n-BuLi), an organolithium reagent, to create the final polymer electrolyte. The polymer electrolyte films were assembled into a custom apparatus for impedance measurements, and though found to be ionically conductive, these measurements were not consistent, even within films made from the same batch of polymer in solution.
Study in problems caused by drilling fluids loss
After the exploration and identifying the location of the reservoir, the drilling operation is implemented for the production of oil and gas. The process of the drilling operations has a significant role in the petroleum industry and it can be one of the most expensive activities. Mud lost is the penetration of drilling mud in permeable formation at each depth partially or completely. These formations which are called thief zone are one of the common reasons of increasing non-productive time (NPT). Drilling mud does a lot of tasks and one of them which are more influenced by fluid lost is hydrostatic pressure maintenance that prevents of gaining fluid into the well. A correct handling of preventing or decreasing mud lost can reduce the problems caused by fluid lost. Experiences showed that preventing mud lost is cheaper and more effective than treatment. Usually in the phenomenon of mud lost, the fluid is lost because of induced fractures much more than other reasons. Because mud pressure is more than formation fracturing pressure, these induced fractures are created.
Monograph on Pyrene Chemistry
The synthesis of photoluminescent pyrene derivatives and their biomaterial applications in sugar, porphyrin, perylene, and dendrimer systems hold great promise in advancing biomaterial science and technology. They are explored in depth, emphasizing their potential in various biomedical fields. The book discusses their use in biosensing, imaging, drug delivery, and other biomaterial applications. It highlights the advantages offered by each derivative system, such as biocompatibility, stability, and functionalization capabilities, which are essential for their successful integration into biomaterial systems. This book provides a comprehensive analysis of the current state of research in this field, highlighting the potential for these derivatives to contribute to innovative biomaterial applications and pave the way for future advancements.
Nitrogen-doped Carbon dot Biosensor for the Detection of Uric Acid
This book deals with the synthesis of green fluorescent Nitrogen-doped Carbon Dots (N-CDs) through solvent-free pyrolysis, and their application in developing blue fluorescent nitrogen-doped silver (Ag/N-CDs) and copper (Cu/N-CDs) nanocomposites. These composites serve as highly efficient Uric Acid (UA) sensors, with fluorescence quenching visible to the naked eye. The quench in fluorescence is due to the synergistic effect between the fluorescence Inner Filter Effect (IFE) and the static quenching effect, with a Lower detection limit (LDL) of 4繕M thus functioning as a highly rapid UA biosensor. The book highlights a simple, eco-friendly method for rapid UA detection without catalytic interference.
Functional Nanomaterials Based on Self-Assembly
This reprint presents the most recent developments in the synthesis, modification, properties, and applications in various areas related to functional nanosystems and nanomaterials. This reprint will be useful to scientists of diverse backgrounds, i.e., material science, organic and inorganic chemistry, biochemistry, nanotechnology, and nanomedicine.
Development, Characterization, Application and Recycling of Novel Construction Materials
This reprint presents groundbreaking research on sustainable materials and construction practices. It covers eco-friendly material formulations, advanced characterization techniques, alternative binders like geopolymers, and the use of recycled aggregates and fibers. Innovative approaches to waste treatment and reuse are also explored. This collection is an essential resource for researchers and professionals striving to advance sustainability in materials science and engineering.
Materials Physics in Thermoelectric Materials
Thermoelectric materials, which could directly convert a temperature gradient into electrical energy, provide a promising solution for sustainable energy harvesting. The development of thermoelectric materials has recently gained tremendous attention in the fields of solid-state physics, chemistry, materials science, and engineering. Many strategies have been implemented to achieve high-efficiency thermoelectric conversion efficiency, e.g., doping, defect, intercalation, band engineering, strain, nanostructures, and molecule junctions, which greatly promote further applications of thermoelectrics.This Special Issue on "Materials Physics in Thermoelectric Materials" aims to provide a unique international forum for researchers working in thermoelectric materials to report their latest endeavors in advancing this field, including new pristine thermoelectric materials, strategies used to improve thermoelectric performance, theoretical understanding of thermoelectrics, physical insights into engineering high-performance thermoelectrics, computational discovery of new thermoelectric materials, and so on.
Magnetic, Dielectric, Electrical, Optical and Thermal Properties of Crystalline Materials
This Special Issue titled "Magnetic, Dielectric, Electrical, Optical and Thermal Properties of Crystalline Materials" is devoted to a general overview of the subject of crystalline materials and may extend to the nanocrystalline field. The articles related to the composition selection, the processing conditions optimization, and the structural and functional response. Thus, it includes synthesis, characterization, and application studies. Regarding the properties, their structure and mechanical, magnetic, dielectric, optical, and thermal properties investigations are the focus of interest.
Recent Developments in the Synthesis and Functionalization of Nitrogen Heterocycles
The purpose of this reprint is to introduce the reader to the latest advances in the chemistry of N-heterocycles, such as the synthesis, reactivity, and applications of aromatic and saturated nitrogen heterocyclic compounds. The role of N-heterocycles in human life is difficult to overestimate; their diverse application spans from the pharmaceutical industry to the production of energetic materials, dyes, and non-linear optical materials, among many other areas. With this reprint, we aim to highlight the most recent and most promising research results in this field, presented in the form of original articles and high-quality reviews.
Advanced Electrode Materials Dedicated for Electroanalysis
This reprint presents a compilation of research articles from the Special Issue of Materials titled "Advanced Electrode Materials Dedicated for Electroanalysis". It explores the latest developments in electrode materials, emphasizing their critical role in enhancing electrochemical sensors. Covering a wide range of topics, including the design, fabrication, and characterization of these materials, this reprint highlights their significance in improving sensitivity, selectivity, and efficiency across various applications, such as environmental monitoring, medical diagnostics, and industrial processes. This comprehensive volume serves as a vital resource for researchers, scientists, and engineers in materials science, chemistry, and electrochemistry, as well as for graduate and postgraduate students seeking in-depth knowledge of advanced electrode materials and their applications.
Photocatalytic Study of Transition Metal Oxide Thin Films
Nowadays, thin films find important applications due to their chemically, physically, electrically, magnetically, optically, and mechanically distinct properties. These properties can be controlled by adjusting their crystal structure, composition, and size. In recent years, scholars have shown significant interest in nano-sized metal-oxide-based semiconductors because of their potential for various physicochemical applications. Among these, ZnO thin films stand out due to their efficiency, chemical stability, low toxicity, and narrow energy band gap. ZnO thin films are particularly significant for applications such as water splitting, CO2 reduction, sensors, and photocatalysis. Our research focuses on ZnO catalysts for their high catalytic efficiency and non-toxic by-products in the photocatalytic decolorization of natural pollutants. A specific and cost-effective approach is needed to reduce pollution without releasing harmful by-products. Several scholars have introduced rare earth (RE) ions into the host material lattice to enhance catalytic reactions.
Rhodamine Chemosensors
Rhodamine-based photoresponsive sensors have emerged as a focal point in the realm of chemical sensing garnering substantial attention owing to their exceptional sensitivity, straightforward implementation, and real-time detection capabilities across diverse analytes. Within this class, a notable substituent stands out for its well-established reputation, characterized by its electron-donating prowess and customizable coordination cavity resulting in a heightened sensitivity towards various metal ions. The comprehensive examination of these sensors in the review centers on key parameters such as the detection target, detection limit, detection solution system, and detection method. Notably, the inclusion of an array of metal ions in the discussion contributes to the versatility of these sensors. This strategic approach not only broadens the scope of application but also underscores the versatility of rhodamine-based sensors, making this book a valuable resource for researchers and practitioners in the field of chemical sensing.
Analytical Chemistry - an Interesting Career
This is not a technical chemistry book. It examines what chemists do in problem solving, forensic analysis, public and environmental analysis and management of laboratories. It does this through numerous examples of samples analysed over the past 150 years. Modern society is controlled through measurements. Analytical chemistry is the application of the chemical sciences to identify and quantify substances to generate data for decision making purposes. Public health and forensic chemistry laboratories' mission is to protect society from those who would damage the health and well-being of others. It is one of the silver threads that binds society together. This book examines the 150 years (1873-2023) of achievement of a Government analytical chemistry laboratories. It will be of interest to those who are chemists, studying chemistry, managing laboratories, or members of the public who are curious about the activities of the back-room boffins who generate data for Government and Industrial decision making. Almost every day the newspapers report their results without acknowledgement. Every day, the courts accept their certificates, allowing them to carry out the course of justice. It looks at the qualifications, career paths and exceptional problem-solving skills of well-trained analytical chemists through numerous examples of case studies ranging from threats to the Australian wheat crop, coal mine explosions, to the toilet paper used in Government facilities.It examines management styles and structures. It discusses careers in analytical chemistry, and it records the personal careers and achievements of a number of chemists who spent their whole working life at this laboratory.
Transparent Hybrid Supercapacitor Electrode
This book discusses modified copolymers synthesized with styrene maleic anhydride and dimethyl diphenylmethane, incorporating GO/ZnO nanocomposite. The electrochemical performance of the nanocomposite exhibited a specific capacitance of 514 F g-1 at a current density of 0.4 Ag-1 and capacitive retention of 75-76% cyclic stability after 1000 cycles. The functionalization enhanced the conductivity of polymer nanocomposite, resulting in a high-performance energy storage application.
Metal-hydroxychlorides for High Power Aqueous Supercapacitors
With the social progress and the growth in human lifestyle, the need for energy increases continuously. Energy is considered as the most important problem facing humanity. Successful exploitation of renewable but intermittent energy sources such as wind and solar power requires reliable and efficient electrical energy storage and scientific community is studying new energy storage devices, electrochemical energy storage devices being the most promising candidates. Electrochemical energy storage technologies include batteries, fuel cells and electrochemical capacitors.
Sunscreens
Sunscreen formulations have undergone significant advancements in recent years, with a focus on improving UV radiation protection, photostability, and environmental sustainability. Chromophore compounds and nanoparticles have emerged as key components in these developments. This book highlights the latest research and innovations in chromophore compounds and nanoparticle-based sunscreens. It discusses the role of nanoparticles, such as zinc oxide and titanium dioxide, in scattering and absorbing UV radiation while remaining cosmetically acceptable. Chromophore compounds, encapsulated in nanoparticles, are explored for their potential to enhance UV protection by absorbing specific wavelengths of light. Additionally, advances in photo-stability, broad-spectrum protection, antioxidant inclusion, and biodegradability are discussed. The evolving landscape of sunscreen technology aims to provide more effective and environment friendly solutions for safeguarding skin from the sun's harmful effects.
Construction and performance of bioelectrochemical reaction system
The oxygen evolution reaction (OER) is an important half-reaction in electrochemical hydrogen production (EHP) and rechargeable meta-air batteries. However, the sluggish OER kinetics has seriously impeded the performance. Herein, we report a bioelectrochemical cascade system composed of glucose oxidase (GOx)-functionalized N-doped porous carbon nanofibers to replace OER in EHP and rechargeable Zn-air batteries (ZABs) applications.
Cobalt hydroxychlorides
Co2(OH)3Cl has been prepared by a facile one pot sol-gel process. Two different solvents, ethylene glycol and glycerol are used for the synthesis. The resulting samples are studied for their morphology, structure and electrochemical stability upon cycling. The sample with ethylene glycol as solvent exhibits three dimensional porous interconnected xerogel morphology whereas that with glycerol shows a crystalline and non-porous nanoparticulate structure. The specific capacitance of the Co2(OH)3Cl prepared with ethylene glycol is 434 F/g, when the electrodes are cycled in 3 M KOH at a specific current 2 A/g and with that of glycerol it is 252 F/g.
Polydimethylsiloxane nanocomposite for sealant applications
This book deals with a detailed study on the synthesis and characterization of silicone based adhesives and sealants for industrial and potting applications. The performance of the developed nanocomposites was analyzed based on their rheology, mechanical properties, thermal properties, dielectric properties, thermal conductivity, adhesion properties, etc. The influence of the chemical structure and concentration of the filler on the polymer matrices has also been investigated in detail. The mechanical, thermal and adhesive properties of the polymer nanocomposites were enhanced considerably by the incorporation of fillers into the polymer matrix.
Practical Chemistry
This laboratory manual offers a broad introduction to practical instrumental analysis. The practical activities include experiments for thin layer chromatography, paper chromatography, gas chromatography, high-performance liquid chromatography, electrophoresis, potentiometry, voltammetry, conductometry, coulometry, and electrogravimetry.
Recent Trends in Photoresponsive Mercury (II) Sensor for Biomaterials
Recent advancements in the field of photoresponsive-based mercury (II) sensors have witnessed a surge in research focused on enhancing detection capabilities. Leveraging innovations in materials science, particularly with quantum dots, nanomaterials, and organic semiconductors, these sensors exhibit improved selectivity and sensitivity. Beyond traditional applications, such as environmental monitoring, the integration of photoresponsive principles with emerging technologies like the internet of things (IoT) and wearable promises real-time and remote mercury (II) ion detection. The on-going efforts also explore multifunctional sensors and miniaturization for on-site applications, addressing current challenges and paving the way for broader commercialization. This dynamic landscape underscores the potential for these sensors to play a crucial role in ensuring the effective monitoring and management of mercury (II) levels in diverse settings.
Practical in Clinical Chemistry
Practical in clinical chemistry is interested with laboratory information related to assay of blood components. This information is submitted to Pharmacy College students at fifth stage. Moreover, the book discuss many blood tests procedures, calculation, interpretation of results. These assay include blood levels of glucose, urea, creatinine, uric acid, bilirubin, and enzymes such as aminotransferase, creatine kinase, and alkaline phosphatase.
Multiple Intelligence
"Multiple Intelligence in Relation to Self Concept and Mathematics Achievement " explores the intricate connections between students' diverse intellectual abilities, their self-perception, and their performance in mathematics. This study focuses on students, examining how different types of intelligence, as proposed by Howard Gardner's Multiple Intelligences theory, influence both self-concept and mathematical success. By analyzing these relationships, the book aims to provide insights into educational strategies that can enhance student achievement and self-esteem, ultimately contributing to more effective teaching methods tailored to individual strengths and learning styles.
Triazole Sensors
The photoresponsive nature of the triazole sensors introduces a dynamic element to biomaterial sensing, enabling precise control and modulation of their response. The investigation explores the innovative application of triazole sensors with photoresponsive properties in biomaterial sensing. Combining the robust binding capabilities of the triazole scaffold with the adaptability conferred by photoresponsive units, these sensors introduce a dynamic element to sensing, enabling precise control and modulation of their response. The study showcases their versatility in various applications, from cellular imaging to biomarker monitoring, within complex biological environments. The results underscore the transformative potential of photoresponsive-based triazole sensors in advancing biomaterials sensing technologies with implications for diagnostics, drug discovery, and fundamental biological research. Overall, the investigation emphasizes their adaptability and versatility in addressing the evolving landscape of biological sensing challenges.
Functional Material Based on Photoswitchable Hexaarylbiimidazole
The progress of materials science has promoted the rapid development of the global economy, whether it is smart polymer materials with sensing systems, or photoresist materials that promote the development of semiconductor integrated circuits from the micron to the nano level, are the most promising development direction in the field. The photochromic molecules are introduced into the polymer network to prepare smart polymer elastomers with photocontrolled deformation function or photoresist materials with photocontrolled depolymerization performance, which opens up a new direction for the preparation of functional materials. However, how to improve the photosensitivity of this kind of material, speed up its light response speed, and have excellent physicochemistry performance, so that it colud be applied to human daily life, this series of problems still need to be solved. Hexaryldiimidazole (HABI), as a photochromic molecular switch with fast photochemical response, could be integrated into polymers and used to manufacture functional polymer materials and DUV photoresist materials, providing a key idea to solve important scientific problems in this field.
General Chemistry
General Chemistry, studied in Academic High Schools and Secondary Schools, is a comprehensive course that includes both the traditional sections of General Chemistry - fundamental concepts and laws, with model concepts of atomic structure and chemical bonding, energy and chemical reaction rate, chemical equilibrium, solutions and electrolytic dissociation, as well as elements of analytical, physical and colloid chemistry.The text-book involves carrying out experiments with chemical reagents and is carried out in a specially equipped laboratory. In order to prepare a text-book, a student must first independently work out theoretical material, understand the aims and objectives of the work, and familiarise himself with the methods of chemical experiments.The "General Chemistry" manual is intended for students of academic lyceums to master and consolidate theoretical material and to use the knowledge gained in laboratory classes.
