Trace Environmental Quantitative Analysis
A thorough and timely update, this new edition presents principles, techniques, and applications in this sub-discipline of analytical chemistry for quantifying traces of potentially toxic organic and inorganic chemical substances found in air, soil, fish, and water, as well as serum, plasma, urine, and other body fluids. The author addresses regulatory aspects, calibration, verification, and the statistical treatment of analytical data including instrument detection limits; quality assurance/quality control; sampling and sample preparation; and techniques that are used to quantify trace concentrations of organic and inorganic chemical substances.Key Features: Fundamental principles are introduced for the more significant experimental approaches to sample preparation Principles of instrumental analysis (determinative techniques) for trace organics and trace inorganics analysis An introduction to the statistical treatment of trace analytical data How to calculate instrument detection limits based on weighted least squares confidence band calibration statistics Includes an updated series of student-tested experiments
Advances in Analytical Strategies to Study Cultural Heritage Samples
This reprint provides the most recent advancements and trends in the analysis of cultural heritage samples, including archaeological and bio-archaeological samples, confirming the growing public and academic interest in this field. The submitted papers cover different aspects of cultural and archaeological heritage protection, conservation, and restoration. The complexity of such samples, including archaeological samples, generally requires a multi-analytical approach. The integrated use of different analytical techniques, with the preference for noninvasive or micro-invasive ones, allows an in-depth understanding of the original materials and their degradation processes and helps obtain innovative solutions for the restoration and conservation of artworks.
Frontiers in Nucleic Acid Chemistry
This Reprint is dedicated to the memory of Enrique Pedroso, Professor Emeritus of Organic Chemistry at University of Barcelona, who passed away at the age of 72 on September 2020. Professor Enrique Pedroso has been one of the pioneers of Nucleic Acids Chemistry in Spain, significantly contributing to the development of this highly interdisciplinary field which combines organic chemistry, biochemistry, pharmacology, materials chemistry, and biophysics. His major research achievements were accomplished in the synthesis of modified oligonucleotides and especially conjugates and cyclic oligonucleotides, as well as their analogues, which opened up new avenues in the search for novel applications of oligonucleotides.This Reprint comprises a collection of research or review articles prepared by international experts in Nucleic Acids, including nucleoside and oligonucleotide synthesis, nucleic acids structural studies, DNA repair, and biophysical characterization of DNA-targeting ligands, especially G-quadruplex binding drugs.
Advanced Materials for Energy Storage and Conversion
Energy storage and conversion technologies represent key research and industrial interests, given the proportionate growth of renewable energy sources. Extraordinary advancements in energy storage and conversion technologies are inextricably linked to the development of new materials. This Special Issue focuses on the most recent advances and findings in developing innovative energy storage and conversion technologies. It contains original research articles and reviews on the design, synthesis, characterization, energy storage mechanisms, and application of various materials for energy storage and conversion.
Superhalogens and Superalkalis
This comprehensive volume is designed as the go-to resource on the exciting and evolving topics of superhalogens, superalkalis and supersalts-special classes of atomic clusters and the acid salt that results from their interactions.
Electronic Structure Crystallography and Functional Motifs of Materials
Electronic Structure Crystallography and Functional Motifs of Materials Detailed resource on the method of electronic structure crystallography for revealing the experimental electronic structure and structure-property relationships of functional materials Electronic Structure Crystallography and Functional Motifs of Materials describes electronic structure crystallography and functional motifs of materials, two of the most challenging topics to realize the rational design of high-performance functional materials, emphasizing the physical properties and structure-property relationships of functional materials using nonlinear optical materials as examples. The text clearly illustrates how to extract experimental electronic structure information and relevant physicochemical properties of materials based on the theories and methods in X-ray crystallography and quantum chemistry. Practical skills of charge density studies using experimental X-ray sources are also covered, which are particularly important for the future popularization and development of electron structure crystallography. This book also introduces the related theories and refinement techniques involved in using scattering methods (mainly X-ray single-crystal diffraction, as well as polarized neutron scattering and Compton scattering) to determine experimental electronic structures, including the experimental electron density, experimental electron wavefunction, and experimental electron density matrix of crystalline materials. Electronic Structure Crystallography and Functional Motifs of Materials includes information on: Basic framework and assumptions of the first-principle calculations, density matrix and density function, and Hartree-Fock (HF) and Kohn-Sham (KS) methods Analysis of topological atoms in molecules, chemical interaction analysis, coarse graining and energy partition of the density matrix, and restricted space partition Principles of electronic structure measurement, including thermal vibration analysis, scattering experiments, and refinement algorithm for experimental electronic structure Independent atom model, multipole model, X-ray constrained wavefunction model, and other electron density models Electronic Structure Crystallography and Functional Motifs of Materials is an ideal textbook or reference book for graduate students and researchers in chemistry, physics, and material sciences for studying the structures and properties of functional crystalline materials.
Nutraceuticals
The term nutraceuticals is applied to the products isolated from the herbal sources, nutrients or dietary supplements, processed foods, (cereals, soup and beverages) and specific diets, that may also used as medicine other than nutrition. It usually refers to the foods derived products which may sell in medicinal form, possessing physiological benefits to the host while promoting health and wellness and provide protection against chronic disorders. They may also increase the life expectancy, delay the aging and/or support the structure and function of the body organs. Demand for nutraceuticals with potential to prevent and treat chronic disorders has been interestingly increasing over the past few years. Based on food sources, nutraceuticals are classified into dietary fibers, probiotics, prebiotics, polyunsaturated fatty acids (PUFAs), vitamins, polyphenols and spices. A dietary supplement is generally considered as product containing vitamins, minerals, amino acids, and medicinal plants that are indented to be used to supplement the diet or a concentrate, metabolite, constituent, extract, or combinations of these ingredients. Broadly, nutraceuticals are any of these ingredients or supplements using for health purposes other than nutrition. This book on the fundamentals of Nutraceuticals is organized in two parts i.e., the introductory aspects of macro- and micro-nutrients, gut microbiota regulation, nutraceuticals and drug interactions, while the second part is focusing on the biological benefits of nutraceuticals in different disease states. Besides, this book is also addressing the safety aspects of nutraceuticals and phytotherapeutic support in pregnancy. Including contributions from the experts in the field, target audience (pharmacists, nutritionists, other healthcare providers, and researchers in food and nutrition sector) will be benefited with the updated literature on nutraceuticals and dietary supplements.
The Fundamentals of Inorganic Polymers
Seminar paper from the year 2021 in the subject Chemistry - Macromolecular Chemistry, Polymer Chemistry, course: Chemistry (SH 453), language: English, abstract: This paper explains the fundamentals of inorganic polymers. The first part of this paper focuses on the sources and way of manufacturing inorganic polymers. All the information has been gathered from book, articles and internet websites. Second part of the term paper cover in details about daily used polymers and their applications and this paper also explains the importance of biodegradable polymers.
State-of-the-Art Liquid Crystals Research in Japan
This Special Issue includes ten papers by 45 authors, including excellent cutting-edge research from Japan. Looking at the papers reported here, Japan's liquid crystalline research is a global pioneer within this field. It is clear that Japanese liquid crystalline research will further develop in the future.
Recovery of Non-ferrous Metal from Metallurgical Residues
Non-ferrous metals and alloys are essential resources for the development of modern industries. With the depletion of natural minerals, non-ferrous metal recovery from metallurgical residues attracts researchers from multidisciplinary areas. Ideas for new recovery routes reduce pressure on natural resources and the environment, thus benefiting better manufacturing sustainability. This Special Issue primarily considers papers focused on the theoretical and engineering aspects of processing metal recovery from metallurgical residues.
70th Year Anniversary of Carbon Nanotube Discovery
This Special Issue reprint highlights seventy years since the discovery of carbon nanotubes (CNTs) in 1952 by Russian scientists LV Radushkevich and VM Lukyanovich in what was then the Union of Soviet Socialist Republics or the USSR. It also reflects the popularization by the well-known Japanese scientist S Iijima, since 1991, of carbon nanostructures, including CNTs, towards nanotechnology as a forever impactful and inspiring field. For researchers, academics, and teachers of all levels, from novice to expert to guru, the articles contained within this Special Issue are themed around sustainability from nanotechnology, pertaining to diameter measurement, rotor system molecular simulation, ultra-high tensile strength, energy, filtration via membrane distillation, environmental remediation using adsorption, ionic liquids as curing agents, biosensors and bioinspired sensors, and electrical/mechanical properties of polymer nanocomposites. The CNT is a legacy 1D nanomaterial, only after which was 2D graphene able to emerge.This is a global and mixed-country authorship Special Issue, with this reprint containing articles from Canada, Saudi Arabia, China, Russia, Spain, India, Japan, the United Arab Emirates (UAE), the USA, Germany, Turkiye, and Malaysia. The Guest Editor is from Singapore and began publishing critical work on the CNT-polymer interface towards the mechanical properties of the nanocomposite up to 20 years ago.
Novelties in Wood Engineering and Forestry
This Special Issue compiles11 research papers published in the field of forestry and wood processing technology. In particular, this Special Issue highlights the research on timber saw, biomass and waste from resinous branches, forest by-products, log exploitation, the primary processing of round wood in timber with a band saw, the quality of exploited wood, and the role of the forest and forest ecosystem on the environment. Regarding wood science processes, this Special Issue presents works on cutting round wood in timber and veneers, technology 4.0, the manufacture of furniture and musical instruments, acoustical properties, wood biomass, including briquettes and pellets, thermochemical treatments of wood and pellets, finishing processes, and the restoration of cultural heritage objects using classical technologies and chemical materials. A lot of material waste was used to obtain better composites or chemical substances to obtain wood-based composites with better properties and low-level formaldehyde emission.
Understanding Kinetic Resolution by Hydrolases
This brief is a concise guide that explores the theory and practical aspects of improving enantioselectivity in enzymatic kinetic resolution, with a specific focus on the role of hydrolases in this process. Enzymatic kinetic resolution is a valuable technique for obtaining enantiopure compounds, and hydrolases are highlighted as a crucial class of enzymes widely used in industries for chiral synthesis involving kinetic resolution. The book emphasizes the importance of tuning and optimizing the enzymatic kinetic resolution process to achieve the highest possible enantiomeric excess in the final product or starting material while maintaining the desired yield. Through illustrative examples, the text aims to make the concept accessible and appealing to graduate students, researchers, and young organic chemists seeking to incorporate hydrolases in their stereoselective synthesis endeavors.
Steroid Compounds with Potential Biological Activity
Steroids are a large group of compounds whose structure is based on a 17-carbon skeleton, with a specific cyclopentanoperhydrophenanthrene ring system. Natural steroids have been fine-tuned through evolution to build membranes; act as chemical messengers that regulate metabolic, immune and reproductive functions in animals and stimulate the growth of, or otherwise protect, animal organisms. The steroid core represents a suitable motive for structural modifications. Therefore, a large group of semi-synthetic steroid derivatives have occupied the attention of synthetic chemists as well as medicinal chemists due to their potential biological activity, including anticancer, antibacterial, anti-inflammatory and (anti)hormonal activities.This Reprint of the Special Issue of Molecules titled "Steroid Compounds with Potential Biological Activity" is dedicated to both experimental and theoretical studies on steroid chemistry, structural biology, biosynthesis, metabolism, and pharmacology. The Issue focuses on the isolation and synthesis of steroid compounds, diverse in origin, as well as their structural characterization and identification. Published articles and reviews relate to in vitro and in silico studies of the pharmacological properties, molecular biology, biochemistry and structural biology of steroids.
Perovskite Light Emitting Diodes
Perovskite Light Emitting Diodes An introduction to revolutionary display technology Perovskite Light Emitting Diodes, commonly referred to as Pe-LEDs, leverage a perovskite nanocrystal core to engender a luminous and efficient diode, holding the potential to bring about a paradigm shift in the realm of display technology. In recent times, Pe-LEDs have garnered substantial industrial interest due to their intrinsic capability to exhibit a diverse array of colors with exceptional fidelity, their operation at low voltage thresholds, and their straightforward structural composition. The prospective implications for enabling cost-effective, heightened-performance flat-panel displays as well as flexible display solutions remain notably profound. Perovskite Light Emitting Diodes: Materials and Devices presents a comprehensive and insightful overview of these diodes and their multifaceted applications. Commencing with an incisive exploration of the historical trajectory of this technology, alongside a delineation of its foundational materials and intricate device architectures, this compendium provides a gateway into both contemporaneous state-of-the-art deployments and the vanguard of ongoing research endeavors directed towards charting future advancements. Perovskite Light Emitting Diodes readers will also find: Stability analysis for different Pe-LED devices, a key aspect of creating physical displays Authorship by an established expert in organic electronics Detailed discussion of perovskite preparation methods including ultrasonic, solvent heat, thermal injection, and many more Perovskite Light Emitting Diodes is ideal for materials scientists, electrical engineers, solid state chemists, solid state physicists, inorganic chemists, and any researchers or engineers working with display technology.
Biomass
The effort of the Editors has received global attention. Indebtedness is due to Saha and Asif and coworkers from Canada, Joseph and Mahapatra and coworkers from Poland and India, Ramirez-Montoya and coworkers from Spain and Mexico, Mota-Panizio and coworkers from Portugal and Brazil, Izquierdo and Lopez-Coca and coworkers from Spain, Vinitnantharat and coworkers from Thailand and the UK, Roy and Fini and coworkers from India and the USA, Lawson and Luyima and coworkers from Ghana and South Korea, Fouad El Mansouri and coworkers from Morocco and Spain, and Man Zhang and Yaning Zhang and coworkers from China for the 10 scholarly research papers dealing with the synthesis, characterization, properties, and applications of new carbon materials. The applications are mainly centered around environmental remediation owing to the intensity of the problem and comprise of water decontamination and the removal of heavy metals and organic compounds like tannic acid from contaminated sources. The use of biochar in agriculture for preventing nitrogen leaching for soil has also been included. Unconventional carbon-related materials like rice husk ash and carbon steel slag were also used for exotic applications.
Zeolites as Catalysts
Zeolites are crystalline aluminosilicates possessing a 3D network structure. They are widely considered to have been the leading materials of the last few decades in the fields of chemical engineering, energy sources, and environmental protection. Zeolites with various pore sizes can be obtained with different ratios of SiO2 and Al2O3, demonstrating large specific areas and strong gas adsorption. Therefore, they are commonly used for various processes, such as dehydration, gas separation and synthesis, air pollution control (H2S, SO2, and NOx decontamination), fuel conversion (electrolyte film), petroleum cracking, and others, playing the roles of a membrane, catalyst, and support.This Special Issue is dedicated to novel research and discussions on zeolites, with a focus on, but not limited to, the following: (1) Fundamental research on mechanisms of the formation of pores for zeolites; (2) Zeolites used as the membrane, catalyst, and support; (3) Theoretical simulation and machine learning research for zeolites; (4) Novel applications for zeolites; (5) Related porous materials
Sustainable Composite Construction Materials
Often, a project's sustainability is centred on building services and energy, but we need to have a comprehensive view of how we integrate deeper sustainability. Traditionally, we have neglected embodied carbon generated during building construction, which has led to significant carbon emissions over the last few decades, causing global warming and other related problems. The aim of this Special Issue was to collect the results of research and practice experiences in sustainable building structures, made from steel, concrete, timber, and other composite materials. Dr Roy and Dr Ananthi warmly invited authors to submit their papers for potential inclusion in this Special Issue of "Sustainable construction using steel, concrete, timber, and other composite materials", in the journal of Journal of Composites Science.
Development of g-C3N4-Based Photocatalysts
Energy crises and environmental pollution are two serious problems facing the development of human society. Photocatalysis is a promising environmentally friendly technology to address the above issues due to its low energy input and carbon footprint. In particular, graphitic carbon nitride, a typical organic-nonmetallic semiconductor photocatalyst, has become a research hotspot due to its unique properties; g-C3N4 is innoxious, inexpensive, easy to synthesize, has an appropriate energy band gap (2.7 eV), and demonstrates outstanding thermal stability and chemical stability. Nevertheless, some inherent scientific factors, such as its small surface area, low utilization of visible light, and fast recombination of electrons and holes, limit its applications in the field of photocatalysis. Among key modification methods, the construction of a heterojunction/homojunction between graphitic carbon nitride and other semiconductor photocatalysts with interleaved energy band positions is an effective approach to improve photocatalytic activity, attributed to the accelerated photon-generated carrier transfer rate. In particular, such S-scheme structures can simultaneously accelerate photon-generated carrier transfer rates and yield higher redox potentials. Therefore, there is an urgent need to design a neoteric g-C3N4-based photocatalytic system that can further promote the development of photocatalysis.
Polymers Enhancing Bioavailability in Drug Delivery, 2nd Edition
This Special Issue provides an update on the state of the art and current trends in polymeric drug delivery systems specifically designed for improving drug bioavailability. The multiple contributions received further strengthen the role of polymers in modern drug delivery and targeting, illustrating the different approaches possible and unveiling what the future may bring.
New Frontiers of Branched Polymers
NEW FRONTIERS OF BRANCHED POLYMERSThis book covers the physicochemical aspects of branched polymers. The contents are specialized but written at an elementary level so that beginners (graduate students and researchers are most welcome) can read without difficulty. The author strongly wishes to share with readers the exciting findings and progress made so far in polymer chemistry and physics.
Electrochemical Impedance Spectroscopy and Related Techniques
This book begins by introducing the basic concepts of impedance to non-specialist readers, who may have only an elementary knowledge of physics and mathematics. Mathematical concepts are explained clearly at appropriate points in a series of Theory Notes. Subsequent chapters cover RCL (resistor, capacitor, inductor) circuits before developing the key ideas behind the application of impedance spectroscopy to electrochemical systems. Circuit elements used to model electron transfer, double-layer charging and diffusion are described in detail, along with Kramers-Kronig testing of experimental data. The book explains how potentiostats and frequency-response analyzers work and evaluates a wealth of experimental data obtained either during the annual Bath impedance courses or in the laboratories of the author and his colleagues.Topics covered include not only conventional electrochemical systems, such as the rotating disc electrode and ultramicroelectrodes, but also unconventional solar cells and the application of frequency-resolved techniques in spectroelectrochemistry. Finally, the last two chapters introduce techniques based on modulation of light intensity rather than voltage or current. The book concludes with worked answers to the problems set out in earlier chapters.
Green and Sustainable Infrastructure Construction Materials
As people become more environmentally aware and recycle, the reuse of waste materials and the application of sustainable techniques in the construction field have become popular. This reprint collates new green and sustainable infrastructure construction materials, including cement and asphalt concrete, biomass, and composite infrastructure materials. This collection should be used as a guidance for the future field application of new techniques for the improved environmental sustainability of infrastructure constructions.
Bioactive Gel Films and Coatings Applied in Active Food Packaging
Recently, the trends of a circular economy and sustainability have driven nanotechnology towards the development of novel and innovative applications in the food packaging sector, which is rather recent compared with their use in biomedical and pharmaceutical applications. Bioactive films and coatings based on natural biopolymers such as chitosan, sodium alginate and gelatin and containing antioxidant and antimicrobial agents such as micro- and nanoemulsions of phytochemicals and nanostructured materials such as quantum dots, ZnO nanoparticles, nanoclays, silicas, zeolites and activated carbons, are finding application in various sectors of the food industry, especially in the development of novel edible, active packaging films and coatings. These bioactive films and coating materials enhance solubility, improve bioavailability, facilitate controlled release, and protect bioactive components during manufacture and storage. This Issue intends to provide an overview of bioactive gel films and coatings applied in active food packaging.
3D Printing of MEMS Technology
Three-dimensional printing is among the emerging technologies of our time. While it was previously primarily employed for rapid prototyping, this technology has entered a phase of accelerated production, especially for complicated or small objects. Most recently, novel 3D printing technologies have enabled objects with features at the micro- or even nano-scale to be fabricated. Meanwhile, well-known problems such as the waviness of fused deposition modeling (FDM)-printed parts, the missing long-term stability of some typical printing materials or the reduced mechanical properties of 3D-printed objects persist.This Special Issue focusses on all topics related to the 3D printing of micro-electro-mechanical systems (MEMS), such as novel or advanced features enabled by 3D printing compared to conventional technologies, but also the challenges that continue to exist regarding the application of 3D printing technologies for MEMS and new approaches to overcoming them.
Ceramic Coatings for High-Temperature Applications
This edition includes sixteen publications covering various applications in the field of ceramic coatings. This Issue features ceramic coatings developed through plasma spraying, magnetron sputtering, and plasma-electrolytic oxidation. It is appropriate for graduate students, scientists, and engineers interested in corrosion and wear-resistant high-temperature coatings for industrial applications.
Applications of Nanomaterials in Energy Systems
This comprehensive reprint explores the remarkable advancements in energy-related systems driven by the utilization of nanomaterials. It covers a wide range of topics, from material-level investigations to device-level applications, incorporating molecular dynamic simulations and measurements of electrical, thermal, dielectric, and electrochemical properties. The chapters delve into optimizing heat transfer processes, enhancing HVAC systems, improving Li-ion battery performance, developing high-performance carbon nanofiber anodes, and exploring the potential of flexible porous silicon/carbon fiber anodes. The reprint also discusses formic acid microfluidic fuel cells, 2D MXenes, electrical breakdown models, nanocomposite capacitors, and the dielectric behavior of nanofluids. It addresses topics such as radical scavenger fillers, the thermal properties of ternary nitrate, distributed Bragg reflectors, Pd-Pt bimetallic dendrites, and the oil-water interface behavior of modified graphene oxide. With its multidisciplinary approach and comprehensive coverage, this reprint serves as a valuable resource for researchers, scientists, and engineers working in the field of energy-related systems and nanotechnology.
Principles and Practice of Heterogeneous Catalysis
Die Katalyse ist im Zentrum vieler chemischer und biologischer Prozesse. Sie ist nicht nur die Grundlage der bedeutendsten Produktionsverfahren der chemischen Industrie und vieler Laborsynthesen, sondern der Schl羹sselschritt aller enzymatischen Prozesse. Dieses Buch ist eine leicht verst瓣ndliche Einf羹hrung in die Grundlagen der heterogenen Katalyse. Mit didaktischem Geschick und vielen anschaulichen Grafiken erl瓣utern die weltber羹hmten Autoren die wichtigsten Prinzipien und Techniken dieses sich rasant entwickelnden Gebiets. Auch neueste Entwicklungen werden ber羹cksichtigt. Das Buch wendet sich an fortgeschrittene Studenten, Physikochemiker, Verfahrenstechniker und Industriechemiker.
Biocarbon Polymer Composites
This book explores cutting-edge biocarbon polymer composites. The book brings together nine edited chapters that explore the development, properties, and applications of these eco-friendly materials, highlighting their potential to transform industries and reduce the environmental impact of traditional polymers. Spanning a range of critical topics, this book begins with an introduction to biocarbon and polymer materials, providing a solid foundation. It then progresses into the latest research on biocarbon sources, processing techniques, and characterization methods. Subsequent chapters cover the mechanical, thermal, and electrical properties of biocarbon polymer composites, along with their applications in diverse industries such as automotive, construction, and packaging. Contributors highlight real-world case studies and examples to showcase the practical relevance of these materials. Readers will gain a comprehensive understanding of the science and technology behind biocarbon polymer composites, enabling them to make informed decisions in materials selection and development. In an era of increasing environmental consciousness, this book emphasizes the eco-friendly nature of biocarbon composites, offering sustainable alternatives to traditional plastics. Additionally, this book bridges the information gaps between different disciplines and it is intended for a wide range of readers, from materials scientists and engineers to environmentalists and industry policymakers.
Aluminum Alloys and Aluminum-Based Matrix Composites
Aluminum alloys and aluminum matrix composite materials have become the first choice to replace steel materials due to their high specific strength. The penetration rate of light alloys in new energy vehicles, the aerospace industry, and the rapid rail transit industry is increasing quickly. The reduction in energy consumption resulting from structural weight reduction is the key element for sustainable development. For example, every 100 kg reduction in car mass can save 0.6 L of fuel per 100 kilometers and reduce the emission of 800-900 g of carbon dioxide. For every 10% reduction in the weight of new energy vehicles, their range can be increased by 5.5% (for every 10 kg reduction in the weight of pure electric vehicles, their range can be increased by 2.5 km). The comprehensive proportion of aluminum alloys in automobiles will reach about 26% by 2040. The vigorous development of the automotive manufacturing industry has provided a huge application scenario for aluminum alloy profiles, aluminum alloy castings, and forgings. In addition, the use of aluminum in aerospace and high-speed rail is even more widely recognized. This Special Issue summarizes research on and the application of aluminum alloys of typical composition, including AlZnMgCu, AlCu, AlMn, and even Ti-aluminum alloys.
Paleobiology of the Williamsburg Formation (Black Mingo Group; Paleocene) of South Carolina, U.S.A.
This is a print on demand publication. The excavation of an immense pit near the Santee River in South Carolina has produced the first Paleocene vertebrate fauna from the South Atlantic coast of the U.S., as well as a rich flora that provides extensive knowledge of the paleoenvironmental setting in which those animals flourished nearly 60 million years ago. The excavation penetrated the Late Paleocene Williamsburg Formation & yielded many specimens collected from the spoil piles, among which were the first Paleocene mammal remains from the east coast of North America. Here, eight paleobiologists interpret the discoveries systematically & compare them with Paleocene floras & faunas from elsewhere in North America & around the globe. Auhors include: Bruce Erickson (crocodilians & a snake); Robert Weems (bony fishes); Weems & Laurel Bybell (geological setting); Lucy Edwards (dinoflagellates); Robert Melchior (pollen, spores, fossil wood, & amber); Robert Purdy (sharks & rays); Howard Hutchison & Robert Weems (turtles); Robert Schoch (mammals), Glenn Sawyer (coprolites); & Erickson & Melchior (trace fossils). "One of the most significant contributions to our knowledge of early Tertiary times in this region."
Advanced Photocatalytic Materials for Environmental and Energy Applications
With the development of modern society, environmental pollution and energy shortages have become the focus of attention worldwide. Most of the global energy supplies are generated from fossil fuel, which gives rise to environmental pollution and climate change. Photocatalysis technology, which can directly convert solar energy into high value-added fuel and chemical materials or degrade a wide range of organic pollutants into easily degradable intermediates or less toxic small molecular substances, is regarded as one of the most important ways to solve the global energy shortage and environmental pollution problem. This Special Issue focuses on advanced photocatalytic materials, including but not limited to photocatalytic materials for the treatment of indoor air, photocatalytic bacterial inactivation, photocatalytic hydrogen evolution, photocatalytic oxygen evolution, photocatalytic CO2 reduction, photocatalytic hazardous pollutant removal, the photothermal decomposition of pollutants, photoelectrochemical water splitting, etc. This Special Issue provides a platform for scientists to present their original research on "Advanced Photocatalytic Materials for Environmental and Energy Applications".
Structural Chemistry Across the Periodic Table
This book is an expanded and updated version of Part III of the authors' previous work, Advanced Structural Inorganic Chemistry (OUP 2008). The original part deals with main-group elements, the rare-earth elements, transition-metal clusters, and supramolecular systems. In this new book, selected material from significant advances in the past decade has been added, with particular emphasis on compounds that exemplify new types of bonds such as sigma-hole, triel bond, tetrel bond, pnictogen bond, chalcogen bond, halogen bond, halogen-halogen interaction, aerogen bond, as well as quintuple and sextuple metal-metal bonds. Other new topics include actinide compounds, metallophilicity, heterometallic macrocycles and cages, com- and dis-proportionation reactions, hydrogen-bonded organic frameworks (HOFs), halogen-bonded organic frameworks, halogen-halogen interactions in supramolecular frameworks, covalent organic frameworks (COFs), and metal-organic frameworks (MOFs).
Active and Intelligent Food Packaging Polymers
This reprint combines 11 quality review and research articles on active and intelligent food packaging polymers. We anticipate that the contributions gathered within this Special Issue not only reflect the current state of the field but also serve as a catalyst for future advancements. Together, we aim to unravel the intricacies of active and intelligent food packaging, paving the way for a safer, more sustainable, and technologically enriched future in the realm of food preservation.
Surface Modification Technology of Biomedical Metals
Biomaterials are natural or artificial materials used to manufacture implants to replace lost or diseased biological structures in order to restore form and function. Biomaterials that require long-term service, such as orthopedic implants, need good physical and chemical stability, such as stainless steel and titanium alloys. The application of metal in biomedicine is becoming more and more common, but due to its various limitations, it is often necessary to modify its surface to obtain better performance and better clinical application. There are many technologies for the surface modification of medical metals, such as laser surface modification, chemical treatment, plasma surface modification, etc., and these technologies are still being developed to meet market demand. This reprint will provide important contributions related to the announced topics, focusing on biomedical metals and the surface modification technologies of biomedical metals.
Nanostructured Electrodes for High-Performance Supercapacitors and Batteries
I am grateful to all the authors who contributed to this Special Issue and the referees for reviewing the manuscripts. Finally, I give my thanks to Ms. Alisa Si and all the editorial staff of Nanomaterials for their support during the publication of this Special Issue.
Organic Chemistry
Organic Chemistry: 25 Must-Know Classes of Organic Compounds covers the main organic compounds. It includes aliphatic and aromatic hydrocarbons, halide, oxygen, nitrogen, and sulfur-containing compounds. It presents heterocyclic compounds and common organic mechanisms and describes carbonyl compounds, organic polymers and organic molecules with applications in medicinal chemistry.
Q-Rasar
This brief offers an introduction to the fascinating new field of quantitative read-across structure-activity relationships (q-RASAR) as a cheminformatics modeling approach in the background of quantitative structure-activity relationships (QSAR) and read-across (RA) as data gap-filling methods. It discusses the genesis and model development of q-RASAR models demonstrating practical examples. It also showcases successful case studies on the application of q-RASAR modeling in medicinal chemistry, predictive toxicology, and materials sciences. The book also includes the tools used for q-RASAR model development for new users. It is a valuable resource for researchers and students interested in grasping the development algorithm of q-RASAR models and their application within specific research domains.
Role of Green Chemistry in Ecosystem Restoration to Achieve Environmental Sustainability
Role of Green Chemistry in Ecosystem Restoration to Achieve Environmental Sustainability deals with current challenges of environmental problems along with the approaches of environmental sustainability in alliance with green chemistry. The book shows how to lessen the impact on the environment by maintaining a balance between society, the environment, and the economy, all of which are regarded as fundamental pillars of sustainability. Furthermore, policymakers and scholars will gain insights into how to develop and explore innovative techniques for achieving sustainable development goals. This book is unique in the field of environmental sustainability, as it is based on green chemistry concepts.
Recycled Materials for Concrete and Other Composites
Recently, the construction industry has shown great interest in the use of a variety of industrial by-products and waste, as well as used consumer products. The Special Issue "Recycled Materials for Concrete and Other Composites" presents the results of the latest research on the synthesis of composite materials produced using various types of waste materials, in particular, mortars and concretes, and their physicochemical and mechanical properties. The topics of the published articles also cover a number of other aspects, including the efficiency of the production of composite materials containing waste materials, their resistance to corrosion, the interactions of wastes and plasticizers, and the leaching of metal ions from the produced composites. Both interesting and practical solutions and the results of laboratory tests are presented. The published research clearly shows that the use of waste and recycled materials for the production of composite materials is a key element in reducing the consumption of natural resources and the amount of waste generated, which has a positive impact on environmental protection. The topics of published scientific works are relevant for both scientists and engineers from the construction industry.
Recycled Materials in Civil Engineering Application
The Special Issue "Recycled Materials in Civil Engineering Application" aims to discuss the preparation and characterization of new ecologically friendly materials containing recycled materials or waste that could be used in specific engineering applications. Using waste and materials obtained through recycling is a key part of decreasing current waste. In concrete and other composite materials, recycled materials such as plastics, steel and other metals, ash, glass, ceramics, and industrial wastes see the most use. The application of recycled materials or waste to the production of new materials is consistent with the idea of sustainable construction. Using recycled materials to synthesize composite materials saves the use of natural resources and has a positive influence on environmental protection. Unfortunately, the production of composite materials containing waste, by-products, or recycled materials requires a substantial amount of research, and is a very relevant issue for materials engineers and chemists. For this reason, in this Special Issue we publish the latest research results in the field of the synthesis of composite materials, in particular cement-based composites and their physicochemical and mechanical properties, as well as their impact on the natural environment.
Chemistry
Providing a holistic overview of general chemistry and its foundational principles, this textbook is an essential accompaniment to students entering the field. It is designed with the reader in mind, presenting the development of ideas to frame and center new concepts as well as providing sources for all topics covered.
Functional Nanomaterials for Optoelectronics and Photocatalysis
This Special Issue is a thematic collection works examining nanomaterials that display functionalities in optoelectronics, photocatalysis and photovoltaics. It includes research works on oxide, metallic and hybrid nanomaterials. Herein, topics range from light-emitting diodes, new materials and photocatalysis for dye degradation and energy production.
Theory and Observation of Active B-type Stars
Active B-type stars are defined by their characteristic emission formed in a dense environment. Among them are the classical Be stars, which are surrounded by ionized gaseous disks, and B[e] stars, whose disks are so dense that even molecules and dust can form within them. The variability of active B-type stars seen on various time and spatial scales is often connected to the formation and dissipation of these disks. Although the possible roles of radiation, rotation, pulsation, and binarity in pulling material off the stars have been explored in detail in the past few decades, the relevant physical processes involved in the formation of sustainable disks and their dynamical evolution are still unclear and a matter of debate.This Special Issue intends to provide a comprehensive update on the state of knowledge in the field of active B-type stars. It combines reviews and selected contributions on recent groundbreaking advancements in the comprehension of these peculiar objects from both a theoretical and an observational perspective. These new insights form the basis for exploring complex physical phenomena to verify the different scenarios proposed for the evolution and variability of stars and their circumstellar environment of the diverse classes of active B-type stars.
