Activated carbons

Carotenoids are a group of 40-carbon isoprenoids with high lipid solubility, widely found in fruits, vegetables, etc. They have an unsaturated structure with strong antioxidant activity that helps prevent low-density lipoprotein oxidation and protect cells from free radicals.

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This article deals with a review on how supercapacitor (SC) electrode materials get developed from bio-waste like cooked chicken bone waste (CCBW), chicken egg shells, fish gills, fishbone waste, and biodegradable and non-biodegradable marine wastes such as plastics, mangroves, chitosans, and mussel shells, which provide economic benefit for the substantiality of supercapacitor technology.

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CO2 methanation is one of the advantageous processes of carbon capture and utilisation (CCU) technologies to circulate the carbon on Earth, mitigating the release and loss of CO2 into the atmosphere.

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The study described the preparation of composite material through the dispersion of carbon nanotubes (CNTs) decorated with silver nanoparticles (Ag NPs) in the matrix of blending natural rubber (NR) and polyethylene (PE) for use as an antibacterial agent. The FESEM results indicated the uniform and defect-free surface of the synthesized composites.

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In this research, in an attempt to make use of the kaolin resources in Vietnam, we present a synthetic process of zeolite A via hydrothermal from kaolinite, together with the modification process of zeolite A using different metallic cations. The characteristics of the prepared zeolite LTAs such as chemical composition and crystalline structure, as well as their catalytic activity in the methanation reaction of carbon dioxide (CO2) to methane (CH4) were extensively investigated.

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In this study, we synthesized magnetic activated carbon (MAC) derived from Litsea glutinosa seeds, which was applied to eliminate methylene blue and nickel ions in the aeration tank of the biological treatment system. Structural characteristics and adsorption properties of MAC were studied. The obtained results revealed that the removal efficiency of these pollutants significantly improved as a combination of MAC and activated sludge, especially in the case of nickel ions removal.

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A simple and environment-friendly electrochemical method using activated glassy carbon electrodes (aGCE) for monitoring the residues of tetracycline in pork samples was developed. A two-step pretreatment procedure was established for activating the glassy carbon electrode surface, including mechanical polishing and electrochemical pretreatment. In the supporting electrolyte solution of 0.2 M sodium sulfate (at pH 2.5), the electrochemical response of TC was characterized by two irreversible oxidation peaks at +0.95 V and +1.05 V vs. saturated calomel electrode. T

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Ebook "Sustainable innovations in apparel production" highlights sustainable innovations in the apparel production sector, which is the final destination in the textile production segment. Measuring sustainability in clothing is one of the inevitable areas to deal with when it comes to sustainable apparel production, which is also highlighted here.

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Ebook "Advanced electrocatalysts for low-temperature fuel cells" introduces the reader to the state of the art in nanostructured anode and cathode electrocatalysts for low-temperature acid and alkaline fuel cells. It explores the electrocatalysis of anode (oxidation of organic molecules) and cathode (oxygen reduction) reactions. It also offers insights into metal-carbon interactions, correlating them with the catalytic activity of the electrochemical reactions.

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In this study, the objective was to employ experimental design in order to optimize the efficiency of diesel oil removal from water using activated carbon sourced from rambutan peel. A central composite design was utilized to investigate the impact of contact time, adsorbent dosage, initial oil concentration, and pH on both the removal efficiency and oil adsorption capacity across 30 different experimental designs.

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Ebook "Handbook of gas sensor materials (Properties, advantages and shortcomings for applications - Volume 2: New trends and technologies)" provide a detailed and comprehensive account of materials for gas sensors, including the properties and relative advantages of various materials. Since these sensors can be applied for the automation of myriad industrial processes, as well as for everyday monitoring of such activities as public safety, engine performance, medical therapeutics, and in many other situations, this handbook is of great value.

453p tudohanhtau1006 29-03-2024 4 1   Download

The study aims to assess the diesel oil adsorption capacity of activated carbon derived from rambutan peel, a prevalent agricultural by-product in Vietnam. The adsorption process will be investigated using various adsorption isotherms (Langmuir, Freundlich, Temkin, Dubin-Radushkevich), adsorption kinetics (pseudo-first order and pseudo-second order).

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Ebook "Development of novel anti-HIV pyrimidobenzothiazine derivatives" is in three parts. The first part expounds efficient methods for the synthesis of tricyclic heterocycles related to PD 404182 based on the sp2-carbon−heteroatom bond formations. The second part explains SAR studies of PD 404182 for the development of anti-HIV agents. The third part of the thesis elucidates the development of photoaffinity probes for the target identification of PD 404182.

157p coduathanh1122 27-03-2024 2 1   Download

Ebook "Transition metal catalyzed carbonylation reactions: Carbonylative activation of C–X bonds" is a comprehensive monograph focusing on carbon monoxide usage. This book provides students and researchers in organic synthesis with a detailed discussion of carbonylation from the basics through to applications. The authors have structured the book around the types of reactions, based on the different nucleophiles involved.

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Ebook "Forest landscapes and global change: Challenges for research and management" exploration of the state of knowledge of global changes in forested landscapes with emphasis on causes and effects, and challenges faced by researchers and land managers. Initial chapters identify and describe major agents of landscape change: climate, fire, and human activities. The next series of chapters address implications of changes on ecosystem services, biodiversity conservation and carbon flux.

271p manmanthanhla0201 26-02-2024 2 1   Download

Ebook "Tropical agroforestry" strives to provide up-to-date information on tropical agroforestry to serve as educational material in the tropical context. The authoritative textbook of Nair (1993) on agroforestry was published 18 years ago, and before the advent of tree domestication, an important agroforestry practice today. In addition, many other research activities, such as carbon sequestration and integrated pest management, have been included in the agroforestry agenda.

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Ebok "Lithium-ion batteries: Science and technologies" contains an in-depth review of electrode materials, electrolytes and additives for LIB, as well as indicators of the future directions for continued maturation of the LIB. In developing electrochemical cells, one must keep in mind that the real goal is to package and control all the materials and components (cathode and anode active materials, electrolytes, separators, current collectors etc.) in a limited volume to enable maximum energy storage without creating any safety problems.

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Ebook "C-H activation (Topics in current chemistry, Volume 292)" shifts direction slightly to discuss C–H functionalization reactions by other transition metal catalysts. L. Ackermann covers many of the most important developments in Ru-catalyzed C–H arylation. Although Rucatalyzed C–H activation reactions reported by Murai and Kakiuchi are among the earliest catalytic C–H activation reactions for carbon–carbon bond formation, Ackermann focuses on an exciting new development in Ru-catalyzed C–H arylation with the assistance of various ligands reported from his own laboratory and others.

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Ebook "Computer-based modeling of novel carbon systems and their properties: Beyond nanotubes (Carbon materials: Chemistry and physics, Volume 03)" provides the reader with a survey of state-of-the-art theoretical and computational contributions featuring novel carbon systems (excluding nanotubes). The chapters are authored by leading researchers who are all actively involved with different aspects of carbon structure and property elucidation. Consequently, a variety of methods are presented to the reader.

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Ebook "Analytics of Protein–DNA interactions (Advances in biochemical engineering/biotechnology, Volume 104)" focuses on the fascinating possibilities that emerged during the last years to study protein–DNA interactions in vitro. As an essential part of transcriptional activity during development and in tumorgenesis a separate chapter describing the analysis of DNA modification especially methylation of cytosines at their carbon-5 position was included.

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