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Book
Modern Sample Preparation Approaches for Separation Science
Author:
ISBN: 3039214128 303921411X Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

This book will provide the most recent knowledge and advances in Sample Preparation Techniques for Separation Science. Everyone working in a laboratory must be familiar with the basis of these technologies, and they often involve elaborate and time-consuming procedures that can take up to 80% of the total analysis time. Sample preparation is an essential step in most of the analytical methods for environmental and biomedical analysis, since the target analytes are often not detected in their in-situ forms, or the results are distorted by interfering species. In the past decade, modern sample preparation techniques have aimed to comply with green analytical chemistry principles, leading to simplification, miniaturization, easy manipulation of the analytical devices, low costs, strong reduction or absence of toxic organic solvents, as well as low sample volume requirements.Modern Sample Preparation Approaches for Separation Science also provides an invaluable reference tool for analytical chemists in the chemical, biological, pharmaceutical, environmental, and forensic sciences.

Keywords

caffeine and acetaminophen tracers --- solvent delivery with a moving pipette --- determination --- China herbal tea --- enrichment --- review --- on-line --- pectin --- nanocomposite --- Cassiae Semen --- environmental analysis --- pathogenic --- preconcentration --- nail --- liver --- extraction --- sample preparation --- hydrogel --- solid-phase extraction --- geological samples --- ionic liquids --- rice grains --- subzero-temperature assisted liquid–liquid extraction --- sugaring-out assisted liquid–liquid extraction --- poly (OMA-co-TRIM) monolithic column --- hormones --- vortex-synchronized matrix solid-phase dispersion --- trace analysis --- gas chromatography --- LC–MS/MS --- membrane-based microextraction --- gold --- antipsychotics --- in-line filter --- HPLC --- space instrumentation --- liquid chromatography --- biological samples --- vitamins --- polyvinyl alcohol --- in-tube SPME --- high-frequency heating --- UPLC-MS/MS --- oxylipins --- nucleic acid isolation --- non-anthocyanin polyphenol --- large volume --- barbiturates --- solvent front position extraction --- oligopeptides --- urine --- SPE --- whole blood --- anthraquinones --- flow rate --- chlorophenoxy acid herbicides --- amlodipine --- schizophrenic’ patients --- salting-out assisted liquid–liquid extraction --- automation --- sorbent --- whole water --- blueberry --- hydrophobic-solvent assisted liquid–liquid extraction --- crab shells --- miniaturization --- curie temperature --- sand --- UHPLC-MS/MS --- multi-spheres adsorptive micro-extraction (MSA?E) --- floating sampling technology --- protein precipitation --- pesticides residue --- sample preparation with TLC/HPTLC --- phenolic compounds --- response surface methodology --- vortex-assisted dispersive liquid-liquid microextraction --- trapping system --- caffeine --- aflatoxins --- liquid chromatography–tandem mass spectrometry --- pesticides --- organic-based monoliths --- matrix solid phase dispersion --- simultaneous determination --- pharmaceuticals --- sorbent-based techniques --- desirability function approach --- plasma samples --- environmental water matrices --- hydrophobic in-tube solid-phase microextraction --- liquid–liquid extraction


Book
Smart Materials and Devices for Energy Harvesting
Author:
Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

This book is devoted to energy harvesting from smart materials and devices. It focusses on the latest available techniques recently published by researchers all over the world. Energy Harvesting allows otherwise wasted environmental energy to be converted into electric energy, such as vibrations, wind and solar energy. It is a common experience that the limiting factor for wearable electronics, such as smartphones or wearable bands, or for wireless sensors in harsh environments, is the finite energy stored in onboard batteries. Therefore, the answer to the battery “charge or change” issue is energy harvesting because it converts the energy in the precise location where it is needed. In order to achieve this, suitable smart materials are needed, such as piezoelectrics or magnetostrictives. Moreover, energy harvesting may also be exploited for other crucial applications, such as for the powering of implantable medical/sensing devices for humans and animals. Therefore, energy harvesting from smart materials will become increasingly important in the future. This book provides a broad perspective on this topic for researchers and readers with both physics and engineering backgrounds.

Keywords

Technology: general issues --- History of engineering & technology --- magnetostrictive --- energy harvesting --- wearable --- magnetostrictive materials --- Galfenol --- finite element model --- iron–gallium --- measurements --- preisach model --- piezoelectric ceramics --- lead-free piezoceramics --- virtual instrument --- 3D electrospinning --- PVDF fibers --- piezoelectricity --- piezoelectric sensing --- wind energy harvesting --- snap-through motion --- dynamic stability --- variable-speed --- double-clamped --- width shapes --- piezoelectric energy harvester --- electrodes pair --- MEMS structure --- finite element method --- open circuit voltage --- moving load --- layered double hydroxide solar cell (LDHSC) --- photoactive material --- UV-Vis absorption --- dye sensitized solar cell (DSSC) --- photoactive layered double hydroxide (LDH) --- transition metal modification --- optical bandgap analysis --- renewable energy --- photovoltaic device design --- iron (Fe) modified MgFeAl LDH --- triboelectric effect --- polymer and composites --- low-power devices --- thermomagnetic energy generators --- power generation --- waste heat recovery --- lumped-element modelling --- magnetic shape memory films --- Ni-Mn-Ga film --- magnetization change --- Curie temperature --- finite element simulation --- piezoelectric unit distributions --- electrical potential and energy --- von Mises stress --- PVDF --- piezoelectric material --- human body movements --- glass fiber-reinforced polymer composite --- multifunctional structural laminate --- thermal energy harvesting --- through-thickness thermal gradient --- thermoelectric generator (TEG) --- n/a --- iron-gallium

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