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Micro/Nano Devices for Chemical Analysis

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ISBN: 9783038425342 9783038425359 Year: Pages: X, 218 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Chemical Engineering
Added to DOAB on : 2017-10-25 13:25:59
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Since the concept of micro total analysis systems (µ-TAS) has been advocated, various kinds of micro/nano devices have been developed by researchers in many fields, such as in chemistry, chemical engineering, mechanical engineering, electric engineering, biology, and medicine, among others. The analytical techniques for small sample volumes, using the micro/nano devices, heavily impacted the fields of biology, medicine and biotechnology, as well as analytical chemistry. Some applications (DNA analysis, point-of-care testing (POCT), etc.) are already commercially available, and various applications will soon be put into practical use.In this Special Issue, we focus on chemical and biochemical analyses (analytical and sensing techniques) using the various types of the micro/nano devices, including micro/nanofluidic devices, paper-based devices, digital microfluidics, and biochip (DNA, protein, cell) arrays. We are also interested in hyphenated devices with other conventional analytical instruments, and the pretreatment devices and components (valve, pump, etc.) for analysis/assay.

Forecasting Models of Electricity Prices

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ISBN: 9783038424154 9783038424147 Year: Pages: VIII, 250 DOI: 10.3390/books978-3-03842-414-7 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Environmental Engineering
Added to DOAB on : 2017-06-09 09:21:40
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The new competitive electricity markets make it imperative for companies related to electricity production and retail to have tools in place for energy offers. Price forecasting is critical when making offers in electricity markets, since it is considerably more complex than demand forecasting and the level of uncertainty is higher. Knowing electricity prices beforehand makes it possible for generators to determine their optimal production strategy in order to maximize their profit. Similarly, consumers and retailers can plan their consumption and produce energy bids to maximize their utility. Therefore, price forecasting is instrumental both for producers, retailers and consumers.

LC-MS/MS Method for Mycotoxin Analysis

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ISBN: 9783038426066 9783038426073 Year: Pages: VIII, 186 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Chemistry (General)
Added to DOAB on : 2017-12-22 11:28:33
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Mycotoxins are secondary metabolites produced by some species of filamentous fungi belonging to Fusarium, Aspergillus, Penicillium, Claviceps and Alternaria genera. The biochemical significance of mycotoxins in fungal metabolism has not always been fully clarified; however, the main concern for mycotoxins is driven by the deleterious effects they can exert on human and animal health. Structurally, the mycotoxins currently known belong to heterogeneous chemical classes, therefore the toxic effects they can induce are highly diverse (e.g., cancerogenic and immunosuppressive effects). The main route of human exposure to mycotoxins is by intake of contaminated food, either directly from contaminated agricultural products, or indirectly from residues and metabolites present in foods of animal origin. Immunochemical methods are generally used for the fast screening of mycotoxin presence; however, for confirmation purposes, analytical methods based on high-performance liquid chromatography (LC) are preferred, especially when coupled with tandem mass spectrometry (MS/MS), which allows the determination of multiclass mycotoxins in a single analysis. Moreover, the technical innovations available in LC-MS/MS instrumentation are prompting its application to the monitoring of contaminants in food and feed. The aim of this paper collection, constituted by ten research articles and one review, is to provide the reader with an overview on the novelties and capabilities in LC-MS/MS-based multi-mycotoxin methods, also including the investigation of emerging and modified mycotoxins.

Audio Signal Processing

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ISBN: 9783038423515 9783038423508 Year: Pages: X, 436 DOI: 10.3390/books978-3-03842-351-5 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Acoustics --- Electrical and Nuclear Engineering
Added to DOAB on : 2017-03-20 09:56:24
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Audio signal processing is a highly active research field where digital signal processing theory meets human sound perception and real-time programming requirements. It has a wide range of applications in computers, gaming, and music technology, to name a few of the largest areas. Successful applications include, for example, perceptual audio coding, digital music synthesizers, and music recognition software. The fact that music is now often listened to using headphones from a mobile device leads to new problems related to background noise control and signal enhancement. Developments in processor technology, such as parallel computing, are changing the way signal-processing algorithms are designed for audio.Topics covered, but were not limited to, the following areas:- Audio signal analysis- Music information retrieval- Enhancement and restoration of audio- Audio equalization and filtering- Audio effects processing- Sound synthesis and modeling- Audio coding- Sound capture and noise control- Sound source separation- Room acoustics and spatial audio- Signal processing for headphones and loudspeakers- High-performance computing in audio

Microdevices and Microsystems for Cell Manipulation

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ISBN: 9783038426189 9783038426191 Year: Pages: VII, 171 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Physics (General)
Added to DOAB on : 2017-12-28 13:52:56
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Microfabricated devices and systems capable of micromanipulation are well-suited for the manipulation of cells. These technologies are capable of a variety of functions, including cell trapping, cell sorting, cell culturing, and cell surgery, often at single-cell or sub-cellular resolution. These functionalities are achieved through a variety of mechanisms, including mechanical, electrical, magnetic, optical, and thermal forces. The operations that these microdevices and microsystems enable are relevant to many areas of biomedical research, including tissue engineering, cellular therapeutics, drug discovery, and diagnostics. This Special Issue will highlight recent advances in the field of cellular manipulation. Technologies capable of parallel single-cell manipulation are of special interest.

The Identification of the Genetic Components of Autism Spectrum Disorders 2017

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ISBN: 9783038425205 9783038425212 Year: Pages: X, 462 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Biology
Added to DOAB on : 2017-10-27 12:54:46
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This textbook is dedicated to the study of genetic factors contributing to autism and includes a collection of original research and review articles related to this topic. Autism spectrum disorders (ASD) include a collection of neurodevelopmental disorders characterized by three recognized behavioral domains involving difficulties in communication, social interaction and repetitive behavior. ASD affects 1 to 2 percent of children and is on the increase worldwide. Significant genetic contributions and mechanisms underlie the causation of ASD. Advances in genetic technology and better awareness have led to a diagnosis of 50 to 70 percent of individuals with ASD primarily due to chromosomal abnormalities, submicroscopic deletions or duplications now identified with high-resolution microarray analysis, next-generation DNA (exome) sequencing of gene variants or mutations, recognized single gene disorders or metabolic disturbances. Through discovery by searching genomic databases and peer-reviewed research articles, nearly 800 genes have been identified to contribute to ASD. Highlights in the field of autism research, discovery and identification of genetic components with characterization will be addressed. Furthermore, reviews of current understanding of the causes and diagnostic approaches for ASD and related syndromes will be presented along with discussion of psychiatric/behavior comorbidities and related features, environmental risk factors, parental attitudes and treatment.

Symmetry Measures on Complex Networks

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ISBN: 9783038424987 9783038424994 Year: Pages: 510 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Mathematics
Added to DOAB on : 2017-10-02 11:56:21
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Symmetry is found everywhere, to a greater or lesser degree. It is essential in all sciences and also as the basic substrate in all arts. The same happens with Complex Networks, which are the majority of all those that interest for advanced knowledge, that is, for research. That is why these two themes have been unified here, whose intersection we are dealing with: in its first part, of fundamentals, and in its second part of applications, which are multiple in the world today.

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2017 (7)