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Author |
Sorée, B.; Pham, A.-T.; Sels, D.; Magnus, W. |
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Title |
The junctionless nanowire transistor |
Type |
H3 Book chapter |
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Year |
2011 |
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Pages |
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Keywords |
H3 Book chapter; Theory of quantum systems and complex systems; Condensed Matter Theory (CMT) |
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Publisher |
Pan Stanford |
Place of Publication |
S.l. |
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Publication Date |
0000-00-00 |
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ISBN ![sorted by ISBN field, ascending order (up)](img/sort_asc.gif) |
9789814364027 |
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UA library record |
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Open Access |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:93074 |
Serial |
1754 |
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Author |
Magnus, W.; Carrillo-Nunez, H.; Sorée, B. |
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Title |
Transport in nanostructures |
Type |
H3 Book chapter |
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Year |
2011 |
Publication |
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Abbreviated Journal |
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Issue |
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Pages |
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Keywords |
H3 Book chapter; Condensed Matter Theory (CMT) |
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Publisher |
Pan Stanford |
Place of Publication |
S.l. |
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Publication Date |
0000-00-00 |
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ISBN ![sorted by ISBN field, ascending order (up)](img/sort_asc.gif) |
9789814364027 |
Additional Links |
UA library record |
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Times cited |
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Open Access |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ lucian @ c:irua:93075 |
Serial |
3724 |
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Author |
Van Echelpoel, R. |
![find book details (via ISBN) isbn](img/isbn.gif)
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Title |
Making an impact with voltammetric illicit drug sensors : bridging the gap between fundamental lab research and on-site application |
Type |
Doctoral thesis |
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Year |
2023 |
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Abbreviated Journal |
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xxviii, 194 p. |
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Keywords |
Doctoral thesis; Pharmacology. Therapy; Engineering sciences. Technology; Antwerp Electrochemical and Analytical Sciences Lab (A-Sense Lab) |
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Abstract |
Illicit drugs are harmful substances, posing a threat to the health and safety of society. Policies, such as supply reduction and harm reduction, are in place to combat the illicit drug problem. Science can play a substantial role in this fight, by providing tools that enable these policies to be successfully enforced. One example are on-site detection tools, i.e. sensors that allow the on-site identification of an illicit drug in a sample of interest. Several technologies, such as color tests and portable spectroscopic techniques, are currently employed for this goal. Although these are valuable techniques, there is an opportunity for voltammetry, an electrochemical technique, to make an impactful addition to this repertoire of on-site detection tools. Despite its attractive features (low-cost, portable, short analysis time, indifference to color,...), voltammetric illicit drug sensor have failed to make an impact in real scenarios. The work outlined in this PhD thesis aims to change this by bringing the technology from the lab to the field. Strategic choices, fueled by feedback from end-users, were made to further develop those specific aspects of the technology that previously haltered the technology to fulfill its potential. A detection algorithm was introduced that converts the voltammetric output into a clear-cut interpretation thereof, opening up the technology to end-users without prior knowledge of the technology. A sensor that allows qualitative and quantitative detection of the psychoactive drug MDMA was introduced, and importantly, validated on a large set of 212 confiscated samples. A state-of-the art mobile application and adequate sampling methodology were developed, alongside other, often more practical studies and product developments, to evolve the technology into a product that truly creates value for end-users. Important steps towards multidrug detection were made with a festival sensor and a flowchart based on visual appearance that ties together a variety of voltammetric single sensors into a single multidrug sensing approach. Last but not least, multiple valorization aspects were researched, including a market study and an analysis to determine the optimal commercialization strategy. Overall, this PhD thesis has facilitated the transition of the voltammetric illicit drug sensing technology from lab to on-site application. The final application creates value for end-users, and is ready to make an impact in real on-site scenarios. |
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ISBN ![sorted by ISBN field, ascending order (up)](img/sort_asc.gif) |
987-90-5728-534-7 |
Additional Links |
UA library record |
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Open Access |
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Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:200601 |
Serial |
9055 |
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Permanent link to this record |
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Author |
Yu, C.-P. |
![find book details (via ISBN) isbn](img/isbn.gif)
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Title |
Novel imaging methods of transmission electron microscopy based on electron beam scattering and modulation |
Type |
Doctoral thesis |
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Year |
2023 |
Publication |
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Abbreviated Journal |
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Pages |
x, 154 p. |
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Keywords |
Doctoral thesis; Engineering sciences. Technology; Electron microscopy for materials research (EMAT) |
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Abstract |
Transmission electron microscopy (TEM) is a technique that uses an electron beam to analyze materials. This analysis is based on the interaction between the electron beam and the sample, such as photon emission and electron diffraction pattern, to name a few. Sample damage, however, also occurs when such interaction alters the structure of the sample. To ensure information from the undamaged material can be acquired, the electron expense to probe the material is thus limited. In this work, we propose efficient methods for acquiring and processing the information originating from the electron-sample interaction so that the study of the material and the conducting of the TEM experiment can be less hindered by the limited dose usage. In the first part of the work, the relationship between the scattering of the electron and the local physical property of the sample is studied. Based on this relationship, two reconstruction schemes are proposed capable of producing high-resolution images at low-dose conditions. Besides, the proposed reconstructions are not restricted to complete datasets but instead work on pieces of data, therefore allowing live feedback during data acquisition. Such feature of the methods allows the whole TEM experiment to be carried out under low dose conditions and thus further reduces possible beam damage on the studied material. In the second part of the work, we discuss our approach to modulating the electron beam and its benefits. An electrostatic device that can alter the wavefront of the passing electron wave is introduced and characterized. The beam-modulation ability is demonstrated by creating orthogonal beam sets, and applications that exploit the adaptability of the wave modulator are demonstrated with both simulation and experiments. |
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ISBN ![sorted by ISBN field, ascending order (up)](img/sort_asc.gif) |
987-90-5728-534-7 |
Additional Links |
UA library record |
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Impact Factor |
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Times cited |
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Open Access |
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Notes |
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Approved |
Most recent IF: NA |
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Call Number |
UA @ admin @ c:irua:200885 |
Serial |
9064 |
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Permanent link to this record |