Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 16 of 16 for “"biodetection"”.
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Ultrasensitive Biodetection based on Plasmonically-active Materials
… we have realized ultrasensitive and stable biodetection platform based on plasmonically-active materials, which can be potentially deployed in point-of-care and resource-limited settings
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SERS-based nanoparticle biodetection using carbohydrate-lectin interactions
Endogenous biological processes including cellular recognition, motility and differentiation together with infection often result from carbohydrate-based interactions. Investigation into glycobiological interactions using sugar-coated nanoparticles are the basis for the research described …
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Chemo and biodetection in liquid with organic transistor
In the past, quality and quantity of the substances could be evaluated only in analytical chemistry laboratories, well-equipped with centralized and powerful data centres. The rising of miniaturized technology has made possible to conceive the realization of portable devices, i.e. chemical sensors …
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Boosting Biodetection Signals via Photopolymerization: Strategies for Photocatalyst Amplification
… amplification (PBA) is a method to enhance biodetection signals by coupling molecular recognition events with photocatalyst labels (eosin Y) and amplifying through visible light-initiated free radical polymerization. Leveraging inherent amplification in the radical polymerization, PBA can …
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Gold compact disc appended Tröger’s base scaffolds as MALDI-TOF biodetection probes
Tröger’s base was discovered in 1887 by J. Tröger and has a V-shaped structure with C2 symmetry containing a chiral, hydrophobic cleft creating an angle of 90˚. For many years its chiral cleft has been utilised for the stationary phase of chiral HPLC columns, a chiral resolving agent and as a …
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Silicon based photonic crystal coupled to an optical cavity for highly sensitive biodetection
Since its discovery by Sir John Frederick William Herschel in 1845, fluorescence detection technology has developed extensively to be used in disease diagnosis, DNA sequencing, cellular imaging, flow cytometry, forensics, and monitoring processes in biological systems. In order to achieve better …
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Design, fabrication and characterization of resonant waveguide grating based optical biosensors
… absence of rapid, low cost and highly sensitive biodetection platform has hindered the implementation of next generation cheap and early stage clinical or home based point-of-care diagnostics. Label-free optical biosensing with high sensitivity, throughput, compactness, and low cost, plays an …
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A Sensor for DNA Hybridization Using Fluorescence and Electrical Impedance Detection
To improve the current biodetection methods available, a proof of concept design for the biological component of an innovative nucleic acid biosensor, as well as characterization of biorecognition events by fluorescence and impedance has been established in this work. This basic DNA biosensor …
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The alignment of screens
… screen and surface I suggest, through a study of biodetection and assistance dogs, how to qualify or texture screens within webs of relations. I further outline, with snapshots of my workplace and two screens named Vig and Ben, two modes of touching or un/en/folding their locations. Finally, with …
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Consistent Fabrication of Ultrasmall PLGA Nanoparticles and their Potential Biomedical Applications
… biomedical areas such as drug and gene delivery, biodetection of pathogens or proteins, and tissue engineering. The aim of this study was to fabricate ultrasmall poly-(lactic-co-glycolic acid) nanoparticles (PLGA NPs) using a quick and easy nanoprecipitation method1, with some modifications, for …
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Study of Dynamics on the Interfaces of Carbon-Based Nanomaterials and Nanobiosensor
… the nanodevices designed for drug delivery and biodetection. To study properties of the surface at nanoscales poses challenges to current detection techniques, such as infrared absorption spectroscopy (IR) and transmission electron microscopy (TEM). They are either not appropriate for detecting …
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Microfabricated Acoustic Sensors for the Detection of Biomolecules
… platform, a specific and high affinity biodetection platform must be optimized, and the microfabricated sensors must be designed to have high sensitivity and maintain good performance in a liquid environment. A biomolecular sensing system that uses high affinity peptide aptamers and a …
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Upconversion luminescence in Er-codoped NaYF4 nanoparticles
… bring forward developments in biomedicine and -biodetection. Despite the fact that among various fluoride based upconversion (UC) phosphors lanthanide doped NaYF4 is one of the most studied upconversion nanomaterial, many open questions are still remaining concerning the interplay of the …
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Thermally modulated solidly mounted resonators for applications in biosensing
… is due to a change in temperature or successful biodetection. Therefore, biosensing using these acoustic resonators must be performed in a thermally stable environment to ensure accuracy. In this thesis, heating was used to achieve thermal control in these acoustic devices. The ovenization …
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Photogating Effect and Diffractive Optics in Low-Dimensional Structures
The development of nanostructures is the driving force of many scientific and technological fields. Among these myriad applications, important technologies such as advanced detection and ranging capabilities for infrared wavelengths and enhanced sensing of chemical molecules have been obtained …
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Integrated cellular systems
The generation of new three-dimensional (3D) matrices that enable integration of biomolecular components and whole cells into device architectures, without adversely altering their morphology or activity, continues to be an expanding and challenging field of research. This research is driven by the …