Browsing University of Waterloo by Subject "Nanoparticles"
Now showing items 1-20 of 30
-
Additive Manufacturing of High Temperature Strain Gauges
(University of Waterloo, 2018-12-10)Additive manufacturing (AM) is quickly leading a new revolution in manufacturing. Aerosol ink jet printing (AJP) is a non-contact printing method that allows for printing on irregular substrates. When paired nanoparticulate ... -
Assembly of DNA-Functionalized Nanoparticles in Alcoholic Solvents Reveals Opposite Thermodynamic and Kinetic Trends for DNA Hybridization
(American Chemical Society, 2010-05-12)DNA has been a key molecule in biotechnology and nanotechnology. To date, the majority of the experiments involving DNA have been performed in aqueous solutions, which may be related to the perception that DNA hybridization ... -
Co-immobilization of multiple enzymes by metal coordinated nucleotide hydrogel nanofibers: improved stability and an enzyme cascade for glucose detection
(Royal Society of Chemistry, 2016-03-21)Preserving enzyme activity and promoting synergistic activity via co-localization of multiple enzymes are key topics in bionanotechnology, materials science, and analytical chemistry. This study reports a facile method for ... -
Cobalt Decorated Hierarchical Porous Carbon Spheres for High Sulfur Loading Lithium Sulfur Batteries
(University of Waterloo, 2019-09-20)With the growing need of energy storage devices, the market shows a strong requirement of lithium-based batteries. Nowadays, Lithium ion batteries (LIBs) are dominating the battery field because of its high energy density ... -
Comparison of Graphene Oxide and Reduced Graphene Oxide for DNA Adsorption and Sensing
(American Chemical Society, 2016-10-18)Fluorescently labeled DNA adsorbed on graphene oxide (GO) is a well-established sensing platform for detecting a diverse range of analytes. GO is a loosely defined material and its oxygen content may vary depending on the ... -
Comparison of MoS2, WS2, and Graphene Oxide for DNA Adsorption and Sensing
(American Chemical Society, 2017-01-17)Interfacing DNA with two-dimensional (2D) materials has been intensely researched for various analytical and biomedical applications. Most of these studies have been performed on graphene oxide (GO) and two metal ... -
Development of Microparticles Created from Physically Modified Starch Granules for the Uptake and Release of Drugs
(University of Waterloo, 2021-01-07)Controlled release drug delivery systems are, depending on the desired effect, generally an improvement over conventional drug delivery. Through material design, drugs can be delivered with temporal and spatial control, ... -
Distinction of Individual Lanthanide Ions with a DNAzyme Beacon Array
(American Chemical Society, 2016-06-24)Developing chemical probes to distinguish each lanthanide ion is a long-standing challenge. Aside from its analytical applications, solving this problem will also enhance our knowledge in metal ligand design. Using in vitro ... -
DNA-Functionalized Monolithic Hydrogels and Gold Nanoparticles for Colorimetric DNA Detection
(American Chemical Society, 2010-12-22)Highly sensitive and selective DNA detection plays a central role in many fields of research, and various assay platforms have been developed. Compared to homogeneous DNA detection, surface-immobilized probes allow washing ... -
Dynamic Surface Tension as a Probe of Irreversible Adsorption of Nanoparticles at Fluid-Fluid Interfaces
(University of Waterloo, 2013-04-26)Adsorption-mediated self-assembly of nanoparticles at fluid interfaces, driven by reduction in interfacial energy, leads to stabilization of emulsions and foams and can be used for the bottom-up fabrication of functional ... -
Effects of Nanoparticle Interfacial Additives on Phase Inversion of Pickering Emulsions
(University of Waterloo, 2020-01-24)Understanding the effects of interfacial additives such as surface-active nanoparticles on phase inversion of Pickering emulsions is important from a practical point of view. In this work, we studied the effects of ... -
Efficient Triplet Exciton Fusion in Molecularly Doped Polymer Light-Emitting Diodes
(Wiley, 2017-04-04)Solution-processed polymer organic light-emitting diodes (OLEDs) doped with triplet-triplet annihilation (TTA)upconversion molecules, including 9,10-diphenylanthracene, perylene, rubrene and TIPS-pentacene, are reported. ... -
Electrokinetic motion of single nanoparticles in single PDMS nanochannels
(Springer, 2017-01)Electrokinetic motion of single nanoparticles in single nanochannels was studied systematically by image tracking method. A novel method to fabricate PDMS-glass micro/nanochannel chips with single nanochannels was presented. ... -
Förster Resonance Energy Transfer Mediated White-Light-Emitting Rhodamine Fluorophore Derivatives-Gamma Phase Gallium Oxide Nanostructures
(University of Waterloo, 2012-09-26)The global lighting source energy consumption accounts for about 22% of the total electricity generated. New high-efficiency solid-state light sources are needed to reduce the ever increasing demand for energy. Single-phased ... -
Hydrophobic Engineering of a Bacterial Nanodimensional Capsule Protein
(University of Waterloo, 2017-07-07)Recently, numerous protein-based nanomedicine platforms have been intensively explored. These systems are usually composed of self-assembling proteins that form controllable systems with different shapes and types. A ... -
In Vitro Selection in Serum: RNA-Cleaving DNAzymes for Measuring Ca2+ and Mg2+
(American Chemical Society, 2016-05-27)RNA-cleaving DNAzymes have been attempted as in vivo analytical probes and gene silencing reagents over the past two decades. Despite progress already achieved, concerns still exist regarding the activity of DNAzymes in ... -
Integration of Nanoparticle Cell Lysis and Microchip PCR as a Portable Solution for One-Step Rapid Detection of Bacteria
(University of Waterloo, 2011-05-20)Bacteria are the oldest, structurally simplest, and most abundant forms of life on earth. Its detection has always been a serious question since the emerging of modern science and technology. There has been a phenomenal ... -
Investigations on Colloidal Synthesis of Copper Nanoparticles in a Two-phase Liquid-liquid System
(University of Waterloo, 2008-09-23)Synthesis of copper nanoparticles by a colloidal recipe in a two-phase liquid-liquid mixture (toluene/water) was investigated. The synthesis recipe used in this work was originally applied for the fabrication of alkylamine-capped ... -
Iron oxide nanozyme catalyzed synthesis of fluorescent polydopamine for light-up Zn2+ detection
(Royal Society of Chemistry, 2016-07-29)Fluorescent polydopamine (FPD) is an interesting material with excellent biocompatibility. However, its preparation is currently a lengthy and potentially dangerous process. We herein employ magnetic iron oxide (Fe3O4) ... -
Laser-based aerosolized nanoparticle diagnostics: Enhancing the spectroscopic model
(University of Waterloo, 2020-05-15)The distinct properties of nanoparticles compared to their bulk counterparts makes them a suitable candidate for the development of many emerging technologies, and this presents a demand for scalable production routes. ...