Browsing Waterloo Institute for Nanotechnology by Title
Now showing items 28-47 of 193
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Cellulose nanocrystals in smart and stimuli-responsive materials: a review
(Elsevier, 2020-03)“Smart” stimuli-responsive materials have been the subject of decades of research because of their versatility and particularly their use in medical and sensing applications. While these materials are often composed ... -
Chalcogenides as thermoelectric materials
(Elsevier, 2019-02)Thermoelectric materials can be utilized to generate electricity from a temperature gradient, thereby recycling the nowadays abundant waste heat, as well as for cooling applications by creating a temperature gradient from ... -
Characterization of glucose oxidation by gold nanoparticles using nanoceria
(Elsevier, 2014-04-30)Gold nanoparticles (AuNPs) can oxidize glucose, producing hydrogen peroxide and gluconic acid, which are the same products as those generated by glucose oxidase (GOx). In this regard, AuNPs are a nanozyme. Herein, a new ... -
Citrate inhibition of cisplatin reaction with DNA studied using fluorescently labeled oligonucleotides: implication for selectivity towards guanine
(Royal Society of Chemistry, 2013-10-21)The reaction between cisplatin and DNA is conveniently studied using fluorescently labeled oligonucleotides and gel electrophoresis; as an example of application, the inhibition of this reaction by citrate is demonstrated, ... -
A Cleavable Molecular Beacon for Hg2+ Detection based on Phosphorothioate RNA Modifications
(American Chemical Society, 2015-06-10)Mercury is a highly toxic heavy metal, and detection of Hg2+ by biosensors has attracted extensive research interest in the past decade. In particular, a number of DNA-based sensing strategies have been developed. Well-known ... -
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 ... -
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 ... -
A Comprehensive Screen of Metal Oxide Nanoparticles for DNA Adsorption, Fluorescence Quenching, and Anion Discrimination
(American Chemical Society, 2015-10-22)Although DNA has been quite successful in metal cation detection, anion detectioin remains challenging because of the charge repulsion. Metal oxides represent a very important class of materials, and different oxides might ... -
Computationally Efficient Field-Theoretic Simulations for Block Copolymer Melts
(American Chemical Society, 2019-11-12)Field-theoretic simulations (FTS) provide fluctuation corrections to self-consistent field theory (SCFT) by simulating its field-theoretic Hamiltonian rather than applying the saddle-point approximation. Although FTS work ... -
Consequences of cytochrome c oxidase assembly defects for the yeast stationary phase
(Elsevier, 2018-06-01)The assembly of cytochrome c oxidase (COX) is essential for a functional mitochondrial respiratory chain, although the consequences of a loss of assembled COX at yeast stationary phase, an excellent model for terminally ... -
Controlling the sustainability and shape change of the zinc anode in rechargeable aqueous Zn/LiMn2O4 battery
(Elsevier, 2018-11-01)The use of thixotropic gel electrolytes in the rechargeable hybrid aqueous battery improves the battery performance but it is required to have a corrosion inhibitor in the gel electrolyte. These inhibitors are not always ... -
Correlation of photobleaching, oxidation and metal induced fluorescence quenching of DNA-templated silver nanoclusters
(Royal Society of Chemistry, 2013-04-07)Few-atom noble metal nanoclusters have attracted a lot of interest due to their potential applications in biosensor development, imaging and catalysis. DNA-templated silver nanoclusters (AgNCs) are of particular interest ... -
Covalent linking DNA to graphene oxide and its comparison with physisorbed probes for Hg2+ detection
(Elsevier, 2016-05-15)Graphene oxide (GO) has attracted extensive research interest as a platform for DNA adsorption and biosensor development. While most researchers use simple physisorption of fluorescently labeled DNA, covalent sensors are ... -
Cr3+ Binding to DNA Backbone Phosphate and Bases: Slow Ligand Exchange Rates and Metal Hydrolysis
(American Chemical Society, 2017-06-07)The interaction between chromium ions and DNA is of great interest in inorganic chemistry, toxicology, and analytical chemistry. Most previous studies focused on in situ reduction of Cr(VI), producing Cr3+ for DNA binding. ... -
Degradable starch nanoparticle assisted ethanol precipitation of DNA
(Elsevier, 2014-04-18)Precipitation of DNA from a large volume of aqueous solution is an important step in many molecular biology and analytical chemistry experiments. Currently, this is mainly achieved by ethanol precipitation, where a long-term ... -
Design and development of pH-responsive polyurethane membranes for intravaginal release of nanomedicines
(Elsevier, 2018-12-01)The objective of this study was to develop and characterize a novel intravaginal membrane platform for pH-triggered release of nanoparticles (NPs), which is essential for efficient intravaginal delivery of certain effective ... -
Design Strategy of 2D Material Field-Effect Transistors: Engineering the Number of Layers in Phosphorene FETs
(AIP Publishing, 2016-06-07)Thickness or the number of layers in 2D semiconductors is a key parameter to determine the material’s electronic properties and the overall device performance of 2D material electronics. Here we discuss the engineering ... -
Design, characterization, optical and photophysical properties of novel thiophene monomers and polymers containing pyrene moieties linked via rigid and flexible spacers
(Elsevier, 2019-02-01)Herein, we report the synthesis of three novel thiophene monomers connected to pyrene moieties via a flexible oligo(ethylene glycol) (OEG) spacer with an oxygen -to-pyrene (T1), a flexible OEG spacer with an oxygen ... -
Desulfurization Activated Phosphorothioate DNAzyme for the Detection of Thallium
(American Chemical Society, 2015-10-20)Thallium (Tl) is a highly toxic heavy metal situated between mercury and lead in the periodic table. While its neighbors have been thoroughly studied for DNA-based sensing, little is known about thallium detection. In this ...