Browsing Auburn Theses and Dissertations by Author "Zhan, Wei"

Now showing items 1-20 of 23

Applications of Bipolar Electrochemistry for Characterization of Electrocatalysts and the Development of Biosensors

Wang, Buhua (2020-07-17)

Bipolar electrochemistry, which is an untraditional technique where redox reaction happens on the surface of a conducting object (BPE) that immersed in an electrolyte solution wirelessly connected with an external power ...

Automated microfluidic device development for metabolism, nutrient uptake, and hormone secretion analyses of primary endocrine tissues

Li, Xiangpeng (2017-07-25)

Pancreatic islets secret the dominant endocrine hormone, insulin, which controls the metabolic function fo nearly all other organ systems. Additionally, adipose tissue (fat) is now understood to be a complex, multicellular ...

Biocatalytically And Photoelectrochemically Driven Active Motion of Liposomes

Jin, Hui (2023-02-17)

Self-propelled artificial micro/nanomotors are currently attracting increased interest as not only mimics of biological motors but also potential components of nanomachinery, robotics, and sensing devices. In regards to ...

Bipolar Electrochemistry: Chemical Analysis Based on Electrochemiluminescence and Surface Enhanced Raman Spectroscopy

Fan, Sanjun (2015-07-24)

Bipolar electrochemistry has a variety of applications ranging from chemical analysis, material modification and synthesis, to generate motions, etc, and it is also a very simple, cheap, useful technology. The main goal ...

Characterization of Two-component Organothiol Mixed Monolayers on Gold and Quantification of Nonspecific Adsorption on Mixed Sam Biosensor Platforms Using Electrochemical Enzyme Immunoassay

Liu, Huiqing (2007-05-15)

Self-assembled monolayer (SAM) technology provides a simple and useful way to functionalize biosensors. The formation and characterization of SAM monolayers are briefly reviewed in Chapter One. Several selected examples ...

Chemically Modified Electrodes: A Supramolecular Assembly Approach

Xin, Junhua (2008-12-15)

The main objective of this dissertation is to design and study new superamolecular assemblies for membrane separation, sensing and catalysis applications. Three types of supramolecular assemblies will be addressed including ...

Dual Mode Redox-Responsive MRI Contrast Agents

Polander, Hillary (2022-08-05)

Magnetic resonance imaging (MRI) contrast agents function by shortening the relaxation times of targeted nuclei, thereby better distinguishing regions with different local concentrations of the visualized nuclei. ...

Electrocatalytic and Antibacterial Applications of Sandwich Type Polyoxometalates

Sankarraj, Anand (2008-12-15)

The primary goal of this dissertation is to study the structure-property relationship of sandwich type polyoxometalates and to employ these versatile molecules in electrocatalytic applications such as oxygen generation and ...

Electrochemically Triggered Interfacial Deposition/Assembly of Materials

Iqbal, Md Shamim (2020-07-20)

Presented in this Dissertation is a new electrochemical methodology for surface deposition and interfacial assembly of materials. Using ferrocene-terminated self-assembled monolayers to electrochemically recruit polyelectrolytes ...

Exploration of 3D Phage-Based Biomolecular Filter for Filtration of Foodborne Pathogens in Large Volume of Liquid Streams

Du, Songtao (2020-07-16)

A three-dimensional phage-based biomolecular filter (3D filter) was designed and developed to capture, concentrate, and isolate foodborne pathogens from large volume of liquid streams with high throughput, such as liquid ...

Giant Janus Liposomes: Preparation, Self-Assembly and Motion

Liu, Zening (2020-07-17)

Presented in this Dissertation are a series of studies on Janus liposomes, their formation, self-assembly and motion behaviors. Liposomes are closed, spherical lipid bilayer assemblies dispersed in water. Since their ...

Investigations of the Counter-Intuitively Short Lifetimes of the Visible Emission from Laser-Induced Plasma from RDX

McMullan, Daniel (2020-05-18)

Abstract Through multiple studies on laser generated plasmas of materials, four phenomena have been curious and unexplainable regarding the non-energetic material polycarbonate (PC) and energetic material ...

JANUS LIPOSOMES: DESIGN, FORMATION AND ACTIVE MOTION

Cui, Jinyan (2023-03-08) ETD File Embargoed

The liposome is an amphiphilic molecule that contains both a hydrophilic head and a hydrophobic tail. As a class of biocompatible, water-dispersed colloids, liposomes have found widespread applications ranging from food ...

Microfluidic Circuit Designs for Nanoliter-Scale Flow Control and Highly Sensitive Quantitative Bioanalysis

Negou Negou, Jean (2017-12-04)

Within this dissertation, we have developed several new microfluidic circuit components that permit precise flow control at the nanoliter scale, and we have demonstrated their successful applications in either proof-of-concept ...

Molecular Photovoltaic Systems Based on Phospholipids/Alkanethiol Hybrid Bilayer Membranes: Photocurrent Generation and Modulation

Xie, Hong (2012-07-23)

Biological membranes offer an ideal place to assemble necessary components for plant photosynthesis in nature and suggest new strategies to build artificial photosynthetic systems by using lipid bilayers. In this ...

Molecular Photovoltaic Systems Based on Solid-Supported Phospholipids/Alkanethiol Hybrid Bilayer Matrices: Photocurrent Generation and Modulation

Liu, Lixia (2013-07-19)

Stimulated by the energy crisis and inspired by natural photosynthesis, several molecular photovoltaic (artificial photosynthetic) systems were developed and investigated within the current research. These molecular ...

New Concepts in Surface Modification for Biosensor Application-Polyaniline and Bacteriophage Surface Modification

Zhang, Hongxia (2008-12-15)

Polyaniline is one of the most promising conductive polymers for technological applications because of its unique electrooptical properties, ease of synthesis and low cost. An additional attribute is that polyanilines can ...

Novel Lipid Nanoassemblies with Advanced Functionality: Design, Photosynthesis Mimicking and Self-Assembly

Wang, Mingming (2017-07-31)

Model lipid membranes have attracted considerable attention over the past several decades. They are ideal biomimetic models for studying cells and cellular processes. Due to their unique properties and functional versatility, ...

Photoreduction of Chlorinated Organic Pollutants Using Solutions or Films of a Polymeric System via a Free Radical Mechanism

Islam, MD (2018-07-27)

Efficient reduction of chlorinated organics took place upon exposure to 350 nm photons in aqueous solutions containing sulfonated poly(ether etherketone), SPEEK, and either poly(vinyl alcohol), PVA, or HCO2H/HCO2- buffers. ...

Platinum nanoparticle-polyoxometalate based bimetallic catalyst for proton exchange membrane fuel cell and bipolar electrodeposition based combinatorial material library applied in sensors and energy systems

Ramaswamy, Rajakumari (2012-05-01)

The first part of chapter 1 summarizes the reports on the improved oxygen reduction reaction (ORR) kinetics on Pt-bimetallic catalysts used in proton exchange membrane fuel cell (PEMFC). An account on the significance of ...