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Filtering by: Committee Member Johnston, Matthew Remove constraint Committee Member: Johnston, Matthew Decade 2010-2019 Remove constraint Decade: 2010-2019

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  • Reversible Covalent Immobilization of Desferrioxamine B (DFOB) on Aminated Polystyrene Beads for Citrate-Bound Fe(III) Chelation

    Creator:
    Touma, Jad G.
    Abstract:
    The immobilization of chelators to solid supports has recently gained renewed interest due to the increasing biomedical and environmental applications made possible by these molecules’ ability to bind Fe(III) and other metal ions. The uses of immobilized chelators have expanded to include the treatment of metal overload in serum, the...
    Resource Type:
    Masters Thesis

  • High frequency hysteresis characterization of magnetic nanoparticles

    Creator:
    Whitaker, Colby
    Abstract:
    Hyperthermia is a cancer therapy that relies on the local heating of a cancerous tumor to kill cancer cells and disrupt the future growth of the tumor. While hyperthermia is capable of killing tumors separately, physicians often combine it with other treatment methods, typically radiation therapy, for its synergistic effects...
    Resource Type:
    Capstone Project

  • Active Noise Shaping Analog-to-Digital Data Converters

    Creator:
    Shi, Lukang
    Abstract:
    Successive-approximation-register (SAR) analog-to-digital converters are popular for medium accuracy, medium speed and low power applications, such as in biomedical applications. They have low latency and simple architecture compared with ΔΣ ADCs. This is because of SAR ADCs’ binary searching scheme. Furthermore, SAR ADCs can apply oversampling and noise shaping schemes...
    Resource Type:
    Dissertation
    Full Text:
    and Prof. Moon as my advisors. I really appreciate Professor Matthew Johnston, Professor Tejasvi

  • Exploring IMU Attitude and Position Estimation for Improved Location in Indoor Environments

    Creator:
    Zhang, Shengkai
    Abstract:
    Wearable sensors with an inertial measurement unit (IMU) are popular for indoor positioning and activity pattern detection. The IMUs can be connected to a wireless transmission module, allowing users to monitor and process motion-related parameters remotely. Because of the complexity and uncertainty of signals in indoor environments, a radio frequency...
    Resource Type:
    Masters Thesis

  • Electrospray Deposition of Discrete Nanoparticles: Studies on Pulsed-Field Electrospray and Analytical Applications

    Creator:
    Kremer, Matthew H.
    Abstract:
    Electrospinning and electrospray are both nano-scale material fabrication techniques, based on related phenomena of electrically charged fluid spray from a droplet of liquid. Material is dissolved in liquid, then a spray is generated by applying a high voltage, creating an electric field, between the fluid dispensing capillary and a grounded...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Matthew H. Kremer for

  • Hacking RFID Tags to Produce Economical Soil Moisture Sensors

    Creator:
    Stoddard, Brett S.
    Abstract:
    Currently available soil moisture sensors have intrinsic limitations that limit their adoption by industry. Depending on the technology, these limitations may include high costs, battery requirements, precice manual installation, high cost, and/or constrictive legislation that regulates their use. A passive soil moisture sensing system based around RFID technology would allay...
    Resource Type:
    Honors College Thesis
    Full Text:
    Engineering _____________________________________________________________________ Matthew Johnston

  • A Fully Integrated Bio-potential Low-noise Amplifier Utilizing Capacitor Multipliers

    Creator:
    Yong, OnnLim
    Abstract:
    In any biomedical signal acquisition system, a front-end amplifier is needed to amplify low amplitude bio-signals while filtering out any unwanted low-frequency artifacts. The design of low frequency poles within the sub-Hz range implies very large time-constants which goes against system integrability. In recent years, the pseudo resistor has been...
    Resource Type:
    Masters Thesis
    Full Text:
    thanks to my committee members, Professors Un-Ku Moon, Matthew Johnston, and Len Coop for taking the

  • UWB Low Power RF System for Localization

    Creator:
    Sheokand, Anoop
    Abstract:
    Real time indoor positioning awareness systems aim to add localization capabilities to upcoming wireless technologies that are quickly becoming an important feature for indoor environment. RF-based impulse-radio ultra-wideband (IR-UWB) is a promising technology for in-door positioning systems due to obstacle penetration capabilities, immunity to multi-path and fading, and high resolution....
    Resource Type:
    Masters Thesis
    Full Text:
    grateful to Professor Matthew Johnston, and Tejasvi Anand for serving as committee members for my final

  • An Inductor-Less Multiple Input Single Output (MISO) Energy Harvester Achieving 74.6% Efficiency with Simultaneous MPPT

    Creator:
    Devaraj, Abhishekh
    Abstract:
    This work presents an inductor less switched capacitor based energy harvester, which can simultaneously harvest from 2 energy sources (Solar + Piezo). The proposed harvester employs 2D maximum power point tracking algorithm, by changing the conversion ratios of the charge pumps for piezo and solar sources, and 1D voltage regulation...
    Resource Type:
    Masters Thesis
    Full Text:
    . Arun Natarajan, Dr. Matthew Johnston and Dr. Sharmodeep Bhattacharyya for taking your time to serve on

  • Ballistic rebounds for wrapping a target with a casting manipulator

    Creator:
    Hill, Lucas P.
    Abstract:
    Casting manipulation in robotics is the act of launching a tethered projectile and using it to interact with the environment. One such interaction is wrapping a target. In this work, we identify throwing and tether control parameters for successfully wrapping a target with an end-weighted cable, evolving through a set...
    Resource Type:
    Masters Thesis
    Full Text:
    acknowledge my adviser Dr. Ross Hatton and my committee, Dr. Ravi Balasubramanian, Dr. Matthew Johnston, and