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  • Development and Implementation of JetNet : A Decentralized Wireless Sensing Protocol

    Creator:
    Goins, Justin B.
    Abstract:
    Modern sensor network applications are often implemented wirelessly in order to lessen installation costs and reduce deployment times. Unfortunately, these wireless sensor network (WSN) nodes must often rely on batteries or energy harvesting techniques in order to sustain their operation and supply the power needed to maintain communication within the...
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    Dissertation
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    order to lessen installation costs and reduce deployment times. Unfortunately, these wire- less sensor

  • Optical Sensors using Biological Photonic Crystals

    Creator:
    Squire, Kenneth James
    Abstract:
    This dissertation focuses on the application of diatom frustules, the biosilica shell of an algae possessing physical and photonic properties capable of enhancing optical signals, for the enhancement of optical sensing. In this work, we incorporate diatom frustules into biosensors for signal enhancement and improved target molecule detection. The potential...
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    Dissertation
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    enhancement using external manipulation (a), chemical crosslinkers (b) and physical spacers (c

  • Polymeric submicron optical ion-selective sensors

    Creator:
    Bychkova, Valeriya
    Abstract:
    Ion-selective polymeric optical sensors – ion optodes – are a promising alternative to ion-selective electrodes and fluorescent dyes for analytical and biological applications, e.g. extra- and intracellular measurements. They are non-toxic, highly selective robust probes for ionic fluxes monitoring. A large-scale fabrication of ion optodes using a solvent displacement method...
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    Dissertation
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    , M.A. Sensors and Actuators B 1998, 51, 12–16. (12) Clark, H. A., Hoyer, M., Philbert, M.A

  • Data acquisition techniques for next generation wireless sensor networks

    Creator:
    Ehsan, Samina
    Abstract:
    The meteoric rise and prevalent usage of wireless networking technologies for mobile communication applications have captured the attention of media and imagination of public in the recent decade. One such proliferation is experienced in Wireless Sensor Networks (WSNs), where multimedia enabled elements are fused with integrated sensors to empower tightly...
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    Dissertation
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    - pensive compared to traditional sensors. These sensor nodes can sense, measure, and gather information

  • Non-enzymatic electrochemical sensors based on functionalized nanomaterials

    Creator:
    Wu, Bo
    Abstract:
    Unlike other biosensing, electrochemical biosensor has the advantages of robustness, easy miniaturization, excellent detection limits, and capability in handling small analyte volumes. The detection selectivity of the electrochemical biosensors is mainly supported by bioreceptors. However, these receptors always suffer from the performance variation caused by the environment and the thermal-...
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    Dissertation
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    monomer for preparing electrodeposited MIP sensors (Figure 1.11), which have high chemical and

  • Advanced propulsion systems for linear motion with high performance requirements

    Creator:
    Zhou, Xiaolin
    Abstract:
    Traditionally linear actuator applications are addressed by the use of hydraulic systems. The high maintenance cost and poor reliability will always be the most critical problem in the real applications. Benefited from both the high mechanical advantage of the roll screw and the simple structure of the switched reluctance motor,...
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    Dissertation
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    -mechanical actuators ("EMAs"), electro-hydrostatic actuators ("EHAs"), and integrated actuator packages

  • Low power receivers for wireless sensor networks

    Creator:
    Ni, Ronghua
    Abstract:
    Wireless sensor networks are becoming important in several monitoring and sensing applications. Ultra low power consumption in the sensor nodes is important for extending the battery life of the nodes. In this dissertation, two low power BFSK receiver architectures are proposed and verified with prototype implementations in silicion. A 2.4...
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    Dissertation
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    wireless sensor networks. (a) OOK receiver with power-detection and (b) super-regenerative archi­

  • Per- and Polyfluoroalkyl Substances (PFAS): Protein Binding and Partitioning and Sorption in Light Non-Aqueous Phase Liquids

    Creator:
    Christie, Emerson C.
    Abstract:
    Per- and polyfluoroalkyl substances (PFAS) are anthropogenic surfactants that have recently been identified as persistent organic pollutants. These so called “Forever Chemicals” have been detected in drinking waters, ground waters, soils, and consumer and industrial products globally; with environmental impacts stretching into the artic, far from known PFAS sources. The...
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    Dissertation
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    protein) vs free concentration of PFAS (μmol/L) (A) PFHxA and (B) PFNA with PPAR–α.…………………………44

  • Studies on the marine chemistry of reduced trace gases

    Creator:
    Lilley, Marvin Douglas
    Resource Type:
    Dissertation
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    , CO and N20 and supporting chemical and microbiological data from various marine environments are

  • Sensor Interface Circuit Design towards CMOS Scaling

    Creator:
    Liu, Jialin
    Abstract:
    Sensor system plays an important role in connecting everything including human body to the electrical information systems that we have built and that we are going to build, to make the world more intelligent and efficient. One of the key propulsive forces behind these emerging techniques is CMOS scaling that...
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    Dissertation
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    .............................................................................................. 31 3.1 Wireless sensor structure with: (a) conventional front-end and DSP, (b) compressed sensing