Sökning: "Magnetic biosensors"

Visar resultat 1 - 5 av 12 avhandlingar innehållade orden Magnetic biosensors.

  1. 1. Magnetic Nanoparticle Based Biosensors for Pathogen Detection and Cancer Diagnostics

    Författare :Bo Tian; Mattias Strömberg; Peter Svedlindh; Hakho Lee; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Magnetic biosensors; magnetic nanoparticles; homogeneous assays; volumetric sensing; Engineering Science with specialization in Solid State Physics; Teknisk fysik med inriktning mot fasta tillståndets fysik;

    Sammanfattning : This thesis describes several magnetic nanoparticle (MNP)-based biosensing strategies which take advantage of different magnetic sensors, molecular tools and nanotechnologies. Proposed biosensors can be classified into three groups, i.e., immunoassay-based, molecular amplification-based, and nanoparticle assembly-based. LÄS MER

  3. 2. Molecular Diagnostics Using Volume-Amplified Magnetic Nanobeads : Towards the Development of a Novel Biosensor System

    Författare :Mattias Strömberg; Maria Strømme; Peter Svedlindh; Mikkel Fougt Hansen; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Magnetic Biosensors; Ferrofluid; Biofunctionalisation; Ferrofluidic Aging; Interbead Interactions; Magnetic Nanobeads; Complex Magnetisation; Brownian Relaxation; Padlock Probes; Rolling Circle Amplification; Engineering physics; Teknisk fysik;

    Sammanfattning : Micro- or nanometer sized magnetic particles (beads) currently have a vast range of life science applications in, for example, bioseparation techniques, cancer therapy, development of contrast agents and biosensing techniques. In the latter field, magnetic beads offer several unique advantages, including minimal background signals, physical and chemical stability and low manufacturing costs. LÄS MER

  4. 3. Integrated microsystems for continuous glucose monitoring, interstitial fluid sampling and digital microfluidics

    Författare :Federico Ribet; Niclas Roxhed; Göran Stemme; Boris Stoeber; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Microelectromechanical systems MEMS ; biosensors; biomedical devices; continuous glucose monitoring CGM ; glucose sensors; microneedles; interstitial fluid sampling; minimally-invasive technologies; electrochemical sensors; heterogeneous integration; wire bonding; magnetic assembly; electrowetting-on-dielectric EWOD ; digital microfluidics; ionic liquids; gas sensors; optical switches; laser shutters.; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : Interdisciplinary research between medicine and microsystem engineering creates new possibilities to improve the quality of life of patients or to further enhance the performance of already existing devices. In particular, microsystems show great potential for the realization of biosensors and sampling devices to monitor bioanalytes with minimal patient discomfort. LÄS MER

  5. 4. Synthesis of ZnO and transition metals doped ZnO nanostructures, their characterization and sensing applications

    Författare :Chan Oeurn Chey; Magnus Willander; Omer Nour; Andrej Kuznetsov; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Synthesis ZnO nanostructures; TM-doped ZnO NRs; Hydrothermal method; Biosensors; Piezoresistive sensors; UV photodetectors; Diluted magnetic semiconductors;

    Sammanfattning : Nanotechnology is a technology of the design and the applications of nanoscale materials with their fundamentally new properties and functions. Nanosensor devices based on nanomaterials provide very fast response, low-cost, long-life time, easy to use for unskilled users, and provide high-efficiency. LÄS MER

  7. 5. Biosensing platforms using graphene based bioreactive nanostructures with various dimensions

    Författare :Yuanyuan Han; Klaus Leifer; Jöns Hilborn; Hu Li; Boukherroub Rabah; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Graphene; nanoparticles; nanostructure; biosensors;

    Sammanfattning : Nanomaterials have brought new aspects and improvements to the biosensing field due to their unique physical and chemical properties that are not shown in the bulk state. This thesis focuses on concepting, developing and testing of biosensors where nanomaterials including graphene gold nanoparticles (AuNPs) and magnetic nanoparticles (MNPs) constitute the biosensors. LÄS MER