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Functionalised magnetic nano- and microspheres for molecular diagnostic applications

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F07%3A00020500" target="_blank" >RIV/00216224:14310/07:00020500 - isvavai.cz</a>

  • Alternative codes found

    RIV/61389013:_____/07:00090453

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Functionalised magnetic nano- and microspheres for molecular diagnostic applications

  • Original language description

    Magnetic microspheres (P(HEMA-co-EDMA), P(HEMA-co-GMA), and PGMA with hydrophilic properties were prepared by single-step dispersion polymerisation. Sterically or electrostatically stabilised colloidal magnetite was obtained by precipitation of Fe2+ andFe3+ salts and encapsulated by dispersion (co)polymerisation of HEMA and GMA. Several enzymes, such as RNase A, DNase I, proteinase K and Salmonella antibodies were immobilised on the microspheres and their applicability in degradation of bacterial RNA,chromosomal and plasmid DNA, magnetic separation of Salmonella cells or degradation of their intracellular inhibitors was demonstrated. Genomic DNA was successfully isolated from cell lysates on weakly acid derivatives of magnetic P(HEMA-co-EDMA) and P(HEMA-co-GMA) microspheres in the presence of PEG 6000 and sodium chloride.

  • Czech name

    Funkcionalizované magnetické nano- a mikročástice pro molekulárně diagnostické aplikace

  • Czech description

    Magnetické mikročástice (P(HEMA-co-EDMA), P(HEMA-co-GMA) a PGMA s hydrofilními vlastnostmi byly připraveny jednostupňovou dispersní polymerizací. Stericky nebo electrostaticky stabilizovaný koloidní magnetit byl připraven srážením Fe2+ a Fe3+ solí a bylenkapsulován dispersní (ko)polymerizací HEMA a GMA. Na mikročástice byly imobilizovány enzymy RNasa A, DNasa I, proteinasa K a protilátky proti Salmonella. Jejich aktivita byla ověřena pomocí degredace bakteriální RNA, chromosomální a plazmidové DNA, magnetické separace buněk Salmonella nebo degradací jejich intracelulárních inhibitorů PCR. Genomová DNA byla úspěšně izolována z hrubých lyzátů buněk pomocí magnetických mikročástic P(HEMA-co-EDMA) a P(HEMA-co-GMA) v přítomnosti vysoké koncentrace PEG 6000a chloridu sodného.

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    EB - Genetics and molecular biology

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2007

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Biopowders; Advances in the Powder Technology

  • ISBN

    978-963-9696-23-5

  • ISSN

  • e-ISSN

  • Number of pages

    9

  • Pages from-to

    116-124

  • Publisher name

    Research Institute of Chemical and Process Enginnering, University of Pannonia, Veszprém, Hungary

  • Place of publication

    Budapest, Hungary

  • Event location

    Budapest

  • Event date

    Sep 13, 2007

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article