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    Polyelectrolyte Layer-by-Layer Assembly on Organic Electrochemical Transistors

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    2016_Pappa_Inal_LBL_ACS_interfaces_Manuscript.pdf
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    Description:
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    Type
    Article
    Authors
    Pappa, Anna-Maria
    Inal, Sahika cc
    Roy, Kirsty
    Zhang, Yi
    Pitsalidis, Charalampos
    Hama, Adel
    Pas, Jolien
    Malliaras, George G. cc
    Owens, Roisin M.
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Bioscience Program
    Date
    2017-03-16
    Online Publication Date
    2017-03-16
    Print Publication Date
    2017-03-29
    Permanent link to this record
    http://hdl.handle.net/10754/623060
    
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    Abstract
    Oppositely charged polyelectrolyte multilayers (PEMs) were built up in a layer-by-layer (LbL) assembly on top of the conducting polymer channel of an organic electrochemical transistor (OECT), aiming to combine the advantages of well-established PEMs with a high performance electronic transducer. The multilayered film is a model system to investigate the impact of biofunctionalization on the operation of OECTs comprising a poly(3,4-ethylenedioxythiophene) polystyrenesulfonate (PEDOT:PSS) film as the electrically active layer. Understanding the mechanism of ion injection into the channel that is in direct contact with charged polymer films provides useful insights for novel biosensing applications such as nucleic acid sensing. Moreover, LbL is demonstrated to be a versatile electrode modification tool enabling tailored surface features in terms of thickness, softness, roughness, and charge. LbL assemblies built up on top of conducting polymers will aid the design of new bioelectronic platforms for drug delivery, tissue engineering, and medical diagnostics.
    Citation
    Pappa A-M, Inal S, Roy K, Zhang Y, Pitsalidis C, et al. (2017) Polyelectrolyte Layer-by-Layer Assembly on Organic Electrochemical Transistors. ACS Applied Materials & Interfaces. Available: http://dx.doi.org/10.1021/acsami.6b15522.
    Sponsors
    This work was supported by the Marie Curie ITN project OrgBio No. 607896 and the Agence Nationale de la Recherche 3Bs project. The authors are grateful to Alberto Salleo for fruitful discussions and to NeuroSys for the kind gift of mRNA.
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Applied Materials & Interfaces
    DOI
    10.1021/acsami.6b15522
    Additional Links
    http://pubs.acs.org/doi/abs/10.1021/acsami.6b15522
    ae974a485f413a2113503eed53cd6c53
    10.1021/acsami.6b15522
    Scopus Count
    Collections
    Articles; Biological and Environmental Sciences and Engineering (BESE) Division; Bioscience Program

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