---
res:
  bibo_abstract:
  - We present a novel, portable sensor platform that enables concurrent monitoring
    of surface mass and charge density variations at thin biointerfaces. This platform
    combines a coplanar-gated field-effect transistor (FET) architecture with grating-coupled
    surface plasmon resonance (SPR), yielding an integrated disposable sensor chip
    prepared by nanoimprint and maskless photolithography techniques. The sensor chip
    design is suitable for scalable production and relies on reduced graphene oxide
    (rGO), serving as the FET’s semiconductor material for the electronic readout,
    and a metallic gate electrode surface that is corrugated with a multi-diffractive
    structure for optical probing with resonantly excited surface plasmons. Together
    with its integration in a compact instrumentation this results in a form factor
    optimized solution for dual-mode investigations without compromising the optical
    or electronic sensor performance. A poly-L-lysine (PLL) – based thin linker layer
    was deployed at the sensor surface to covalently attach azide-conjugated biomolecules
    by using incorporated “clickable” dibenzocyclooctyne (DBCO) moieties. Interestingly,
    the dual-mode measurements allow elucidating the role of the globular nature of
    the PLL chains when increasing the density of DBCO attached to their backbone,
    leading to PLL folding and internalization of DBCO moieties, and thus reducing
    the coupling yield for the used DNA oligomers. We envision that this platform
    can be employed to studying a range of other biointerface architectures and biomolecular
    interaction phenomena, which are inherently tied to mass and charge density variations.@eng
  bibo_authorlist:
  - foaf_Person:
      foaf_givenName: Roger
      foaf_name: Hasler, Roger
      foaf_surname: Hasler
  - foaf_Person:
      foaf_givenName: Pietro A.
      foaf_name: Livio, Pietro A.
      foaf_surname: Livio
  - foaf_Person:
      foaf_givenName: Anil
      foaf_name: Bozdogan, Anil
      foaf_surname: Bozdogan
  - foaf_Person:
      foaf_givenName: Stefan
      foaf_name: Fossati, Stefan
      foaf_surname: Fossati
  - foaf_Person:
      foaf_givenName: Simone
      foaf_name: Hageneder, Simone
      foaf_surname: Hageneder
  - foaf_Person:
      foaf_givenName: Verónica
      foaf_name: Montes-García, Verónica
      foaf_surname: Montes-García
  - foaf_Person:
      foaf_givenName: Jacopo
      foaf_name: Movilli, Jacopo
      foaf_surname: Movilli
  - foaf_Person:
      foaf_givenName: Taghi
      foaf_name: Moazzenzade, Taghi
      foaf_surname: Moazzenzade
  - foaf_Person:
      foaf_givenName: Luna
      foaf_name: Loohuis, Luna
      foaf_surname: Loohuis
  - foaf_Person:
      foaf_givenName: Ciril
      foaf_name: Reiner-Rozman, Ciril
      foaf_surname: Reiner-Rozman
  - foaf_Person:
      foaf_givenName: Adrián
      foaf_name: Tamayo, Adrián
      foaf_surname: Tamayo
  - foaf_Person:
      foaf_givenName: Christine
      foaf_name: Fiedler, Christine
      foaf_surname: Fiedler
      foaf_workInfoHomepage: http://www.librecat.org/personId=bd3fceba-dc74-11ea-a0a7-c17f71817366
  - foaf_Person:
      foaf_givenName: Maria
      foaf_name: Ibáñez, Maria
      foaf_surname: Ibáñez
      foaf_workInfoHomepage: http://www.librecat.org/personId=43C61214-F248-11E8-B48F-1D18A9856A87
    orcid: 0000-0001-5013-2843
  - foaf_Person:
      foaf_givenName: Christoph
      foaf_name: Kleber, Christoph
      foaf_surname: Kleber
  - foaf_Person:
      foaf_givenName: Jurriaan
      foaf_name: Huskens, Jurriaan
      foaf_surname: Huskens
  - foaf_Person:
      foaf_givenName: Jakub
      foaf_name: Dostalek, Jakub
      foaf_surname: Dostalek
  - foaf_Person:
      foaf_givenName: Paolo
      foaf_name: Samorì, Paolo
      foaf_surname: Samorì
  - foaf_Person:
      foaf_givenName: Wolfgang
      foaf_name: Knoll, Wolfgang
      foaf_surname: Knoll
  bibo_doi: 10.1109/jsen.2025.3533113
  bibo_issue: '7'
  bibo_volume: 25
  dct_date: 2025^xs_gYear
  dct_identifier:
  - UT:001457747000001
  dct_isPartOf:
  - http://id.crossref.org/issn/1530-437X
  - http://id.crossref.org/issn/1558-1748
  dct_language: eng
  dct_publisher: IEEE@
  dct_title: Dual electronic and optical monitoring of biointerfaces by a grating-structured
    coplanar-gated field-effect transistor@
...
