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Investigation of the interaction of mesenchymal stem cells with aptamer modified surfaces using Light-Addressable Potentiometric Sensors (LAPS)

Total Cost €


EC-Contrib. €






 APTALAPS project word cloud

Explore the words cloud of the APTALAPS project. It provides you a very rough idea of what is the project "APTALAPS" about.

sensors    inform    finished    bind    techniques    resolution    materials    oligonucleic    peking    worked    patterned    aptamers    tissue    electrical    electrochemical    biomaterials    cells    immobilize    functional    single    ongoing    horizon    biosensors    theme    authored    china    competencies    he    grant    co    local    technique    acids    multidisciplinary    artificial    images    onto    substrates    surface    impedance    integrin    interaction    fluorescence    cell    personalizing    capture    imaging    electrochemistry    subcellular    brings    phd    potentiometric    ion    light    career    2020    japan    photon    attachment    interface    silicon    health    semiconductor    care    gain    addressable    lot    university    regulated    affinity    economic    dimensional    expand    network    writing    industries    differentiation    papers    14    independent    mechanism    laps    charge    microscopy    skills    young    engineering    specificity    central    aptamer    advantage    stem    heterodimers    photo    scanning    outstanding    fellowship    accessible    sapphire    scientist    channel   

Project "APTALAPS" data sheet

The following table provides information about the project.


Organization address
address: 327 MILE END ROAD
city: LONDON
postcode: E1 4NS

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Project website
 Total cost 183˙454 €
 EC max contribution 183˙454 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2015
 Duration (year-month-day) from 2015-07-20   to  2017-07-19


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    QUEEN MARY UNIVERSITY OF LONDON UK (LONDON) coordinator 183˙454.00


 Project objective

The aim of this project is to develop a new method to immobilize aptamers of stem cells onto silicon-on-sapphire substrates, to capture cells by affinity interaction between aptamer and target cells, and investigate two-dimensional electrochemical images of parameters such as local cell impedance, cell surface charge, ion channel activity, and two-photon fluorescence images with subcellular resolution using the impedance imaging technique Scanning Photo-induced Impedance Microscopy and the electrical potential imaging technique Light-Addressable Potentiometric Sensors. Aptamers are artificial functional oligonucleic acids which can bind their targets with high affinity and specificity. Aptamers with specificity to target integrin heterodimers will be developed and patterned on LAPS substrates and the mechanism of attachment regulated stem cell differentiation studied. The proposed technique has the advantage that functional electrochemical imaging of the cell-surface interface can be carried out, which is not accessible to other electrochemical techniques. The results of the project will inform the development of tissue engineering materials and impact on the health care and biomaterials industries, which are central to Europe's ongoing and future economic success, and are directly relevant to the theme priority of personalizing health and care in Horizon 2020. The applicant is an outstanding young scientist who recently finished his PhD at Peking University and has already authored and co-authored 14 papers, worked on different multidisciplinary projects in China and Japan, and brings a lot of relevant experience to the project in the areas of aptamers, electrochemistry, and biosensors. During the fellowship, he would develop competencies in electrochemical imaging, semiconductor processing and single cell analysis, expand his research network and gain skills such as project management and grant writing allowing him to develop an independent research career.


year authors and title journal last update
List of publications.
2017 De-Wen Zhang, Fan Wu, Steffi Krause
LAPS and SPIM Imaging Using ITO-Coated Glass as the Substrate Material
published pages: 8129-8133, ISSN: 0003-2700, DOI: 10.1021/acs.analchem.7b01898
Analytical Chemistry 89/15 2019-07-24
2016 De-Wen Zhang, Fan Wu, Jian Wang, Michael Watkinson, Steffi Krause
Image detection of yeast Saccharomyces cerevisiae by light-addressable potentiometric sensors (LAPS)
published pages: 41-45, ISSN: 1388-2481, DOI: 10.1016/j.elecom.2016.08.017
Electrochemistry Communications 72 2019-07-24
2017 Fan Wu, Inmaculada Campos, De-Wen Zhang, Steffi Krause
Biological imaging using light-addressable potentiometric sensors and scanning photo-induced impedance microscopy
published pages: 20170130, ISSN: 1364-5021, DOI: 10.1098/rspa.2017.0130
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Science 473/2201 2019-07-24
2017 Fan Wu, De-Wen Zhang, Jian Wang, Michael Watkinson, Steffi Krause
Copper Contamination of Self-Assembled Organic Monolayer Modified Silicon Surfaces Following a “Click” Reaction Characterized with LAPS and SPIM
published pages: 3170-3177, ISSN: 0743-7463, DOI: 10.1021/acs.langmuir.6b03831
Langmuir 33/13 2019-07-24

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