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The Project

‘Challenging societal needs involving ions detection: New strategies for the development of voltammetry ion sensors based on thin membranes

MSCA-Individual Fellowships (Agreement Nr 792824)

€ 185 857,20

Starting date: 01.11.2018

Program: H2020-EU.1.3.2. – Nurturing excellence by means of cross-border and cross-sector mobility


Ultrathin membranes are the key element for new ion sensors able to act in real contexts and samples. The project addresses challenging ion analysis cases in pharmaceutical/clinical and environmental domains’

Modern society is evolving to a scenario in which all daily activities will be monitored using smart sensors. The provision of rapid, reliable and decentralized data is crucial and chemical sensors are current candidates for this purpose. VolThinSens puts forward an innovative sensing strategy from the ground up for reliable detection of ions addressing problems that constitute the bottleneck for the final application of electrochemical sensors in real contexts. VolThinSens will provide robust ion sensors with a wide application perspective within EU priorities such as “citizens’ welfare” and “protecting nature”, among others. VolThinSens will enhance EU excellence and competitiveness in pharmacological/clinical control as well as water issues through the provision of trustable relevant data.



In the ‘Chemical Sensing Unit’ at KTH Royal Institute of Technology, we have started an internal seminar series in which every Friday the postdoc and PhD students in the group present and discuss their projects…fighting with social distance restrictions always with a smile.

Some of the participants:


Happy to share the very first single-author paper of Asst. Prof. Maria Cuartero in the journal Sensors & Actuators B: Chemical.


Asst. Prof. Maria Cuartero has been appointed as part of the Early Career Advisory Board in Analysis & Sensing journal.


Supporting the #nomorematildas program in the gender equality panoarama.


Asst. Prof. Maria Cuartero has been the coordinator of Symposium 1 ‘Membrane-based electrodes: from traditional potentiometry to dynamic electrochemistry’ in the online version of the 71 Annual Meeting of the International Society of Electrochemistry. Asst. Prof. Maria Cuartero has presented the results of the VolThinSens project in an oral presentation with the title ‘The Role of Poly(3-octylthiophene) –POT– as Redox Mediator of Ion Fluxes Across Voltammetric Thin Membranes’


Asst. Prof. Maria Cuartero has been appointed as part of the Topic Board in Chemosensors.


Asst. Prof. Maria Cuartero presents some of the results within the VolThinSens project in her talk at the TFK seminar series (KTH Royal Institute of Technology).


Let’s get some inspiration in this difficult time…


Promotion: ‘Asst. Prof. Maria Cuartero…Sounds Good!!’


Due to the Covid19 situation, the research program of the VolThinSens is suffering some delays. We are remotely managing research, teaching and family communication….Hoping for better times


New synchrotron expedition to study the sensors developed in the VolThinSens project

Thanks to CERIC for the travel support


Prof. Fabiana Arduini (University Tor Vergata, Rome, Italy) was invited by the VolThinSens project to give a talk about ‘Electrochemical Paper-based (Bio)Sensors’. Paper is indeed a good substrate to translate the sensing concept developed in the VolThinSens project in a medium-term perspective.


Invited Keynote about the results in the VolThinSens project. 70th Annual Meeting of the International Society of Electrochemistry (Durban, Southafrica)


Celebrating a unique achievement!!! It will be officially announced in few weeks!!!


Receiving the Early Career Analytical Electrochemistry Prize of the International Society of electrochemistry in Durban (Southafrica).


The VolThinSens project is hosted by @CrespoLab, a young group of researchers at KTH leaded by Asst. Prof. Gaston Crespo. Updated picture of the team


Thanks to Marie Curie Alumni for the support to conference attendance to MSCA fellows.


Rising Starts event organised by @WOP at KTH. Promoting gender equality actions from the VolThinSens project.


Our review on ‘Wearable Potentiometric Sensors for Medical Applications’ has reached more than 770 visits during its first week of publication and has been highlighted as one of the ‘Featured Papers’ in SENSORS journal.

In the newsletter of this month, it is also announced that Dr. Maria Cuartero has obtained one of the SENSORS AWARDS 2019

The newsletter:

The paper:


Working at the ‘Stronger Together Mingle’ organized by WOP@KTH. Promoting gender equality actions from the VolThinSens project.


OpenLab Day with the Hamedi’s team at KTH. Establishing fruitful collaborations within the VolThinSens project frame.


Dr. Maria Cuartero is a new member of the Marie Curie Alumni Association.


2019 SENSORS AWARDS granted to Dr. Maria Cuartero


Workshop on Personal Impact Plan at KTH: ‘A broader perspective on future societal impact of your research’


Synchrotron expedition to study the sensors developed in the VolThinSens project

Thanks to CERIC for the travel support


Being part of WOP@KTH

«Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something and that this thing must be attained.» (Marie Curie)


Official kick-off of the VolThinSens project at KTH Royal Institute of Technology


MSCA Monitoring Visit at KTH Royal Institute of Technology


Celebrating the Chemistry Day at the Department of Chemistry at the CBH School in KTH. The Chemistry Department is hosting the VolThinSens project.


Early Career Analytical Electrochemistry Prize awarded to Dr. Maria Cuartero by the International Society of Electrochemistry


Official communication that VolThinSens has been granted


i) ‘Self-Assembled monolayers on glassy carbon electrodes providing effective charge transfer to promote ion-transfer process across ultra-thin ion-selective membranes.’

ii) ‘Understanding the working mechanism behind the sensors developed in the VolThinSens project’

iii) ‘Stripping ion-transfer voltammetry to decrease the limit of detection of ultra-thin membranes. The case of silver ion detection in water.’

iv) ‘Revising the field of environmental analysis to demonstrate the potential of the VolThinSens project in EU water issues’

v) ‘Revising the field of wearable potentiometric sensors for clinical application to demonstrate the potential of the VolThinSens project in EU healthcare domain’

vi) ‘Cytotoxicity studies of ion-selective membranes and wearable devices’

vii) ‘What are the cases in where the ion-selective electrodes developed in VolThinSens could be integrated for ions monitoring in biological fluids?

Wearable patches for sweat analysis:

Thin-layer potentiometry for the biodetection of creatinine by indirect ammonium sensing:

Glycine biosensing by means of peroxide or ammonium detection:

viii) ‘Side results from collaborative projects.

i) Collaboration with Prof. Joaquin A. Ortuno (University of Murcia, Spain) in the development of new amperometric biosensors:

A sustainable amperometric biosensor for the analysis of ascorbic, benzoic, gallic and kojic acids through catechol detection. Innovation and signal processing’

ii) Collaboration with Prof. Roland de Marco in synchrotron-based measurements and Prof. Gaston A. Crespo in the acidification of water samples confined into thin layer domains for alkalinity detection:

Polyaniline Films as Electrochemical-Proton Pump for Acidification of Thin Layer Samples

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