Research team

Expertise

Sensor development for the determination of organic ionic substances.

Development of technology within the "label free detection systems" technology platform for the fast and accurate detection of small molecules 01/06/2013 - 31/05/2014

Abstract

The project aims at supporting the claims of two UAntwerp patents. The technology protected by these patents offer an alternative to "label free detection systems" on the market today, and cover a new platform for fast and accurate detection of selected small molecules.

Researcher(s)

Funding

  • IOF

Project type(s)

  • Research Project

Development of a coated-wire potentiometric sensor for detection of DNA variants and mutations 01/07/2010 - 30/06/2014

Abstract

In human genetic diagnostics, there is a large need for instruments that can detect DNA variants and mutations efficiently and cost-effectively. Current fluorescent methods are expensive and often not suitable for extended multiplex analysis. The aim of this study is the development of a potentiometric coated wire sensor that is able to reliably and quickly detect DNA variants, by adapting a successful sensor platform that has been developed previously at the University of Antwerp.

Researcher(s)

Funding

  • BOF

Project type(s)

  • Research Project

Chromatographic Organic Trace Analysis. 03/05/2010 - 02/03/2011

Abstract

A potentiometric sensor is made for the specific detection of an oligonucleotide. The mutation which causes mucoviscidosis is taken as an example. The potentiometric sensor has a PVC/plasticizer rubber coating on a metal conductor. The PVC is aminated, and the oligonucleotide is coupled to the surface via UV irradiation. We then study the interaction of match and mismatch oligonucleotides with the sensor. The sensor should respond selectively to the target oligonucleotide. We then study the possibility to use the sensor in real-time PCR experiments.

Researcher(s)

Funding

  • EU-NT. KAD

Project type(s)

  • Research Project

Interaction of large biomolecules with potentiometric sensor surfaces. 01/02/2009 - 31/12/2010

Abstract

The research group studies the use of potentiometric sensors for the determination of organic charged molecules. Recently, work was done on large biomolecules such as oligonucleotides and phosphoproteins. In the present project, we will develop a method to study the kinetics of interaction (adsorption/desorption) of these products with the sensor surface, via FIA and sensorgrams.

Researcher(s)

Funding

  • BOF

Project type(s)

  • Research Project

Impedance spectroscopy for sensor development. 01/01/2006 - 31/12/2007

Abstract

The target of this project is the introduction of impedance spectroscopy in the department IWT of the KDG and in the UA research group: "Chromatografische organische sporenanalyse" for the development of potentiometric sensors. This technique gives us insight in the different processes that occur during potential buildup (mass transport, diffusion, ion-electron conversion, ¿). This information will result in a more effective development of the potentiometric electrodes.

Researcher(s)

Funding

  • BOF

Project type(s)

  • Research Project

High throughput screening of nanocomposite sensor materials for the determination of ionic organic substances. 01/10/2005 - 31/12/2007

Abstract

The aim of the project is to make sensor materials with which we can determine organic ionic substances with low logP values. We will use hydrophilic polymers which are based on segmented networks with butylacrylate and poly-ethyleneoxide as a basis. To make these polymers ionically conductive, we will use MM and NaY materials, embedded as nanocomposites. The testset for the low logP products will be mainly composed of a set of 25 basic pharmaceutical drugs. To increase the selectivity for a certain drug, neutral receptor molecules of the calixarene type will be used.

Researcher(s)

Funding

  • FWO

Project type(s)

  • Research Project

Development of thin film potentiometric sensors for dissolution testing. 01/10/2004 - 30/09/2007

Abstract

The aim of the project is to develop a general purpose sensor, based on surface potential development, which can measure dissolution of pharmaceutical drugs on-line.

Researcher(s)

Funding

  • PRIVE - non profit

Project type(s)

  • Research Project

Dissolution Project Plan. 15/03/2004 - 30/06/2004

Abstract

To determine the dissolution properties of medical substances on the basis of potentiometric sensors.

Researcher(s)

Funding

  • PRIVE - non profit

Project type(s)

  • Research Project

Dissolution Project Plan. 15/02/2004 - 15/08/2004

Abstract

Dissolution testing is very important for pharmaceutical companies. The present apparatus is directed to spectroscopic methods. These methods have a large number of disadvantages. Our group develops potentiometric sensors to monitor dissolution kinetics of basic drugs in pharmaceutical formulations. New types of electrodematerials are tested. The nature of these materials is not revealed as they are being patented.

Researcher(s)

Funding

  • PRIVE - non profit

Project type(s)

  • Research Project

01/03/2003 - 29/02/2004

Abstract

This project "Bridge to innovation", aims to ripen a scientific idea to make a bigger industrial project. It concerns a sensor for HPLC and for dissolution testing.

Researcher(s)

Funding

  • WERKING

Project type(s)

  • Research Project

Synthesis of polymeric membranes for use in potentiometric detection of organic ionic substances with LC. 17/12/2001 - 17/12/2004

Abstract

New electrode coating materials (ionically conducting plastics in the rubber phase)will be tested for use in an organic ions sensor.

Researcher(s)

Funding

  • VL.WET.BEL

Project type(s)

  • Research Project

01/10/2001 - 30/09/2002

Abstract

Macrocyclic ionophores (hexaazamacrocycles) were tested for the determination of organic acids with potentiometry besed sensors.

Researcher(s)

Funding

  • BOF

Project type(s)

  • Research Project

Synthesis of potentiometric microelectrodes for use in CE, via chemical modification of electrochemically deposited "coated wire" electrodes. 01/01/2000 - 31/12/2001

Abstract

During the last years, the research group developed interesting potentiometric electrodes for the sensitive determination of biochemically important organic substances via CE and LC. The most succesfull types were of the "liquid membrane" type. Conductive polymers als performed well and are the more interesting coating materials, but their reproducibility has been unsatisfactory. The new project aims to develop a totally new type of electrode material, based on conductive polymers.

Researcher(s)

Funding

  • BOF

Project type(s)

  • Research Project

01/01/2000 - 31/12/2000

Abstract

Researcher(s)

Funding

  • BOF

Project type(s)

  • Research Project

Conductive polymers for the amperometric and potentiometric detection of non-electroactive substances in LC and CE methods. 01/10/1999 - 31/12/2000

Abstract

Researcher(s)

Funding

  • WERKING
  • FWO

Project type(s)

  • Research Project

Testing a macrocyclic host molecule in a potentiometric coated wire detector for the determination of biochemically important organic acids with HPLC. 01/10/1999 - 30/11/2000

Abstract

A macrocyclic hexamine was synthesized as a "host" molecule for biochemically important organic acids. This hexamine will now be tested in a "coated wire" potentiometric electrode. It serves as an ionophore, for the optimization of the potentiometric detection of these organic acids in an HPLC system. Conducting polymers or oligomers are used in the coating material.

Researcher(s)

Funding

  • WERKING

Project type(s)

  • Research Project

01/01/1997 - 31/12/1997

Abstract

Researcher(s)

Funding

  • BOF

Project type(s)

  • Research Project

Development of new electrode materials for amperometric HPLC detectors. 01/07/1995 - 31/12/1996

Abstract

In this project is checked in how far some new conducting materials can be envisaged as electrode materials for electrochemical detectors (ECD). It concerns poly(p-phenylene) products. The materials are chosen as such that they can be produced, in a reproducable manner, by means of coating techniques. This project is limited to coatings with conducting doped polymers.

Researcher(s)

Funding

  • FWO
  • WERKING

Project type(s)

  • Research Project

01/04/1994 - 31/03/1995

Abstract

Researcher(s)

Funding

  • WERKING
  • WERKING

Project type(s)

  • Research Project

01/10/1993 - 30/06/1994

Abstract

Researcher(s)

Funding

  • PRIVE - non profit

Project type(s)

  • Research Project

01/10/1992 - 30/09/1993

Abstract

Researcher(s)

Funding

  • BOF
  • FWO

Project type(s)

  • Research Project