Custom and Modified Screen Printed Electrodes (SPE)

We offer our customers Modified and Custom Screen Printed Sensors based on their demands and needs, we will also recommend to the customer if there is a better option for their intended purposes.

 

Examples of possible Modified SPE Surfaces

Graphine, Streptavidin, Polyaniline and High-purity Materials.

 

High-purity material on WE

We can provide polished working electrode or insert a high-purity material on WE (99.9% or better).

The WE can be applied also by sputtering.

 

Materials of WE

We can offer you not only standard materials as Au/Pt, Au, Pt, Ag, C (carbon) but also glassy carbon, Ni, Cu, and other materials.

 

Special Active Surfaces

We can provide SPEs with Special Active Surfaces using Copper (Cu), Nickle (Ni), Magnesium (Mg), Bismuth (Bi) and Zirconium (Zr). 

 

Sensor/device size

The Technological capabilities and our experience and knowledge enable us to produce devices from as small as 3 x 6 mm, up to as large as 150 x 1200 mm.

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  • AC1.AChE Electrochemical sensor

    Amperometric Acetylcholinesterase three-electrode sensor with patented structure made by thick film technology

    Dimensions: 25.4 x 7.26 x 0.63 mm 

    WE material: Pt

     

    Sensor Usage: Measurement of AChE inhibitor concentration – organophosphorous and carbamate pesticides (paraoxon, malaoxon), toxic and neurotoxic gases (sarin, soman, tabun, VX), heavy metals (copper, aluminum), drugs (donepezil, rivastigmin, huperzine) and secondary metabolites and natural toxins (caffeine, aflatoxin).

     

    Acetylcholinesterase from electric eel type VI-S is immobilized on the active surface of a working electrode of electrochemical sensor AC1.W2.RS (i.e. Platinum working electrode, silver reference electrode). The diameter of the immobilized bioactive membrane is 2 mm and the mean applied activity is 1 unit/mm2.

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  • MSP Manual Screen Printer

    The manual screen printer is useful for applying of biochemical paste on electrochemical sensors. It may be used for preparing customer design electrochemical sensors also.

    It uses extremely small quantities of printing material. With the adjustment of the distance between the screen and the substrate the thickness of the printed elements can be varied. Under optimal conditions printing of lines with 200 µm can be achieved.

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  • AC1P Electrochemical sensor

    Amperometric three-electrode sensor with patented structure type AC1 with polished working electrode made by thick film technology.  

    Dimensions: 25.4 x 7.26 x 0.63 mm

    WE material: Au

     

    The sensor is formed on a corundum ceramic base. On to this surface the working, the reference and the auxiliary electrodes are applied. Working electrode has homogenous surface with roughness less than 1 µm. The working and the auxiliary electrodes are made of variety of materials. At the end of the sensor there is a contacting field which is connected with the active part by the silver conducting paths which are covered by a dielectric protection layer. A bio-chemically active substance can be immobilised on the working electrode of the sensor to create a biosensor.

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  • AC1.GOD Electrochemical sensor

    Amperometric Glucose Oxidase three-electrode sensor with patented structure made by thick film technology

    Dimensions: 25.4 x 7.26 x 0.63 mm

    WE material: Pt

     

    Sensor Usage: Amperometric measurement of β-D-Glucose concentration in liquid samples (from 0 °C to 45 °C)

     

    Glucose Oxidase (GOD) from Aspergillus Niger is immobilized on the active surface of a working electrode of amperometric substrate AC1.W2.RS.

    The diameter of the immobilized bioactive membrane is 2 mm and the mean applied activity is 1 unit/mm2.

     

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