Microfluidic Viscometer

Puneeth S B and Mrunali Wagh

Applications: Milk Adulteration, Fuel Testing, Biological Sample Analysis

3D Printed MicroElectroViscometer

    • A Standalone, Point-of-Source, Portable, Low-Cost, Automated & Integrated Microfluidic System for Detection & Quantification of Nitrite

    • Employs controlled Griess reaction based assay

    • Low-cost 3D printed syringe pump

    • Photometric detection employed using LED & photodiode

    • LOD: 0.07103 ppm; LOQ: 0.21524 ppm (WHO limits: 3 ppm)

Related Publications & Patents


  1. A Microfluidic Electro-Viscometer to Determine Relative Viscosity of a Fluid

    • Inventors: Sanket Goel and Puneeth S B

    • Status: Indian Patent, filed, 201911049248, 2019

  2. A System for Measuring Viscosity and Method thereof

    • Inventors: Sanket Goel and Puneeth S B

    • Status: Indian Patent, filed, 201711031122, 2017

Journal Publications

12. Mrunali Wagh, Puneeth S B, Sanket Goel and Subhendu K Sahoo, Development of Laser-Induced Graphene-based Automated Electro Microfluidic Viscometer for Biochemical Sensing Applications, IEEE Transactions on Electron Devices, vol. 68(10), pp. 5184-5191, 2021.

11. Puneeth S B, Madhusudan Kulkarni and Sanket Goel, Microfluidic Viscometers for Biochemical and Biomedical Applications: A Review, Engineering Research Express, vol. 3(2), 022003, 2021.

10. Puneeth S B and Sanket Goel, Handheld and 'Turnkey' 3D Printed Paper-Microfluidic Viscometer with on-board Microcontroller for Smartphone based Biosensing Applications, Analytica Chimica Acta, vol. 1153, 338303, 2021.

9. Puneeth SB, Hithesh HL and Sanket Goel, ElectroMicrofluidic Viscometer with Integrated Microcontroller and Pumping-System for Point-of-Care Biosensing Applications, Instrumentation and Measurement Magazine, vol. 24(4), pp. 23-28, 2021.

5. Puneeth S B, Nikhil Munigela, Puranam Sai Akhil and Sanket Goel, Automated Mini-platform with 3D Printed Paper Microstrips for Image Processing based Viscosity Measurement of Biological Samples, IEEE Transactions on Electron Devices, vol. 67(6), pp. 2559 - 2565, 2020.

8. Puneeth S B, Mary Salve, Akshatha R and Sanket Goel, Realization of Microfluidic Paper-based Analytical Devices using a 3D printer: Characterization and Optimization, IEEE Transactions on Device and Materials Reliability, vol. 19(3), pp. 529-536, 2019 [DOI].

7. Puneeth S B and Sanket Goel, Novel 3D Printed Microfluidic Paper-based Analytical Device with Integrated Screen-printed Electrodes for Automated Viscosity Measurements, IEEE Transactions on Electron Devices, vol. 66(7), pp. 3796-3201, 2019 [DOI].

6. Puneeth S B and Sanket Goel, Amperometric Automation and Optimization Paper Microfluidic Viscometer, IEEE Sensors Letters, vol. 3(3), pp. 1-4, 2019 [DOI].

5. Puneeth S B, Sai Akhil Puranam and Sanket Goel, 3D Printed Integrated and Automated Electro-Microfluidic Viscometer for Biochemical Applications, IEEE Transactions on Instrumentation & Measurement, vol. 68(7), pp. 2648-2655, 2018 [DOI].

4. Venkateswaran PS, Santosh Dubey, Abhishek Sharma, Ajay Agarwal and Sanket Goel, Stereolithographic 3D Printed Microfluidic Viscometer for Rapid Detection of Automobile Fuel Adulteration, Sensor Letters, Vol. 15, pp. 545-551, 2017.

3. Venkateswaran PS, Abhishek Sharma, Ajay Agarwal and Sanket Goel, Rapid and Automated Measurement of Milk Adulteration using a 3D Printed Optofluidic MicroViscometer (OMV), IEEE Sensors Journal, Vol. 16, No. 9, pp. 3000-3007, 2016.

2. Venkateswaran PS, Diwakar Kashyap, Ajay Agarwal and Sanket Goel, Computational Analysis of a Microfluidic Viscometer and its application in the Rapid and Automated Measurement of Biodiesel Blending under Pressure Driven Flow, Journal of Computational and Theoretical Nanoscience (American Scientific Publishers), Vol. 12, p. 2311-2317, 2015.

1. Sanket Goel, Venkateswaran PS, Rahul Prajesh, and Ajay Agarwal, Rapid and Automated Measurement of Biofuel Blending using a Microfluidic Viscometer, Fuel (Elsevier), Vol 139, p. 213-219, 2015.

Conference Publications