cOLORIMETRIC Devices
Applications: Soil and Water Quality Assessment, Pathological Analysis, Biomarker Detection, Pesticide Residues Detection
Detection of Organophosphorus Pesticides
Destructive and non-destructive Organophosphorus pesticide detection from fruits and vegetables.
Successful testing with real samples from Mosambi and Cucumber validated the approach,
Detection Range:- MRL as prescribed in FAO's CODEX guidelines
Dual Detection of Ammonia and Urea from Human Blood Serum
A low-cost, concise, disposable, miniaturized, and lightweight from the existing expensive equipment’s highly suitable for the low power applications.
The device is successfully tested for the dual detection of ammonia and urea from the blood serum sample.
Detection Range:- For Ammonia 0.5-10 mg L-1 and for Urea: 100-500 mg L-1
Limit of Detection (LoD): For Ammonia: 0.1879 mg L-1 and for Urea: 21.4091 mg L-1.
IoT Enabled Microfluidic Colorimetric Detection Platform for Continuous Monitoring of Soil Parameters
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)
Integrated Platform for Soil Nutrient Testing
Integrated Nitrite, pH and Electrical Conductivity Detection
Uses a multiplexed Polydimethylsiloxane (PDMS) device
Conductivity cell with copper electrodes
Smartphone application for system control
Geo-tagged Data
Related Publications & Patents
Patent:
- Title: Microfluidics Based Integrated Based Integrated System for Nitrite and Nitrate Detection and Analysis, Inventors: Sohan Dudala, Satish K Dubey and Sanket Goel. Status: Indian Patent Filed, Application No. 201911004347
- Title: A Portable Real-Time Colorimetric Detection Device And Method Of Using The Same, Inventors: Abhishesh Pal, Madhusudan B Kulkarni, Satish Kumar Dubey, Ponnalagu R N, Sanket Goel. Status: Indian Patent Filed, Application No. 202111015698
- Title: Microfluidic Device for the Dual Detection and Quantification of Ammonia and Urea in Blood Serum, Inventors: Sanket Goel, Samit Chattopadhyay, Satish Kumar Dubay, Arshad Javed, Deepak K S and Aniket Balapure. Status: Indian Patent filed,Application No. 202311052190
- Title: A microfluidic colorimetric device and a method of manufacturing the same, Inventors: Deepak K S, Satish Kumar Dubey, Sanket Goel and Arshad Javed. Status: Indian Patent filed, Application No. 202311075934
Journal Publications:
- Deepak, K. S., Balapure, A., Priya, P. R., Kumar, P. S., Dubey, S. K., Javed, A., ... & Goel, S. Development of a Microfluidic Device for the Dual Detection and Quantification of Ammonia and Urea from the Blood Serum. Sensors and Actuators A: Physical, #115174, 2024.
- Abhishesh Pal, Satish Kumar Dubey and Sanket Goel, IoT Enabled Microfluidic Colorimetric Detection Platform for Continuous Monitoring of Nitrite and Phosphate in Soil, Computers and Electronics in Agriculture, vol. 195, #106856, 2022.
- Abhishesh Pal, Madhusudan B Kulkarni, Harish Gupta, R. N. Ponnalagu, Satish Kumar Dubey and Sanket Goel, Portable and Autonomous Device for Real-time Colorimetric Detection: Validation for Phosphorous and Nitrite Detection, Sensors and Actuators: A. Physical, vol. 330, #112896, 2021.
- Abhishesh Pal, Khairunnisa Amreen, Satish Kumar Dubey and Sanket Goel, Highly Sensitive and Interference-free Electrochemical Nitrite Detection in a 3D Printed Miniaturized Device, IEEE Transactions on NanoBioscience, vol. 20(2), 175-182, 2021.
- S. Dudala, L. T. Rao, S. K. Dubey, A. Javed, and S. Goel, “Experimental characterization to fabricate CO2 laser ablated PMMA microchannel with homogeneous surface,” Mater. Today Proc., Jan. 2020, doi: 10.1016/j.matpr.2019.12.302.
- S. Dudala, S. K. Dubey, and S. Goel, “Fully Integrated, Automated, and Smartphone Enabled Point-of-Source Portable Platform With Microfluidic Device for Nitrite Detection,” IEEE Trans. Biomed. Circuits Syst., vol. 13, no. 6, pp. 1518–1524, Dec. 2019, doi: 10.1109/TBCAS.2019.2939658.
Conference Publications:
- Abhishesh Pal, Satish Kumar Dubey and Sanket Goel, Gold Nanoparticles Assisted Single Step Sensing of Cobalt with Flexible Carbon Cloth, 2021 IEEE 15th International Conference on Nano/Molecular Medicine & Engineering (NANOMED), pp. 38-42, 2021.
- Dudala, S; Puneeth, S.B.; Dubey, S.K. & Goel, S, “Design of Colorimetric Lab-On-Chip Platform for Detection of Nitrite in Water”, Proceedings of Photonics-2018: International Conference on Fiber Optics and Photonics (IIT Delhi), December 12-15, 2015, SP077, ISBN 978-93-88653-41-1