Niranjan Haridas Menon

Mechanistic insights into the adsorption of PFOA and PFOS onto alum-based drinking water treatment residuals

Sushma Yadav, Anshuman Satpathy, Roxana Rahmati, Niranjan Haridas Menon et autres

us (code pays fourni par la source)

Deconstructing impedimetric drift towards signal stability for a porous 3D flow-through microelectrochemical biosensor

Niranjan Haridas Menon, Nico Giovannetti, Sreerag Kaaliveetil, Najamuddin Naveed Khaja et autres

Measuring consistent impedimetric signals under flow remains a persistent challenge in microfluidic electrochemical impedance spectroscopy (EIS) due to dynamic signal drift. This becomes even more challenging in the presence of redox probes or complicated electrode geometry. Such drift complicates data analysis and …

us (code pays fourni par la source)

In Situ Fabrication of Controlled Porous Manifold Coupled with Non-Planar Microelectrodes for Microfluidic Biosensors

Najamuddin Naveed Khaja, Sushma Yadav, Niranjan Haridas Menon, Sreerag Kaaliveetil et autres

The demand for a versatile and portable point-of-use (POU) sensor platform has surged due to the pandemic, especially in countries with limited medical laboratory facilities. We recently unveiled a portable, non-planar, interdigitated, flow-through, porous electrode platform that automatically measures electrochemical impedance spectroscopy …

us (code pays fourni par la source)

Development and validation of a portable, fully automated prototype for microfluidic gas-liquid membrane contactor chips

Sreerag Kaaliveetil, Kevin Paredes, Niranjan Haridas Menon, Najamuddin Naveed Khaja et autres

Microfluidic gas–liquid membrane contactors enable continuous, well-defined interactions between gas and liquid phases at the microscale, offering precise control over mass transfer conditions with minimal reagent consumption, making them valuable for applications ranging from gas sensing and solvent screening to organ-on-a-chip systems. …

us (code pays fourni par la source)

3D Impedimetric Microfluidic Membrane-Mimic Cassette (IM3) with Interdigitated Electrodes for Fouling Analysis at Membrane Interfaces

Najamuddin Naveed Khaja, Sreerag Kaaliveetil, Niranjan Haridas Menon, Sushma Yadav et autres

High Resolution Image Download MS PowerPoint Slide Membrane fouling remains a major challenge in water treatment, biomedical, and pharmaceutical fields, yet understanding its mechanisms at the membrane interface remains difficult. Herein, we report a 3D impedimetric microfluidic membrane-mimic (IM3) cassette that integrates …

us (code pays fourni par la source)

Unraveling the origin of electrochemical drift in membrane-based microfluidic electrochemical systems with gas-ionic liquid interface

Sreerag Kaaliveetil, Niranjan Haridas Menon, Najamuddin Naveed Khaja, Sushma Yadav et autres

us (code pays fourni par la source)

Fully Automated Microfluidic Electrochemical Platform as a Versatile Biosensor

Niranjan Haridas Menon, Yassa Beshai, Sagnik Basuray

We present a fully automated microfluidic electrochemical sensing platform capable of executing complex fluidic operations and acquiring high-fidelity electrochemical impedance spectroscopy (EIS) data. The system is automated using Python, enabling open-source automation. It demonstrates strong signal stability and reproducibility, validated by consistent …

us (code pays fourni par la source)

Eco-Friendly UV-Assisted Growth of Silver Nanoparticles on the Zirconium Metal–Organic Framework: 3D-Surface-Enhanced Raman Scattering Platform for Rhodamine 6G Sensing in Water

Sushma Yadav, Niranjan Haridas Menon, Choice Landvik, Sreerag Kaaliveetil et autres

Owing to rapid response, nondestructiveness, and high sensitivity, surface-enhanced Raman scattering (SERS) has been extensively utilized in diverse applications. However, synthesizing an eco-friendly SERS substrate with a high surface area and sensitivity is still challenging in the myriad of SERS synthetic worlds. …

us, in (code pays fourni par la source)

Utilizing machine learning for developing equivalent circuit-free calibration plots in impedimetric sensors

Sreerag Kaaliveetil, Niranjan Haridas Menon, Najamuddin Naveed Khaja, Sushma Yadav et autres

Unraveling the origin of electrochemical drift in membrane-based microfluidic electrochemical systems with gas-ionic liquid interface

Sreerag Kaaliveetil, Niranjan Haridas Menon, Najamuddin Naveed Khaja, Sushma Yadav et autres

us (code pays fourni par la source)

Integrating conductive electrodes into hydrogel-based microfluidic chips for real-time monitoring of cell response

Ayda Pourmostafa, Anant Bhusal, Niranjan Haridas Menon, Zhenglong Li et autres

The conventional real-time screening in organs-on-chips is limited to optical tracking of pre-tagged cells and biological agents. This work introduces an efficient biofabrication protocol to integrate tunable hydrogel electrodes into 3D bioprinted-on-chips. We established our method of fabricating cell-laden hydrogel-based microfluidic chips …

us (code pays fourni par la source)

Response Time Dynamics of a Membrane-Based Microfluidic Gas Sensor

Sreerag Kaaliveetil, Najamuddin Naveed Khaja, Niranjan Haridas Menon, Sagnik Basuray

Practical gas–liquid interfacing is paramount in microfluidic technology, particularly in developing microfluidic gas sensors. We have created an easily replicable membrane-based closed microfluidic platform (MB-MP) to achieve in situ gas–liquid contact for low-resource settings. We have fabricated the MB-MP using readily available …

us (code pays fourni par la source)