Probing Life in Motion: Advanced EPR Spectroscopy at the Interface of Biology, Chemistry, and Computation

By

Dr. Manas Seal

Published on
December 15, 2025

Department of Education, Kharagpur, Paschim Midnapur, West Bengal, India, PIN – 721302, India.

Areas of Expertise
Biophysics, EPR Spectroscopy, Bioinorganic Chemistry

My research is driven by the unique versatility of advanced Electron Paramagnetic Resonance (EPR) spectroscopy, which naturally bridges chemistry, physics, and biology. Despite major advances in AI-based structure prediction tools such as AlphaFold, understanding the structure and dynamics of disordered proteins remains highly challenging, and EPR is uniquely suited to probe such systems. Metalloproteins, which often contain EPR-active paramagnetic centers, play central roles in catalysis and electron transfer, making the characterization of their electronic structures in resting states and reactive intermediates essential. Over time, my vision has expanded beyond purified systems toward more complex biological environments, including native and in vivo contexts. Advances in EPR methodology and instrumentation have also broadened its applicability to other frontiers such as materials chemistry and nanobiotechnology.

For disordered proteins, a central unanswered question is how transient local interactions and conformational dynamics translate into long-range functional regulation within the crowded cellular environment. In metalloproteins, the challenge lies in trapping and accurately characterizing highly diverse reactive intermediates, whose electronic structures are sensitive to subtle changes in coordination environments. My group addresses these challenges using advanced EPR methodologies integrated with computational tools and complementary spectroscopic techniques such as NMR, FRET, and rapid freeze-quench methods to capture functionally relevant intermediates.

Biomolecular spectroscopy is evolving toward hybrid, integrative approaches that combine EPR with Cryo-EM, NMR, mass spectrometry, and AI-driven modeling. Long-range distance constraints from EPR/DEER (1.5–10 nm), particularly for flexible disordered regions, will be critical for validating structural reconstructions from Cryo-EM. New experimental protocols are also expected to bridge the gap between solution-based and in-cell spectroscopy. I am particularly excited to integrate Cryo-EM and AI-based computational modeling with EPR to study structure and function in their full biological context.

Major breakthroughs often emerge from interdisciplinary research. Collaborations with computational scientists specializing in AI, machine learning, and molecular dynamics can enable accurate prediction of functional conformational ensembles. Partnerships with materials scientists and nanotechnologists can further extend our work toward designing robust, enzyme-mimicking catalysts with industrial relevance.

Addressing such complex problems requires a strong interdisciplinary foundation that integrates spectroscopy, biochemistry, and computational tools. EPR should not be treated as an endpoint, but interpreted alongside complementary spectroscopic methods, Cryo-EM, and computational analysis to achieve a comprehensive molecular understanding. For young scientists entering this field, I encourage a problem-driven approach focused on real-world challenges, including uncovering molecular mechanisms of disease and designing efficient catalysts to address environmental problems.

Science Factors.

Rising Emissions, Changing Futures: Forecasting South Asia’s Climate Path

0
What motivated me to study greenhouse gas emissions in South Asia? South Asia is home to nearly one-quarter of the world’s population and is undergoing...

Lithium in the Anthropocene: Balancing Energy Innovation with Environmental and Health Risks

0
What inspired you to explore lithium not just as a resource, but as an emerging environmental concern in the Anthropocene? My exploration of lithium as...

Tiny Droplets in Medicine: How Emulsions Improve Drug Delivery

0
What are emulsions, and why are they important in medicine and drug delivery? Emulsions are the mixture of two immiscible liquid oil and water...

Improving Cancer Treatment Using Liposomal Drug Delivery and AI-Based Analysis

0
What inspired you to explore liposomal drug delivery systems for improving cancer treatment, and how did this idea develop over time? The inspiration came from...

Understanding Cancer Resistance: How Cells Rewire Their Metabolism to Survive Treatment

0
What motivated you to explore how cancer cells develop resistance to treatments like cisplatin, and how did this research direction evolve? Cisplatin is a DNA-damaging...

Smart Gel Systems for Targeted Periodontal Treatment

0
The increasing interest in advanced drug delivery systems for the management of periodontitis stems from the complex, chronic, and site-specific nature of the disease,...

The emerging role of epiplastic microalgae in combating freshwater plastic pollution

0
What inspired you to investigate microalgae as potential degraders of plastic waste in freshwater ecosystems?  Our inspiration emerged from observing the increasing accumulation of plastic...

Who Shapes New Science, Industry or Curiosity?

0
What inspired you to explore the relationship between industry publishing and scientific novelty? We often think of scientific research as something that happens primarily within...