Professor Rajesh Ramanathan is an interdisciplinary scientist and research leader working at the intersection of nanotechnology, biosensing, and advanced materials. He is Deputy Head (Research and Infrastructure) in the Department of Applied Chemistry and Environmental Science at RMIT University and co-leads the NanoBiotechnology Research Laboratory.
His research focuses on developing next-generation nanozyme technologies, rapid point-of-care diagnostics, antimicrobial materials, and functional nanomaterials for healthcare and environmental applications. His work combines materials chemistry, biotechnology, and translational engineering to create practical technologies with real-world impact.
Professor Ramanathan has secured more than $22 million in research funding through major national and industry-linked programs, including ARC and CRC-P initiatives, and has established strong collaborations with industry, hospitals, and government agencies. His team develops technologies targeting infectious disease detection, antimicrobial resistance, chronic disease diagnostics, and smart therapeutic materials.
He has authored over 90 peer-reviewed publications, holds multiple patents, and has received international recognition for both scientific excellence and research translation. His work has been featured extensively in global media and continues to shape emerging directions in nano-enabled diagnostics and antimicrobial technologies.
Key Awards
2022 - Hartung Lecturer Award, Royal Australian Chemical Institute VIC Branch
2022 - Rising Star Award, Ruia College Alumni Association & the Ramnarain Ruia Autonomous College, Mumbai, India
2019 - Philip Law Postdoctoral Award for Physical Sciences, Royal Society of Victoria
2018 - AkzoNobel Chemical Start-up Finalist, Imagine Chemistry collaborative innovation challenge (Nouryon)
2017 - Vice Chancellor Research Excellence Award, RMIT University
2017 - Design to Improve Life Award Finalist, INDEX, Denmark (Rated top 50 life changing innovative designs from 1400 nominations across 85 countries)
2016 - Hitachi Social Impact Prize – Connected Health, Hitachi Social Innovation Awards
2016 - Global Media Star, RMIT University
Professor Rajesh Ramanathan is an experienced educator with extensive teaching, curriculum development, and program management experience.
His teaching philosophy focuses on creating engaging, research-informed, and industry-relevant learning experiences that support students from diverse academic and cultural backgrounds. He is passionate about integrating real-world applications, emerging technologies, and translational research examples into teaching to enhance student engagement and employability.
He has contributed to curriculum design and delivery across undergraduate and postgraduate courses in analytical chemistry, nanotechnology, materials chemistry, and biosensing. As Program Manager for the Bachelor of Science, he led initiatives focused on curriculum redesign, student experience, and academic quality enhancement.
Professor Ramanathan has supervised more than 20 HDR completions across interdisciplinary fields spanning chemistry, biology, materials science, and engineering, with graduates progressing into successful academic, industry, and government careers. He is committed to mentoring students and early career researchers and fostering collaborative, inclusive, and supportive research and learning environments.
Professor Rajesh Ramanathan’s research focuses on the development of advanced nanomaterials, biosensing technologies, and translational diagnostic platforms for healthcare and environmental applications. His work sits at the intersection of analytical chemistry, nanotechnology, materials science, and biotechnology, with a strong emphasis on translating fundamental research into practical technologies with real-world impact.
Key Research Areas
Nanozymes and Functional Nanomaterials
Design and development of enzyme-mimicking nanomaterials for sensing, catalysis, antimicrobial therapy, and biomedical applications.
Point-of-Care Diagnostics and Biosensing
Development of rapid, low-cost diagnostic technologies using aptamers or antibodies, nanozymes, and nanomaterials for infectious disease detection, antimicrobial resistance profiling, and chronic disease monitoring.
Antimicrobial and Wound Management Materials
Engineering light-activatable and stimuli-responsive antimicrobial materials for infection control, biofilm eradication, and advanced wound care applications.
Laser-Induced Graphene and Electrochemical Technologies
Development of laser-induced graphene-based materials and electrochemical sensing platforms for energy, catalytic, and biosensing applications.
Nano-Bio Interfaces
Understanding interactions between nanomaterials and biological systems, including nanoparticle-protein interactions, biomolecular dynamics, and surface-engineered nanomaterials.
Translational Nanotechnology
Industry-linked development of scalable sensing and diagnostic technologies for healthcare, food safety, environmental monitoring, and wearable systems.
His research has contributed to the development of next-generation diagnostic technologies, smart antimicrobial materials, and nano-enabled sensing systems through collaborations with industry, hospitals, and government agencies.

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