Research Focus Areas
Custom Synthesis of Metal/Porous Nanoparticles
Nanotoxicology
Biomedical Image Contrast Agents
Precision Nanoprobes
Molecular Nanotechnology
Custom Synthesis of Metal/Porous Nanoparticles
Standardized synthesis of Gold nanoparticles (nanoclusters, 5 nm, 10 nm, 16 nm) Silver nanoparticles (nanoclusters, 10 nm, 40 nm, 95 nm) Iron oxide nanoparticles (10 nm) Gadolinium oxide (5 nm, 10 nm) Hafnium oxide (5 nm, 10 nm) Microporous silica particles (15 nm, 50 nm, 100 nm, 400 nm) Other nanoparticles currently being optimized include …
Nanotoxicology
Nanotoxicity assessment is an integral part of designing biomedical probes. In vitro toxicity of nanoparticles is assessed using murine (L929) and human cell lines (HUVEC, RAW246.7). In vivo toxicity was assessed in zebrafish models, and in vivo biodistribution/blood pool kinetics was assessed in athymic and euthymic mouse models. Representative Publications …
Biomedical Image Contrast Agents
Scaled up the synthesis of nanoparticle contrast agents. I specialize in the synthesis of long emission lifetime, fluorescent and photoluminescent nanoparticles. This is achieved by modifying Au cores with fluorophore embedded shells or Au nanoclusters with tunable photoluminescence. Fluorescent silica particles with sizes ranging from 15 nm to 400 nm are also available. Such probes …
Precision Nanoprobes
Antibody-drug conjugates are emerging as a frontrunner in precision targeted therapeutics. However, this capability is still beyond the ability of most academic laboratories. The primary reason for this is the need to identify a precise binding site on the constant region of the antibody (Fc) for the drug molecule to be conjugated, while not affecting …
Molecular Nanotechnology
This is the current focus of my research. Utilizing anisotropic and hybrid nanoparticle architectures to introduce directionality in motion, precisely orienting targeting molecules and directed exertion of force by nanosystems. Anisotropic nanoparticles can be Janus hybrids or non-spherical nanoparticles and include rods, plates, prisms, and core-shells. This will lay the basis for nanomotors and nanomachines …
Nallathamby Lab at the Society for Biomaterials/ Japanese Society for Biomaterials (Jan 8-10, 2022) Hawaii
Virtually presented our lab’s research on tackling two pressing problems in biomedical research at the Society for Biomaterials/ Japanese Society for Biomaterials joint Symposium in Honolulu, Hawaii. (January 8-10, 2022). I am presenting our research on broad-spectrum antibiotic-free antibacterials to combat multi-drug resistant bacterial infections. Oral Presentation Session: Session 1: Bioglasses/Ceramics/Other Hard Materials2:37 – 2:52 …
Excited to be Funded by the Institute for Precision Health’s Harvest Grant
The University of Notre Dame’s Institute for Precision Health (IPH) has awarded funding to researchers spanning multiple departments at the University, as well as to colleagues at partner schools. IPH awarded proposals with two types of funding: seed grants, which provide funding for high-risk, high-reward research ideas, and harvest grants, which help researchers expand on established projects or pursue …
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