Dragnea Research Group

Dragnea Research Group Assembly and Dynamics of Macromolecular and Nanoparticle Complexes How do we reach beyond the crystalline state in metamaterials?

Exploring and emulating the synergies encountered in self-organizing biological matter has been a central theme of our research program.
1.Development of new imaging tools and techniques, for in situ single nanoparticle growth, optical stress in nanoparticle clusters, and mechanical stress in viruses.
2.Work on fundamental questions relating to bio-inspired self-assembly, e.g. How to achieve bottom-up, efficient three-dimensional organization, controlled at multiple scales? What physical principles govern morphogenesis in self-organized biological systems such as viruses?
3.Applied research, explorations in bio-enabled synthesis of metamaterials, energy transduction at nanoscale, and the biomedical field.

And here is the article "An Assembly-Line Mechanism for In Vitro Encapsulation of Fragmented Cargo in Virus-Like Particl...
02/24/2026

And here is the article "An Assembly-Line Mechanism for In Vitro Encapsulation of Fragmented Cargo in Virus-Like Particles". Congratulations Ayesha Amjad and all collaborators on really cool work!

The ability of virus shells to encapsulate a wide range of functional cargoes, especially multiple cargoes─siRNAs, enzymes, and chromophores─has made them an essential tool in biotechnology for advancing drug delivery applications and developing innovative new materials. Since therapeutic cargo ...

February 24th cover for illustrates assembly line mechanism for encapsulation of multiple nanoparticles inside a brome ...
02/24/2026

February 24th cover for illustrates assembly line mechanism for encapsulation of multiple nanoparticles inside a brome mosaic virus protein cage that occurs through the formation of nanoparticle-coat protein oligomers first, followed by the assembly of oligomers.

Congratulation to JB Holmes on his new paper in Nanoscale! Cool collaboration with Jacobson group at IU Chemistry!https:...
03/09/2023

Congratulation to JB Holmes on his new paper in Nanoscale! Cool collaboration with Jacobson group at IU Chemistry!
https://doi.org/10.1039/D2NA00570K

Solving Maxwell's equations numerically to map electromagnetic fields in the vicinity of nanostructured metal surfaces can be a daunting task when studying non-periodic, extended patterns. However, for many nanophotonic applications such as sensing or photovoltaics it is often important to have an a...

12/22/2022

New work from Dragnea group by now Dr. Suhun Jo - Real-Time Optical Measurements of Nanoparticle-Induced Melting and Resolidification Dynamics. Congratulations, Suhun!!!

Congratulations to Dr. Suhun Jo with successful defense and graduation!!! Good luck with your new adventures!!
12/22/2022

Congratulations to Dr. Suhun Jo with successful defense and graduation!!! Good luck with your new adventures!!

Congratulations to Amala Raj on her first paper in JOSA A: Orbital dynamics at atmospheric pressure in a lensed dual-bea...
07/28/2022

Congratulations to Amala Raj on her first paper in JOSA A: Orbital dynamics at atmospheric pressure in a lensed dual-beam optical trap. Check those cool trajectories!!
https://doi.org/10.1364/JOSAA.459301

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