Publications 

1.    Jessica L. Lawson, Kaitlin C. Lesco, Ram Prasad Sekar, Grant Wheeler,  Kim Ratanathanawongs Williams* Ramya Kumar, “Free Polymers Skew Polyplex Solution Properties and Confound the Interpretation of Structure–Function Relationships”, ACS Polymers Au 2026, https://pubs.acs.org/doi/10.1021/acspolymersau.6c00080, IF:6.7

2.    Claire L. Nelson, Caitlyn A. Castellion, Adam P. Humpal, Ram Prasad Sekar, Niraj Chaudhary, Luis G. Villa-Diaz*, Ramya Kumar* “Glycosaminoglycan-Inspired Polymer Brushes Promote Human Mesenchymal Stem Cell Proliferation While Retaining Trilineage Differentiation Potentia”l. ACS Applied Materials & Interfaces 2026, https://pubs.acs.org/doi/10.1021/acsami.5c23781. IF: 8.2

3.     Adam P. Humpal, Alexander Dhupar, Ram Prasad Sekar, Nancy S. Muyanja, Anuj Chauhan, Ramya Kumar, “Polymer Microstructure Directs the Solvent-Selective Swelling Response of Polymer Brushes” Macromolecules 2025, 58, 17, 9110–912, https://doi.org/10.1021/acs.macromol.5c01659. IF: 5.2

4.     Ram Prasad Sekar, Jessica L. Lawson, Caleb McGrath, Grant Wheeler, Gautier Moreau, Chelsea G. Johansen, Nikki L. Farnsworth, and Ramya Kumar, “Tuning DLVO interactions alters polymer-mediated pDNA delivery in a cell type-dependent manner” Langmuir 2025. https://doi.org/10.1021/acs.langmuir.5c00089. IF: 3.9

5.     Jessica L. Lawson, Ram Prasad Sekar, Aryelle R. E Wright, Grant Wheeler, Jillian Yanes, Jordan Estridge, Chelsea Johansen   Nikki Farnsworth, Praveen Kumar, Jian Wei Tay, Ramya Kumar, “The spatial distribution of lipophilic cations in gradient copolymers regulates pDNA binding interactions, polyplex aggregation, and transgene expression. Biomacromolecules 2024 25 (10), 6855-6870,  https://doi.org/10.1021/acs.biomac.4c01101 IF: 5.8

6. Aswathy Prasad, Ram Prasad Sekar, Smitha Devi Sudhamani, Jayakrishnan Athipettah, Lightson Ngashangva “Novel Functional Carbon Dots as Nanocarriers for Efficient-Loading and Sustained Release of Doxorubicin for Cancer Therapeutics”, Biomedical Materials, 2024, 19 065018, https://iopscience.iop.org/article/10.1088/1748-605X/ad7f3a. IF: 3.9

7. Ram Prasad Sekar, Jessica L. Lawson, Aryelle R.E. Wright, Caleb McGrath, Cesar Schadeck, Praveen Kumar, Jian Tay, Joseph Dragovan, Ramya Kumar “Poly (L-glutamic acid) augments the transfection performance of lipophilic polycations by overcoming trade-offs among cytotoxicity, pDNA delivery efficiency, and serum stability” RSC Applied Polymers, 2024, 2, 701-718, https://doi.org/10.1039/D4LP00085D.

8. Ram Prasad Sekar, Sruthi Sudheendran Leena, Ani Deepthi, Resmi.A. N, Ramapurath S.Jayasree, K. S. Sandhya, A. Jayakrishnan, “Doxorubicin-Polysorbate 80 Conjugates: Targeting Effective and Sustained Delivery to the Brain” RSC Pharmaceutics, 2024, 1, 412 – 429. https://doi.org/10.1039/D4PM00053F.

9. S. Ram Prasad, T. S Sampath Kumar, A. Jayakrishnan, “Nanocarrier based drug delivery systems for bone cancer therapy: a review” Biomedical Materials 2021, 16, 044107. https://doi.org/10.1088/1748-605X/abf7d5. IF:3.9

10.  S. Ram Prasad, A. Jayakrishnan, T. S Sampath Kumar, “Hydroxyapatite-Dextran Methacrylate Core/Shell Hybrid Nanocarriers for Combinatorial Drug Therapy” Journal of Materials Research, 2020, 35, 18, 2451-2465, https://doi.org/10.1557/jmr.2020.193. IF: 2.9

11.  S. Ram Prasad, A. Jayakrishnan, T. S Sampath Kumar, “Combinational delivery of anticancer drugs for osteosarcoma treatment using electro sprayed core shell nanocarriers” Journal of Material Science: Materials in Medicine, 2020, 31, 44. https://doi.org/10.1007/s10856-020-06379-5. IF: 4.5

12.  S.Ram Prasad, A. Jayakrishnan, T. S Sampath Kumar, “Hydroxyapatite-poly(vinyl alcohol) core-shell nanoparticles for dual delivery of methotrexate and gemcitabine for bone cancer treatment” Journal of Drug Delivery Science and Technology, 2019.51:629-638.  https://doi.org/10.1016/j.jddst.2019.03.041.  IF: 4.9

13.  S. Ram Prasad, T. S Sampath Kumar, A. Jayakrishnan, “Ceramic core with polymer corona hybrid nanocarrier for the treatment of osteosarcoma with co-delivery of protein and anti-cancer drug” Nanotechnology, 2017, 29:015101. https://doi.org/10.1088/1361-6528/aa9a21. IF: 2.9

14.  Selvapriya Kumaraswamy, Sutharsan R. Thangasundaralingam, Ram Prasad Sekar, A. Jayakrishnan, “A floating-type dosage form of repaglinide in polycarbonate microspheres” Journal of Drug Delivery Science and Technology, 2017,41: 99-105.  https://doi.org/10.1016/j.jddst.2017.07.005 IF: 4.9