The Ohio State University

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Prior to The Ohio State University

Ranathunge, T.A.; Curiac C.; Green, K. A.; Kolodziejczyk, W.; Hill, G.; Morgan, S.; Delcamp, J. H.; and Watkins, D. L. “Heteroacene-Based Polymer with Fast-Switching Visible–Near Infrared Electrochromic Behavior,” ACS Appl. Mater. Interfaces, 2023, DOI: 10.1021/acsami.2c21111

Qi, Y; Yaddehige, M. L; Green, K.; Moore, J.; Jha, S.; Ma, G.; Wang, C.; Watkins, D. L.; Gu, X.; Patton, D.; Morgan, S.; Dai, Q., “Perovskite Films Passivated by a Dendrimer Toward High Efficiency and High Stability Devices”. J. Power Sources. 2022. DOI: 10.1016/j.jpowsour.2022.231518

Hamadani, C. M.; Chandrasiri, I.; Yaddehige, M. L; Dasanayake, G. S.; Owolabi, I.; Flynt, A.; Hossain, M.; Liberman, L.; Lodge, T. P.; Werfel, T. A.; Watkins, D. L.; Tanner, E. E. L., “Improved Nanoformulation and Bio-functionalization of Linear-Dendritic Block-co-Polymers with Biocompatible Ionic Liquids ”. Nanoscale 2022. DOI: 10.1039/d2nr00538g

Sparks, N.; Dorris, A.; Vijayan, Vijayan, S. M.; Chandrasiri, I.; Zia, M. F.; Hammer, N. I.; Flynt, A.; Watkins, D. L., “Amphiphilic Self-assembling Isoindigo-based Donor-Acceptor Fluorophore for Near-infrared Bioimaging Applications”. Mol. Syst. Des. Eng. 2022, DOI: 10.1039/d2me00014h

Chandrasiri, I.; Yaddehige, M. L; Li, B; Sun, Y; Meador, W.; Dorris, A.; Zia, M. F.; Hammer, N. I.; Flynt, A.;  Delcamp, J. H.; Davis, E.; Lippert, A.; and Watkins, D. L. “Crosslinking PCL-PAMAM Linear Dendritic Block Copolymers (LDBC) for Theranostic Nanomedicine,” ACS App. Poly. Mater., 2022, DOI: 10.1021/acsapm.1c01131

Chandrasiri, I.; Yaddehige, M. L; Li, B; Sun, Y; Meador, W.; Dorris, A.; Zia, M. F.; Hammer, N. I.; Flynt, A.; Delcamp, J. H.; Davis, E.; Lippert, A.; and Watkins, D. L. “ Crosslinking PCL-PAMAM Linear Dendritic Block Copolymers (LDBC) for Theranostic Nanomedicine,” ACS App. Poly. Mater., 2021, Accepted

Don, R. W.; Dowell, T. J.; Simms, B. L.; Watkins, D. L.; Wipf, D. O.; and Scott, C.N. “ Polyrhodamine: A pH-responsive redox stable conducting polyelectrolyte,” Polym. Chem., 2021, DOI: 10.1039/D1PY01474A

Ndaleh, D.; Smith, C.; Yaddehige, M. L.; Shaik, A.; Watkins, D. L.; Hammer, N. I.; Delcamp, J. H. “ Shortwave Infrared Absorptive and Emissive Pentamethine-Bridged Indolizine Cyanine Dyes,” J. Org. Chem., 2021, DOI: 10.1021/acs.joc.1c01908

Chatterjee, S.; Meador, W.; Smith, C.; Chandrasiri, I.; Zia, M. F.; Dorris, A.; Flynt, A.; Watkins, D. L.; Hammer, N. I.; Delcamp, J. H. “ SWIR Emissive RosIndolizine Dyes and Nanoencapsulation of the Dyes in Water Soluble Dendrimers,” RSC Adv, 2021, DOI: 10.1039/d1ra05479a

Ranathunge, T. A.; Yaddehige, M. L; and Watkins, D. L. “Heteroacene-Based Amphiphile as a Molecular Scaffold for Bioimaging Probes,” Front. Chem.: Suprastars of Chemistry Edition, 2021, DOI: 10.3389/fchem.2021.729125

Simms, B. L.; Chandrasiri, I.; Rieger, W. D.; Yaddehige, M. L; Williams, J. S. D.; and Watkins, D. L. “Physicochemical Properties and Bio-Interfacial Interactions of Surface Modified PDLLA-PAMAM Linear Dendritic Block Copolymers (LDBCs),” J. Polym. Sci., 2021, DOI: 10.1002/pol.20210448

Ranathunge, T. A.; Nirmani, L. P. T.; Nelson, T. L.; and Watkins, D. L. “Benzodithiophene-S,S-tetraoxide (BDTT) as an Acceptor Towards Donor-Acceptor (D-A) Type Semiconducting Electropolymers,” ChemElectroChem, 2021, DOI: 10.1002/celc.202100219

Vijayan, S. M.; Sparks, N.; Roy, J. K.; Smith, C.; Tate, C.; Hammer, N. I.; Leszczynski, J.; and Watkins, D. L. “Evaluating Donor Effects in Isoindigo Based Small Molecular Fluorophores,” J. Phys. Chem. A., 2020, DOI: 10.1021/acs.jpca.0c07796

Yaddehige, M. L.; Chandrasiri, I.; Kotha, A.; Barker, A.; Simms, B. L.; Williams, J. S. D.; Abebe, D. G.; Kucheryavy, P.; Chougule, M. B.; and Watkins, D. L. “ Structural and Surface Properties of Polyamidoamine (PAMAM) – Fatty Acid‐based Nanoaggregates Derived from Self‐assembling Janus Dendrimers,” ChemNanoMat., 2020, DOI:10.1002/cnma.202000498

Sparks, N.; Ranathunge, T. A.; Karunathilaka, D.; Tate, C. M.; Delcamp, J. H.; Rajapakse, R. M. G.; and Watkins, D. L. “Achieving Complex Isoindigo-based Donor-Acceptor (D–A) Type Copolymeric Materials Via Electro-Copolymerization,” ChemElectroChem, 2020, DOI: 10.1002/celc.202000897

Chandrasiri, I.; Abebe, D. G.; Yaddehige, M. L.; Williams, J. S. D.; Zia, M. F.; Dorris, A.; Barker, A.; Simms, B. L.; Parker, A.; Le, N.; Gayton, J. N.; Hammer, N. I.; Flynt, A.; Delcamp, J. H.; and Watkins, D. L. “Self-Assembling PCL-PAMAM Linear Dendritic Block Copolymers (LDBCs) for Bioimaging and Phototherapeutic Applications,” ACS Appl. Bio Mater., 2020, DOI: 10.1021/acsabm.0c00432

Ranathunge, T. A.; Ngo, D.; Karunathilaka, D.; Attanayake, N. H.; Chandrasiri, I.; Delcamp, J. H.; Rajapakse, R. M. G.; and Watkins, D. L. “Hierarchical Structures Of Complex Electronically Conducting Organic Polymers Via One-Step Electro-Polymerization,” J. Mater. C., 2020, DOI: 10.1039/c9tc06945c

Balasubramaniam, S.; May, X., Rivas, F., Dodson, K., Vijayan, S. Adhikari, S., Watkins, D. L., Stoddard, S. “Design and Synthesis of Diazine-based Panobinostat Analogues for HDAC8 Inhibition,” Beilstein J. Org. Chem., 2020, DOI:10.3762/bjoc.16.59

Stoddard, S. V., Dodson, K., Adams, K., Watkins, D. L., “In silico Design of Novel Histone Deacetylase 4 Inhibitors: Design Guidelines for Improved Binding Affinity,” Int. J. Mol. Sci. 2020, DOI: 10.3390/ijms21010219

Rajapakse, R. M. G.; Attanayake, N. H.; Karunathilaka, D.; Steen, A. E., Hammer, N. I.; Strongin, D. R.; and Watkins, D. L. “Advances in Electro-copolymerization of NIR Emitting and Electronically Conducting Block Copolymers” J. Mater. C. (Communications), 2019, DOI: 10.1039/C8TC06331A

Ranathunge, T. A.; Karunaratne, D.; Rajapakse, R.; Watkins, D.L. “Doxorubicin Loaded Magnesium Oxide Nanoflakes as pH Dependent Carriers for Simultaneous Treatment of Cancer and Hypomagnesemia,” Nanomaterials., 2019, DOI: 10.3390/nano9020208

Ranathunge, T. A.; Ngo, D.; Attanayake, N. H.; Karunathilaka, D.; Delcamp, J. H.; Rajapakse, R. M. G.; and Watkins, D. L. “Radically Accessing D–A Type Ambipolar Copolymeric Materials with Intrinsic Electrical Conductivity and Visible–Near Infrared Absorption Via Electro-Copolymerization,” Macromol. Chem. Phys., 2019, 220, 1900289, DOI: 10.1002/macp.201900289

Steen, A. E., Ellington, T. L., Shuford, K. L., Tschumper, G. S., Watkins, D.  L. and Hammer, N. I. “A Raman Spectroscopic and Computational Study of New Aromatic Pyrimidine-Based Halogen Bond Acceptors,” Inorganics: Special Issue on Halogen Bonding, 2019, 7(10), 119, DOI: 10.3390/inorganics7100119

Steen, A; Ellington, T. L.; Nguyen, S. T.; Balasubramaniam, S.;  Chandrasiri, I.; Delcamp, J. H.; Tschumper, G. S.; Hammer, N. I.; Watkins, D. L. “Probing the Photophysical Behavior of Furan- and Thiophene-Containing Bispyridyl Oligomers via Spectroscopic and TD-DFT Methods,” J. Phys. Chem. C. 2019, DOI: 10.1021/acs.jpcc.9b01510

Chandrasiri, I.; Abebe, D. G.; Gupta, S.; Williams, J. S. D.; Rieger, W. D.; Simms, B. L.; Noh,Y.; Payne, M. E.; Fortenberry, A.; Smith, A.; Lee, B.; Grayson, S. M.; Schneider, G. J. and Watkins, D. L., “Synthesis and Characterization of PAMAM-Polylactide “Janus-type” Linear-Dendritic Hybrids.” J. Polym. Sci. A, 2019, DOI: 10.1002/pola.29409

Johnson, S. N.; Ellington, T. L.; Nevarez, J.; Ngo, D.; Sparks, N.; Rheingold, A. L.; Watkins, D. L. and Tschumper, G. S. “Probing Non-covalent Interactions Driving Molecular Assembly in Organo-electronic Building Blocks,” CrystEngComm., 2019, DOI: 10.1039/C9CE00219G.

May, X., Rivas, F., Dodson, K., Vijayan, S. Adhikari, S., Parker, K., Watkins, D. L., Stoddard, S. “Design of Potent Panobinostat Histone Deacetylase Inhibitor Derivatives: Molecular Considerations for Enhanced Isozyme Selectivity between HDAC2 and HDAC8,” Mol. Inf., 2018, DOI:10.1002/minf.201800080

Baumann, A., Cheema, H., Sabuj, M A., McNamara, L. E., Peddapuram, A., Zhang, Y., Nguyen, S. T., Watkins, D. L., Hammer, N. I., Raib, N. and Delcamp, J. H. “Iodine Binding with Thiophene Versus Furan Based Dyes for DSC,” Phys. Chem. Chem. Phys. DOI: 10.1039/c8cp03065k

Weldeab, A. O.; Starkenburg, D. J.; Steen, A., Abboud, K. A.; Xue, J.; Castellano, R. K.; and Watkins, D. L.. “Hierarchical Assembly of a Low Energy Gap pi-Conjugated Oligomer via Synergetic Halogen and Hydrogen Bonding,” J. Mater. Chem. C. DOI: 10.1039/c8tc00074c

Nguyen, S. T., Ellington, T. L., Allen, K. E., Gorden, J. D., Rheingold, A. L., Tschumper, G. S., Hammer, N. I., and Watkins, D. L. “Systematic Experimental and Computational Studies of Substitution and Hybridization Effects in Solid-State Halogen Bonded Assemblies,” Cryst. Growth Des., DOI: 10.1021/acs.cgd.8b00398

Cheema, H.; Peddapuram, A.; Adams, R.; McNamara, L.; Hunt, L.; Le, N.; Watkins, D.L.; Hammer, N. I.; Schmehl, R.; Delcamp, J. “Molecular Engineering of NIR Absorbing Thienopyrazine Double Donor Double Acceptor Organic Dyes for DSCs,” J. Org. Chem., 2017, DOI: 10.1021/acs.joc.7b01750

Zhang, Y.; Autry, S.; McNamara, L.; Nguyen, S.; Le, N.; Brogdon, P.; Watkins, D.L.; Hammer, N.I.; Delcamp, J. “Near-Infrared Fluorescent Thienothiadiazole Dyes with Large Stokes Shifts and High Photostability”, J. Org. Chem. 2017, DOI: 10.1021/acs.joc.7b00422

Gindt, B. P.; Tang, Z.; Watkins, D.L.; Abebe, D. G.; Seo, S.; Tuli, S.; Ghassemi, H.; Zawodzinski, T. A.; Fujiwara, T. “Effects of Sulfonated Side Chains Used in Polysulfone-based PEMs for VRFB Separator”, J. Membrane Sci. 2017, DOI: 10.1016/j.memsci.2017.03.013.

Ellington, T.L.; Reves, P.L.; Simms, B.L.; Wilson, J.L.; Watkins, D.L.; Tschumper, G.S.; Hammer, N.I. “Quantifying the Effects of Halogen Bonding by Haloaromatic Donors on the Acceptor Pyrimidine”, Phys. Chem.Chem. Phys. 2017, DOI: 10.1002/cphc.201700114

Nguyen, S.T.; Rheingold, A.; Tschumper, G. S.; Watkins, D. L. “Elucidating the Effects of Fluoro and Nitro Substituents on Halogen Bond Driven Assemblies of Pyridyl-capped π-Conjugated Molecules”, Cryst. Growth Des. 2016, Just Accepted: DOI: 10.1021/acs.cgd.6b01321.

Albers, T.; Watkins, D. L.; Gameiro, A.; Povstyanoy, V. y.; Povstyanoy, M.; Lebedyeva, I., Benzotriazole-Based Strategies Toward Peptidomimetics, Conjugates, and Other Peptide Derivatives. In Topics in Heterocyclic Chemistry, Springer Berlin Heidelberg: 2015; 1-47.

Wilson, J.; Williams, J. S. D.; Petkovsek, C.; Reves, P.; Jurss, J. W.; Hammer, N. I.; Tschumper, G. S.; Watkins, D. L. “Synergistic Effects of Halogen Bond and π-π Interactions in Thiophene-based Building Blocks”, R. Soc. Chem. Adv. 2015, Accepted: DOI: 10. 1039/C5RA16680B.

Prior to the University of Mississippi

Shewmon, N. T.; Watkins, D. L.; Galindo, J.; Bou Zerdan, R.; Chen, J.; Keum, J.; Roitberg, A. E.; Xue, J.; Castellano, R. K. “Enhancement in Organic Photovoltaic Efficiency through the Synergistic Interplay of Molecular Donor Hydrogen Bonding and π-Stacking”, Adv. Funct. Mater. 2015, 25, 5166-5177.

Xueying, Z.; Cruz, J. F.; Watkins, D. L.; Xue, J.; Roitberg, A. E.; Castellano, R. K.; Perry, S. S. “Hydrogen Bond Directed Assembly of Oligothiophene/fullerene Superstructures on Au”, Org. Electron. 2015, 19, 61-69.

Schulze, B. M.; Watkins, D. L.; Zhang, J.; Ghiviriga, I.; Castellano, R. K. “Estimating the Shape and Size of Supramolecular Assemblies by Variable Temperature Diffusion Ordered Spectroscopy”, Org. Biomol. Chem. 2014, 12, 7932-7936.

Schulze, B. M.; Shewmon, N. T.; Zhang, J.; Watkins, D. L.; Mudrick, J. P.; Cao, W.; Bou Zerdan, R.; Quartararo, A. J.; Ghiviriga, I.; Xue, J.; Castellano, R. K. “Consequences of Hydrogen Bonding on Molecular Organization and Device Performance in Molecular Organic Photovoltaic Cells”, J. Mater. Chem. A. 2014, 2, 1541-1549.

Watkins, D. L.; Fujiwara, T. “Bis-Spironaphthooxazine Based Photochromic Polymer Materials”, J. Mater. Chem. C. 2013, 1, 506-514. DOI: 10.1039/C2TC00098A

Watkins, D. L.; Fujiwara, T. “Synthesis, Characterization, and Solvent-Independent Photochromism of Spironaphthooxazine Dimers”, J. Photochem. Photobiol. A: Chem. 2012, 228, 51-59.

Kumar, S.; Watkins, D. L.; Fujiwara, T. “Tailored Spirooxazine Dimer as a Photoswitchable Binding Tool”, Chem. Commun. 2009, 28, 4369-4371