Selected Publications

  1. Francis J. Osonga, Ali Akgul, Idris Yazgan, Ayfer Akgul, Gaddi B. Eshun, Laura Sakhaee,  and Omowunmi A. Sadik, Size and shape-dependent antimicrobial activities of silver and gold nanoparticles: A model study as potential fungicides, Molecules, 2020, 25, 2682.
  2. Francis J. Osonga,   Sanjay Kalra,  Roland M. Miller,  Daniel Isika  and  Omowunmi A. Sadik, Synthesis, characterization and antifungal activities of eco-friendly palladium nanoparticles, RSC Adv., 2020,10, 5894-5904
  3. Francis J. Osonga, Victor M. Kariuki, Victor M. Wambua, Sanjay Kalra, Bruno Nweke, Roland M. Miller, Mustafa Çeşme, and Omowunmi A. Sadik, Photochemical Synthesis and Catalytic Applications of Gold Nanoplates Fabricated using Quercetin Diphosphate macromolecules, ACS Omega 2019 4 (4), 6511-6520.
  4. Francis J. Osonga, Ali Akgul, Roland M. Miller, Gaddi B. Eshun, Idris Yazgan, Ayfer Akgul, Omowunmi A. Sadik, Antimicrobial Activity of a New Class of Phosphorylated and Modified Flavonoids, ACS Omega 2019, 4, 12865-12871.
  5. Idris Yazgan, Ayfer Akgu, Lauren E. Cronmiller, Ali Akgul, Jing Zhang, Victor Kariuki, Francis Osonga, Abbey McMahon, Yang Gao, Seokheun Choi, Omowunmi A Sadik, Selective Detection of Penicillium italicum using Gold Nanoparticles and Carbohydrate-lectin Interactions at Paper and other Substrates, ACS Sensors, 3, 648−654, 2018.
  6. Omowunmi A Sadik, Idris Yazgan, Orhan Eroglu, Peng Liu, Sarah T. Olsen, Alecia M. Moser, Phillip G. Sander, Courage Tsiagbe, Kei Harada, Saeed Bajwa, Christian D. Tvetenstrand, Lijun Yin, Peter Gerhardstein, Objective Pain Analysis Using Serum Cyclooxygenase-2 and Inducible Nitric Oxide Synthase in American Patients, Clinical Chemistry, 484, 278-283, 2018.
  7. Francis J. Osonga, Phuong Le, David Luther, Laura Sakhaee and Omowunmi A. Sadik, Water-based synthesis of gold and silver nanoparticles with cuboidal and spherical shapes using luteolin tetraphosphate at room temperature, Environmental Science: Nano, 5, 917, 2018.
  8. Victor M.  Kariuki, Jason C Hoffemeir, Idris Yazgan, and Omowunmi A. Sadik, Seedless synthesis and SERS characterization of multi-branched gold nanoflowers using water-soluble polymers, Nanoscale, 2017, 9, 8330-8340.
  9. Jing Zhang, Idris Yazgan, Victor M. Kariuki, and Omowunmi A. Sadik, Poly (amic) acid improves the efficiency and stability of PtCr Nanoparticle Catalyst during Ethanol Oxidation Reaction, Journal of Electrochemical Society, 164 (12) H701-H706, 2017, 10.1149/2.0211712jes.
  10. Francis J. Osonga, Joab O. Onyango, Samuel K. Mwilu, Naomih M.Noah, Jürgen Schulte, Ming An & Omowunmi A. Sadik, Synthesis and characterization of novel flavonoid derivatives via sequential phosphorylation of Quercetin, Tetrahedron Letters 58 (2017) 1474–1479).
  11. Kariuki, V. M., Panetier, J., Schulte, J., and Sadik, O. A. (2016) Directional Templating Mechanisms of Anisotropic Nanoparticles Using Poly (Pyromellitic Dianhydride-p-Phenylene Diamine), The Journal of Physical Chemistry C.. 2016, 120 (37), pp 21027–21036, DOI: 10.1021/acs.jpcc.6b03369.
  12. Francis J. Osonga, Idris Yazgan, Victor Kariuki, David Luther, Apryl Jimenez, Phuong Le & Omowunmi A. Sadik, Greener Synthesis and Characterization, Antimicrobial and Cytotoxicity Studies of Gold Nanoparticles of Different Shapes and Sizes, Journal of Total Environment, 563-564, 977-986, 2016, doi:10.1016/j.scitotenv.2015.12.064.
  13. Sadik O. A., Du N., Kariuki V., Okello V., &   Bushlyar V., Current and Emerging Technologies for the Characterization of Nanomaterials, ACS Sustainable Chemistry & Engineering, 2, 1707-1716, 2014.  
  14. Veronica A. Okello, Ailing Zhou, Jane Chong, Michael T. Knipfing, David Doetschman & Omowunmi A. Sadik, Reduction of Hexavalent Chromium using Naturally-derived Flavonoids, Environmental Science & Technology, 46 (19),  10743–10751, 2012.
  15. Ngundi M. Sadik O.A., Suye S., Takashi Y, “First Comparative Reaction Mechanisms for Estrogens and Environmental Hormones, Electrochemistry Communications, 5, 61-67, 2003.
  16. Breimer M.,  Yevgheny E., Sadik O. A., “Incorporation of Metal Particles in Polymerized Organic Conducting Polymers - A Mechanistic Insight,” Nano Letters, 1 (6), 305, 2001.