| Kinetics and thermodynamic studies of corrosion inhibition of mild steel using Methanolic extract of erigeron floribundus (Kunth) in 2 M HCl solution FE Abeng, VD Idim, PJ Nna World news of natural sciences 10, 2017 | 39 | 2017 |
| Determination of physicochemical parameters of effluents at discharge points into the New Calabar River along Rumuolumeni axis, Niger Delta, Nigeria OS Edori, PJ Nna Journal of Environmental and Analytical Toxicology 8 (3), 2161-0525, 2018 | 29 | 2018 |
| Total petroleum hydrocarbon concentration in surface water of cross River Estuary, Niger Delta, Nigeria IE Daniel, PJ Nna Asian Journal of Environment & Ecology 1 (2), 1-7, 2016 | 26 | 2016 |
| Inhibitive action of alkaloids and non alkaloid fractions of the ethanolicextracts of Phyllanthus amarus on the corrosion of mild steel in HCl solution FE Abeng, UJ Ekpe, AI Ikeuba, BU Ugi, PJ Nna Global journal of pure and applied sciences 19 (2), 107-117, 2013 | 21 | 2013 |
| Creativity and process skills for self-reliance using demonstration approach of teaching Chemistry AA Ajoke, PJ Nna ARPN Journal of Science and Technology 11 (2), 1022-1033, 2012 | 16 | 2012 |
| Lipid biomarker analysis of suspended particulate matter from the Great Kwa River, SE Nigeria: origins and environmental implications of biogenic and anthropogenic organic … BRT Simoneit, O Pisani, BO Ekpo, EP Fubara, PJ Nna, OD Ekpa Aquatic Geochemistry 23, 89-108, 2017 | 10 | 2017 |
| Determination of phytoconstituents and antimicrobial analysis of the ethyl acetate extract of Carica papaya seed PJ Nna, OJ Egbuje, DC Don-Lawson International Journal Research and Innovation in Applied Science 4 (12), 1-7, 2018 | 9 | 2018 |
| Phytochemical and antimicrobial screening of root extracts of Dacryodes edulis P Nna, T Tor-Anyiin, J Igoli, M Khan, J Anyam Biotechnology Journal International 19 (3), 1-9, 2017 | 7 | 2017 |
| Synthesis, characterization, anti-cancer and antimicrobial studies of iron oxide nanoparticles mediated by Terminalia catappa (Indian almond) leaf extract EE Elemike, PJ Nna, C Ikenweke, D Onwudiwe, ET Omotade, M Singh Inorganic Chemistry Communications 155, 111048, 2023 | 6 | 2023 |
| Stigmasterol and β-sitosterol from the root of Mangifera indica and their biological activities against some pathogens PJ Nna, TA Tor-Anyiin, E Muluh Journal of Complementary and Alternative Medical Research 7 (4), 1-10, 2019 | 6 | 2019 |
| Fagaramide and pellitorine from the stem bark of Zanthoxylum zanthoxyloides and their antimicrobial activities. S PJ Nna, TA Tor-Anyiin, JO Igoli Asian Res. J. Nat. Prod 2, 1-8, 2019 | 6 | 2019 |
| Phytochemical screening and antimicrobial activities of methanolic extract of Newbouldia laevis roots BN Forghe, PJ Nna World J Pharm Res 9 (4), 73-83, 2020 | 5 | 2020 |
| Evaluation of the bioactive constituents and antimicrobial potentials of the ethyl acetate extract of Costus afer stem PJ Nna, DC Don-Lawson, CT Agber Evaluation 2 (5), 2018 | 3 | 2018 |
| Comparative Studies on Chemical Compositions and Bioactivity of Fresh Fruit and Seed of Aratocarpusheterophyllus PJ Nna, KJ Orie Direct Research Journal Chemical Material Science 11 (6), 40-48, 2023 | 2 | 2023 |
| Analysis of the phytoconstituents of chromolaena odorata leaves and its bioactivities against some clinical and plant pathogens N Ejiofor, PJ Nna Faculty of Natural and Applied Sciences Journal of Scientific Innovations 3 …, 2022 | 1 | 2022 |
| A furofuranoid lignan from the roots and some phytochemicals from the leaves of Aspilia africana (Pers.) CD Adams IR Jack, GI Ndukwe, PJ Nna American Journal of Chemistry and Application 4 (4), 21-25, 2017 | 1 | 2017 |
| Impact of Eleme petrochemicals company (Indorama) on the levels of some heavy metals in Penaus monodon (shrimp) from Eleme creeks, Rivers State, Nigeria JD Nwineewii, PJ Nna Academic Research International 7 (4), 47-57, 2016 | 1 | 2016 |
| Comparative toxicity of petrol and kerosene to periwinkle (Tympanotonus fuscatus) OS Edori, ES Edori, PJ Nna Global Journal of Pure and Applied Sciences 20 (1), 25-29, 2014 | 1 | 2014 |
| Chemistry as an Entrepreneurial Tool PJOE NNA, JD NWINEEWI EVP Multidisciplinary Journal of public Policy and contemporary issues 3 (4 …, 2010 | 1 | 2010 |
| Potential of magathyrsus maximum and pennisetum glaucum for sustainable soil restoration IE Ogah, AC Marcus, PJ Nna Faculty of Natural and Applied Sciences Journal of Scientific Innovations 5 …, 2024 | | 2024 |
