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Nkpa Ogarekpe
Nkpa Ogarekpe
Department of Civil Engineering, University of Cross River State, Nigeria
Verified email at unicross.edu.ng
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Cited by
Cited by
Year
Equilibrium and thermodynamic investigation of biosorption of nickel from water by activated carbon made from palm kernel chaff
CC Nnaji, AE Agim, CN Mama, PGC Emenike, NM Ogarekpe
Scientific Reports 11 (1), 7808, 2021
542021
Probabilistic risk assessment and spatial distribution of potentially toxic elements in groundwater sources in Southwestern Nigeria
PGC Emenike, I Tenebe, N Ogarekpe, D Omole, C Nnaji
Scientific Reports 9 (1), 15920, 2019
532019
Modelling and predicting of CBR values of lateritic soil treated with metakaolin for road material
IC Attah, JC Agunwamba, RK Etim, NM Ogarekpe
ARPN J. Eng. Appl. Sci 14 (20), 3609-3618, 2019
432019
Groundwater quality index and potential human health risk assessment of heavy metals in water: A case study of Calabar metropolis, Nigeria
NM Ogarekpe, CC Nnaji, OJ Oyebode, MG Ekpenyong, OI Ofem, ...
Environmental Nanotechnology, Monitoring & Management 19, 100780, 2023
392023
Statistical and artificial neural network approaches to modeling and optimization of fermentation conditions for production of a surface/bioactive glyco-lipo-peptide
M Ekpenyong, A Asitok, S Antai, B Ekpo, R Antigha, N Ogarekpe
International journal of peptide research and therapeutics 27, 475-495, 2021
362021
Development of intensity duration frequency curves for Calabar metropolis, south-south, Nigeria
RE Antigha, NM Ogarekpe
The International Journal of Engineering and Science 2 (3), 39-42, 2013
322013
Flood vulnerability assessment of the upper Cross River basin using morphometric analysis
NM Ogarekpe, EA Obio, IT Tenebe, PGC Emenike, CC Nnaji
Geomatics, Natural Hazards and Risk 11 (1), 1378-1403, 2020
312020
Low-cost harvesting of microalgae biomass from water
ES Bejor, C Mota, NM Ogarekpe, KU Emerson, J Ukpata
Int J Dev Sustain 2 (1), 1-11, 2013
292013
Bioprocess Optimization of Nutritional Parameters for Enhanced Anti-leukemic L-Asparaginase Production by Aspergillus candidus UCCM 00117: A Sequential …
M Ekpenyong, A Asitok, R Antigha, N Ogarekpe, U Ekong, M Asuquo, ...
International Journal of Peptide Research and Therapeutics 27 (2), 1501-1527, 2021
252021
Overproduction of a thermo-stable halo-alkaline protease on agro-waste-based optimized medium through alternate combinatorial random mutagenesis of Stenotrophomonas acidaminiphila
A Asitok, M Ekpenyong, I Takon, S Antai, N Ogarekpe, R Antigha, P Edet, ...
Biotechnology Reports 35, e00746, 2022
192022
Kinetic modeling and quasi-economic analysis of fermentative glycolipopeptide biosurfactant production in a medium co-optimized by statistical and neural network approaches
M Ekpenyong, A Asitok, S Antai, B Ekpo, R Antigha, N Ogarekpe, A Antai, ...
Preparative Biochemistry & Biotechnology 51 (5), 450-466, 2021
172021
Assessing the state of rainwater for consumption in a community in dire need of clean water: human and health risk using HERisk
IT Tenebe, PGC Emenike, EO Babatunde, JB Neris, OH Fred-Ahmadu, ...
Water Practice & Technology 17 (10), 2005-2022, 2022
162022
Bacterial characterization and quantification of rainwater harvested in a rural community in Nigeria
IT Tenebe, PC Emenike, CC Nnaji, EO Babatunde, NM Ogarekpe, ...
Environmental Nanotechnology, Monitoring & Management 14, 100370, 2020
132020
Temporal and spatial dynamics of land use and land cover changes in derived savannah hydrological basin of Enugu State, Nigeria
CC Nnaji, NM Ogarekpe, EJ Nwankwo
Environment, Development and Sustainability 24 (7), 9598-9622, 2022
122022
Rainfall runoff model for Calabar metropolis using multiple regression
REE Antigha, AJ Akor, MJ Ayotamuno, I Ologhodien, NM Ogarekpe
Nigerian Journal of Technology 33 (4), 566-573, 2014
122014
Comparative analysis of water quality in hand dug well and borehole in Calabar South Local Government Area in Nigeria
EC Ukpong, NM Ogarekpe, ES Bejor
The International Journal of Engineering and Science (IJES) 2 (8), 95-101, 2013
122013
The effect of hydraulic jump on the performance of waste stabilization ponds.
JC Agunwamba, NM Ogarekpe
122010
Geotechnical behaviour of lateritic soil-oyster shell ash mixtures
RK Etim, IC Attah, NM Ogarekpe, EE Robert
Proceedings of 16th international conference and annual general meeting 2018 …, 2018
112018
Stochastic modeling and meta-heuristic multivariate optimization of bioprocess conditions for co-valorization of feather and waste frying oil toward prodigiosin production
A Asitok, M Ekpenyong, U Ben, R Antigha, N Ogarekpe, A Rao, A Akpan, ...
Preparative Biochemistry & Biotechnology 53 (6), 690-703, 2023
92023
Assessment of regional best-fit probability density function of annual maximum rainfall using CFSR precipitation data
NM Ogarekpe, IT Tenebe, PC Emenike, OA Udodi, RE Antigha
Journal of Earth System Science 129, 1-18, 2020
92020
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