Dr. Otutu Oji Johnson
My Social Links

Dr. Otutu Oji Johnson

Professor
Delta State University, Nigeria

Highest Degree
Ph.D. in Chemistry from University of Benin, Nigeria

Share this Profile

Area of Interest:

Chemistry
100%
Physical-Chemical Properties
62%
Polymer Chemistry
90%
Synthetic Molecules
75%
Dye Effluent Treatment
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
0
Abstracts
0

Selected Publications

  1. Otutu, O.J. and A.K. Asiagwu, 2019. Synthesis and application to polyester and nylon 6 fabrics of hetaryl bis-azo disperse dyes based on 6-amino-2, 4-dihydroxypyrimidine and 4-methoxy-2-nitroaniline moieties. J. Scient. Res., 11: 215-224.
    CrossRef  |  Direct Link  |  
  2. Otutu, J.O., O.L.Ejeta, E.K. Ossai, O.O.Akpomie and F.Otuare, 2019. Synthesis and antimicrobial evaluation of some 3-anyl-3, 7-disubstituted-4-(3H) quinazolinone derivatives. Niger. J. Applied Sci., 37: 38-50.
  3. Otutu, J.O., E.K. Ossai, S.U.Ameuru, P.O. Itoya and W.E. Morka, 2019. The application of disperse dyes derived from 4-bromo aniline and 3-chloroaniline onto polyester fabric. Bull. Chem. Soc. Ethiopia, 33: 127-134.
  4. Otutu, J.O., A.K. Asiagwu, I.E. Onyesom, J.K. Ebigwai and P.O. Itoya, 2019. Improving the efficiency of Nesogordonia papaeverifera (Danta) as a natural dye in textile making industry. Bull. Chem. Soc. Ethiopia, 33: 415-424.
    CrossRef  |  Direct Link  |  
  5. Otutu, J.O., A.K. Asiagwu and P.O. Itoya, 2019. Disperse dyes based on 2-amino-5-mercapto-1,3,4-thiadiazole and 2-amino-4,6-dihydroxypyrimidine monistic: Synthesis and application on nylon 6 fabrics. Niger. J. Pure Applied Sci., 32: 3358-3365.
  6. Otutu, J.O., 2019. The use of the bark of Byroscarpus coccineus Schum and Thumm as natural dye source for natural and synthetic fibres. FUTA J. Res. Sci., 15: 51-60.
  7. Otutu, J.O., 2019. Synthesis of disperse dyes and their application on synthetic fabrics. Federal Univ. Wukari Trends Sci. Technol., 4: 92-96.
  8. Otutu, J.O., 2019. Monoazo colourants based on 2-chloro-4-fluoroaniline and 3-chloro-4-fluoroaniline. Niger. J. Sci. Environ., 17: 75-84.
  9. Iwegbue, C.M.A., A.A. Ogbuta, J.O. Otutu, G. Obi, F.E. Egobueze and B.S. Martincigh, 2019. Evaluation of human exposure to polycyclic aromatic hydrocarbons from some edible oils and shea butter in Nigeria. Polycyclic Aromat. Compounds, 10.1080/10406638.2019.1570951.
    CrossRef  |  Direct Link  |  
  10. Otutu, J.O., 2018. Synthesis of monoazo-disperse dyes derived from 4-phenoxyaniline and their application on synthetic fabrics. Federal Univ. Wukari Trends Sci. Technol. J., 3: 550-555.
  11. Otutu, J.O. and E.K. Ossai, 2017. Synthesis of disperse dyes derived from Z-amino-1,3,4-thia diazole-2-thiol and their dyeing properties on polyethylene terephthalate fabric Mambilla. J. Sci. Environ., 4: 8-16.
  12. Otutu, J.O. and E.K. Ossai, 2017. Colourants extracted from the bark of Iroko plant (Milicia excels) and their application as natural dyes on polyester and polyamide 6 fabrics Mambilla. J. Sci. Environ., 4: 28-37.
  13. Otutu, J.O., E.K. Ossai and S.U. Ameuru, 2016. Disazo disperse dyes derived from 2-chloro-4-methylaniline and 3-aminophenol and their application on nylon 6 fabric using pressure dyeing method. J. Applied Sci., 16: 146-153.
    CrossRef  |  Direct Link  |  
  14. Otutu, J.O., E. Osabohien and E.M. Efurhievwe, 2016. Extraction of natural dyes for textile dyeing from the by-products of the timber industry. Biosci. Biotechnol. Res. Asia, 7: 87-92.
  15. Otutu, J.O., E.K. Ossai and S.U. Ameuru, 2015. Synthesis and application of hetaryl disazo disperse dyes derived from 4-amino-2-chloro-6, 7-dimethoxyquinazoline and 3-chloroaniline on polyester fabric. Int. J. Biol. Chem. Sci., 9: 1733-1741.
    CrossRef  |  Direct Link  |  
  16. Otutu, J.O., E.M. Efurhievwe and S.U. Ameuru, 2014. Synthesis of disazo disperse dye compounds derived from 4-bromoaniline and 3-aminophenol as potential near infra-red absorbers. Chem. Mater. Res., 6: 40-46.
  17. Otutu, J.O., E.M. Efurhievwe and S.U. Ameru, 2014. Synthesis and application of disazo dyes derived from 2-amino-5-mercapto-1,3, 4-thiadiazole and 2-chloroaniline on acrylic fabric and nylon 66 fabric. Curr. Res. Chem., 6: 1-9.
    CrossRef  |  Direct Link  |  
  18. Otutu, J., E. Efurhievwe, S. Ameru and E. Ossai, 2014. Synthesis and application of hetaryl disazo disperse dyes derived from 2‐amino‐5‐mercapto‐1, 3, 4‐thiadiazole and 3‐chloroaniline on synthetic polymer‐fibres. Chem. Mater. Res., 6: 44-52.
  19. Johnson, O.O., U.S. Ameurub and M. KabirYakubub, 2014. Thermodynamic sorption parameters and kinetics of dyeing disazo dyes derived from 4-aminobenzoic acid and 4-amino-3-nitrotoluene on polyester fibre and polyamide fibre. Br. J. Applied Sci. Technol., 4: 2955-2969.
  20. Akpona, E., J.O. Otutu, O.O. Akpomie and M. Ugbogu, 2014. Evaluation of the acute toxicity of three locally synthesized dyes (3,5-Dimethoxypyrimidine azo-6-methyl aracil. 5-Ethoxybenzothiazole azo-benzyloxyphenol and 4-Ethyl-5,2,3-Thiazole azo-6-methyl uracil) using Nitrosomonas sp and Nitrobacter sp. Asia J. Applied Microbiol., 1: 18-25.
  21. Akpona, E., J.O. Otutu and M. Ubogu, 2014. Evaluation of the biodegradability of three locally synthesized dyes (3,5-Dimethoxypyrimidine azo-6-methyl uracil, 5-Ethoxybenzothiazole azo benzyloxyphenol and 4-Ethyll-5,2,3-thiazole azo-6-methyl Uracil) in fresh water and brackish. Water Environ. J. Microbiol. Res. Rev., 2: 48-53.
  22. Otutu, J.O., 2013. Synthesis and properties of some hetaryl disazo and trisazo disperse dye derivatives of 2-amino-5-nitrothiazole and 1-naphthylamine. Int. J. Res. Rev. Applied Sci., 15: 197-202.
    Direct Link  |  
  23. Otutu, J.O., 2013. Synthesis and fastness properties of disazo disperse dyes derived from 4-amino-3-nitrotoluene and 1, 4-diaminobenzene. Niger. J. Sci. Environ., 12: 34-39.
  24. Otutu, J.O., 2013. Synthesis and application of azo dyes derived from 2-amino-1, 3, 4-thiadiazole-2-thiol on polyester fibre. Int. J. Res. Rev. Applied Sci., 15: 292-296.
    Direct Link  |  
  25. Otutu, J.O., 2013. Preparation of azo disperse dyes from 1, 4-diaminobenzene and 4-amino-3-nitrotoluene and their application on polyester fibre using the thermosol and aqueous dyeing methods. Niger. J. Sci. Environ., 12: 160-166.
  26. Otutu, J.O., 2013. A study on tautomeric equilibria of some new 3-chloro-4-fluroaniline monoazo disperse dye derivatives. Niger. J. Sci. Environ., 12: 25-29.
  27. Otutu, J.O. and E.M. Efurhievwe, 2013. Synthesis of heterocyclic monoazo disperse dyes derived from 4-Amino-2-chloro-6, 7-dimethoxyquinazoline. J. Applied Sci., 13: 924-928.
    CrossRef  |  Direct Link  |  
  28. Otutu, J.O. and E. Osabohien, 2013. Synthesis and absorption spectra of monoazo dyes derived from 2-methoxy-5-nitroaniline. Asian J. Mater. Sci., 5: 1-8.
    CrossRef  |  Direct Link  |  
  29. Osabohien, E., J.O. Otutu and D.O. Ukponmwan, 2013. Dyeing and colouring using the extract from a plant Bosqueia angolensis. Int. J. Scient. Res., 3: 1-6.
  30. Otutu, J.O., E.K. Ossai and M.K. Yakubu, 2012. Synthesis and application of N-phenylnaphthylamine disazo disperse dye derivatives on polyester fibre and nylon 66 fibre. J. Scient. Res., 2: 97-106.
  31. Otutu, J.O., 2012. Synthesis of halogenated disazo disperse dyes derived from 2,4-dichloroaniline and 3-aminophenol. Curr. Res. Chem., 4: 119-127.
    CrossRef  |  Direct Link  |  
  32. Otutu, J.O., 2012. Spectroscopic studies of natural dyes from Brosimum rebescens, Acer saccbarium and astonia scholaris. Biosci. Biotechnol. Res. Asia, 9: 647-652.
  33. Otutu, J.O., 2012. Extraction and application of natural dyes from Afara (Terminala superb), Albizzia (Albizzi julibibizzin) and Ume (Ancoumea klaiena). Biosci. Biotechnol. Res. Asia, 9: 671-675.
  34. Otutu, J.O., 2012. Disazo dyes derived from 2-methyoxy-5-nitroaniline and 3-chloroaniline and their application on polymer-fibres. Orient. J. Chem., 28: 787-794.
  35. Otutu, J.O. and E. Osabohien, 2012. Synthesis and absorption characteristics of some disazo dyes derived from 4-amino-3-nitrotoluene and 4-aminobenzoic acid. Niger. J. Sci. Environ., 12: 88-92.
  36. Otutu, J., 2012. Thermodynamic absorption parameters of disazo dyes derived from p-aminophenol and 4-aminobenzoic acid on polyester fibre and nylon 6 fibre. Mater. Sci. Res., 9: 61-67.
  37. Asiagwu, A.K., H.I. Owamah and J.O. Otutu, 2012. Kinetic model for the sorption of Cu (II) and Zn (II) using lady fern (Athyrium-Filix Femina) leaf waste biomass from aqueous solution. Chem. Process Eng., 3: 1-12.
  38. Otutu, J.O., E. Osabohien and E.M. Efurhievwe, 2011. Synthesis and spectral properties of Hetaryl Monoazo dyes derived from 2-amino-5-nitrothiazole. Orient. J. Chem., 27: 1369-1396.
    Direct Link  |  
  39. Otutu, J.O., 2011. Synthesis and fastness properties of disazo disperse dyes derived from 4-Amino-3-nitrotoluene. Orient. J. Chem., 27: 937-944.
    Direct Link  |  
  40. Otutu, J.O. and M.K. Yakubu, 2011. Extraction, characterization and application of natural dyes from water Opepe (Nuclea diderrichi) and water ekimi (Vanilya planofolica) on natural and synthetic fibres. Biosci. Biotechnol. Res. Asia, 8: 447-454.
  41. Otutu, J.O., E. Osabohien and E.M. Efurhievwe, 2010. Synthesis of novel dis-azo dye and an investigation of their use in the textile industry oriental. Orient. J. Chem., 26: 31-38.
  42. Otutu, J.O., A.P. Oviawe and D.O. Ukponmwan, 2010. Thermodynamic parameters of disazo disperse dyes derived from 4-amino-3-nitrotoluene on polyester fibre and nylon 6 fibre. Int. J. Chem., 20: 195-203.
  43. Jatto, E.O., I.O. Asia, E.E. Egbon, J.O. Otutu, M.E. Chukwuedo and C.J. Ewansiha, 2010. Treatment of waste water from food industry using snail shell. Academia Arena, 2: 32-36.
    Direct Link  |  
  44. Oviasogie, P.O. J.O. Otutu and D. Okoro, 2009. Fractionation and distribution of copper and Zinc in calcareous soils of Igara. J. Soil Sci., 19: 96-101.
  45. Otutu, J.O., 2009. Halogenated desazo disperse dyes from 4-chloroaniline and 3-chloroaniline. Adv. Natutal Applied Sci. Res., 7: 191-199.
  46. Otutu, J.O. and E. Osabohien, 2009. Disperse dyes derived from 2-methoxy-5-nitroaniline. Orient. J. Chem., 25: 863-870.
  47. Osabohien, E. and J.O. Otutu, 2009. Application of natural dye extract from the bark of a plant Rhizophora recemosa. Orient. J. Chem., 25: 493-497.
  48. Otutu, J.O., D. Okoro and E.K. Ossai, 2008. Preparation of dis-azo dyes derived from p-aminophenol and their fastness properties for synthetic polymer-fibres. J. Applied Sci., 8: 334-339.
    CrossRef  |  Direct Link  |  
  49. Otutu, J.O., A.P. Oviawe and D.O. Ukponmwan, 2008. Physico-chemical studies of disazo disperse dye derivatives of p-aminophenol containing 1, 4-diaminobenzene moiety. J. Chem. Soc. Niger., 32: 99-104.
  50. Otutu, J.O., 2008. Light fastness of natural dyes from Danta (Nesogordia perparifera) and Elem (Nimbodia nivea) on cotton, nylon 66 and acrylics. J. Chem. Soc. Niger., 33: 135-138.
  51. Otutu, J.O., 2008. Comparison of dyeing properties of disazo disperse dye analogs of 4-amino-3-nitrotoluene with those of 4-aminophenol on polyester substrate. J. Chem. Soc. Nig., 33: 205-212.
  52. Otutu, J.O., D.O. Ukponmwan and P.A. Oviavwe, 2007. Synthesis and fastness properties of dis-azo disperse dyes derived from 4-aminophenol. J. Chem. Soc. Nig., 32: 80-90.
  53. Otutu, J.O., D.O. Ukponmwan and A.P. Oviawe, 2007. Synthesis and fastness properties of disazo disperse dyes derived from 4-aminophenol for synthetic polymer-fibres. J. Chem. Soc. Nigeria, 33: 65-71.