Prof. OTUTU, JOHNSON O. (PROFESSOR)

Email: otutujo@delsu.edu.ng

• Area of Specialization: Organic Chemistry
• Department of Chemistry


• Professor Johnson Otutu is a professor of Organic Chemistry in the Department of Chemistry, Delta State University, Abraka, Nigeria

My Publications
1. OJ Otutu, AK 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, Journal of Scientific Research
   http://scholar.google.com/scholar_url?url=https%3A%2F%2Fwww.banglajol.info%2Findex.php%2FJSR%2Farticle%2Fview%2F38734%2F30819&hl=en&sa=T&ei=_rjPXte4H9GbmAHN-YTgCQ&authuser=6&scisig=AAGBfm3QOi2FCoeIuFZPcbSdWNZlM02gGQ&nossl=1&ws=1301x620&at= Vol.11(2) Pages: 215-224
   
   
2. CMA Iwegbue, AA Ogbuta, JO Otutu, G Obi, FE Egobueze, BS Martincigh (2019) Evaluation of Human Exposure to Polycyclic Aromatic Hydrocarbons from Some Edible Oils and Shea Butter in Nigeria, Polycyclic Aromatic Compounds
   https://www.researchgate.net/profile/Anthony_Ogbuta/publication/331790946_Evaluation_of_Human_Exposure_to_Polycyclic_Aromatic_Hydrocarbons_from_Some_Edible_Oils_and_Shea_Butter_in_Nigeria/links/5e3eb5e5458515072d8a51fb/Evaluation-of-Human-Exposure-to-Polycyclic-Aromatic-Hydrocarbons-from-Some-Edible-Oils-and-Shea-Butter-in-Nigeria.pdf Vol.  Pages: 1-15
   
   
3. JO Otutu (2019) SYNTHESIS OF AZO DISPERSE DYES DERIVED FROM 4-PHENOXYANILINE AND 3-CHLOROANILINE AND THEIR DYEABILITY ON POLYESTER FABRIC, FUW Trends in Science & Technology Journal
   Vol.4(1) Pages: 273-277
   
   
4. JO Otutu, EK Ejeta, OL, Ossai, OO Akpomie, F Otuare (2019) Synthesis and antimicrobial evaluation of some 3-anyl-3, 7-disubstituted-4-(3H) quinazolinone derivatives, Nigerian Journal of Applied Science
   Vol.37(1) Pages: 38-50
   
   
5. JO Otutu (2019) Synthesis of disperse dyes and their application on synthetic fabrics, FUW Trends in Science & Technology Journal
   Vol.4(1) Pages: 092-096
   
   
6. JO Otutu (2019) Monoazo colourants based on 2-chloro-4-fluoroaniline and 3-chloro-4-fluoroaniline, Nigerian Journal of Science and Environment
   Vol.17(1) Pages: 75-84
   
   
7. JO Otutu (2019) use of the bark of Byroscarpus coccineus Schum and Thumm as natural dye source for natural and synthetic fibres, FUTA Journal of Research in Sciences
   Vol.15(1) Pages: 51-60
   
   
8. JO Otutu, AK Asiagwu, IE Onyesom, JK Ebigwai, PO Itoya (2019) Improving the efficiency of Nesogordonia papaeverifera (Danta) as a natural dye in textile making industry, Bulletin of the Chemical Society of Ethiopia
   http://scholar.google.com/scholar_url?url=https%3A%2F%2Fwww.ajol.info%2Findex.php%2Fbcse%2Farticle%2FviewFile%2F191181%2F180360&hl=en&sa=T&ei=9OnPXprvOeeBy9YPqOmhsAE&authuser=6&scisig=AAGBfm2EPEeWLme_Kt1lolTQw6nyjJjyQA&nossl=1&ws=1301x620&at= Vol.33(3) Pages: 414-424
   
   
9. JO Otutu, EK Ossai, SU Ameuru, PO Itoya, WE Morka (2019) The application of disperse dyes derived from 4-bromoaniline and 3-chloroaniline on to polyester fabric, Bulletin of the Chemical Society of Ethiopia
   http://scholar.google.com/scholar_url?url=https%3A%2F%2Fwww.ajol.info%2Findex.php%2Fbcse%2Farticle%2Fdownload%2F184070%2F173439&hl=en&sa=T&ei=FerPXsKKNI-dmwGK3qD4CA&authuser=6&scisig=AAGBfm0TBwwGAwHGN43FBh2S6SMifjYuMg&nossl=1&ws=1301x620&at= Vol.33(1) Pages: 127-134
   
   
10. JO Otutu (2018) thesis of monoazo- disperse dyes derived from 4-phenoxyaniline and their application on synthetic fabrics, FUW Trends in Science & Technology Journal
    Vol.3(23) Pages: 550-555
    
    
11. JO Otutu, EK Ossai (2017) ? Colourants extracted from the bark of Iroko plant (Milicia excels) and their application as natural dyes on polyester and polyamide 6 fabrics , Journal of Sciences and Environment
    Vol.4(1) Pages: 28-37
    
    
12. JO Otutu, EK 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, Journal of Sciences and Environment
    Vol.4(1) Pages: 8-16
    
    
13. JO Otutu, EK Ossai, SU Ameuru (2016) o Disperse Dyes Derived from 2-chloro-4-methylaniline and 3-aminophenol and Their Application on Nylon 6 Fabric Using Pressure Dyeing Method, Journal of Applied Sciences
    https://scialert.net/fulltextmobile/?doi=jas.2016.146.153 Vol.16(4) Pages: 146-153
    
    
14. Otutu, JO; Ossai, EK; Ameuru, SU (2015) Synthesis and application of heteryl disazo disperse dyes derived from 4-amino-2-chloro-6,7-dimethoxyquinazoline and 3-chloroaniline on polyester fabric, International Journal of Biological and Chemical Sciences
    http://scholar.google.com/scholar_url?url=https%3A%2F%2Fwww.ajol.info%2Findex.php%2Fijbcs%2Farticle%2Fdownload%2F121838%2F111299&hl=en&sa=T&ei=eurPXpO2Ao-dmwGK3qD4CA&authuser=6&scisig=AAGBfm10iXbJkUTow3_Vw23ZmdJ6kyoeXA&nossl=1&ws=1301x620&at= Vol.9(3) Pages: 1733-1741
    
    
15. E Osabohien, JO Otutu (2014) Extraction and Utilization of Natural Dyestuffs from the Bark of Whistling Pine and the Root of African Peach, British Journal of Applied Science & Technology
    https://pdfs.semanticscholar.org/5905/84eb0c0a29b08b7c00ec6b9fa212a6bd63fb.pdf Vol.4(20) Pages: 2921
    
    
16. JO Otutu, US Ameuru, M KabirYakubu (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, British Journal of Applied Science and Technology
    http://scholar.google.com/scholar_url?url=http%3A%2F%2Fwww.journalcjast.com%2Findex.php%2FCJAST%2Farticle%2Fdownload%2F6568%2F11672&hl=en&sa=T&ei=u-rPXr7OMNGbmAHN-YTgCQ&authuser=6&scisig=AAGBfm03uk8kO-LzC7psfvnO4WqvoeJp0g&nossl=1&ws=1301x620&at= Vol.  Pages: 2955-2969
    
    
17. Otutu JO, Efurhievwe EM, Ameuru SU (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, Current Research in Chemistry
    Vol.6(1) Pages: 1-9
    
    
18. Akpona E, Otutu JO, Ubogu M (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 Environme, Journal of Microbiology Research and Review
    Vol.2(5) Pages: 48-53
    
    
19. JO Otutu, EM Efurhievwe, SU Ameuru (2014) Synthesis of disazo disperse dye compounds derived from 4-bromoaniline and 3-aminophenol as potential near infra-red absorbers, Chem. Mat. Res
    Vol.6 Pages: 40-46
    
    
20. E Akponah, JO Otutu, OO Akpomie, M Ubogu (2014) Evaluation Of The Acute Toxicity Of Three Locally Synthesized Dyes (3, 5-Dimethoxypyrimidine Azo-6-Methyl Urazil, 5-Ethoxybenzothiazole Azobenzoloxyphenol And 4-Ethyl 5, 2, 3 …, The Asia Journal of Applied Microbiology
    Vol.1(2) Pages: 18-25
    
    
21. J Otutu, E Efurhievwe, S Ameru, 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, Chemistry and Materials Research
    http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.824.5483&rep=rep1&type=pdf Vol.6(4) Pages:  
    
    
22. JO Otutu, EM Efurhievwe (2013) Synthesis of Heterocyclic Monoazo Disperse Dyes Derived from 4-Amino-2-chloro-6, 7-dimethoxyquinazoline, Journal of Applied Sciences
    https://scialert.net/fulltextmobile/?doi=jas.2013.924.928 Vol.13(6) Pages: 924-928
    
    
23. JO Otutu (2013) Synthesis and fastness properties of disazo disperse dyes derived from 4-amino-3-nitrotoluene and 1, 4-diaminobenzene, Nigerian Journal of Science and Environment
    Vol.12(1) Pages: 34-39
    
    
24. E Osabohien, JO Otutu, DO Ukponmwan (2013) Dyeing and colouring using the extract from a plant, Bosqueia angolensis, Inter. Jour. Scientific Res
    Vol.3(1) Pages: 1-6
    
    
25. JO Otutu (2013) Synthesis and application of monoazo disperse dyes derived from 2-Amino-5-mercapto, 1, 3, 4-thiadiazole on polyester fabric. lnt, J. Res. Rev. Applied Sci.,(ln Press)
    Vol. Pages:
    
    
26. E Osabohien, OJ Otutu, OB Otuya (2013) Concentration of Heavy Metals in Soils, Tubers and Leaves of Cassava Plants Grown around some Oil Spill and Gas Flaring Zones in Delta State, Nigeria, Appl. Sci. Res. J
    Vol.1(1) Pages: 1-6
    
    
27. JO Otutu (2013) Synthesis and application of azo dyes derived from 2-amino-1, 3, 4-thiadiazole-2-thiol on polyester fibre, IJRRAS
    https://www.semanticscholar.org/paper/SYNTHESIS-AND-APPLICATION-OF-AZO-DYES-DERIVED-FROM-Otutu/fefa2add37cce6181f8c1690f070ed8d90ab4869 Vol.15(2) Pages: 292-296
    
    
28. JO Otutu (2013) Synthesis and properties of some hetaryl disazo and trisazo disperse dye derivatives of 2-amino-5-nitrothiazole and 1-naphthylamine., International Journal of Research and Reviews in Applied Sciences
    https://www.semanticscholar.org/paper/SYNTHESIS-AND-PROPERTIES-OF-SOME-HETARYL-DISAZO-AND-Otutu/297336f7708ace91b53e2f929b7d7c3f12de6425 Vol.15(2) Pages:  
    
    
29. JO Otutu, E Osabohien (2013) Synthesis and absorption spectra of monoazo dyes derived from 2-methoxy-5-nitroaniline, Asian J. Mater. Sci
    http://docsdrive.com/pdfs/knowledgia/ajmskr/2013/1-8.pdf Vol.5 Pages: 1-8
    
    
30. JO Otutu (2013) PREPARATION OF AZO DISPERSE DYES FROM 1, 4-DIAMINOBENZENE AND 4-AMINO-3-NITROTOLUENE AND THEIR APPLICATION ON POLYESTER FIBRE US-ING THE THERMOSOL AND AQUEOUS DYEING METHODS, Nigerian Journal of Science and Environment
    https://pdfs.semanticscholar.org/1486/d005148317a2809533289608b9c6e785b037.pdf Vol.12(2) Pages:  
    
    
31. JO Otutu, E Osabohien (2013) SYNTHESIS AND ABSORPTION CHARACTERISTICS OF SOME DISAZO DYES DE-RIVED FROM 4-AMINO-3-NITROTOLUENE AND 4-AMINOBENZOIC ACID, Nigerian Journal of Science and Environment
    https://pdfs.semanticscholar.org/0f57/5f79725cace71de54953a5d37a89cde1ded9.pdf Vol.12(1) Pages:  
    
    
32. JO Otutu, EK Ossai, SU Ameuru, I Acar, S Topcu, Z Biyiklioglu, H Kantekin, SM Burkinshaw, AC Francis, FS Dadras, K Gharanjig, S Raissi, EH Daruwalla, RW David, H Geoffery, Y Dong, J Jang, MM El-Zawahry, F Abdelghaffar, NA Evans, IW Stapleton, CH Giles, A Hou, M Li, F Gao, K Xie, X Yu, G Huang, J Dai, F Dong, J Wang, Y Jia, F Karci, J Koh, S Kim, JP Kim, JJ Lee, WJ Lee, JH Choi, JP Kim, MA Metwally, S Bondock, ESI El-Desouky, MM Abdou, PO Nkeonye, E Oner, Y Buyukakinci, N Sokmen, P Ortega-Luoni, L Vera, C Astudillo, M Guzman, P Ortega-Lopez, JO Otutu, D Okoro, EK Ossai, JO Otutu, JO Otutu, E Osabohien, JO Otutu, EM Efurhievwe, SU Ameru, YB Paula, L Shuttleworth, MA Weaver, AD Towns, DO Ukponmwan, A Osaze-Amayaevbo, AP Oviave (2013) Mono-azo disperse dyes derived from 4-amino-3-nitrotoluene and 4-amino phenol, Journal of Applied Sciences
    Vol.16(4) Pages: 259-266
    
    
33. JO Otutu (2013) A STUDY ON TAUTOMERIC EQUILIBRIA OF SOME NEW 3-CRHLORO-4-FLUOROAMLINEMONOAZO DISPERSE DYE DERIVATIVES, Nigerian Journal of Science and Environment
    https://pdfs.semanticscholar.org/ea95/a36335d21aa70adcec3450a1d583f8dd95bc.pdf Vol.12(2) Pages:  
    
    
34. Otutu JO, Ossai EK, Yakubu MK (2012) Synthesis and application of N-phenylnaphthylamine disazo disperse dye derivatives on polyester fibre and nylon 66 fibre, Journal of Scientific Research
    Vol.2(2) Pages: 97-106
    
    
35. JO Otutu (2012) Thermodynamic Absorption Parameters of Disazo Dyes derived from P-aminophenol and 4-Aminobenzoic Acid on Polyester Fibre and Nylon 6 Fibre, Material Science Research India
    Vol.9(1) Pages: 61-67
    
    
36. AK Asiagwu, HI Owamah, JO 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 , Chemical and Process Engineering
    Vol.3 Pages: 1-12
    
    
37. JO Otutu (2012) Dis-azo Dyes Derived from 2-methoxy-5-nitroaniline and 3-chloroaniline and their Application on Polymer Fibres, Oriental Journal of Chemistry
    http://www.orientjchem.org/pdf/vol28no2/OJC_Vol28_No2_p_787-794.pdf Vol.28(2) Pages: 787
    
    
38. JO Otutu (2012) Synthesis of halogenated disazo disperse dyes derived from 2, 4-dichloroaniline and 3-aminophenol, Curr. Res. Chem
    http://docsdrive.com/pdfs/knowledgia/crc/2012/119-127.pdf Vol.4(4) Pages: 119-127
    
    
39. JO Otutu (2012) Spectroscopic Studies of Natural Dyes from Brosimumrubescens Acer saccharium and Astoniascholaris, Biosciences Biotechnology Research Asia
    Vol.9(2) Pages:
    
    
40. JO Otutu (2012) Extraction, and application of natural dyes from Afara (Terminalia superba), Albizzia (Albizzi juliblizzin) and Ume (Aucoumea klainena)., Biosciences, Biotechnology Research Asia
    https://www.cabdirect.org/cabdirect/abstract/20133104322 Vol.9(2) Pages: 671-675
    
    
41. JO Otutu, MK Yakubu (2011) Extraction, characterization and Application of Natural dyes from Water Opepe (Nucleadideuricchi) and Water Ekimi (Vanilyaplanotolia) on Natural and synthetic fibres, Biosciences Biotechnology Research Asia
    Vol.8(2) Pages: 447-454
    
    
42. JO Otutu (2011) Synthesis of some new disperse dyes derived from N-phenyl naphthylamine, Oriental Journal of Chemistry
    http://www.orientjchem.org/pdf/vol27no3/OJC_Vol27_No3_p_1011-1016.pdf Vol.27(3) Pages: 1011
    
    
43. JO Otutu, E Osabohien, EM Efurhievwe (2011) Synthesis and Spectral Properties of Hetaryl Monoazo dyes derived from 2-amino-5-nitrothiazole, Oriental Journal of Chemistry
    http://www.orientjchem.org/pdf/vol27no4/OJC_Vol27_No4_p_1389-1396.pdf Vol.27(4) Pages: 1389
    
    
44. JO Otutu (2011) Synthesis and Fastness Properties of Disazo Disperse Dyes Derived from 4-Amino-3-Nitrotoluene, Oriental Journal of Chemistry
    http://www.orientjchem.org/pdf/vol27no3/OJC_Vol27_No3_p_937-944.pdf Vol.27(3) Pages: 937
    
    
45. Otutu JO, Oviawe AP, Ukponmwan DO (2010) Thermodynamic parameters of disazo disperse dyes derived from 4-amino-3-nitrotoluene on polyester fibre and nylon 6 fibre, International Journal of Chemistry
    Vol.20(3) Pages: 195-203
    
    
46. JO Otutu (2010) Synthesis and Application of disperse dye derivatives of 4-aminobenzoic acid and 4-amino-3-nitrotoluene on synthetic polymerfibres, International Journal of Chemistry
    Vol.20(3) Pages: 147-155
    
    
47. JO Otutu, E Osabohien, EM Efurhievwe (2010) Extraction of natural dyes for textile dyeing from the by-products of the timber industry, Biosciences Biotechnology Research Asia
    Vol.7(1) Pages: 87-92
    
    
48. EO Jatto, IO Asia, EE Egbon, JO Otutu, ME Chukwuedo, CJ Ewansiha (2010) Treatment of waste water from food industry using snail shell, Academia Arena
    https://www.researchgate.net/profile/Ejeomo_Jatto/publication/242412669_Treatment_Of_Waste_Water_From_Food_Industry_Using_Snail_Shell/links/5bc3935fa6fdcc2c91fbec57/Treatment-Of-Waste-Water-From-Food-Industry-Using-Snail-Shell.pdf Vol.2(1) Pages: 32-36
    
    
49. JO Otutu, D Okoro, EK Ossai (2010) Physico-chemical studies of disazo dyes derived from paminophenol On synthetic polymer-fibres, Global Journal of Pure and Applied Sciences
    http://scholar.google.com/scholar_url?url=https%3A%2F%2Fwww.ajol.info%2Findex.php%2Fgjpas%2Farticle%2Fdownload%2F62843%2F50749&hl=en&sa=T&ei=mu7PXvLRItGbmAHN-YTgCQ&authuser=6&scisig=AAGBfm21yykGjdAO-3k7flCuFHhvJFGJzw&nossl=1&ws=1301x620&at= Vol.16(2) Pages:  
    
    
50. JO OTUTU, E OSABOHIEN, EM Efurhievwe (2010) Synthesis of novel disazo dyes and an investigation of their use in the textile industry, Oriental Journal of Chemistry
    http://www.orientjchem.org/pdf/vol26no1/OJC_Vol26_No1_p_31-38.pdf Vol.26(1) Pages: 31-38
    
    
51. E Osabohien, JO Otutu (2009) Application of natural dye extract from the bark of a plant Rhizophora recemosa, Oriental Journal of Chemistry
    http://www.orientjchem.org/pdf/vol25no3/OJC_Vol25_No3_p_493-497.pdf Vol.25(3) Pages: 493
    
    
52. JO Otutu, E Osabohien (2009) Disperse dyes derived from 2-methoxy-5-nitroaniline, Oriental Journal of Chemistry
    http://www.orientjchem.org/pdf/vol25no4/OJC_Vol25_No4_p_863-870.pdf Vol.25(4) Pages: 863
    
    
53. P Oviasogie, J Otutu, D Okoro (2009) Fractionation and Distribution of Copper and Zinc in Calcareous Soils of Igarra, Nigeria, Nigerian Journal of Soil Science
    Vol.19(2) Pages:
    
    
54. JO Otutu (2008) Light fastness of natural dyes from Danta (Nesogordonia papaeverifera) and Elem (Nimbodia nivea) on cotton, nylon 6, 6 and acrylics, J. Chem. Soc. Nig
    Vol.33 Pages: 135-138
    
    
55. JO Otutu, AP Oviawe, DO Ukponmwah (2008) Physicochemical studies of dis-azo disperse dye derivatives of p-amino phenol containing, 1, 4 diaminobenze moiety, J. Chem, Soc. Of Nig
    Vol.33(1) Pages: 99-104
    
    
56. JO Otutu, D Okoro, EK Ossai (2008) Preparation of Dis-Azo Dyes Derived from p-Aminophenol and Their Fastness Properties for Synthetic Polymer-Fibres, Journal of Applied Sciences
    https://www.researchgate.net/profile/Duke_Okoro/publication/26560067_Preparation_of_Dis-Azo_Dyes_Derived_from_p-Aminophenol_and_Their_Fastness_Properties_for_Synthetic_Polymer-Fibres/links/549826ab0cf2c5a7e342a05a/Preparation-of-Dis-Azo-Dyes-Derived-from-p-Aminophenol-and-Their-Fastness-Properties-for-Synthetic-Polymer-Fibres.pdf Vol.8(2) Pages: 334-339
    
    
57. JO Otutu (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
    Vol.33 Pages: 205-212
    
    
58. J Otutu, DO Ukponmwan, AP Oviawe (2007) Synthesis and fastness of diazo disperse dyes derived 4–aminophenol for synthetic polymer fibres, Journal of chemical society of Nigeria
    Vol.32(2) Pages: 65-71
    
    
59. JO Otutu, EK Ossai, EO Jatto (2007) Synthesis and Physicochemical Properties of monoazo disperse dyes from 3-aminophenol, J. Chem. Soc. Nig
    Vol.32(2) Pages: 81-89
    
    
60. JO Otutu (2007) Halogenated dis azo disperse dyes derived from 4-chloro-aniline and 3-chloroaniline, Adv. Nat. Sci. Res
    Vol.7 Pages: 191-199
    
    
61. JO OTUTU, AK ASIAGWU, PO ITOYA (2019) DISPERSE DYES BASED ON 2-AMINO-5-MERCAPTO-1, 3, 4-THIADIAZOLE AND 2-AMINO-4, 6-DIHYDROXYPYRIMIDINE MOIETIES: SYNTHESIS AND APPLICATION ON NYLON 6 FABRICS, Nig. J. Pure & Appl. Sci.
    http://njpas.com.ng/wp-content/uploads/2019/05/10.pdf Vol.32(1) Pages: 3358-3365