Contact information:

: pitchou-bokolombe@unikin.ac.cd; bokolombe@gmail.com
: +243 97 441 2560
Faculty of Science Building, Office D-14
av de l'Université - C. de Lemba - Kinshasa
Postal adress: P.O Box 190 Kin XI Kinshasa - DR Congo

Education

BSc, Faculty of Science, Université de Kinshasa.
Postgraduate student, University of Kwazulu Natal - Durban - South Africa (2007 - 2008).
Graduate visiting student, University of Kansas (2011).
PhD, Masaryk University - Brno - Czech Republic (2012).
Postdoctoral Fellow, Rhodes University, Grahamstown, South Africa (2016-2018).
Research Fellow, Masaryk University, Brno, Czech Republic (2018).
Thesis title: Study of the photoreaction mechanisms of photoactivable compounds, 2012

Research interest

My current research focuses on photochemistry, synthesis and mechanisms of organic reactions, kinetic studies by flash photolysis, spectroscopy, and Nanotechnology.

Key words: Nanotechnology, Photochemistry, photolysis, spectroscopy, synthesis and mechanisms of organic reactions

International collaboration

Prof. RNDr Petr Klan : Masararyk University, Brno, Czech Republic.
Prof. RNDr Dominik Heger : Masararyk University, Brno, Czech Republic.
Prof. Tebello Nyokong : Rhodes University, Grahamstown, South Africa.
Prof. John Mack : Rhodes University, Grahamstown, South Africa.
Prof. Rich S. Givens : University of Kansas, Lawrence, USA.
Dr Edith Amuhaya : United States International University, Nairobi, Kenya.
Dr Walyambila Waudo : Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya.
Dr Muthumuni Managa : University of South Africa , Johannesburg, South Africa.

Teaching

• Organic and Inorganic Photohemistry
• Photophysics
• Physical Chemistry
• Applied Photochemistry

Scholarly Activity

Scholarly Societies membership

Effective members of several learned societies including Société des chimistes du Congo (Sochimico).
American Chemical Society.
Royal Society of Chemistry.

Selected Articles

Google scholar h-index 12.110

Researchgate Score 25.99

Orcid

1. Yolande Ikala Openda, Bokolombe Pitchou Ngoy, Jules Tshishimbi Muya and Tebello Nyokong, Synthesis, theoretical calculations and laser flash photolysis studies of selected amphiphilic porphyrin derivatives used as biofilm photodegradative materials, New J. Chem., 2021, 45, 17320.

2. Tebello Nyokong, Bokolombe Ngoy and Edith Amuhaya, Overcoming hurdles facing researchers in Africa, Nature Materials, March 2021.

3. Openda Y I, Ngoy B P* and Nyokong T. : Photodynamic Antimicrobial Action of Asymmetrical Porphyrins Functionalized Silver-Detonation Nanodiamonds Nanoplatforms for the Suppression of Staphylococcus aureus Planktonic Cells and Biofilms Frontiers in Chemistry, 9, 740, 2021.

4. Bokolombe P. Ngoy , Aviwe K. May, John Mack and Tebello Nyokong, Optical Limiting and Femtosecond Pump-Probe Transient Absorbance Properties of a 3,5-distyrylBODIPY Dye, Frontiers in Chemistry, 2019, 7, 740.

5. Muthumuni Managa, Bokolombe P. Ngoy, Tebllo Nyokong, Photophysical properties and photodynamic therapy activity of a meso-tetra(4 carboxyphenyl)porphyrin tetramethyl ester–graphene quantum dot conjugate, New J. Chem., 2019, 43, 4518.

6. R. Matshitse, Bokolombe P. Ngoy, M. Managa, J. Mack, T. Nyokong, Photophysical properties and photodynamic therapy activities of detonated nanodiamonds-BODIPY-phthalocyanines nanoassemblies, Photodiagnosis and Photodynamic Therapy 2019,26, 101–110.

7. Kelechi A. L., Ngoy B.P., Mack J and Nyokong T., 2,6-Dibrominated 3,5-DistyrylBODIPYs as Photosensitizer Dyes for Photodynamic Antimicrobial Chemotherapy, Macroheterocycles, 2019 12(3) 292-299.

8. Jessica Harris, Aviwe K. May, Bokolombe P. Ngoy, John Mack and Tebello Nyokong, An analysis of the photophysical and optical limiting properties of a novel 1,3,5-tristyrylBODIPY dye, J. Porphyrins Phthalocyanines 2019, 23, 1–13.

9. Nobuhle Ndebele, Zweli Hlatshwayo, Bokolombe P. Ngoy, Gugu Kubheka, John Mack and Tebello Nyokong, Optical limiting properties of BODIPY dyes substituted with styryl or vinylene groups on the nanosecond timescale, J. Porphyrins Phthalocyanines, 2019, 23, 2–17.

10. Bokolombe P. Ngoy, Aviwe K. May, John Mack, Tebello Nyokong, Effect of bromination on the optical limiting properties at 532 nm of BODIPY dyes with p-benzyloxystyryl groups at the 3,5-positions, Journal of Molecular Structure, 2019, 1175, 745-753.

11. Bokolombe P. Ngoy, Zweli Hlatshwayo, Njemuwa Nwaji, Fomo G., Mack J. and Nyokong T., Photophysical and optical limiting properties at 532 nm of BODIPY dyes with p-benzyloxystyryl groups at the 3,5-positions, J. Porphyrins Phthalocyanines, 2018, 22, 413–422.

12. Muthumuni M., Bokolombe Pitchou Ngoy, Mafukidze D, Nyokong T., Incorporation of metal free and Ga 5,10,15,20-tetrakis(4-bromophenyl) porphyrin into Pluronic F127-folic acid micelles, Journal of Luminescence 2018, 194,739–746.

13. Nnamdi N., Reitumetse N., Bokolombe P. Ngoy, Mack J. and Nyokong T., Synthesis and photophysical properties of BODIPY-decorated graphene quantum dot–phthalocyanine conjugates, New Journal of Chemistry, 2018, 42, 6051.

14. B. T. Bomanda, W. Waudo, Bokolombe P. Ngoy, J. T. Muya, P. T. Mpiana, M. Mbala, I. Openda, J. Mack, and T. Nyokong, Photophysical and in vitro Antibacterial Studies of 2,6-Dibromo-BODIPY Dye Substituted with Dithienylenevinylene at 3,5-Positions, Macroheterocycles, 2018, 11(4), 429-437.

15. K.M. Kifuani, A. Kifuani, B.L. Ilinga, Bokolombe P. Ngoy, T.O. Monama, G.B. Ekoko and J.L. Muswema, Kinetic and thermodynamic studies adsorption of Methylene Blue (MB) in aqueous solution on a bioadsorbent from Cucumeropsis mannii Naudin waste seeds, Int. J. Biol. Chem. Sci., 2018, 12(5), 2412-2423.

16. Aviwe K. M., Justin S., Bokolombe P. Ngoy, Mack J., Nyokong T., Kimura M. and Kobayashi N., Photophysical and optical limiting properties of a novel distyryl-BODIPY with fused crown ether moieties, J. Porphyrins Phthalocyanines 2017, 21: 1–12.

17. Muthumuni M., Bokolombe Pitchou Ngoy, Mafukidze D., Britton J., Nyokong T., Photophysical studies of meso-tetrakis(4-nitrophenyl) and meso-tetrakis(4-sulfophenyl) gallium porphyrins loaded into Pluronic F127 polymeric micelles, Journal of Photochemistry and Photobiology A: Chemistry 348, 2017, 179–187.

18. Bokolombe P. Ngoy, N. Molupe, J. Harris, G. Fomo, J. Mack and T. Nyokong, Photophysical studies of 2,6-dibrominated BODIPY dyes substituted with 4-benzyloxystyryl substituents, J. Porphyrins Phthalocyanines, 2017, 21, 431–438.

19. A. G. Martynov, J. Mack, Bokolombe P. Ngoy , T. Nyokong , Y. G. Gorbunova , A.Yu. Tsivadze, Electronic structure and NH-tautomerism of a novel metal-free phenanthroline-annelated phthalocyanine, Dyes and Pigments 140, 2017, 469–479.

20. Muthumuni Managa, Bokolombe Pitchou Ngoy, Tebllo Nyokong, The photophysical studies of Pluronic F127/P123 micelle mixture system loaded with metal free and Zn 5,10,15,20-tetrakis[4-(benzyloxy) phenyl]porphyrins, Journal of Photochemistry and Photobiology A: Chemistry 339, 2017, 49–58.

21. T. O. Monama, B. M. Nsimba, P. V. Tsalu, D. D. Tshilanda, B. M. Mbala, Bokolombe P. Ngoy., B. K. Mvingu, C. K. Mulaji, S. M. Nanituma, and P. T. Mpiana, Substrate-inoculum Ratio Optimization upon the Biogas Production from Peels of Eggplant and Cassava by Biomethanization, Journal of Applied Life Sciences International 2016, 9(2), 1-8.

22. Philippe V. Tsalu, Tharcisse O. Monama, Hilaire V. Mambo, Dorothée D. Tshilanda, Pius T. Mpiana, Bodrique M. Nsimba, Virima Mudogo, Pitchou Ngoy Bokolombe, Damien S. T. Tshibangu, Zephyrin G. Yav, Distortions and Deformations of Metaled Meso-Substituted and Unsubstituted Porphyrins and Derivatives in Crystal Structures, Crystal Structure Theory and Applications, 2016, 5, 1-15.

23. I Openda, M. Ebienge, H. Futi,M.B. Mbala, B.P. Ngoy, A New Photoremovable Protecting Group containing 2- Methyl-1.4-Naphthoquinone: Steady state and Transient spectroscopic Studies, Journal of Physical and Chemical Sciences, 2015, ISSN: 2348-327X.

24. L Mbanga, P. Mpiana, M. Mumbwa, K. Bokolo, B. Ngoy, and M. Mulenga, Sun Protection Factor (SPF) determination of cosmetic formulations made in Kinshasa (D.R.Congo) by in-vitro method using UV-Vis spectrophotometer, Journal of Physical and Chemical Sciences, 2014,2: 1-5 ISSN: 2348-327X.

25. Viju B. K, Šolomek, T., Bokolombe Pitchou Ngoy, Heger, D., Rubina, M., Givens, R. S., Klán, P., A Photo-Favorskii Ring Contraction Reaction: The Effect of Ring Size, Journal of Organic Chemistry 2013, 78 (5), 1718–1729.

26. Tomáš Šolomek, Dominik Heger, Bokolombe P. Ngoy, Richard S. Givens, and Petr Klan, the Pivotal Role of Oxyallyl Diradicals in Photo-Favorskii Rearrangements: Transient Spectroscopic and Computational Studies Journal of American Chemical Society 2013, 135, 15209−15215.

27. Bokolombe Pitchou Ngoy, Šebej, P., Šolomek, T., Lim, B. H., Pastierik, T., Park, B.S., Givens, R. S., Heger, D., Klán, P., 2-Hydroxyphenacyl Ester: A new Photoremovable Protecting Group, Photochemical and Photobiological Sciences, 2012, 11(9):1465-75.

28. Aneesh Tahze Veetil, Tomáš Šolomek, Bokolombe Pitchou Ngoy, Nela Pavlíkova Dominik Heger, and Petr Kla´n, Photochemistry of S-Phencayl Xanthate, Journal of Organic Chemistry 2011, 76, 8232–8242.

29. Laxminarayana Kammari, Tomáš Šolomek, Bokolombe Pitchou Ngoy, Dominik Heger, and Petr Kla´n, Orthogonal Photocleavage of a Monochromophoric Linker, Journal of American Chemical Society 2010, 132, 11431–11433.

30. Bokolombe Ngoy, Ilinga Lopaka et Kifuani K. M., Essai de purification de l’huile lubrifiante SAE 40 par adsorption sur charbon actif Ntola NP, Annale de la faculté des Science, Kinshasa 2003, 135-147.

Posters

1. Ngoy Bokolombe and Bice Martincigh, Photodamage induced by sunscreen Absorbers, 39th South Africa Chemical Institute (SACI) National Convention, Stellenbosch, 30 November-5 December, 2008, South Africa.

2. Petr Klán, Laxminarayana Kammari, Ngoy Bokolombe Pitchou, Dominik Heger, X Orthogonal Photocleavage of Monochromoric Dual Protecting Group, ICP2009. XXIV International Conference on Photochemistry. 19-24 July 2009 (PSI P58) in Toledo, Spain.

3. Aneesh T. Veetil, Pitchou.B.Ngoy, Nela Pavlikova, Dominik Heger and Petr Klán Photochemistry of Phenacyl Xanthates, XXIII IUPAC Symposium on Photochemistry, July 11-16, 2010, Ferrara, Italy.

4. Peter Šebej, Ngoy P.Bokolombe, Bum Hee Lim, Bon Ser Park, Richard S. Givens, Petr Klán. Power of solvent in alternating the course of photorearrangements of phenacyl chromophore,242ndAmerican Chemical Society National meeting August 28-September 01 2011(PSI-P58) in Denver, Colorado, USA.

5. Bokolombe Pitchou Ngoy, Šebej, P., Lim, B. H., Heger, D., Park, B. S., Givens, R. S., and Klán, P. Laser Flash Photolysis studies of o-hydroxyacetophenone and its derivatives, Central European Conference on Photochemistry (PSI-P5) 05-09 February 2012, Bad Hofgastein, Austria.

Oral presentation and Awards

- 2004: Pollution Anthropique des nappes aquiferes dans la ville de Kinshasa, Seminaire sur la modelisation de la pollution des sols et nappes aquiferes, Brazzaville Juillet 2004.

- 05-08 May 2015: Bokolombe Pitchou Ngoy, Šebej, P., Lim, B. H., Heger, D., Park, B. S., Givens, R. S., and Klán, P. Laser Flash Photolysis studies of o-hydroxyacetophenone and its derivatives, 8th International Kenya Chemical Society Conference (PSI-P5), Nairobi, Kenya

- 2011: Department of Chemistry Awards at Masaryk University, Brno, Czech Republic.