Faculty Profiles

Profile

Name: Dr. Paul Njenga Waithaka

Qualifications

  • Ph.D, Microbiology, University of Nairobi 2019
  • Msc. Microbiology, Kenyatta University, 2014
  • B.Ed. (Sci.) Egerton University, 2007.

Research Interests

Drug resistance and Drug discovery.

Publications

  1. Waithaka, N. P., Muthini, J. M. and Nyamache, A. K. Microbial contamination of environmental, food and water samples in Nakuru North Sub-county, Kenya. International Journal of Microbiology and Allied Sciences (IJOMAS) 2014; 1(2):78-91. https://www.ijomas.com/
  2. Waithaka, N. P., Nyamache, A. K. and Muthini, J. M. Physico-chemical and microbiological analysis in treated, stored and drinking water in Nakuru North, Kenya. International Journal of Microbiological Research (IJMER) 2014; 2(4): 29-37. http://www.projournals.org/AMBSR.
  3. Waithaka, N. P., Muthini, J. M. and Nyamache, A. K. Isolation of heavy metal and antibiotic resistant microorganisms from treated sewage from Nakuru, Kenya. Scientific Journal of Microbiology 2014; 3(12) 118-125. https://doi:10.14196/sjm.v3i12.1814.
  4. Waithaka, N. P., Muthini, J. M. and Nyamache, A. K. Physico-chemical and microbial isolation, sensitivity test of the isolates and solar disinfection of water running in community taps and river Kandutura in Nakuru North Sub-county, Kenya. The open Journal of Microbiology 2015; 9, 1-7. https://doi:10.2174/1874285801509010117.
  5. Waithaka, N. P., Mwaura, F. B., Wagacha, J. M. and Gathuru, E. M. Physico-chemical characteristics of soils from Menengai geothermal crater in Kenya and their influence on plant diversity. The Sky Journal of Soil Science and Management 2016; 5(5):033-043. http://www.skyjournals.org/SJSSEM.
  6. Waithaka P. N., Eliud M. Gathuru, Benson M. Githaiga and Jane M. Kwoko.  Making of perfumes from essential oils extracted from lavender plant collected from Egerton University, Main Campus Njoro, Kenya. Pyrex Journal of Biomedical Research 2016; 2 (6):35-40. http://www.pyrexjournals.org/pjbr.
  7. Waithaka P. N., Eliud M. Gathuru, Benson M. Githaiga and Japhet K. Tembo. Synergistic antimicrobial effect of Egerton university cow’s urine and neem tree (Azadirachta indica) crude extracts on selected infectious human and plant pathogenic microbes. International Academy of Engineering and Medical Research 2016; 1 (3): 1-7. http://www.iaemr.com.
  8. Waithaka P. N., Eliud M. Gathuru, Benson M. Githaiga, Jane W. Muthoni and Linet T. Laban.  Control of maize fungal diseases using essential oils extracted from Rosemary and Eucalyptus in Egerton University Main Campus Njoro, Kenya. International journal of recent development in engineering and technology 2017; 6 (1): 5-11.  www.ijrdet.com.
  9. Waithaka P. N.  , Eliud M. Gathuru, Benson M. Githaiga, Edwin O.  Ochieng and Linet T. Laban. Microbial Degradation of Polythene using Actinomycetes Isolated from Maize Rhizosphere, Forest and Waste Damping sites within Egerton University, Kenya. International Journal on Emerging Technologies 2017; 8(1): 05-10. https://www.semanticscholar.org/.
  10. Waithaka, N. P., Mwaura, F. B., Wagacha, J. M. and Gathuru, E. M. Physico-chemical characteristics and microbial diversity of soils from Menengai crater in Kenya. Borneo Science Journal 2017; 38 (1): 1-12. http://borneoscience.ums.edu.my/?p=1891.
  11. Waithaka, P. N.  Eliud M. Gathuru, Benson M. Githaiga and Salome N. Kimani.  Control of passion fruit fungal diseases using essential oils extracted from Rosemary (Rosmarinus officinalis) and Eucalyptus (Eucaluptus agglomerate) in Egerton University Main Campus Njoro, Kenya. International journal of microbiology 2017; 1:1-6. https://doi.org/10.1155/2017/2814581.
  12. Waithaka, P. N.  , Eliud M. Gathuru, Benson M. Githaiga and Silviah W. Gachau.  Control of erwinia spp. isolated from star-of-bethlehem (ornithogalum spp.) using actinomycetes and antiserum prepared from the bacteria using rabbit. The pharmaceutical and chemical journal 2017; 4(2):35-42. www.tpcj.org
  13. Waithaka, P. N., Eliud M. Gathuru, Benson M. Githaiga and Keziah M. Onkoba. Antimicrobial activity of mushroom (Agaricus bisporus) and fungal (Trametes gibbosa) extracts from mushrooms and fungi of Egerton Main Campus, Njoro Kenya. Journal of Biomedical Sciences 2017; 6:1-6. https://doi:10.4172/2254-609X.100064.
  14. Waithaka, P. N., Mwaura, F. B., Wagacha, J. M. and Gathuru, E. M. Isolation of Actinomycetes from the Soils of Menengai Crater in Kenya. Greener Journal of Microbiology and Antimicrobials 2017; 3(2): 008-017. https://doi.org/10.15580/GJMA.2017.2.041817051.
  15. Waithaka, P. N., Mwaura, F. B., Wagacha, J. M. and Gathuru, E. M. Methods of Isolating Actinomycetes from the Soils of Menengai Crater in Kenya. Archives of Clinical Microbiology 2017; 8 No.3:45. https://10.21767/1989-8436.100045.
  16. Mruche, N. Mgala, Elizabeth N. W., Linet T. L. Michael M. G. and Waithaka P. N.  Evaluation of Mass Drug Prophylactic Adminitration on Wuchereria bancrofti Among Communities of Selected Villages in Lamu County, Kenya. Journal of Biological Research and Development (JBRD) 2017; 2(1): 1-12. www.tpcj.org.
  17. Waithaka, P. N., Mwaura, F. B., Wagacha, J. M. and Gathuru, E. M. Isolation of Actinomycetes from Geothermal Vents of Menengai Crater in Kenya. International Journal of Molecular Biology 2017; 2(5): 00031. https://doi:10.15406/ijmboa.2017.02.00031.
  18. Waithaka, P. N., Mwaura, F. B., Wagacha, J. M., Gathuru, E. M. and Githaiga B. M. Antimicrobial Properties of Actinomycetes Isolated from Menengai Crater in Kenya. Cellbio 2017; 6:13-26. http://www.scirp.org/journal/cellbio.
  19. Waithaka, P. N., Mwaura, F. B., Wagacha, J. M., Gathuru, E. M. and Githaiga B. M. Sensitivity testing, yield and stability of antimicrobial metabolites obtained from soils of Menengai crater in Kenya. Biomedical Sciences Today 2018; 3:e16. http://www.mdtcanada.ca/bmst.html.
  20. Waithaka, P. N., Eliud M. Gathuru, Benson M. Githaiga and Zawadi R. K. Antimicrobial properties of Aloe vera, Aloe volkensii and Aloe secundiflora from Egerton University. Acta Scientific Microbiology 2018; 1: 06-10. https://actascientific.com/.
  21. Waithaka, P. N., Gathuru, E. M., Githaiga, G. M. and Mwaringa, J. D. Control of Ascochyta blight of chickenpea using essential oils from thyme (Thymus vulgaris), sage (Salvia officinalis L.) and rosemary (Rosmarinus officinalis L.) plants. Journal of Antimicrobial Agents 2018; 4(3): 1000176. https://doi:10.4172/2472-1212.1000176.
  22. Githaiga B. M. G., Gathuru, E. M., Waithaka, N. P. and Kiarie L.W. Determination of antibacterial activity of essential oils from mint leaves on selected bacterial pathogens. Journal of drugs and Pharmaceutical Sciences 2018; 2(2): 8-14. 22. https://doi.org/10.31248/JDPS2018.
  23. Githaiga B. M. G., Gathuru, E. M., Waithaka, N. P. and Omondi G.O. Antifungal effects of essential oils from mint and rosemary on Peronospora destructor and Candida albicans. Mediterranean Journal of Basic and Applied Sciences 2018; 2(4): 05-12. www.mjbas.com.
  24. Githaiga B. M. G., Gathuru, E. M., Waithaka, N. P and Kirimi D. K. Isolation, control and development of antiserum from Rastonia solanacearum. International journal of advanced microbiology and health research 2018; 2(4): 1-9. www.ijamhr.com.
  25. Githaiga, B. M., Lelmen, E., Mwangi, E. M., Waithaka, P. N. Effects of Withania somnifera root extracts on serotonin secretion in suiz albino mice. Journal of Pharmaceutical and Biological Sciences 2018; 6(4):109-113. https://doi:10.18231/2320-1924.2018.0013.
  26. Waithaka, P. N., Gathuru, E. M., Githaiga, G. M. and Ouma O. C. Microbial degradation of maize waste materials using Actinomycetes isolated from Egerton University soil. International Journal of Biological Sciences 2019; 1 (1): 31-37. www.scirange.com.
  27. Waithaka, P. N., Gathuru, E. M., Githaiga, G. M. and Kamunyi J. N. Control of bacterial pathogens isolated from water using actinomycetes extracts in Egerton University, Kenya. Bionatura 2019; 4(1): 790-794. https://doi.10.21931/RB/2019.04.01.8.
  28. Githaiga B. M. G., Gathuru, E. M., Waithaka, N. P. and Maloba, M. Antimicrobial activity of eucalyptus (Eucalyptus globules), sage (Salvia officinalis) and rosemary (Rosmarinus officinalis) against Colletotrichum gloeosporioides from Egerton University. The pharmaceutical and Chemical Journal 2019; 6(1): 1-10. www.tpcj.org.
  29. Waithaka, P. N., Mwaura, F. B., Wagacha, J. M., Gathuru, E. M. and Githaiga, B. M. Purification and cytotoxic tests of four antimicrobial compounds isolated from actinomycetes from the soils of Menengai Crater, Kenya. Novel Research in Microbiology Journal 2019); 3(3): 351-365. https://doi:10.21608/nrmj.2019.37208.
  30. Waithaka, N. P., Gathuru, E. M., Githaiga, B. M. and Nyawera, D. Anti-Mitotic properties of Pawpaw, Pomegranate and Safflower. International Journal of Biochemistry and Pharmacology 2019; 1(1): 16-20. https://doi:10.18689/ijbp-1000104.
  31. Odhiambo, O. F., Abwao, I., Githaiga B. M. and Waithaka, N. P. Antimicrobial activity of Acmella caulirhiza on Candida albican and Escherichia coli. Journal of Medical and life Sciences 2019; 1(2): 48 -56. www.jmals.org.
  32. Katana, L. K., Maina, C. I., Orenge, C. O., Kirui, C. K., Muriuki, G. B. and Waithaka P. N. Effectiveness of Pomegranate (Punica granatum L.) fruit extract on the sexual function in rats. Microbial and Biochemical Journal 2019; 11(4): 1-6.
  33. Waithaka, P. N., Githaiga, B. M., Gathuru, E. M., and Dixon, M. F. Antibacterial effect of Solanum incanum root extracts on bacteria pathogens isolated from portable water in Egerton University, Kenya. Journal of Biomedical Sciences 2019; 6(2):19-24. https://doi.org/10.3126/jbs.v6i2.26813.
  34. Waithaka, N. P and Muriuki, J. N. Preparation of Soap Using Banana Peel and Olive Tree Ashes. Animal Science Journal 2019; 10(1): 22-29.
  35. Muriuki, B. G., Omondi, O. S., Waithaka, N. P. and Otieno, G. O. Nutrient removal efficiency of Spirogyra sp. and Oedogonium sp. in wastewater. International Journal of Advanced Biotechnology and Research 2020; 11(2): 18-25. https://bipublication.com/.
  36. Waithaka, N. P., Mwaura, F. B., Wagacha, J. M., Gathuru, E. M. and Muriuki, B. G. Molecular characterization of four antibiotic producing actinomycetes isolated from Menengai crater. Journal of Pharmacy Practice and Pharmaceutical Sciences 2020; 1:96-104.https://doi:10.33513/PPPS/2001-21.
  37. Mwancha, S. N. O, Gathuru, E. M., Wagara, I. N., Waithaka, P. N. and Githaiga, B. M.  Post-harvest Practices of Maize Farmers in Selected Counties in Kenya and Isolation of Mycotoxin Producing Fungi from Maize Samples. Indian Journal of Pure and Applied Biosciences 2020; 8(5): 20-30. www.ijpab.com.