Dr. Peter Waithaka Njoroge

Dr. Peter Waithaka Njoroge

Senior Lecturer: School of pure,Applied & Health Sciences
pwaithaka@mut.ac.ke

Biography

Dr. Peter Waithaka is a senior Lecturer of Inorganic Chemistry and Director of Research Innovation and Consultancy at Murang’a University of Technology. He is a holder of Ph.D. in Inorganic Chemistry from Kenyatta University, Master’s Degree in Natural Products from Kenyatta University, Bachelor’s Degree in Education (Sc.) from Kenyatta University. Research interests include Material science, Coordination chemistry, Water quality, Environmental chemistry and Catalysis. He has over 15 years of experience in teaching and research in inorganic chemistry, Supervised 8 postgraduate projects, Published 24 research papers in peer-reviewed journals. He is a member of the Kenya Chemical society and has served as principal Investigator for one funded project and a co-Investigator for four funded projects

Education

  • August 2010 to 2014: Doctor of philosophy in chemistry - Kenyatta University
  • 2003 - 2008: Masters of Science in Applied Chemistry (Chemistry) - Kenyatta University
  • 1992- 1996: Bachelor of Education (Science) Chemistry and Mathematics - Kenyatta University

Publications

  1. Njoroge, P. W.1*.,Mutembei P. K1., Wachira, J. M.2 and Wanjau, R.1 (2014) Magnetic Concentration of Iron in Lateritic Soils from Kamahuha, Murang’a County, in Kenya using Carbon Monoxide Generated In-Situ. International Journal of Scientific Engineering and Technology (ISSN : 2277-1581) Volume No.3 Issue No.8, pp : 1043-1046 1 Aug 2014 IJSET@2014 Page 1043
  2. Peterson, M. Kugeria*, Naftali. T. Muriithi, Peter W Njoroge Jackson, W. Muthengia,(2014) Effects Of Temperature On Ilmenite During Concentration Of Iron In Laterites Using Charcoal And Separation Using Magnetic Separation. International Journal of Scientific Engineering and Technology (ISSN : 2277-1581) Volume No.3 Issue No.6, pp : 1012-1017 1 June 2014 IJSET@2014 Page 1012
  3. Naftari T. M. Peter W. Njoroge, Jackson W. M. Wachira, Ruth N. Wanjau 30th June, 2015 Concentration of Laterites Using Biomass. Industrial Property Journal (Journal of Patents, Industrial Designs, Utility Models and Trade Marks) of June 2015.
  4. Warui S. Kariuki1, Jackson W. Muthengia2Mutembei K. Peterson2 Peter N. Waithaka3 (2015) Beneficiation of Iron in Thermal-Reduced Ilmenite by Magnetic Separation. International Journal of Science and Research (IJSR) ISSN (Online): Volume 4 Issue 5, May 2015 www.ijsr.net
  5. Peterson Mutembei Kugeriaa,*, Isaac Waweru Mwangib, Jackson Wachira Muthengiaa, Peter Waithaka Njoroge (2018) Monitoring the extraction of copper from chicken dung leachate using analuminium electrode as anindicator. http://www.cell.com/heliyon
  6. Hassan M. Lomertwala*, Peter W. Njoroge, Sylvia A. Opiyo, Brian M. Ptoton (2019) Characterization of Clays from selected sites for Refractory Application http://dx.doi.org/10.29322/IJSRP.9.11.2019.p9581
  7. Peter W. Njoroge, Sylvia A. Opiyo* Some Antibacterial and Antifungal Compounds from Root Bark of Rhus natalensis American Journal of Chemistry 2019, 9(5): 150-158 https://www.doi.org/5923/j.chemistry.20190905.03
  8. Peter W. Njoroge, Sylvia A. Opiyo Antimicrobial Activity of Root Bark Extracts of Rhus natalensisa and Rhus 2019, American Journal of Basic Sciences of Medicine p-ISSN: 2167-7344 e-ISSN: 2167-73522019; 8(2): 23-28 https://www.doi.org/10.5923/j.medicine.20190802.01
  9. Peterson Mutembei Kugeriaa , Isaac Mwangib,∗ , Jackson Wachiraa , Peter Njorogec (2018) Copper extraction by wet chemical method; Sustainable Mining journal elsevier.com/locate/jsm Research paper.
  10. Peterson Mutembei Kugeria1*, Peter Waithaka Njoroge2, Sylvia Opiyo2, and Isaac Waweru Mwangi3. Impure Hydrazone Preparation from Chicken Dung, Chemistry and Materials Research iiste.org ISSN 2224- 3224 (Print) ISSN 2225- 0956 (Online)
  11. Peterson Mutembei Kugeria1*, Peter Waithaka Njoroge2 Copper Extraction Using Aluminium in Acidic Leachage Media, Chemistry and Materials Research iiste.org ISSN 2224- 3224 (Print) ISSN 2225- 0956 (Online)
  12. Hassan M. Lomertwala*, Peter W. Njoroge, Sylvia A. Opiyo, Brian M. Ptoton Assessing Effect of Acid Treatment on the Chemical Properties of Clays from selected sites in Murang’a and Nyeri Counties, Kenya, Journal of Natural Sciences Research www.iiste.org ISSN 2224-3186 (Paper) ISSN 2225-0921 (Online)
  13. Sylvia A. Opiyo* , Peter W. Njoroge, Ephantus G. Ndirangu, Kennedy M. Kuria.A Review of Biological Activities and Phytochemistry of Rhus Species American Journal of Chemistry 2021, 11(2): 28-36 https://www.doi.org/10.5923/j.chemistry.20211102.02
  14. Sylvia A. Opiyo, Peter W. Njoroge, Ephantus G. Ndirangu. A Review Pesticidal Activity of Essential Oils against Sitophilus oryzae, Sitophilus granaries and Sitophilus Zeamais, IOSR Journal of Applied Chemistry (IOSR-JAC) e-ISSN: 2278-5736.Volume 15, Issue 4 I (April 2022), PP 39-51 www.iosrjournals.org
  15. Peterson Mutembei Kugeria1,* , Peter Waithaka Njoroge2Analysis of Copper Deposits in Maragwa Location in Tharaka Nithi County – Kenya,. American Journal of Materials Science 2022, 12(1): 18-24 https://www.doi.org/10.5923/j.materials.20221201.03
  16. Kelvin Mwangi Wanjiku , 1 Jackson Wachira Muthengia , 1 Joanne Ogunah,1 Daniel Karanja Mutitu,3 John Kinuthia,4 Romano Mwirichia , 2 Joseph Karanja Thiong’o , 5 Munyao Onesmus Mulwa , 5 Muriithi Genson,1 Peter Waithaka,6 and David Musyoki Munya. Effects of Lysinibacillus sphaericus on Physicomechanical and Chemical Performance of OPC Blended with Natural Tuff and Pulverized Fly Ash, Advances in Materials Science and Engineering Volume 2022, Article ID 3387928, 15 pages https://doi.org/10.1155/2022/338792
  17. Peterson Mutembei Kugeria1,* , Peter Waithaka, Rutile Concentration by Reduction of Titanium Ore – Laterite Mixture Using Biomass Njoroge2 American Journal of Materials Science 2022, 12(1): 1-6 https://www.doi.org/10.5923/j.materials.20221201.01
  18. Gakuru Simon Waweru, Sharon Kiprotich, Peter Waithaka Effects of Growth Temperature on the Structural and Optical Properties of Synthesized Titanium Dioxide Nanoparticles American Journal of   Materials      p-ISSN:   2162-9382  e-ISSN:   2162-8424, 2024; https://www.doi.org/10.5923/j.materials.20241401.02
  19. Sylvia A. Opiyo1, Peter W. Njoroge1, Ephantus G. Ndirangu1 and Kennedy M. Kuria, A Review of Biological Activities and Phytochemistry of Rhus Species, American Journal of Chemistry, p- ISSN: 2165-8749 e-ISSN: 2165-8781 2021;11(2): 28-36 https://www.doi.org/10.5923/j.chemistry.20211102.02
  20. Sylvia A. Opiyo1, Peter W. Njoroge1, Kennedy Kuria2Chemical Composition and Biological Activity of Extracts from Conyza Species, , IOSR Journal of Applied Chemistry (IOSR-JAC) e- ISSN: 2278-5736.Volume 16, Issue 4 Ser. I (April 2023), PP 61-71
  21. Sylvia Opiyo, Peter W. Njoroge Plant Extracts And Terpenes With Antivenom Properties, IOSR Journal of Applied Chttps://www.doi.org/10.9790/5736- 1703013141hemistry (IOSR-JAC) e-ISSN: 2278-5736.Volume 17  www.iosrjournals.org 31
  22. Sylvia A. Opiyo*, Peter W. Njoroge, Ephantus G. Ndirangu, Kennedy M. Kuria A Review of Biological Activities and Phytochemistry of Rhus Species, Journal of Natural Sciences Research www.iiste.org,ISSN 2224-3186 (Paper) ISSN 2225-0921 (Online) Vol.12, No.12, 2021
  23. Sylvia A. Opiyo1* Kennedy K. Muna2 Peter W. Njoroge1 Ephantus G. Ndirangu1Analgesic Activity of Conyza Floribunda Extracts in Swiss Albino Mice, ,IOSR Journal of Applied Chemistry (IOSR-JAC),e-ISSN: 2278-5736.Volume 15, Issue 8 Ser. II    https://www.doi.org/10.9790/5736-1508023445 www.iosrjournals.org 34 | Page
  24. Simon Waweru Gakuru, Sharon Kiprotich*, Peter Waithaka,Structural and Optical Properties of Fe Doped TiO2 Nanoparticles: Investigation of Effects of Different Doping Concentration, Journal of of Advances in Materials (Volume 13, Issue 2)
  25. Haron Bosuben1, Peter W. Njoroge1, Sylvia A. Opiyo1, Isaac W. Mwangi, Facile Removal of Phenol from Aqueous Solution Using Modulated Cornstarch Impregnated With Triethanolamine as Adsorbent: Sorption Isotherms and Kinetics, ,IOSR Journal of Applied Chemistry (IOSR-JAC) e-ISSN: 2278-5736.Volume  15,  Issue  4    https://www.doi.org/10.9790/5736-1504013951 www.iosrjournals.org.
  26. Simon Waweru Gakuru, Sharon Kiprotich*, Peter Waithaka,Effects of Different Zn Doping Concentration on the Optical and Structural Properties of TiO2 Nanoscience and Nanotechnology 2024, 13(1): 1-9 https://www.doi.org/10.5923/j.nn.20241301.01 May 2024
  27. Peter Waithaka Njoroge1 and C. Nyambura2,Risk Assessment of Resident Farmers in Kilimambogo, Kenya, Using RESRAD Computer Code 2024, https://www.doi.org/10.29322/IJSRP.14.09.2024.p15329. Volume 14, Issue 9, September 2024 ISSN 2250-3153.
  28. Grace Manyu 1, Peter Waithaka 2 End-Point Determination In Acid Decalcification of bone: A New Novel Method. https://www.doi.org/10.29322/IJSRP.14.07.2024.p15205. Volume 14, Issue 8, August 2024 ISSN 2250-3153.