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(Last updated: May 7, 2020)

Publications

Forthcoming

R, M, L.K O, J.O M, V M.  Forthcoming.  Cytotoxicity of principles from Bridelia micrantha.
L.K, O, J.O M, V K, T E.  Forthcoming.  Cytotoxicity of 48 Compounds from Kenyan flora against Drug Sensitive and Resistant Leukemia cell lines.

In Press

Owino, I, Omosa LK, Onyari JM, Mulaa F.  In Press.  Improvement of Fastness of Tagetes minuta L (Tami) dye onto cotton fabric through functionalization. Journal of Natural Sciences Research Journal of Natural Sciences Research .

2020

Nchiozem-Ngnitedema, V-A, Omosa LK, Derese S, Tane P, Heydenreich M, Spiteller M, Ean-JeongSeo, Efferth T.  2020.  Two new flavonoids from Dracaena usambarensis Engl. Phytochemistry Letter. 36:80-85.alex_et_al_2020.pdf
Omole, RA, Moshi MJ, Ilias M, Larry W, Malebo HM, Omosa LK, Midiwo JO.  2020.  In vitro Antiplasmodial and Cytotoxic activity of Three Medicinal Plants used Traditionally for Treatment of Malaria. Investigational Medicinal Chemistry & Pharmacology. 10(1):2-6.omole_et_al_2020.pdf

2019

Kenanda, EO, Omosa LK.  2019.  Anti-leishmanial activity of some surface compounds of Tarchonanthus camphoratus. Investigational Medicinal Chemistry & Pharmacology. 2 (2):30.kenanda_et_al_05082019.pdf
Okerio, KN, Kenanda EO, Omosa LK.  2019.  Antiproliferative Properties of Labdane Diterpenoids from Croton sylvaticus Hochst against Drug Sensitive and Resistant Leukemia cell lines. Investigational Medicinal Chemistry & Pharmacology. 2(2):31.okerio_et_al_2019.pdf
Omole, RA, Moshi MJ, Heydenreich M, Malebo HM, Gathirwa JW, Oriko RO, Omosa LK, Midiwo JO.  2019.  Antiplasmodial Biflavanones from the Stem Bark of Garcinia buchananii Engl.. Pharmacognosy Communications. 9(3):96-99.
Kamau, RW, Midiwo JO, Mgani QA, Masila VM, Omosa LK, Bwire RN, Jacob MR, Frank T. Wiggers IM.  2019.  Oleanolic Acid and other Compounds Isolated from Cordia Africana Lam which Inhibit Vancomycin Resistant Enterococcus. Pharmacognosy Communications. 9(3):91-95.rahab_et_al_2019_pharmacognosy.pdf
Omosa, LK, Amugune B, Mutai P, Karumu E, Mukungu N, Induli M, Kama-Kama F, Kuete V.  2019.  Rapid Screening Using GIBEX Screens-To-Nature System of Ethnomedicinal Plants from Ngong Forest, Kenya for Potency Against Infectious Diseases and Antioxidant Activities: A Qualitative Study. Pharmacognosy Communications. 9(2):59-74.omosa_et_al._2019_pharmacognosy_communications.pdfomosa_et_al._2019.pdf
Omole, RA, Moshi MJ, Heydenreich M, Malebo HM, Ochieng’ SA, Omosa LK, Midiwo JO.  2019.  Two novel lignans derivatives and two fusicoccane diterpenoids from whole plant of Hypoestes verticillaris (L.f.) Sol. ex Roem. & Schult. Phytochemistry Letters. 30:194-200.omole_et_al_2019.pdf
Omosa, LK, Mbogo GM, Korir E, Omole R, Ean-JeongSeo, Yenesew A, Midiwo MHJO, Efferth T.  2019.  Cytotoxicity of Fagaramide Derivative and Canthin-6-one from Zanthoxylum (Rutaceae) Species against Multidrug Resistant Leukemia Cells. Natural Products Research. https://doi.org/10.1080/14786419.2019.1587424:1-8.omosa_et_al_2019 pdf
Efferth, T, Omosa LK, et al.  2019.  "Biopiracy versus One-World Medicine–From Colonial Relicts to Global Collaborative Concepts. Phytomedicine. 53:319-331.efferth_et_al._2018

2018

Mwangi, HN, Onyango, Omosa LK, Mulaa F.  2018.  Virtual Screening and Validation of Potential Lead Compound from the Malaria Box against Plasmodium Falciparum S7 and S19 Proteins. Journal of Pharmaceutical Research. 2(2)
Nyaboke, HO, Moraa M, Omosa LK, Mbaveng AT, Vaderament-Alexe N-N, Masila V, Okemwa E, Heydenreich M, Efferth T, Kuete V.  2018.  Cytotoxicity of Lupeol from the Stem Bark of Zanthoxylum gilletii against Multi-factorial Drug Resistant Cancer Cell Lines . Investigational Medicinal Chemistry & Pharmacology . 1(1):10.
Kuete, V, Omosa LK, Karaosmanoğlu O, Sivas H.  2018.  Cytotoxicity of 11 Naturally occurring Phenolics and Terpenoids from Kenyan Flora towards Human Carcinoma Cells. Journal of Ayurveda and Integrative Medicine. https://doi.org/10.1016/j.jaim.2018.04.001kuete_et_al_2018 pdfkuete_et_al_2018 pdf

2017

Kama-Kama, F, Omosa LK, Nganga J, Maina N, Osanjo G, Yaouba S, Ilias M, Midiwo J, Naessens J.  2017.  Antimycoplasmal Activities of Compounds from Solanum aculeastrum and Piliostigma thonningii against Strains from the Mycoplasma mycoides Cluster. Frontiers in Pharmacology. 9:920.
Soares, ACF, Cabral MMW, Martins CHG, Ferreira AE, Bergamo PAS, Omosa LK, Midiwo JO, Parreira RLT, Heleno VCG.  2017.  Study of Anti-Tuberculosis Activity Behaviour of Natural Kaurane and Trachylobane Diterpenes Compared with Structural Properties Obtained by Theoretical Calculations. Natural Products Communications . 12(5):763-769.
Omosa, LK, Midiwo JO, Kuete V.  2017.  Medicinal Spices and Vegetables from Africa: Therapeutic Potential against Metabolic, Inflammatory and Infectious Diseases; Part III, Popoular African Medicinal Spices and Vegetables and their Health Effects. Elsevier publishers. 19:425-433.
Omosa, LK, Okemwa EK.  2017.  Antiplasmodial activities of the stem bark extract and compounds of Zanthoxylum gilletii (De wild) P.G. Waterman.. Pharmacognosy Communications. 7(1):41-46.
E.K, O, L.K O.  2017.  Semi-Synthetic Pyrazoline Derivatives from Polygonum senegalense Chalcones and their Anti-Microbial Activities. Pharmacognosy Communications. 7(1):53-60.
E, O, L.K O.  2017.  Pyrazole, Isoxazoline and Bypyrimidine Derivatives from Polygonum senegalense and Psiadia punctulata Flavonoids and their Anti- Microbial Activities. Pharmacognosy Communications. 7(1):47-52.

2016

  2016.  Standardization of Commiphora Abyssinica Engl. Gum Resin From Kajiado, Kenya. IOSR Journal of Applied Chemistry (IOSR-JAC) . 9(8):69-74.waweru_et_al_2016_iosr-jac.pdf
Victor, L.K O, V.R.S T, J.O M, A.T M, O K, H S, S S.  2016.  Cytotoxicity of Plumbagin, Rapanone and 12 other Naturally occurring Quinones towards Human Carcinoma Cells. BMC Pharmacology and Toxicology. 17:60.kuete_and_omosa_et_al._2016.pdf
B, N, M.K L, D.A M, H E, M.R J, S.I K, I M, L.K O, J.O M.  2016.  New ent-clerodane and abietane diterpenoids from the roots of Kenyan Croton megalocarpoides Friis & M.G. Gilbert. Planta Medica. doi, http://dx.doi.org/10.1055/s-0042-108857ndunda_et_al._planta_medica_2.pdf
F, K-K, J.O M, J N, N M, E S, L.K O, G O.  2016.  Selected Kenyan medicinal plants used to treat respiratory symptoms in ruminants show in vitro activity against major African livestock pathogens belonging to the "Mycoplasma mycoides cluster". Journal of Ethnopharmacology. 192:524-534.
E, A, L.K O, J.O M, A N, J M.  2016.  Antioxidant Activities of Flavonoid Aglycones from Kenyan Gardenia ternifolia Schum and Thonn. IOSR Journal of Pharmacy and Biological Sciences . 11(3):136-141.awas_et_al._iosr-jpbs.final_.pdfawas_et_al._iosr-jpbs.final_.pdf
Milugo, T, Masila VM, Owuor B, Bulimo W, Julius Oyugi, Ochanda J, Wamunyokoli F, Omosa LK.  2016.  Anti-cancer activities of crude extracts from medicinal plants Moringa oleifera Lam and Rauwolfia caffra against selected cancer cell lines. IOSR Journal of Pharmacy and Biological Sciences. 11(3):59-64.milugo_et_al._2016.pdf
K.Omosa, L, Akala H, Kenanda EO, Kuete V.  2016.  Variability of Surface Exudates of Dodonaea angustifolia L.f, Antioxidant and antiplasmodial activities of the compounds. Journal of Natural Sciences Research, IISTE. 6(10):78-85.omosa_et_al._2016_iiste_journal_of_natural_research.pdf
Omosa, LK, Midiwo JO, Mbaveng AT, Tankeo SB, Seukep JA, Voukeng IK, Dzotam JK, Isemeki J, Omolle RA, Efferth T, Kuete V.  2016.  Antibacterial Activity and Structure-Activity Relationships of a Panel of 48 Compounds from Kenyan Plants against Multidrug Resistant Phenotypes. SpringerPlus. 5:901.omosa_et_al._springerplus_paper.pdf
T, E, M B, N.W P, S A, J A, G E, S H, C H, R H, O K, J N, D O, E O, N O, M.E.M S, M S, E.-J S, C.-F W, G Y, M Z, Q Z, M.S A-D, K A, G A, D B, D B-G, V B, L.K O,, J.N Kiiru, et al.  2016.  Drug discovery and biopiracy of natural products" . Phytomedicine. Elsevier(23(2)):166-173.efferth_et_al._2016.pdf
LK, O, O MJ, VM M, R M, V K, T E.  2016.  Cytotoxicity of 91 Kenyan indigenous medicinal plants towards human CCRF-CEM leukemia cells. Journal of Ethnopharmacology. 179:177–196.omosa_et_al_ethnopharmacology.pdf

2015

Djeussi, DE, Sandjo LP,.Noumedem JAK, Omosa LK, Ngadjui BT, Kuete V.  2015.  Antibacterial Activities of the Methanol Extracts and Compounds from Erythrina sigmoidea against Gram-negative Multi-drug Resistant Phenotypes. BMC Complementary and Alternative Medicine. 15:453.bmc_2015_djeussi_et_al._erythrina1.pdf
VM, M, O MJ, J Z, BM G, R M, LK O, FT W, MR J, LA W, I M.  2015.  Anti-Vancomycin-resistant Enterococcus faecium and E. faecalis activities of (-)-gossypol and derivatives from Thespesia garckeana. Natural Product Communications (NPC). 10(4):613-616.masila_et_al.pdf
Ndunda, B, Langat MK, Midiwo JO, Omosa LK.  2015.  Diterpenoid Derivatives of Kenyan Croton sylvaticus Hochst. Natural Product Communications (NPC). 10(4):557-558.ndunda_et_al.pdf
Akimanya, A, Midiwo JO, Matasyoh J, Okanga F, Masila VM, Walker L, Tekwani BL, Muhammad I, Omosa LK.  2015.  Two polymethoxylated flavonoids with antioxidant activities and a rearranged clerodane diterpenoid from the leaf exudates of Microglossa pyrifolia. Phytochemistry Letters. 11:183-187.akimanya_et_al.pdf

2014

  2014.  6α-Hydroxy-α-toxicarol and (+)-tephrodin with antiplasmodial activities from Tephrosia species. Phytochemistry Letters. 10:179-183.
Kariuki, DK, Miaron JO, Mugweru J, Kerubo LO.  2014.  Antibacterial Activity of Five Medicinal Plant Extracts Used by the Maasai People of Kenya. BEST: International Journal of Humanities, Arts, Medicine and Sciences (BEST: IJHAMS) . 2(7):1-6.kariuki_et_al__2014.pdf
Omosa, LK, Amugune B, Ndunda B, Milugo TK, Heydenreich M, Yenesew A, Midiwo JO.  2014.  Antimicrobial flavonoids and diterpenoids from Dodonaea angustifolia. South African Journal of Botany. 91:58-62.omosa_eet_al._sajb.pdf

2013

Amugune, BK, Thoithi GN, Mwangi JW, L.K.Omosa, Kibwage IO.  2013.  Antimicrobial Activity and Bioactive Constituents of Alectras sessiliflora (Vahl) Kuntze Methanol Extract. East and Central African Journal of Pharmaceutical Sciences . 16 :61-68.amugune_et_al.pdf

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