Search Results - "Orwa, J A"

Refine Results
  1. 1

    Antimalarial and safety evaluation of extracts from Toddalia asiatica (L) Lam. (Rutaceae) by Orwa, J.A., Ngeny, L., Mwikwabe, N.M., Ondicho, J., Jondiko, I.J.O.

    Published in Journal of ethnopharmacology (30-01-2013)
    “…Toddalia asiatica (L) Lam. (Rutaceae) is a medicinal plant traditionally used in Kenya by many communities for the treatment of malaria and other ailments. All…”
    Get full text
    Journal Article
  2. 2

    The use of Toddalia asiatica (L) Lam. (Rutaceae) in traditional medicine practice in East Africa by Orwa, J.A., Jondiko, I.J.O., Minja, R.J.A., Bekunda, M.

    Published in Journal of ethnopharmacology (17-01-2008)
    “…Toddalia asiatica (L) Lam. (Rutaceae) has been used by traditional health practitioners in East Africa for management of diseases, however, the extent of its…”
    Get full text
    Journal Article
  3. 3

    Isolation and structural characterization of polymyxin B components by Orwa, J.A., Govaerts, C., Busson, R., Roets, E., Van Schepdael, A., Hoogmartens, J.

    Published in Journal of Chromatography A (06-04-2001)
    “…Polymyxin B is a peptide antibiotic complex present as sulphate. The components were separated preparatively on a poly(styrene–divinylbenzene) (PLRP-S), 1000…”
    Get full text
    Journal Article
  4. 4

    Liquid chromatography of polymyxin B sulphate by Orwa, J.A., Van Gerven, A., Roets, E., Hoogmartens, J.

    Published in Journal of Chromatography A (18-02-2000)
    “…A reversed-phase liquid chromatography method for analysis of polymyxin B sulphate is described. The method uses a YMC-Pack Pro, C 18, 5 μm, 250×4.6 mm I.D…”
    Get full text
    Journal Article Conference Proceeding
  5. 5

    Development and validation of a liquid chromatography method for analysis of colistin sulphate by Orwa, J. A, Van Gerven, A, Roets, E, Hoogmartens, J

    Published in Chromatographia (01-04-2000)
    “…The peptide antibiotic Colistin has been successfully separated into more than thirty components on a YMC-Pack Pro, C-18 column with a mobile phase of…”
    Get full text
    Journal Article
  6. 6

    Liquid chromatography method for separation of clindamycin from related substances by Orwa, J.A., Vandenbempt, K., Depuydt, S., Roets, E., Hoogmartens, J.

    “…A reversed-phase liquid chromatography method has been developed for the separation of clindamycin from 7-epiclindamycin, clindamycin B, lincomycin, lincomycin…”
    Get full text
    Journal Article
  7. 7

    Analysis of polymyxin B sulfate by capillary zone electrophoresis with cyclodextrin as additive: Method development and validation by Kang, J.W, Van Schepdael, A, Orwa, J.A, Roets, E, Hoogmartens, J

    Published in Journal of Chromatography A (26-05-2000)
    “…A capillary zone electrophoresis method for analysis of polymyxin B sulfate is described. In this method, triethanolamine (TEA)–phosphate buffer at pH 2.5 was…”
    Get full text
    Journal Article
  8. 8

    Isolation and structural characterization of colistin components by Orwa, J A, Govaerts, C, Busson, R, Roets, E, Van Schepdael, A, Hoogmartens, J

    Published in Journal of antibiotics (2001)
    “…Preparative-scale separation of colistin sulphate bulk sample was carried out on a preparative poly(styrene-divinylbenzene) stationary phase. Isocratic elution…”
    Get more information
    Journal Article
  9. 9

    Influence of manufacturing practices on quality of pharmaceutical products manufactured in Kenya by ORWA, J. A, KETER, L. K, OUKO, S. P. A, KIBWAGE, I. O, RUKUNGA, G. M

    Published in East African medical journal (01-06-2004)
    “…To establish the quality of pharmaceutical products manufactured by the respective industries in Kenya and determine the effect of manufacturing practices on…”
    Get full text
    Journal Article
  10. 10

    Liquid chromatographic method for separation of lincomycin from its related substances by Orwa, J.A, Bosmans, F, Depuydt, S, Roets, E, Hoogmartens, J

    Published in Journal of Chromatography A (1998)
    “…A reversed-phase ion-pair liquid chromatographic method with UV detection at 210 nm is described for the separation of lincomycin from 7-epilincomycin and…”
    Get full text
    Journal Article
  11. 11
  12. 12

    Liquid chromatography of gramicidin by Orwa, J. A, Govaerts, C, Roets, E, Van Schepdael, A, Hoogmartens, J

    Published in Chromatographia (2001)
    “…A simple, selective method is described for separation of more than 10 gramicidin components on Spherisorb ODS B, 5 μm,250×4.6 mm I.D. column, maintained at…”
    Get full text
    Journal Article
  13. 13
  14. 14

    Traditional healers and the management of malaria in Kisumu district, Kenya by Orwa, J A, Mwitari, P G, Matu, E N, Rukunga, G M

    Published in East African medical journal (01-02-2007)
    “…To document the ethnobotanical information on malaria treatment with the goal of eventually testing the medicinal plant extracts for antiplasmodial activity. A…”
    Get full text
    Journal Article
  15. 15
  16. 16

    Quality of intravenous infusion fluids manufactured in Kenya by Aluoch-Orwa, J A, Ondari, C O, Kibwage, I O, Hoogmartens, J

    Published in East African medical journal (01-12-1995)
    “…The incidence and nature of microbial contamination of intravenous fluids prepared by four manufacturing establishments in Kenya was evaluated using the…”
    Get more information
    Journal Article
  17. 17

    Antiplasmodial and cytotoxic activities of the constituents of Turraea robusta and Turraea nilotica by Irungu, Beatrice N., Adipo, Nicholas, Orwa, Jennifer A., Kimani, Francis, Heydenreich, Matthias, Midiwo, Jacob O., Martin Björemark, Per, Håkansson, Mikael, Yenesew, Abiy, Erdélyi, Máté

    Published in Journal of ethnopharmacology (04-11-2015)
    “…Turraea robusta and Turraea nilotica are African medicinal plants used for the treatment of a wide variety of diseases, including malaria. The genus Turraea is…”
    Get full text
    Journal Article
  18. 18
  19. 19
  20. 20

    Study of the stability of polymyxins B(1), E(1) and E(2) in aqueous solution using liquid chromatography and mass spectrometry by Orwa, J A, Govaerts, C, Gevers, K, Roets, E, Van Schepdael, A, Hoogmartens, J

    “…Polymyxins B(1), E(1) (colistin A) and E(2) (colistin B) were subjected to degradation in aqueous solutions of different pH values (1.4, 3.4, 5.4 and 7.4) and…”
    Get full text
    Journal Article