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Waffo Tchounga Christelle Ange

Faculté de Médecine > Doct. scienc. biom. pharma.

ORCID
0000-0002-1540-4230
Main Referenced Co-authors
Marini Djang'Eing'A, Roland  (26)
Hubert, Philippe  (22)
Sacre, Pierre-Yves  (22)
Ciza Hamuli, Patient  (21)
Ziemons, Eric  (21)
Main Referenced Keywords
Raman spectroscopy (6); DD-SIMCA (4); NIR spectroscopy (4); Falsification (3); Near infrared spectroscopy (3);
Main Referenced Unit & Research Centers
CIRM - Centre Interdisciplinaire de Recherche sur le Médicament - ULiège [BE] (19)
Centre Interfacultaire de Recherche du Médicament - CIRM (2)
Laboratoire de chimie analytique (1)
Main Referenced Disciplines
Pharmacy, pharmacology & toxicology (28)

Publications (total 28)

The most downloaded
236 downloads
Habyalimana, V., Mbinze Kindenge, J., Yemoa, L., Waffo Tchounga, C., Diallo, T., Kalenda Tshilombo, N., Kadima Ntokamunda, J.-L., Lebrun, P., Hubert, P., & Marini Djang'Eing'A, R. (18 October 2016). APPLICATION OF DESIGN SPACE OPTIMIZATION STRATEGY TO THE DEVELOPMENT OF LC METHODS FOR SIMULTANEOUS ANALYSIS OF 18 ANTIRETROVIRAL MEDICINES AND 4 MAJOR EXCIPIENTS USED IN VARIOUS PHARMACEUTICAL FORMULATIONS [Paper presentation]. 19th Forum of Pharmaceutical Sciences / BELGIAN SOCIETY OF PHARMACEUTICAL SCIENCES, Brussels, Belgium. https://hdl.handle.net/2268/201481

The most cited

47 citations (Scopus®)

Ciza Hamuli, P.* , Sacre, P.-Y.* , Waffo Tchounga, C., Coic, L., Avohou, T. H., Mbinze, J., Ngono, R., Marini Djang'Eing'A, R., Hubert, P., & Ziemons, E. (01 September 2019). Comparing the qualitative performances of handheld NIR and Raman spectrophotometers for the detection of falsified pharmaceutical products. Talanta, 202, 469-478. doi:10.1016/j.talanta.2019.04.049 https://hdl.handle.net/2268/234666

Sacre, P.-Y., Waffo Tchounga, C. A., Ciza Hamuli, P., Marini Djang'Eing'A, R., Hubert, P., & Ziemons, E. (2024). Best practices/methods to generate and analyze spectral data [Paper presentation]. WHO consultation meeting for the development of a global spectral library for rapid screening of Substandard and Falsified (SF) medical products, Genève, Switzerland.

Sacre, P.-Y., Waffo Tchounga, C. A., Ciza Hamuli, P., Marini Djang'Eing'A, R., Hubert, P., & Ziemons, E. (2024). Application of vibrational spectroscopy to SF medicines analysis Research results at ULiège [Paper presentation]. WHO consultation meeting for the development of a global spectral library for rapid screening of Substandard and Falsified (SF) medical products, Genève, Switzerland.

Waffo Tchounga, C. A., Sacre, P.-Y., Ziemons, E., Hubert, P., & Marini Djang'Eing'A, R. (15 November 2023). Use of Screening Devices for Medicines in Cameroon [Paper presentation]. WHOside Event on Technologies to Screen and Detect Substandard/Falsified Medicines, Genève, Switzerland.

Waffo Tchounga, C. A. (2023). Analytical Strategies for the Determination of the Prevalence of Poor-Quality Anti-Infective Medicines in Cameroon [Doctoral thesis, ULiège - Université de Liège]. ORBi-University of Liège. https://orbi.uliege.be/handle/2268/308759

Waffo Tchounga, C. A., Marini, D. E. A., Nnanga Nga, E., Ciza Hamuli, P., Ngono Mballa, R., Hubert, P., Ziemons, E., & Sacre, P.-Y. (2023). In-Field Implementation of Near-Infrared Quantitative Methods for Analysis of Medicines in Tropical Environments. Applied Spectroscopy, 37028231201653. doi:10.1177/00037028231201653
Peer Reviewed verified by ORBi

Waffo Tchounga, C. A., Sacre, P.-Y., Ravinetto Raffaella, Marya Lieberman, Ciza Hamuli, P., Ngono Mballa Rose, Ziemons, E., Hubert, P., & Marini Djang'Eing'A, R. (11 August 2023). Usefulness of medicine screening tools in the frame of pharmaceutical post-marketing surveillance. PLoS ONE, 18 (8), 0289861. doi:10.1371/journal.pone.0289865
Peer Reviewed verified by ORBi

Waffo Tchounga, C. A., Sacre, P.-Y., Ciza Hamuli, P., Ngono Mballa, R., De Bleye, C., Ziemons, E., Hubert, P., & Marini Djang'Eing'A, R. (2023). Prevalence of Poor Quality Ciprofloxacin and Metronidazole Tablets in Three Cities in Cameroon. American Journal of Tropical Medicine and Hygiene. doi:10.4269/ajtmh.22-0221
Peer reviewed

Ciza Hamuli, P., Sacre, P.-Y., Waffo Tchounga, C. A., Kimbeni, T. M., Masereel, B., Hubert, P., Ziemons, E., & Marini Djang'Eing'A, R. (July 2022). Comparison of several strategies for the deployment of a multivariate regression model on several handheld NIR instruments. Application to the quality control of medicines. Journal of Pharmaceutical and Biomedical Analysis, 215, 114755. doi:10.1016/j.jpba.2022.114755
Peer Reviewed verified by ORBi

Waffo Tchounga, C. A., Sacre, P.-Y., Ciza Hamuli, P., Ngono Rose, Ziemons, E., Hubert, P., & Marini Djang'Eing'A, R. (07 June 2022). DD-SIMCA and PLS regression models applied to NIR spectroscopy for identification and assay of ciprofloxacin tablets [Paper presentation]. Congrès de Chimiométrie 2022, Brest, France.
Peer reviewed

Kagheni Mbayahi, E., Kitasuvirwa, W., Ciza Hamuli, P., Waffo Tchounga, C. A., Hubert, P., Sacre, P.-Y., Ziemons, E., Kalonji, N. J.-B., & Marini Djang'Eing'A, R. (02 February 2022). Quality control of anti-infective medicines : case of ciprofloxacin and metronidazole formulations in Butembo [Poster presentation]. CIRM Day 2022, Liège, Belgium.

Sacre, P.-Y., Waffo Tchounga, C. A., Ciza Hamuli, P., Avohou, T. H., De Bleye, C., Hubert, P., Marini Djang'Eing'A, R., & Ziemons, E. (02 February 2022). Applications of vibrational spectroscopy and imaging for the analysis of substandard or falsified medicines [Paper presentation]. CIRM DAY.

Sacre, P.-Y., Waffo Tchounga, C. A., Ciza Hamuli, P., Avohou, T. H., De Bleye, C., Hubert, P., Marini Djang'Eing'A, R., & Ziemons, E. (2022). Applications of vibrational spectroscopy and hyperspectral imaging for the analysis of substandard and falsified medicines [Paper presentation]. 12th International Symposium on Drug Analysis and the 32nd International Symposium on Pharmaceutical and Biomedical Analysis, Mons, Belgium.
Peer reviewed

Waffo Tchounga, C. A., Sacre, P.-Y., Ciza Hamuli, P., Ziemons, E., Hubert, P., Ngono Mballa, R., & Marini Djang'Eing'A, R. (05 October 2021). Development and validation of an LC-UV method for the simultaneous analyses of ciprofloxacin and metronidazole in tablet dosage forms: routine application and confirmation of falsifications [Poster presentation]. Congrès de Sciences Séparatives, Paris, France.

Ciza Hamuli, P., Sacre, P.-Y., Kanyonyo, M. R., Waffo Tchounga, C. A., Borive, M. A., Coic, L., Mbinze, J., Hubert, P., Ziemons, E., & Marini Djang'Eing'A, R. (August 2021). Application of NIR handheld transmission spectroscopy and chemometrics to assess the quality of locally produced antimalarial medicines in the Democratic Republic of Congo. Talanta Open, 3, 100025. doi:10.1016/j.talo.2020.100025
Peer Reviewed verified by ORBi

Waffo Tchounga, C. A., Sacre, P.-Y., Ciza Hamuli, P., Ngono Mballa, R., Nnanga Nga, E., Hubert, P., & Marini Djang'Eing'A, R. (14 June 2021). Poor quality medicines in Cameroon: a critical review. American Journal of Tropical Medicine and Hygiene, 20 (1346), 1-11. doi:10.4269/ajtmh.20-1346
Peer reviewed

Waffo Tchounga, C. A., Sacre, P.-Y., Ciza Hamuli, P., Ngono Mballa, R., Ziemons, E., Hubert, P., & Marini Djang'Eing'A, R. (19 May 2021). Determination of the composition of falsified chloroquine phosphate samples seized in Cameroon, DRC and Niger during covid-19 pandemic [Paper presentation]. CIRM DAY, Liège, Belgium.

Waffo Tchounga, C. A., Sacre, P.-Y., Ciza Hamuli, P., NGONO Mballa, R., Ziemons, E., HUBERT, P., & Marini Djang'Eing'A, R. (2021). Composition analysis of falsified chloroquine phosphate samples seized during the COVID-19 pandemic. Journal of Pharmaceutical and Biomedical Analysis, 194, 113761. doi:10.1016/j.jpba.2020.113761
Peer Reviewed verified by ORBi

Ciza Hamuli, P., Sacre, P.-Y., Kanyonyo, M., Waffo Tchounga, C. A., Coic, L., mbinze, J., Ziemons, E., Hubert, P., & Marini Djang'Eing'A, R. (28 January 2020). Application of vibrationnal spectroscopy and chemometrics to access the quality of Locally produced antimalarial medicines in the Democratic Republic of Congo [Poster presentation]. Conférence Chimiométrie 2020, ULiège - Université de Liège, Belgium.

Ciza Hamuli, P.* , Sacre, P.-Y.* , Waffo Tchounga, C., Coic, L., Avohou, T. H., Mbinze, J., Ngono, R., Marini Djang'Eing'A, R., Hubert, P., & Ziemons, E. (01 September 2019). Comparing the qualitative performances of handheld NIR and Raman spectrophotometers for the detection of falsified pharmaceutical products. Talanta, 202, 469-478. doi:10.1016/j.talanta.2019.04.049
Peer Reviewed verified by ORBi
* These authors have contributed equally to this work.

Ciza Hamuli, P., Sacre, P.-Y., Waffo Tchounga, C. A., Coic, L., Marini Djang'Eing'A, R., Hubert, P., & Ziemons, E. (14 June 2019). Identification of pharmaceutical products using Handheld NIR and Raman spectrophotometers [Paper presentation]. Journées Internationales de Recherche en Sciences de la Santé 2019, Lubumbashi, Congo - Brazzaville.

Ciza Hamuli, P., Sacre, P.-Y., Waffo Tchounga, C. A., Coic, L., Avohou, T. H., mbinze, J., Marini Djang'Eing'A, R., Hubert, P., & Ziemons, E. (20 May 2019). Detection of falsified pharmaceutical products using Handheld NIR and Raman spectrophotometers [Paper presentation]. BSPS 2019 Forum of Pharmaceutical Sciences - May 20th 2019 - Brussels, Bruxelles, Belgium.

Waffo Tchounga, C. A., Ciza Hamuli, P., Sacre, P.-Y., Ngono, R., Ziemons, E., Hubert, P., & Marini Djang'Eing'A, R. (20 May 2019). Field survey to evaluate the prevalence of poor quality anti-infective medicines in Cameroon [Paper presentation]. 20th forum of Pharmaceutical Sciences, Brussels, Belgium.

Ciza Hamuli, P., Waffo Tchounga, C., Coic, L., Mbinze Kindenge, J., Ngono, R., Marini Djang'Eing'A, R., Hubert, P., Sacre, P.-Y., & Ziemons, E. (September 2018). Comparing the qualitative performances of handheld NIR and Raman spectrometers for the analysis of falsified pharmaceutical products [Poster presentation]. 11th International Symposium on Drug Analysis and the 29th International Symposium on Pharmaceutical and Biomedical Analysis, Louvain, Belgium.

Mbinze Kindenge, J., Diallo, T., Yemoa, L., Habyalimana, V., Waffo Tchounga, C., Hubert, P., & Marini Djang'Eing'A, R. (April 2017). Etude comparative des profils de dissolution in vitro de quinine sulfate générique et princeps en utilisant la Chromatographie Liquide Haute Performance. Médecine d'Afrique Noire, 64, 135 - 144.
Peer reviewed

Kalenda Tshilombo, N., Ciza Hamuli, P., Mavungu Landu, D. J., Mwamba, P., Waffo Tchounga, C., Tidiane, D., Mbinze, J., Hubert, P., & Marini Djang'Eing'A, R. (March 2017). INVESTIGATION DE LA QUALITE D’ANTIBIOTIQUES A BASE D'AMOXICILLINE DANS LE CADRE DE LA SURVEILLANCE DU MARCHE OFFICIEL ET PERIPHERIQUE DE QUELQUES VILLES DE LA R.D. CONGO [Poster presentation]. 12ème Congrès Francophone sur les sciences séparatives et les couplages de AFSEP, Paris, France.

Habyalimana, V., Mbinze Kindenge, J., Yemoa, L., Waffo Tchounga, C., Diallo, T., Kalenda Tshilombo, N., Kadima Ntokamunda, J.-L., Lebrun, P., Hubert, P., & Marini Djang'Eing'A, R. (February 2017). Application of design space optimization strategy to the developmentof LC methods for simultaneous analysis of 18 antiretroviral medicinesand 4 major excipients used in various pharmaceutical formulations. Journal of Pharmaceutical and Biomedical Analysis, 139, 8-21. doi:10.1016/j.jpba.2017.02.040
Peer Reviewed verified by ORBi

Kalenda Tshilombo, N., Waffo Tchounga, C., Diallo, T., Mbinze Kindenge, J., Dibungi T. Kalenda, P., Hubert, P., & Marini Djang'Eing'A, R. (18 October 2016). QUALITY EVALUATION OF AMOXICILLIN AND COMBINATION OF AMOXICILLIN – POTASSIUM CLAVULANATE AS PART OF INVESTIGATION OF THE OFFICIAL AND PERIPHERAL DRUG MARKET IN KINSHASA, LUMBUBASHI AND KOLWEZI - DRC [Paper presentation]. 19th Forum of Pharmaceutical Sciences, Bruxelles, Belgium.

Habyalimana, V., Mbinze Kindenge, J., Yemoa, L., Waffo Tchounga, C., Diallo, T., Kalenda Tshilombo, N., Kadima Ntokamunda, J.-L., Lebrun, P., Hubert, P., & Marini Djang'Eing'A, R. (18 October 2016). APPLICATION OF DESIGN SPACE OPTIMIZATION STRATEGY TO THE DEVELOPMENT OF LC METHODS FOR SIMULTANEOUS ANALYSIS OF 18 ANTIRETROVIRAL MEDICINES AND 4 MAJOR EXCIPIENTS USED IN VARIOUS PHARMACEUTICAL FORMULATIONS [Paper presentation]. 19th Forum of Pharmaceutical Sciences / BELGIAN SOCIETY OF PHARMACEUTICAL SCIENCES, Brussels, Belgium.

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