Search Results - "DE BEER, Jacques O"

Comparison and combination of spectroscopic techniques for the detection of counterfeit medicines by Sacré, Pierre-Yves, Deconinck, Eric, De Beer, Thomas, Courselle, Patricia, Vancauwenberghe, Roy, Chiap, Patrice, Crommen, Jacques, De Beer, Jacques O.

“…During this study, Fourier transform infrared spectroscopy (FT-IR), near infrared spectroscopy (NIR) and Raman spectroscopy were applied to 55 samples of…”
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Detection of counterfeit Viagra ® by Raman microspectroscopy imaging and multivariate analysis by Sacré, Pierre-Yves, Deconinck, Eric, Saerens, Lien, De Beer, Thomas, Courselle, Patricia, Vancauwenberghe, Roy, Chiap, Patrice, Crommen, Jacques, De Beer, Jacques O.

“…During the past years, pharmaceutical counterfeiting was mainly a problem of developing countries with weak enforcement and inspection programs. However,…”
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Analysis of illegal peptide biopharmaceuticals frequently encountered by controlling agencies by Vanhee, Celine, Janvier, Steven, Desmedt, Bart, Moens, Goedele, Deconinck, Eric, De Beer, Jacques O., Courselle, Patricia

“…Recent advances in genomics, recombinant expression technologies and peptide synthesis have led to an increased development of protein and peptide…”
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Testing of complementarity of PDA and MS detectors using chromatographic fingerprinting of genuine and counterfeit samples containing sildenafil citrate by Custers, Deborah, Krakowska, Barbara, De Beer, Jacques O, Courselle, Patricia, Daszykowski, Michal, Apers, Sandra, Deconinck, Eric

“…Counterfeit medicines are a global threat to public health. High amounts enter the European market, which is why characterization of these products is a very…”
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Development and validation of a ultra-high-performance liquid chromatography-UV method for the detection and quantification of erectile dysfunction drugs and some of their analogues found in counterfeit medicines by Sacré, Pierre-Yves, Deconinck, Eric, Chiap, Patrice, Crommen, Jacques, Mansion, François, Rozet, Eric, Courselle, Patricia, De Beer, Jacques O.

“…Pharmaceutical counterfeiting is a permanently growing problem. Control laboratories are constantly analysing counterfeit medicines. In industrialised…”
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Chromatography in the Detection and Characterization of Illegal Pharmaceutical Preparations by Deconinck, Eric, Sacré, Pierre-Yves, Courselle, Patricia, De Beer, Jacques O.

“…Counterfeit and illegal pharmaceutical products are an increasing worldwide problem and constitute a major challenge for analytical laboratories to detect and…”
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Identification and characterization of peptide drugs in unknown pharmaceutical preparations seized by the Belgian authorities: case report on AOD9604 by Vanhee, Celine, Moens, Goedele, Deconinck, Eric, De Beer, Jacques O.

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In vitro Dermal Absorption: Sample Application and Seal Quality in a Franz Diffusion Cell System by Desmedt, Bart, Courselle, Patricia, De Beer, Jacques O, Rogiers, Vera, Deconinck, Eric, De Paepe, Kristien

“…One of the known drawbacks of in vitro dermal absorption methods is their high interlaboratory variation. Although often attributed to biological skin…”
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In vitro Dermal Absorption of Hydroquinone: Protocol Validation and Applicability on Illegal Skin-Whitening Cosmetics by Desmedt, Bart, Ates, Gamze, Courselle, Patricia, De Beer, Jacques O, Rogiers, Vera, Hendrickx, Benoit, Deconinck, Eric, De Paepe, Kristien

“…In Europe, hydroquinone is a forbidden cosmetic ingredient. It is, however, still abundantly used because of its effective skin-whitening properties. The…”
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Physical profiling and IR spectroscopy: simple and effective methods to discriminate between genuine and counterfeit samples of Viagra® and Cialis by Custers, Deborah, Vandemoortele, Suzanne, Bothy, Jean-Luc, De Beer, Jacques O., Courselle, Patricia, Apers, Sandra, Deconinck, Eric

“…Counterfeit medicines are a global threat to public health. High amounts enter the European market, enforcing the need for simple techniques to help customs…”
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Identification of the small research tetra peptide Epitalon, assumed to be a potential treatment for cancer, old age and Retinitis Pigmentosa in two illegal pharmaceutical preparations by Vanhee, Celine, Moens, Goedele, Van Hoeck, Els, Deconinck, Eric, De Beer, Jacques O.

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The quality coefficient as performance assessment parameter of straight line calibration curves in relationship with the number of calibration points by De Beer, Jacques O., Naert, Caroline, Deconinck, Eric

“…Knowledge of the response function ( y  =  f ( x )) is essential in the validation of quantitative analysis methods as it describes the mathematical…”
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Impurity fingerprints for the identification of counterfeit medicines—A feasibility study by Sacré, Pierre-Yves, Deconinck, Eric, Daszykowski, Michal, Courselle, Patricia, Vancauwenberghe, Roy, Chiap, Patrice, Crommen, Jacques, De Beer, Jacques O.

“…[Display omitted] ► Impurity profiles treated like fingerprints. ► 73 illegal and 10 genuine Viagra ®, 44 illegal and 5 genuine Cialis ®. ► Detection of…”
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Assessment of quality performance parameters for straight line calibration curves related to the spread of the abscissa values around their mean by De Beer, Jacques O., De Beer, Thomas R., Goeyens, Leo

“…In validation of quantitative analysis methods, knowledge of the response function is essential as it describes, within the range of application, the existing…”
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Cystathionine pathway-dependent cytotoxicities of diethyl maleate and diamide in rat and human hepatoma-derived cell cultures by DIERICKX, Paul J, DE BEER, Jacques O, SCHEERS, Ellen M

“…Glutathione (GSH) plays a role in many toxicologically important metabolic processes. It was previously established that L-buthionine S,R-sulphoximine (BSO), a…”
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A validated GC–MS method for the determination and quantification of residual solvents in counterfeit tablets and capsules by Deconinck, E., Canfyn, M., Sacré, P.-Y., Baudewyns, S., Courselle, P., De Beer, J.O.

“…► A fast headspace-GC–MS method was developed for residual solvent analysis. ► The quantitative analysis was validated for 10 solvents applying the total error…”
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Window evolving factor analysis for assessment of peak homogeneity in liquid chromatography by Keller, Hans R, Massart, Desire L, De Beer, Jacques O

“…A chromatographic system was developed that permits the evaluation of the performance of methods for peak purity control in liquid chromatography with…”
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Half-fraction and full factorial designs versus central composite design for retention modelling in reversed-phase ion-pair liquid chromatography by De Beer, Jacques O., Vandenbroucke, Catherine V., Massart, DésiréL., De Spiegeleer, Bart M.

“…In a previous paper (J. O. De Beer, C. V. Vandenbroucke and D. L. Massart, J. Pharm. Biomed. Anal., 12, (1994) 1379–1396) liquid chromatographic (LC) retention…”
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Experimental design for the rapid selection of separation conditions for methyl and propyl parahydroxybenzoate, phenylephrine hydrochloride and chlorphenamine maleate by ion-pair liquid chromatography by De Beer, J O, Vandenbroucke, C V, Massart, D L

“…Methyl and propyl parahydroxybenzoate (MPHB, PPHB), phenylephrine hydrochloride (PE) and chlorphenamine maleate (CPM) are often combined as ingredients in…”
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Experimental design on liquid chromatographic parameters in the analysis of tetracycline on poly(styrene-divinylbenzene) by De Beer, J O, Hoogmartens, J

“…A previously described isocratic liquid chromatographic (LC) method for the analysis of tetracycline on poly(styrene-divinylbenzene) allows the complete…”
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