Sample preparation was achieved by one step protein precipitation and dilution with acetontrile. Morus alba L. This study aimed to establish a fast and efficient method for separating caffeoylquinic acids from mulberry leaves by using high-speed countercurrent chromatography coupled with macroporous resin. D resin showed better adsorption and desorption capacity for three caffeoylquinic acids among six macroporous resin adsorbents The ability to detect catecholamines CAs and their metabolites is vital to understand the mechanism behind the neuronal diseases. Neurochemistry aims to provide an improved pharmacological, molecular and physiological understanding of complex brain chemistries by analytical techniques.
Capillary electrophoresis CE is one such analytical technique that enables the study of various chemical species ranging from amino acids and peptides to natural products and drugs. CE can easily adapt the changes in research focus and in recent years remains an applicable technique for investigating neuroscience and single cell neurobiology The presented study describes the development of reversed-phase liquid chromatography method using a core-shell particle column with a pentafluorophenyl stationary phase for the dissociation constant pKa determination of the tetracycline group antibiotics tetracycline, oxytetracycline, chlortetracycline and their epimers 4-epitetracycline, 4-epioxytetracycline, 4-epichlortetracycline.
The pH values were measured in the acetonitrile ACN -water binary mixtures, used as mobile phases, instead of in water and take into account the effect of the activity coefficients Quantitation of dietary dihydrochalcones in Indian crabapple Malus sikkimensis using validated high-performance liquid chromatography.
In the present study, a systematic validated method was developed for the determination of two key dietary dihydrochalcones DHC viz. Sample preparation approach is rapid and energy efficient, and it requires no pre-concentration before analysis Andrographis paniculata is an important traditional Chinese herbal material widely used for treatment of fever and diarrhea. A rapid and accurate quantitative analysis of these three diterpenoids in A. Drugs extraction method from plasma was based on protein precipitation technique.
Two simple and sensitive chromatographic methods were developed and validated for quantitative determination of ritodrine hydrochloride in presence of its oxidative degradation product. The first method depends on densitomeric determination of thin-layer chromatograms of the intact drug in presence of its oxidative degradate.
Rudaz, J. Veuthey, R. Mol, G. Somsen, G. De Jong, P. Ha, J. Zhang, A. Van Schepdael, J. Hoogmartens, W. Brione, A. Ceccato, B. Boulanger, D. Vander Heyden, W. Van Ael, I. Jimidar, M. Pedrini, A. Crommen, E. Rozet and Ph. Hubert; Interlaboratory study of a NACE method for the determination of R-timolol content in S-timolol maleate: assessment of uncertainty, Electrophoresis 27 Impact factor: 3.
Xu, P. Lancelin, M. Sarraf, D. MacKenzie, N. Walton, F. Desmurs, D. Massart, J. Vander Heyden, Chemometric treatment of vanillin fingerprint chromatograms. Effect of different signal alignments on principal component analysis plots, Journal of Chromatography A, Impact factor: 3. Vander Heyden; Chiral separation strategy in polar organic solvent chromatography and performance comparison with normal-phase liquid and supercritical fluid chromatography, Journal of Separation Science 29 Impact factor: 1.
Journal of Chromatographic Science | Oxford Academic
Daszykowski, T. Vander Heyden; Retention prediction of peptides based on uninformative variable elimination by partial least squares; Journal of Proteome Research 5 7 — Impact factor: 6. Matthijs and Y. Vander Heyden; Enantiomeric impurity determination in capillary electrophoresis using a highly-sulfated cyclodextrins-based method, Biomedical Chromatography 20 Impact factor: 1. De Smet, P. Cockaerts, J.
Ji, G. Alaerts, C. Xu, Y. Hu and Y. Vander Heyden, Sequential uniform designs for fingerprint development of Ginkgo Biloba extracts by capillary electrophoresis, Journal of Chromatography A Impact factor: 3. Desmet, D. Cabooter, P. Gzil, H. Verelst, D. Clicq; Future of high pressure liquid chromatography: do we need porosity or do we need pressure? Liang, F. Chau and Y. Vander Heyden; Pretreatments of chromatographic fingerprints for quality control of herbal medecines, Journal of Chromatography A Impact factor: 3. Caetano and Y. Vander Heyden; Modelling the quality of enantiomeric separations based on molecular descriptors; Chemometrics and Intelligent Laboratory Systems 84 Impact factor: 1.
Snykers, T. Vanhaecke, P. Papeleu, A. Luttun, Y. Jiang, Y. Verfaillie and V. Saevels and Y. Vander Heyden; Enantiomeric impurity determination of levetiracetam using capillary electrochromatography; Journal of Separation Science 29 Impactfactor: 1. Luypaert, S. Heuerding, D. Back to top  R. Marini, B. Boulanger, Y. Chiap, J. Crommen and Ph. Hubert; Uncertainty assessment from robustness testing applied on an LC assay for R-timolol and related substances in S-timolol maleate, Analytica Chimica Acta Impact Factor: 2. Tanret, N. Maftouh, D.
- Log in to Wiley Online Library.
- Visual Space Perception and Action?
- Nature, God and Humanity: Envisioning an Ethics of Nature.
- Fat Loss 10: The 10 Commandments of Fat Loss.
Vander Heyden; Separation strategy for acidic chiral pharmaceuticals with capillary electrochromatography on polysaccharide stationary phases, Electrophoresis 26 Impact Factor: 4. Mangelings, N. Matthijs and C. Ahuja and M. Dong Eds. Ji, Q. Vander Heyden; Development, optimization and validation of a chromatographic fingerprint of Ginkgo biloba extracts, Journal of Chromatography A Impact Factor: 2.
Questier, R. Put, D. Coomans, B. Walczak and Y. Hancock, R. Coomans, Y. Vander Heyden, Y. Everingham, A performance comparison of modern statistical techniques for molecular descriptor selection and retention prediction in chromatographic QSRR studies, Chemometrics and Intelligent Laboratory Systems 76 Impact Factor: 2. Li, H. Chen, Z-T. Wang and Z-B. Baczek, P. Wiczling, M. Marszall, Y. Verhoeven, D. Vander Heyden; Orthogonality and similarity within silica-based reversed-phase chromatographic systems, Journal of Chromatography A Impact Factor: 2.
Forlay-Frick, E. Van Gyseghem, K. Heberger and Y. Vander Heyden, Selection of orthogonal chromatographic systems based on parametric and non-parametric statistical tests, Analytica Chimica Acta Impact Factor: 2. Mangelings, M. Vander Heyden; Capillary electrochromatographic chiral separations with potential for pharmaceutical analysis, Journal of Separation Science 28 Impact Factor: 2.
- 1st Edition.
- The Pirate Hunters.
- Equine Emergencies. Treatment and Procedures?
Hajimahmoodi, Y. Vander Heyden, N. Sadeghi, B. Jannat, M. Oveisi and S. Shahbazian, Gas-chromatographic fatty-acid fingerprints and partial least squares modeling as a basis for the simultaneous determination of edible oil mixtures, Talanta, 66 Impact Factor: 2. Vander Heyden, The variance of screening and supersaturated design results as a measure for method robustness, Analytica Chimica Acta Impact Factor: 2. Caetano, J. Aires-de-Sousa, M. Elek, D. Vander Heyden, Enantioselective capillary electrophoretic separation of tryptophane- and tyrosine-methylesters in a dual system with a tetra-oxadiaza-crown ether derivative and a cyclodextrin, Journal of Pharmaceutical and Biomedical Analysis 38 Impact Factor: 1.
Elaut, T. Vanhaecke, Y. Vander Heyden and Vera Rogiers; Spontaneous apoptosis, necrosis, energy status, glutathione levels and biotransformation capacities of isolated rat hepatocytes in suspension: effect of the incubation medium; Biochemical Pharmacology 69 Impact Factor: 3. Marini, N.
Research Page of Yvan Vander Heyden
Smeyers-Verbeke, P. Hoogmartens, P. Silvestre, A. Ceccato, Ph. Goedert, J. Saevels, C. Herbots, G. Caliaro, R. Van de Wauw, J. De Beer, B. Boulanger, P. Hubert; Collaborative study of a liquid chromatographic method for the determination of R-timolol and other related substances in S-timolol maleate, Analytica Chimica Acta Impact Factor: 2. Vijverman, D. Vander Heyden, Development of a Ginkgo Biloba fingerprint chromatogram with UV- and evaporative light scattering detection and optimization of the evaporative light scattering detector operating conditions, Journal of Chromatography A — Impact Factor: 3.
Maftouh, C. Granier-Loyaux, E. Chavana, J. Marini, A. Pradines, Y. Vander Heyden and C. Picard; Screening approach for chiral separation of pharmaceuticals. Supercritical fluid chromatography for analysis and purification in drug discovery; Journal of Chromatography A Impact Factor: 3. Hancock, D. Coomans, D. Caetano, T. De Caesstecker, R. Daszykowski, J. Van Bocxlaer and Y. Plaizier-Vercammen, Inclusion complexation of lorazepam with different cyclodextrins suitable for parenteral use, Drug Development and Industrial Pharmacy, 31 Impact Factor: 0.
Deconinck, Q. Xu, R. Daszykowski, E. Van Gyseghem, F.
Lees, J. Smeyers-Verbeke, D. Vander Heyden, Chemometrical exploration of an isotopic ratio data set of acetylsalicylic acid, Analytica Chimica Acta 1—12 Impact Factor: 2. Discry, M. Vander Heyden; Strategy for the chiral separation of non-acidic pharmaceuticals using capillary electrochromatography, Electrophoresis 26 Impact Factor: 3.
Massart; Automated program for deconvolution of multi-overlapped chromatographic signals. Massart; Automated program for peak detection and deconvolution of multi-overlapped chromatographic signals. Daszykowski, D. Vander Heyden; Prediction of total green tea antioxidant capacity from chromatograms by multivariate modeling, Journal of Chromatography A Impact Factor: 3.
Van Gyseghem, D. Van Gyseghem, A. Sneyers and Y. Vander Heyden; Chemometric selection of a small set of pharmaceutical active substances used in determining the orthogonality and similarity of chromatographic systems; Analytica Chimica Acta Impact Factor: 2. Back to top  E. Hund, Y. Haustein, D. Massart and J. Smeyers-Verbeke, Comparison of several criteria to decide on the significance of effects in a robustness test with an asymmetrical factorial design, Analytica Chimica Acta, , Impact Factor: 1.
Vankeerberghen, M. Novic, J. Zupan and D. Massart; The application of Kohonen neural networks to diagnose calibration problems in atomic absorption spectrometry; Talanta 51 Smeyers-Verbeke, Robustness testing of a reversed-phase high-performance liquid chromatographic assay: comparison of fractional and asymmetrical factorial designs, J. Impact Factor: 2.
Perrin, M. Vargas, Y. Maftouh and D. Massart; Fast development of separation methods for the chiral analysis of amino acid derivatives using capillary electrophoresis and experimental designs, J. A, Toasaksiri, D. Vander Heyden; Study of method validation criteria in a capillary electrophoresis method for the separation of non-steroidal anti-inflammatory drugs, Analytica Chimica Acta Vander Heyden, S. Kuttatharmmakul, J. Smeyers-Verbeke and D. Massart; Supersaturated designs for robustness testing; Analytical Chemistry 72, 13 Impact Factor: 4.
Vannecke, A. Nguyen Minh Nguyet, M. Bloomfield, A. Staple, Y. Massart, Development and optimisation of a flow injection assay for fluticasone propionate using an asymmetrical design and the variable-size simplex algorithm, Journal of Pharmaceutical and Biomedical Analysis, 23 Perrin and D.
Valko Ed. Detroyer, V. Schoonjans, F. Questier, Y. Borosy, Q. Guo and D. Massart; Exploratory chemometric analysis of the classification of pharmaceutical substances based on chromatographic data, J. A, Impact Factor: 2. Questier, Q. Guo, Y. De Vriendt, D. Van Sassenbrouck, M. Rosseel, E.
Van De Velde, A. Verstraete, Y. Vander Heyden, F. Belpaire, Development and validation of a high-performance liquid chromatographic method for the determination of gamma-hydroxybutyric acid in rat plasma, Journal of Chromatography Biomed Applications, Adams, R. De Maesschalck, B.
De Spiegeleer, Y. Massart, Evaluation of dissolution profiles using principal component analysis, Int. Lauwers, Y. Nijhuis, J. Smeyers-Verbeke, B. Vandeginste and D. Cirunay, Y. Plaizier-Vercammen; LC separation of calcipotriol from its photodegradation products and protection possibilities using adjuvants; Journal of Pharmaceutical and Biomedical Analysis, 26 Estienne, Y.
Smet, L. Staelens, Y. Aboul-Enein, G. Van der Weken, A. Perrin, Y. Massart; Rapid screening for chiral separations by short-end injection CE using highly sulfated cyclodextrins as chiral selectors, Electrophoresis 22 Impact Factor: 3. Chimanuka, G. Timperman, Y. Holenz, J. Plaizier-Vercammen, G. Bringmann; A comparison of the stage-specific efficacy of chloroquine, artemether and dioncophylline B, against the rodent malaria parasite Plasmodium chaboudi chaboudi in vivo, Parasitology Research 87 Vannecke, E. Van Gijseghem, M.
Bloomfield, T. Coomber, Y. Massart; Development of a generic FIA-method for compounds with a secondary amine or amide function, using an experimental design approach — I. Detroyer, Y. Carda-Broch, M. Massart; Quantitative structure-retention and retention-activity relationships of? Matthijs, C. Vander Heyden, Knowledge-based system for method development of chiral separations with capillary electrophoresis using highly-sulfated cyclodextrins; Journal of Pharmaceutical and Biomedical Analysis, 27 Perrin, V.
Vu, N. Vander Heyden, Screening approach for chiral separation of pharmaceuticals. Part I. Normal phase liquid chromatography, Journal of Chromatography A, Visky, P. Baten, J. De Beer, I. Lazar, D. Massart, E. Roets and J. Hoogmartens; A minimal number of chromatographic test parameters for the characterisation of reversed phase liquid chromatographic stationary phases, Journal of Chromatography A, Visky, Y.
Vander Heyden, T. Baeten, J. Noszal, E.
- Designing Video and Multimedia for Open and Flexible Learning (Open and Flexible Learning Series).
- Journal of Chromatographic Science.
- Africa and France: Postcolonial Cultures, Migration, and Racism (African Expressive Cultures)?
- ISBN 13: 9780824740146;
Roets, D. Hoogmartens; Characterisation of reversed phase liquid chromatographic columns by chromatographic tests. Preliminary experiments and development of the protocol, Pharmeuropa, Vannecke, M. Bloomfield, Y. Massart; Development of a generic FIA-method for compounds with a secondary amine or amide function, using an experimental design approach.
Pravdova, F. Questier, L. Tallieu, A. Scott and D. Massart, Parallel co-ordinate geometry and principal component analysis for the interpretation of large multi-response experimental designs, Analytica Chimica Acta Popovici and P. Schoenmakers; Evaluation of size exclusion chromatography and size exclusion electrochromatography calibration curves; Journal of Chromatography A, Impact Factor: 2.
Detaevernier, D. Perrin, N. Matthijs, D. Mangelings, C. Granier-Loyaux, M. Part II. Reversed phase liquid chromatography, Journal of Chromatography A, Impact Factor: 2. Spapen, D. Nguyen, K. Huyghens, N-acetylcysteine and cardiac disfunction in human septic shock, Clinical Intensive Care Journal, 13, 1 Smeyers-Verbeke, Derivation of system suitability test limits from a robustness test on an LC assay with complex antibiotic samples, Journal of Pharmaceutical and Biomedical Analysis, 30 Impact Factor: 1. Hillaert, Y. Vander Heyden and W. Van den Bossche; Optimisation by experimental design of a capillary electrophoretic method for the separation of several inhibitors of the angiotensin-converting enzyme using alkylsulphonates; Journal of Chromatography A, Impact Factor: 2.
De Beer, Z. Evaluation of 36 test parameters: repeatability, reproducibility and correlation; Journal of Chromatography A, Impact Factor: 2. Popovici, B. Staal, and P. Vander Heyden, I. Massart, Chemometric comparison of recent chromatographic and electrophoretic methods in a Quantitative Structure-Retention and Retention-Activity Relationship context, Journal of Chromatography A, Impact Factor: 2.
Van Gyseghem, S. Van Hemelryck, M. Vander Heyden, Determining orthogonal chromatographic systems prior to the development of methods to characterise impurities in drugs, Journal of Chromatography A, Impact Factor: 2. Put, C. Perrin, F. Questier, D. Dehouck, Y. Crommen, P. Hubert, R. Marini, O. Smeets, G.
Decristoforo, W. Quaglia, C. Stella, J. Veuthey, O. Estevenon, A. Van Schepdael, E. Hoogmartens, Determination of uncertainty in analytical measurements from collaborative study results on the analysis of a phenoxymethylpenicillin sample, Analytica Chimica Acta Impact Factor: 2. Nguyen Minh Nguyet, L. Tallieu, J. Plaizier-Vercammen, D. Van Nederkassel, A. Aerts, A. Dierick, D. Vander Heyden, Fast separations on monolithic silica columns: method transfer, robustness and column ageing for some case studies, Journal of Pharmaceutical and Biomedical Analysis 32 — Impact Factor: 1.
Dehouck, E. Van Looy, E. Haghedooren, K. Deckers, Y. Adams, E. Hoogmartens; Analysis of erythromycin and benzoylperoxide in topical gels by liquid chromatography, Journal of Chromatography B Impact Factor: 1. Perrin, H. Fabre, M. Vander Heyden, Robustness testing of chiral separations by capillary electrophoresis using highly-sulfated cyclodextrins, Journal of Chromatography A Impact Factor: 3. Fabre, D. Vander Heyden, Influence of peak measurement parameters on the quality of chiral electrophoretic separations, Electrophoresis 24 Impact Factor: 4.
Hardies, M. Suteu, D. Vander Heyden; Enantioseparations of basic and bifunctional pharmaceuticals in capillary electrochromatography using polysaccharide stationary phases, Electrophoresis 24 Impact Factor: 4. Massart, R. Marini, P. Crommen, W. De Beer, R. Cox, G. Mathieu, C. Advanced Search.
Latest Issue. Volume 57 Issue 8 September Impact Factor. About the journal The Journal of Chromatographic Science JCS is an international scientific journal presenting the latest information concerning the practice and theory of chromatography … Find out more. Virtual Collection: Ultra High Performance Liquid Chromatography This virtual collection on ultra high performance liquid chromatography is a constantly growing resource for researchers in the field. Screening and identification of potential tyrosinase inhibitors from Semen Oroxyli extract by ultrafiltration LC-MS and in silico molecular docking.
Most read Proteomics: Technologies and Their Applications.