1. Editorial

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   Editorial Pages: S1 - S2

2. Stationary-Phase Optimized Selectivity LC (SOS-LC): Separation Examples and Practical Aspects

   • Sz. Nyiredy
   • Z. Szűcs
   • L. Szepesy

   OriginalPaper 09 June 2006 Pages: S3 - S9

3. A Combined Approach Employing Soxhlet Extraction and Linear Gradient Elution Reversed-Phase HPLC for the Fingerprinting of Soil Organic Matter According to Hydrophobicity

   • D. Corradini
   • S. Grego
   • M. Tonci

   OriginalPaper 28 April 2006 Pages: S11 - S16

4. Analysis of Non-volatile Constituents in Dracocephalum Species by HPLC and GC-MS

   • A. Kakasy
   • Zs. Füzfai
   • É. Lemberkovics

   OriginalPaper 15 March 2006 Pages: S17 - S22

5. LC Enantioseparation of Tryptophan Analogs on α-Cyclodextrin Stationary Phase

   • I. Ilisz
   • J. Sápi
   • A. Péter

   OriginalPaper 23 January 2006 Pages: S23 - S27

6. LC Enantioseparation of Aryl-Substituted β-Lactams Using Variable-Temperature Conditions

   • R. Berkecz
   • I. Ilisz
   • A. Péter

   OriginalPaper 23 January 2006 Pages: S29 - S35

7. LC Enantioseparation of β-Lactam and β-Amino Acid Stereoisomers and a Comparison of Macrocyclic Glycopeptide- and β-Cyclodextrin-Based Columns

   • R. Berkecz
   • R. Török
   • A. Péter

   OriginalPaper 28 January 2006 Pages: S37 - S43

8. Nonlinear Retention Relationships in Reversed-Phase Chromatography

   • U. D. Neue

   OriginalPaper 08 March 2006 Pages: S45 - S53

9. The Choice of Internal Standards for Measuring Volatile Pollutants in Water

   • E. Jávorszky
   • G. Erdoedy
   • K. Torkos

   OriginalPaper 26 April 2006 Pages: S55 - S60

10. Evaluation of New Stationary Phases for the Separation of Fatty Acid Methyl Esters

    • J. Harynuk
    • P. M. Wynne
    • P. J. Marriott

    OriginalPaper 08 March 2006 Pages: S61 - S66

11. GC and GC-MS Studies on the Essential Oil and Thiophenes from Tagetes patula L.

    • Sz. Szarka
    • É. Héthelyi
    • É. Szőke

    OriginalPaper 08 March 2006 Pages: S67 - S73

12. Immobilized Stationary Phases for Hydrophobic Interaction Chromatography of Proteins

    • A. Danilevicius
    • B. Niemeyer
    • J. Liesiene

    OriginalPaper 08 March 2006 Pages: S75 - S80

13. Alkaloid Composition of Chelidonium majus L. Studied by Different Chromatographic Techniques

    • Á. Sárközi
    • G. Janicsák
    • Á. Kéry

    OriginalPaper 08 March 2006 Pages: S81 - S86

14. Determination of Retention Factors of s-Triazines Homologous Series in Water Using a Numerical Method Basing on Ościk's Equation

    • M. Janicka
    • L. Kwietniewski
    • N. U. Perišić-Janjić

    OriginalPaper 07 June 2006 Pages: S87 - S93

15. Monitoring of Simvastatin Impurities by HPLC with Microemulsion Eluents

    • A. Malenović
    • M. Medenica
    • B. Jančić

    OriginalPaper 26 April 2006 Pages: S95 - S100

16. Analysis of the Racemization of Tryptophan

    • J. Csapó
    • É. Varga-Visi
    • Cs. Albert

    OriginalPaper 16 May 2006 Pages: S101 - S104

17. SPE-LC-MS-MS Determination of Phenoxy Acid Herbicides in Surface and Ground Water

    • E. Solymosné Majzik
    • F. Tóth
    • Zs. Kiss

    OriginalPaper 19 May 2006 Pages: S105 - S109

18. HPLC Analysis of Alizarin and Purpurin Produced by Rubia tinctorum L. Hairy Root Cultures

    • P. Bányai
    • I. N. Kuzovkina
    • É. Szőke

    OriginalPaper 16 May 2006 Pages: S111 - S114

19. Determination of Glycoalcaloids in Hungarian Potatoes by HPLC

    • R. Tömösközi-Farkas
    • H. G. Daood
    • Gy. Hajós

    OriginalPaper 26 April 2006 Pages: S115 - S118

20. Identification of Epilobium Species and Willow-herbs (Onagraceae) by HPLC Analysis of Flavonoids as Chemotaxonomic Markers

    • B. Hevesi Tóth
    • A. Balázs
    • Á. Kéry

    OriginalPaper 15 March 2006 Pages: S119 - S123

21. Impact of Flavonoid Composition of Medicinal Plants: Difficulties in Selecting an LC Method

    • V. Vukics
    • B. Hevesi T
    • Á. Kéry

    OriginalPaper 08 March 2006 Pages: S125 - S129

22. Improved RP-HPLC Method for Analysis of Isoquinoline Alkaloids in Extracts of Chelidonium majus

    • L. Kursinszki
    • Á. Sárközi
    • É. Szöke

    OriginalPaper 19 May 2006 Pages: S131 - S135

23. High-Performance Liquid Chromatographic Study of Topiramate and Its Impurities

    • A. Biró
    • É. Pergel
    • F. Lukács

    OriginalPaper 07 June 2006 Pages: S137 - S141

24. Proteomics as an Emergent Tool for Identification of Stress-Induced Proteins in Control and Genetically Modified Wheat Lines

    • E. Horváth-Szanics
    • Z. Szabó
    • Gy. Hajós

    OriginalPaper 23 January 2006 Pages: S143 - S147