1. Two Minute Separation of the cis- and trans-Isomers of Vitamin K₁ without Heptane, Chlorinated Solvents, or Acetonitrile

   • Terry A. Berger
   • Blair K. Berger

   Original 17 January 2013 Pages: 109 - 115

   

2. Mechanism Based Design of Amine Fluorogenic Derivatization Reagents: Proof of Concept, Physical–Chemical Characterization and Initial Analytical Derivatization Protocols

   • L. L. McChesney-Harris
   • S. V. Kakodakar
   • J. F. Stobaugh

   Original 22 December 2012 Pages: 117 - 132

   

3. Simultaneous Determination of Clobetasol Propionate and Calcipotriol in a Novel Fixed Dose Emulgel Formulation by LC-UV

   • Ulya Badilli
   • Gülin Amasya
   • Nilüfer Tarimci

   Original 22 December 2012 Pages: 133 - 140

   

4. Application of UPLC-Quadrupole-TOF-MS Coupled with Recycling Preparative HPLC in Isolation and Preparation of Coumarin Isomers with Similar Polarity from Peucedanum praeruptorum

   • Huawei Lv
   • Jianguang Luo
   • Lingyi Kong

   Original 22 December 2012 Pages: 141 - 148

   

5. Simultaneous Determination of Neuroactive Amino Acids in Serum by CZE Coupled with Amperometric Detection

   • Shuli Ge
   • Huan Wang
   • Yuzhi Fang

   Original 25 December 2012 Pages: 149 - 155

   

6. Models for Liquid–Liquid Partition in the System Ethanolamine-Organic Solvent and Their Use for Estimating Descriptors for Organic Compounds

   • Thiloka C. Ariyasena
   • Colin F. Poole

   Original 13 January 2013 Pages: 157 - 164

   

7. Determination of Activity Coefficients at Infinite Dilution of Solutes in New Dicationic Ionic Liquids Based on Morpholine Using Gas–Liquid Chromatography

   • Kurosh Tabar Heydar
   • Mina Nazifi
   • Seyyed Hamid Ahmadi

   Original 16 January 2013 Pages: 165 - 175

   

8. An Improved Method for Determination of Polychlorinated Biphenyls and Polybrominated Diphenyl Ethers in Sediment by Ultrasonic Solvent Extraction Followed by Stir Bar Sorptive Extraction Coupled to TD–GC–MS

   • Peter Tölgyessy
   • Branislav Vrana
   • Katarína Šilhárová

   Original 20 December 2012 Pages: 177 - 185

   

9. Determination of Sumatriptan and Zolmitriptan in Presence of Their Corresponding Degradation Products by HPTLC Methods

   • Hayam M. Lotfy
   • Mamdouh R. Rezk
   • Mostafa A. Shehata

   Original 01 January 2013 Pages: 187 - 194

   

10. Application of Ionic Liquids in an Online Ultrasonic Assisted Extraction and Solid-Phase Trapping of Rhodiosin and Rhodionin from Rhodiola rosea for UPLC

    • Song Zhu
    • Chaoyang Ma
    • Guanjun Tao

    Short Communication 24 December 2012 Pages: 195 - 200

    

11. Evaluation of Temperature-Responsive Open Tubular Capillary Electrochromatographic Column Modified with Poly(N-isopropylacrylamide)

    • Zongjian Liu
    • Fangfang Geng
    • Yulin Deng

    Short Communication 04 January 2013 Pages: 201 - 206