1. A Method for Simultaneous Determination of 14 Carbonyl-Steroid Hormones in Human Serum by Ultra High Performance Liquid Chromatography–Tandem Mass Spectrometry

   • Ya-Li Bai
   • Zhi-Dan Hong
   • Yu-Qi Feng

   Original Paper 27 March 2020 Pages: 1 - 12

   

2. Development of Non-enzymatic Cholesterol Electrochemical Sensor Based on Polyindole/Tungsten Carbide Nanocomposite

   • Shubham Sharma
   • Preeti Joshi
   • Tanveer Irshad Siddiqi

   Original Paper 17 February 2020 Pages: 13 - 22

   

3. Effects of Coated Capillary Column, Derivatization, and Temperature Programming on the Identification of Carica papaya Seed Extract Composition Using GC/MS Analysis

   • Muhamad Shirwan Abdullah Sani
   • Jamilah Bakar
   • Faridah Abas

   Original Paper 05 March 2020 Pages: 23 - 34

   

4. Application of Generalized Standard Addition Method and Ultraviolet Spectroscopy to Quantify Electrolytic Depolymerization of Lignin

   • Zewei Chen
   • Mahtab NaderiNasrabadi
   • Peter B. Harrington

   Original Paper 22 March 2020 Pages: 35 - 44

   

5. Simultaneous Determination of Amoxicillin, Lansoprazole, and Levofloxacin in Pharmaceuticals by HPLC with UV–Vis Detector

   • Mustafa Gülfen
   • Yazgı Canbaz
   • Abdil Özdemir

   Original Paper 21 March 2020 Pages: 45 - 53