1. Editorial

   • Bernd Spangenberg

   Editorial Open access 07 January 2021 Pages: 531 - 532

2. Detection reagents used for on-plate identification of organic pesticides in biological samples with preliminary separation by TLC/HPTLC

   • Qasim Ullah
   • Nahid Fatema
   • Ali Mohammad

   Review 10 November 2020 Pages: 533 - 546

   

3. HPTLC-based chromatographic studies in selected Justicia species for quality assessment

   • S. Sini
   • Satheesh George

   Original Research Paper 04 January 2021 Pages: 547 - 565

   

4. Morphological, cytological and phytochemical studies in naturally occurring diploid and tetraploid populations of Physochlaina praealta from high altitudes of Trans-Himalaya

   • Younas Rasheed Tantray
   • Mohammad Saleem Wani
   • Talaat H. Habeeb

   Original Research Paper 02 February 2021 Pages: 567 - 577

   

5. Qualitative and quantitative analyses of aloe-emodin, rhein, and emodin in qi yin granules by high-performance thin-layer chromatography

   • Na Xi
   • Hongbing Liu
   • Xuehua Yan

   Original Research Paper 12 January 2021 Pages: 579 - 585

   

6. A validated, rapid and cost-efficient HPTLC method for the quantification of plumbagin and its antioxidant activity from the different extracts of Plumbago zeylanica L.

   • Zeba Usmani
   • Mohd Mujeeb
   • Zakiya Usmani

   Original Research Paper 04 January 2021 Pages: 587 - 597

   

7. Simultaneous quantification of vasicine and vasicinone in different parts of Justicia adhatoda using high-performance thin-layer chromatography‒densitometry: comparison of different extraction techniques and solvent systems

   • Bhuban Mohan Padhiari
   • Asit Ray
   • Sanghamitra Nayak

   Original Research Paper 04 January 2021 Pages: 599 - 607

   

8. Densitometric high-performance thin-layer chromatography methods for the quantification of oleuropein in Olea europaea leaves and pharmaceutical preparation utilizing normal- and reversed-phase silica gel plates

   • Prawez Alam
   • Mazen T. Alanazi
   • Maged S. Abdel-Kader

   Original Research Paper 04 January 2021 Pages: 609 - 616

   

9. Standardization and validation of a high-performance thin-layer chromatography method for the quantification of aflatoxin B1 and its application in surveillance of contamination level in marketed food commodities from the Mumbai region

   • Santosh Pradhan
   • Laxmi Ananthanarayan

   Original Research Paper 22 January 2021 Pages: 617 - 630

   

10. Simultaneous estimation of azilsartan medoxomil and chlorthalidone by chromatography method using design of experiment and quality risk management based quality by design approach

    • Pintu Prajapati
    • Shruti Patel
    • Ashish Mishra

    Original Research Paper 07 January 2021 Pages: 631 - 646

    

11. Development and validation of thin-layer chromatography and high-performance thin-layer chromatography methods for the simultaneous determination of linagliptin and empagliflozin in their co-formulated dosage form

    • Mohamed Rizk
    • Ali K. Attia
    • Mona S. Elshahed

    Original Research Paper 04 February 2021 Pages: 647 - 661

    

12. Development of a thin-layer chromatographic method for the enantioresolution of sotalol using levofloxacin as chiral selector

    • Vinod Kumar Vashistha
    • Anuj Kumar

    Original Research Paper 07 January 2021 Pages: 663 - 667

    

13. Fate of tris(2-chloroethyl)amine in water and alkaline environment determined by thin-layer chromatography and gas chromatography–mass spectrometry

    • Tomas Rozsypal

    Original Research Paper 04 January 2021 Pages: 669 - 677