Separation of Metalloporphyrins by TLC

JPC – Journal of Planar Chromatography – Modern TLC - Complexes of hydroxy- and alkyloxytetraphenylporphyrins with Cu (II), Zn (II), and Ni (II) have been prepared and their...     

Study of the Absorption Characteristics of a Zeolite Support in Normal and Reversed-Phase Thin-Layer Chromatography

JPC – Journal of Planar Chromatography – Modern TLC - The retention behavior of 36 synthetic dyes has been studied in adsorption and reversed-phase TLC on zeolite layers with n-hexane,...     

Adsorption of Zinc(II) and Cadmium(II) on Soil Layers in TLC in the Presence of Surfactant-Containing Mobile Phases

JPC – Journal of Planar Chromatography – Modern TLC - Adsorption of Zn(II) and Cd(II) ions on soil TLC plates was studied using aqueous solutions of surfactants as mobile phases. The...     

Development of Nontraditional Planar-Chromatographic Methods

JPC – Journal of Planar Chromatography – Modern TLC - Development and systematization of nontraditional TLC methods, in which the chromatographic process occurs in a closed adsorption...     

Correlation of Retention Data of Pesticides in Normal- and Reversed-Phase Systems and Utilization of the Data for Separation of a Mixture of Ten Urea Herbicides by Two-Dimensional Thin-Layer Chromatography on Cyanopropyl-Bonded Polar Stationary Phase and on a Two-Adsorbent-Layer Multi-K SC5 Plate

JPC – Journal of Planar Chromatography – Modern TLC - The selectivities of TLC systems have been compared by use of correlations between RF(II) and RF(I) values (by analogy with...     

Three-Dimensional Thin-Layer Chromatography on Plates with Open and Closed Adsorption Layers

JPC – Journal of Planar Chromatography – Modern TLC - Two variants of three-dimensional thin-layer chromatography were realized using plates with open and sealed (closed) adsorption...     

Comparison of Adsorption in Liquid-Solid Chromatography on the Basis of Different Models of Retention

JPC – Journal of Planar Chromatography – Modern TLC - Two models of retention in liquid adsorption chromatography have been evaluated. Terms related to adsorption from two equations...     

Application of High-Performance Thin-Layer Chromatography for Screening and Simultaneous Determination of Some Angiotensin II Receptor Antagonists in Dosage Forms and Plasma

JPC – Journal of Planar Chromatography – Modern TLC - A high-performance thin-layer chromatographic (HPTLC) method was performed for simultaneous quantification of four angiotensin II...     

3-Cyanopropylsiloxane-Bonded Silica Gel: Characteristics and Applications in Thin-Layer Chromatography

JPC – Journal of Planar Chromatography – Modern TLC - An overview of the adsorption characteristics of 3-cyanopropylsiloxane-bonded silica gel as a specific, moderately polar sorbent...     

Influence of the Regression Technique on the Extrapolated Retention Values of Single-Point Adsorption Compounds on Silica Gel

JPC – Journal of Planar Chromatography – Modern TLC - The retention (RM) values of nine one-point adsorption model compounds: diphenylamine, indol, 2-naphtol, 1-naphtol, 1-naphtylamine,...     

Simultaneous Quantification of Picrosides I and II from Picrorhiza kurroa,Picrolax Capsules,and Picrolax Suspension: High-Performance Thin-Layer Chromatographic-Densitometric Method Developed with Kutkin

JPC – Journal of Planar Chromatography – Modern TLC - Kutkin, a mixture of two iridoid glycosides, viz., picrosides I and II, is a major active constituent of Picrorhiza kurroa (family:...     

Solvation Effects in Liquid Adsorption Chromatography with Mixed Mobile Phases

JPC – Journal of Planar Chromatography – Modern TLC - Molecular interactions have been evaluated in liquid adsorption chromatography with mixed mobile phases. Two equations based on...     

Solvent Selectivity in Normal-Phase TLC

JPC – Journal of Planar Chromatography – Modern TLC - The role of the mobile phase in controlling selectivity for adsorption chromatography–with either thin-layer plates or...     

Revisiting Molecular Weight Distribution of Polystyrenes Using Adsorption High-Performance Thin-Layer Chromatography

JPC – Journal of Planar Chromatography – Modern TLC - A repeatable separation of polystyrenes according to MW, from 1920 to 520000 u.m.a, has been obtained under adsorption conditions...     

Use of Two-Dimensional TLC to Identify Phenolic Acids in the Foliage and Fruit of Peucedanum tauricum Bieb.

JPC – Journal of Planar Chromatography – Modern TLC - Two-dimensional planar chromatography (2D TLC) on cellulose layers, solid phase extraction (SPE), and reversed-phase...     

Enantioresolution of Some β-Blockers and a β2-Agonist Using Ligand Exchange TLC

JPC – Journal of Planar Chromatography – Modern TLC - Cu(II) complexes of l-threonine, l-serine, and l-tartaric acid were prepared and used as ligand exchange reagents for enantiomeric...     

Application of Validated TLC—Densitometric Method for Simultaneous Identification and Determination of Losartan Potassium,Telmisartan, and Valsartan in Tablets

JPC – Journal of Planar Chromatography – Modern TLC - The antihypertensive effect of sartans is a result of inhibition of the binding of angiotensin (AT) II to the AT1 receptor in...     

Study of Lipophilicity and Application of Selected Structural Descriptors in QSAR Analysis of Nicotinic Acid Derivatives. Investigations on RP18WF254 Plates. Part II

JPC – Journal of Planar Chromatography – Modern TLC - Nicotinic acid (NAC) and its derivatives methyl nicotinate (MN), ethyl nicotinate (EN), isopropyl nicotinate (IPN), butyl...     

High-performance thin-layer chromatographic quantification of four active compounds in total flavonoids of Ziziphora clinopodioides Lam. and TLC‒DPPH test for screening antioxidant components

JPC – Journal of Planar Chromatography – Modern TLC - The purpose of this study was to qualitatively and quantitatively analyze cynaroside (CYN), apiin (API), diosmin (DIO), and linarin...     

Multi-Enzyme Inhibition Assay for Detection of Insecticidal Organophosphates and Carbamates by High-Performance Thin-Layer Chromatography. 1. Basics of Method Development

JPC – Journal of Planar Chromatography – Modern TLC - A recently introduced microtiter-plate multienzyme-inhibition assay using rabbit liver esterase (RLE), Bacillus subtilis (BS2)...