Results 21 to 30 of about 11,520 (222)

Thin-layer chromatography of DNS amino acids derivatives in systems with silica gel and silanized silica gel plates

open access: yesCurrent Issues in Pharmacy and Medical Sciences, 2022
Investigations into separation selectivity of High-Performance Thin-layer chromatography (HPTLC) of dansyl (DNS) derivatives of amino acids in silica gel (Silica gel 60 F254s plates) and silanized silica gel (RP-18 W plates) systems are presented.
Chomicki Adam, Dzido Tadeusz H.
doaj   +1 more source

Contribution of the recent HPTLC developments to the analysis of complex samples with broad polarity ranges: Lipidomics, petroleum products and biofuels

open access: yes, 2021
Talk delivered at the Eastern Analytical Symposium (EAS) meeting, held November 17-19, 2019, in Princeton, NJ, USA, organized by the International Association for the Advancement of High-Performance Thin-Layer Chromatography (HPTLC Association).High ...
Cebolla, Vicente L.   +3 more
core   +1 more source

New records of the genus Ramalina (Lecanorales, Ascomycota) in Dagestan with a key to species

open access: yesTurczaninowia, 2023
Based on morphological, chemical and molecular evidences, Ramalina europaea, R. lacera, and R. obtusata are reported for the first time for Dagestan. Ramalina lacera is the first confirmed record for the Russian part of the Caucasus and the second one ...
Азиз Бадаутдинович Исмаилов   +2 more
doaj   +1 more source

Comprehensive HPTLC fingerprinting as a tool for a simplified analysis of purity of ginkgo products [PDF]

open access: yes, 2019
Ethnopharmacological relevance: Herbal medicinal products based on ginkgo leaf refined dry extract (GBE) are an European development from the Eastern Asia traditionally used species Ginkgo biloba L.
Frommenwiler, D.   +5 more
core   +1 more source

Using high performance thin layer chromatography for the detection of pharmacologically active secondary metabolites in Empetrum nigrum L.

open access: yesРазработка и регистрация лекарственных средств, 2021
Introduction. The article presents the results of the detection of pharmacologically active secondary metabolites in black crowberry Empetrum nigrum L. using the method of high performance thin layer chromatography (HPTLC).Aim.
A. O. Ponkratova   +3 more
doaj   +1 more source

HPTLC-DESI-HRMS-Based Profiling of Anthraquinones in Complex Mixtures—A Proof-of-Concept Study Using Crude Extracts of Chilean Mushrooms

open access: yesFoods, 2020
High-performance thin-layer chromatography (HPTLC) coupled with negative ion desorption electrospray ionization high-resolution mass spectrometry (DESI-HRMS) was used for the analysis of anthraquinones in complex crude extracts of Chilean dermocyboid ...
Annegret Laub   +5 more
doaj   +1 more source

Development of HPTLC analysis to evaluation of Rosmarinic and Caffeic acids in Salvia aegyptiaca extract and analysis of its antioxidant activities [PDF]

open access: yesTrends in Pharmaceutical Sciences, 2023
Phenolic acids such as rosmarinic acid (RA) and caffeic acid (CA), are the most significant phenolic compounds in Lamiaceae family, including Salvia species.
Zahra Sabahi   +4 more
doaj   +1 more source

Yeast Lipid Extraction and Analysis by HPTLC

open access: yesBIO-PROTOCOL, 2021
The diversity of lipid structures, properties, and combinations in biological tissues makes their extraction and analysis an experimental challenge. Accordingly, even for one of the simplest single-cellular fungi, the budding yeast (Saccharomyces cerevisiae), numerous extraction and analysis protocols have been developed to separate and quantitate the ...
Dan Li   +3 more
openaire   +3 more sources

Determination of Colchicine in Pharmaceutical Formulations, Traditional Extracts, and Ultrasonication-Based Extracts of Colchicum autumnale Pleniflorum (L.) Using Regular and Greener HPTLC Approaches: A Comparative Evaluation of Validation Parameters

open access: yesPlants, 2022
In the literature, there is a scarcity of greener analytical approaches for colchicine (CLH) analysis. As a result, efforts were made in this study to develop and validate a greener reversed-phase high-performance thin-layer chromatography (HPTLC ...
Mohammed H. Alqarni   +6 more
doaj   +1 more source

APPLICATIONS OF HPTLC IN HERBAL DRUGS ANALYSIS

open access: yes, 2022
The analysis and quality control of herbal medicines are going a step ahead towards an integrative and comprehensive direction, in order to equipment the complex nature of herbal medicines. High-performance thin layer chromatography (HPTLC) is one of the
Vidhyatai Jondhale*, Nikita Wagh, Shubhada Mohite, Dr. Milind Wagh, Monika Sonawane
core   +1 more source

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