Results 21 to 30 of about 25,870 (262)

Recent developments in the rapid analysis of plants and tracking their bioactive constituents [PDF]

, 2009
Natural products chemistry has witnessed many new developments in the last 5 years like extractions with subcritical water and ionic liquids, LC/HRMS and LC/SPE/cryo-NMR, UHPLC, TLC/MS, MS-based preparative HPLC, comprehensive chromatography (GC × GC, LC
Beek, T.A., van, Claassen, F.W., Dapkevicius, A., Exarchou, V., Jeurissen, S.M.F., Klift, E.J.C., van der, Koleva, I., Tetala, K.K.R.   +7 more
core   +2 more sources

Yeast Lipid Extraction and Analysis by HPTLC

BIO-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, Zheng-Tan Zhang, Cheng-Wen He, Zhiping Xie   +3 more
openaire   +3 more sources

Determination of Delafloxacin in Pharmaceutical Formulations Using a Green RP-HPTLC and NP-HPTLC Methods: A Comparative Study

Antibiotics, 2020
In this work; delafloxacin (DLFX) was determined using a validated green RP-HPTLC and NP-HPTLC methods in commercial tablets and in-house developed solid lipid nanoparticles (SLNs).
Prawez Alam, Essam Ezzeldin, Muzaffar Iqbal, Gamal A.E. Mostafa, Md. Khalid Anwer, Mohammed H. Alqarni, Ahmed I. Foudah, Faiyaz Shakeel   +7 more
doaj   +1 more source

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

Plants, 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, Faiyaz Shakeel, Tariq M. Aljarba, Maged S. Abdel-Kader, Hala H. Zaatout, Sultan Alshehri, Prawez Alam   +6 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]

Trends 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, Forough Karami, Fatemeh Farmani, Ali Hosseini, Mahmoudreza Moein   +4 more
doaj   +1 more source

Mini-Review of Analytical Methods used in Quantification of Ellagic Acid

Reviews in Analytical Chemistry, 2020
Ellagic acid is an important phytochemical present in different plants such as Strawberry, Grapes, Blackberry, Raspberry etc. Chemically, ellagic acid is 2, 3, 7, 8-tetrahydroxychromeno [5, 4, 3-cde] chromene-5, 10-dione.
Agrawal Ojaskumar D., Kulkarni Yogesh A.
doaj   +1 more source

Simultaneous Determination of Caffeine and Paracetamol in Commercial Formulations Using Greener Normal-Phase and Reversed-Phase HPTLC Methods: A Contrast of Validation Parameters

Molecules, 2022
There has been no assessment of the greenness of the described analytical techniques for the simultaneous determination (SMD) of caffeine and paracetamol.
Prawez Alam, Faiyaz Shakeel, Abuzer Ali, Mohammed H. Alqarni, Ahmed I. Foudah, Tariq M. Aljarba, Faisal K. Alkholifi, Sultan Alshehri, Mohammed M. Ghoneim, Amena Ali   +9 more
doaj   +1 more source

Performance of Electropun Polyacrylonitrile Nanofibrous Phases, Shown for the Separation of Water-Soluble Food Dyes via UTLC-Vis-ESI-MS [PDF]

, 2006
Research in the miniaturization of planar chromatography led to various approaches in manufacturing ultrathin-layer chromatography (UTLC) layers of reduced thickness (
Andrew, Lachlan L. H., Athaudage, Chandra R. N., Manton, Jonathan H., Varma, Angiras R.   +3 more
core   +2 more sources

Guesstimate of thymoquinone diversity in Nigella sativa L. genotypes and elite varieties collected from Indian states using HPTLC technique

Open Life Sciences, 2023
Thymoquinone is a valuable metabolite derived from the Nigella sativa L. seeds and has a variety of therapeutic properties. Thymoquinone was estimated using n-hexane:ethyl acetate (8:2, v/v) green solvent system and computed at a wavelength of 254 nm ...
Ravi Y., Vethamoni Irene P., Saxena Shailendra N., Velmurugan S., Santanakrishnan V. P., Raveendran M., Bariya Himanshu, Harsh Mistry   +7 more
doaj   +1 more source

Simultaneous Detection of Chlorzoxazone and Paracetamol Using a Greener Reverse-Phase HPTLC-UV Method

Separations, 2022
In the literature, greener/eco-friendly analytical techniques for simultaneous estimation of chlorzoxazone (CZN) and paracetamol (PCT) are scarce. As a consequence, greener reverse-phase high-performance thin-layer chromatography with ultraviolet (HPTLC ...
Ahmed I. Foudah, Faiyaz Shakeel, Mohammed H. Alqarni, Tariq M. Aljarba, Sultan Alshehri, Prawez Alam   +5 more
doaj   +1 more source