Results 31 to 40 of about 26,523 (162)

HPLC-DAD Determination of Iodide in Mineral Waters on Phosphatidylcholine Column [PDF]

Molecules, 2019
Iodine is an essential nutrient necessary for the production of thyroid hormones. A valuable source of iodide, which is the bio-available iodine form could be mineral waters offered by different spas. In this work, the method capable of direct determination of iodide in mineral water samples based on IAM liquid chromatography on the phosphatidylcholine
Małgorzata Tatarczak-Michalewska, Jolanta Flieger, Justyna Kawka, Wojciech Flieger, Eliza Blicharska   +4 more
openaire   +4 more sources

Determination of cellular vitamin C dynamics by HPLC-DAD

The Analyst, 2019
A redox-sensitive inter-conversion between ascorbic acid (ASC) and its oxidized form dehydroascorbic acid (DHA) in the intracellular environment has been of exceptional interest to recent metabolomics and pharmaceutical research.
Taiki Miyazawa, Akira Matsumoto, Yuji Miyahara   +2 more
openaire   +3 more sources

Green HPLC–DAD method for the analysis of analgesic and antihistamine drugs adulterated in herbal mixtures

Green Analytical Chemistry
This study presents a HPLC-DAD method developed for the simultaneous detection of histamine H1 antagonist drugs and analgesic compounds, including paracetamol, cetirizine hydrochloride, cinnarizine, chlorpheniramine maleate, and loratadine, in herbal ...
Dao Thi Cam Minh, Le Anh Thi, Tran Thi Thu Thuy, Nguyen Thi Kieu Anh, Pham Thi Thanh Ha, Tran Thuy Hanh, Nguyen Hai Phong, Huynh Van Chung   +7 more
doaj   +1 more source

Characterisation of Phenolic Compounds in South African Plum Fruits (Prunus salicina Lindl.) using HPLC Coupled with Diode-Array, Fluorescence, Mass Spectrometry and On-Line Antioxidant Detection

Molecules, 2013
Phenolic compounds are abundant secondary metabolites in plums, with potential health benefits believed to be due to their antioxidant activity, amongst others. Phenolic characterisation of South African Prunus salicina Lindl. plums is necessary to fully
Dalene de Beer, Elizabeth Joubert, Alet Venter   +2 more
doaj   +1 more source

Potential Diagnostic of Branched-Chain Ketoaciduria by HPLC-DAD

Journal of the Brazilian Chemical Society, 2014
A system of high performance liquid chromatography (HPLC) was used for the development and validation of efficient method for quantitative determination of three aminoacids involved in the inherited metabolic disease Branched-Chain Ketoaciduria (BCK), also called maple syrup urine disease.
Trintinalia, Maíra Magalhães, Alves, Atecla Nunciata Lopes, Fernandes, Liliam, Bechara, Etelvino Jose Henriques, Assunção, Nilson Antonio   +4 more
openaire   +3 more sources

Incorporating PET-MIL-101(Fe) within cellulose acetate membrane for thin film microextraction of neonicotinoid insecticides in water

Scientific Reports
Herein, cellulose acetate membrane modified with polyethylene terephthalate derived MIL-101(Fe) (PET-MIL-101(Fe)) was used as an extraction phase for the direct immersion-thin film microextraction method (DI-TFME) of neonicotinoid insecticides in water ...
Silindokuhle Jakavula, Neliswa Mpayipheli, Azile Nqombolo, Jianwei Ren, Philiswa Nosizo Nomngongo   +4 more
doaj   +1 more source

Comparison of Capillary Electrophoresis and HPLC-Based Methods in the Monitoring of Moniliformin in Maize

Foods
Over the past few decades, scientific interest in mycotoxins—fungal metabolites that pose serious concern to food safety, crop health, and both human and animal health—has increased. While major mycotoxins such as aflatoxins, ochratoxins, deoxynivalenol,
Sara Astolfi, Francesca Buiarelli, Francesca Debegnach, Barbara De Santis, Patrizia Di Filippo, Donatella Pomata, Carmela Riccardi, Giulia Simonetti   +7 more
doaj   +1 more source

Phytochemical Characterization for Quality Control of Phyllostachys pubescens Leaves Using High-Performance Liquid Chromatography Coupled with Diode Array Detector and Tandem Mass Detector

Plants, 2021
Phyllostachys pubescens leaves are cultivated in a number of Asian countries and have been used for antipyretic and diuretic effects since ancient times, especially in Korea.
Chang-Seob Seo, Kwang-Hoon Song
doaj   +1 more source

Application of HPLC-DAD for the quantification of Lycorine in Galanthus elwesii Hook [PDF]

Brazilian Journal of Pharmaceutical Sciences, 2017
ABSTRACT In the present study, a reversed-phase high-performance liquid chromatographic method has been used for the quantitative determination of lycorine in the aerial parts and bulbs of G. elwesii Hook. A simple method for the extraction of lycorine in low mass plant samples was employed utilizing pre-packed columns with diatomaceous earth (Extrelut(
Emir, Ahmet, Emir, Ceren, Bozkurt, Buket, Onur, Mustafa Ali, Somer, Nehir Unver, Kaya, Gulen Irem   +5 more
openaire   +5 more sources

Intraspecific variability of Holostylis reniformis: concentration of lignans, as determined by maceration and supercritical fluid extraction (SFE-CO2), as a function of plant provenance and plant parts

Química Nova, 2014
Maceration and supercritical fluid extraction were used to prepare extracts from parts of plants (Holostylis reniformis) collected in two different regions of Brazil.
Gislaine F. Martins, Marcos D. P. Pereira, Lucia M. X. Lopes, Tito da Silva, Paulo de T. Vieira e Rosa, Fernanda P. Barbosa, Gisele B. Messiano, Antoniana U. Krettli   +7 more
doaj   +1 more source