Search results for “Liquid chromatography”

About 9 results in articles

Open Access Pub publishes peer-reviewed, free-to-read open-access articles. Showing articles matching Liquid chromatography — open any to read the full text, or download the PDF or XML.

Liquid Chromatography-Mass Spectrometry (LC-MS) Applications in Food Safety–Review

Dec 2024 DOI 10.14302/issn.2835-2165.jfsh-24-5371
Pradeep SarkateCorresponding author

One of the primary goals and aims of studying chemistry in society is the promotion of the well-being of humanity and the sustainable utilization of the available resources. Chemistry has played a significant role in water treatment, food production, energy production, and medicine, among other crit…

Rapid and Sensitive High-Performance Liquid Chromatography/Tandem Mass Spectrometry Method for Determination of Danshensu in Rat Plasma

Nov 2013 DOI 10.14302/issn.2326-0793.jpgr-13-291
Yue-sheng WangCorresponding author

A sensitive, specific and rapid high-performance liquid chromatography/tandem mass spectrometry (hplc–ms/ms) method has been developed and validated for the determination of danshensu (dss) in rat plasma in the present study. The analytes were separated on a c18 column (50 mm×2.1 mm, 1.7 μm) and a t…

Liquid Chromatography Tandem Mass Spectrometry Method for Determination of Febuxostat in Human Plasma to Support A Bioequivalence Study

Mar 2013 DOI 10.14302/issn.2328-0182.japst-12-173
Bhavin N. PatelCorresponding author

A reliable, selective and sensitive liquid chromatography-tandem mass spectrometry (LC-ESI-MS/MS) assay has been proposed for the determination of febuxostat in human plasma using indomethacin as the internal standard (IS). The analyte and IS were extracted from 200 µL of human plasma via liquid-liq…

The Impact of EDTA And Selenite on The Stability of Insulin in Cell Culture Media

Jun 2023
S. Prakasha Gowda A.Corresponding author

Insulin is a frequent peptide hormone addition in serum-free mammalian cell culture media. It contributes in a variety of biological functions, including as promoting cell proliferation, cell cycle progression, and glucose uptake. However, it is unknown how stable insulin is under in vitro cell cult…

Study of the Consciousness Energy Healing Treatment and It’s Effect on the Isotopic Abundance Ratio of Ascorbic Acid (Vitamin C)

Apr 2021 DOI 10.14302/issn.2689-2855.jan-21-3771
Snehasis JanaCorresponding author

Ascorbic acid is a water-soluble vitamin (Vitamin C) essential for both the plants and animals for the metabolic process. In this study, the liquid chromatography-mass spectrometry (LC-MS) analytical technique was used to characterize the structural properties and isotopic abundance ratio to evaluat…

Non-Enzymatic Methylglyoxal Formation From glucose Metabolites and Generation of Superoxide Anion Radical During Methylglyoxal-Dependent Cross-Links Reaction

Sep 2019 DOI 10.14302/issn.2471-2140.jaa-19-2997
K.B. ShumaevCorresponding author

The paper explores the formation of a-oxoaldehydes during the interaction of glucose metabolites with hydroxyl or alkoxyl radicals. Hydroxyl radicals were generated under radiolysis of aqueous solutions, and alkoxyl radicals (t-BuO) were obtained in the model system tert-butyl hydroperoxide/Fe2+. H…

Antibacterial and Cytotoxicity Activities of Major Compounds from Tinospora cordifolia Willd. Growing on Mangifera indica L.

Apr 2019 DOI 10.14302/issn.2379-7835.ijn-19-2690
Thongchai TaechowisanCorresponding author

Objective To investigate the major constituents of Tinosporacordifolia Willd. growing on Mangiferaindica, and to evaluate the efficacy of their antibacterial and cytotoxicity activities. Methods The ethanolic stem extract of T. cordifolia was subjected to silica gel 60 column chromatography, thin la…

Identification and Quantification of an Adulterant in a Dietary Supplement Marketed for Sexual Enhancement

Oct 2018 DOI 10.14302/issn.2328-0182.japst-18-2344
Liliana MuschiettiCorresponding author

In recent years, the consumption of dietary supplements (DS) has increased worldwide. In Argentina, approximately 14 million DS units were sold between 2015 and 2017. The adulteration of DS with active pharmaceutical ingredients or their analogues has been reported. This represents an alarming emerg…

Preparation and Application for Separation of Small Molecules of a New Poly(OVS-co-EDMA) Hybrid Monolithic Column

May 2016 DOI 10.14302/issn.2377-2549.jndc-15-923
Fengqing WangCorresponding author

A hybrid monolithic column was prepared using octavinyloctasilasesquioxane (OVS) as a monomer, benzoyl peroxide/dimethylacetamide (BPO/DMA) as initiator, ethylene glycol dimethacrylate (EDMA) as cross-linker, 1-dodecanol as porogenic agent and dimethylbenzene as cosolvent. A tidy skeleton, much bigg…

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