Results 11 to 20 of about 3,037,795 (402)

Chemical Composition of Leaves, Stem, and Roots of Peperomia pellucida (L.) Kunth

open access: yesMolecules, 2022
Peperomia pellucida is a species known in the Amazon as “erva-de-jabuti” that has been used in several therapeutic applications based on folk medicine.
Paulo Wender P. Gomes   +10 more
doaj   +1 more source

Development and Optimization of a High Sensitivity LC-MS/MS Method for the Determination of Hesperidin and Naringenin in Rat Plasma: Pharmacokinetic Approach

open access: yesMolecules, 2020
The purpose of this study was to develop, optimize, and fully validate a high-sensitivity methodology using UHPLC-MS/MS to simultaneously quantify hesperidin and naringenin in microsamples (100 µL) of murine plasma after intragastric administration of ...
Jesús Alfredo Araujo-León   +5 more
doaj   +1 more source

A Review of Exosomal Isolation Methods: Is Size Exclusion Chromatography the Best Option?

open access: yesInternational Journal of Molecular Sciences, 2020
Extracellular vesicles (EVs) are membranous vesicles secreted by both prokaryotic and eukaryotic cells and play a vital role in intercellular communication.
Karim Sidhom, Patience O. Obi, A. Saleem
semanticscholar   +1 more source

Pitfall in the high-throughput quantification of whole blood cyclosporin A using liquid chromatography-tandem mass spectrometry [PDF]

open access: yes, 2005
In a growing number of laboratories the technique of liquid chromatography-tandem mass spectrometry is used for the quantification of cyclosporin A in whole blood, employing cyclosporin D as the internal standard. Cyclosporin A is extensively metabolized
Spöhrer, Ute, Vogeser, Michael
core   +2 more sources

Defensive functions and potential ecological conflicts of floral stickiness

open access: yesScientific Reports, 2022
Stickiness of vegetative tissues has evolved multiple times in different plant families but is rare and understudied in flowers. While stickiness in general is thought to function primarily as a defense against herbivores, it may compromise mutualistic ...
Alexander Chautá   +4 more
doaj   +1 more source

Margaritaria nobilis L.F. (Phyllanthaceae): Ethnopharmacology and Application of Computational Tools in the Annotation of Bioactive Molecules

open access: yesMetabolites, 2022
Margaritaria nobilis is a shrubby species widely distributed in Brazil from the Amazon to the Atlantic Rainforest. Its bark and fruit are used in the Peruvian Amazon for disinfecting abscesses and as a tonic in pregnancy, respectively, and its leaves are
Johan Carlos C. Santiago   +8 more
doaj   +1 more source

Enhancing the multi-attribute method through an automated and high-throughput sample preparation

open access: yesmAbs, 2021
The multi-attribute method (MAM), a recent advance in the application of liquid chromatography-mass spectrometry within the pharmaceutical industry, enables the simultaneous monitoring of multiple product quality attributes in a single analytical method.
Pongkwan Sitasuwan   +5 more
doaj   +1 more source

A liquid chromatography tandem mass spectrometry method for simultaneous analysis of 46 atmospheric particulate-phase persistent organic pollutants and comparison with gas chromatography/mass spectrometry, [PDF]

open access: yes, 2017
A novel multi-analyte method for the simultaneous determination of 46 compounds of environmental concern, most of them belonging to the category of persistent organic pollutants, was developed using high-performance liquid chromatography and the results ...
Buiarelli, Francesca   +4 more
core   +1 more source

Comprehensive Characterization of 76 Pharmaceuticals and Metabolites in Wastewater by LC-MS/MS

open access: yesChemosensors, 2021
Wastewaters are considered one of the main sources of pollution in the aquatic environment as release a large number of contaminants every day. Emerging contaminants such as pharmaceuticals have special interest due to the high levels of consumption by ...
Cristian Gómez-Canela   +4 more
doaj   +1 more source

Efficient Sub-1 Minute Analysis of Selected Biomarker Catecholamines by Core-Shell Hydrophilic Interaction Liquid Chromatography (HILIC) with Nanomolar Detection at a Boron-Doped Diamond (BDD) Electrode

open access: yesSeparations, 2021
A rapid, sensitive method for the separation of catecholamine biomarkers (CAs), of importance in traumatic brain injury (TBI) and in Parkinson’s disease (PD), has been successfully developed using hydrophilic interaction liquid chromatography (HILIC ...
Majidah Alsaeedi   +4 more
doaj   +1 more source

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