Results 11 to 20 of about 3,141,961 (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

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

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

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

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

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   +1 more source

Liquid Chromatography

open access: yesFundamentals of Analytical Toxicology, 2020
A type of chromatography in which separation of a mixture is achieved by passing a sample in a stream of liquid solvent through some form of material that will provide resistance by virtue of chemical interactions between the components of the sample and
Ethanol Xe, Dioxane Xd
semanticscholar   +1 more source

Analyzes of β-lactam antibiotics by direct injection of environmental water samples into a functionalized graphene oxide-silica packed capillary extraction column online coupled to liquid chromatography tandem mass spectrometry

open access: yesTalanta Open, 2023
An environmentally friendly and high-throughput method for monitoring β-lactam antibiotics in environmental water samples is presented. In this study, an in-lab synthesized graphene oxide supported onto aminopropyl silica (GO@SiO2) sorbent was packed ...
Edvaldo V.S. Maciel   +2 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

The Suitability of RNA from Positive SARS-CoV-2 Rapid Antigen Tests for Whole Virus Genome Sequencing and Variant Identification to Maintain Genomic Surveillance

open access: yesDiagnostics, 2023
The COVID-19 pandemic has transformed laboratory management, with a surge in demand for diagnostic tests prompting the adoption of new diagnostic assays and the spread of variant surveillance tools. Rapid antigen tests (RATs) were initially used only for
Annamaria Cucina   +6 more
doaj   +1 more source

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