from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A divalent organic cation having the chemical formula C27H34N42+


prop- + -idium (Wiktionary)


  • For many years, the method of choice for supercoiled plasmid and virus DNA purification was cesium chloride density gradient centrifugation in the presence of an intercalation agent (such as ethidium bromide or propidium iodide).

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  • Apoptosis was detected using Annexin V antibody and propidium iodide staining and analysed by fluorescence microscopy and flow cytometry, while caspase 3/7 activity was detected using

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  • PI denotes propidium iodide staining and phase, phase contrast microscopy.

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  • Briefly, plants expressing pAR98 pATML1:: H2B-mYFP were grown in pots, the stems were taped to slides, the overlying flowers were dissected away, and the inflorescence with young sepals were mounted under a cover slip, stained with propidium iodide (PI), and imaged on a Zeiss 510 meta confocal laser scanning microscope every 6 (or 12) h.

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  • Images show epidermal nuclei (pATML1:: H2B-mYFP) in gold and cell walls (propidium iodide [PI]) in green.

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  • We tested conditioned media on B16 cells as well as C2C12 myoblasts and 10T1/2 fibroblasts and monitored cell morphology, number, and cell cycle status using propidium iodide uptake followed by FACs analysis.

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  • Fixed bacteria on coverslips were stained with SYTO-9 (488 nm excitation, green emission) or with red-fluorescent propidium iodide nucleic acid stain 490 nm (Molecular Probes).

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  • Non-adherent HCT116 and HT29 colorectal carcinoma cells expressing CXCL12 exhibited enhanced anoikis sensitivity by propidium iodide staining, caspase activity assays, and immunoblot compared to GFP control cells.

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  • For example, interference contrast allows the researchers to see the edges of the tube tip as it grows, while the fluorescent-labeled pectin enzyme and propidium iodide method illuminates the thickest tube parts as the brightest spots. - latest science and technology news stories

  • The membrane permeability was measured by the uptake of propidium iodide.

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