WebOct 1, 2002 · DAPI is a fluorescent reporter that is commonly used to detect DNA but may be used to unambiguously identify polyphosphates, because there is sufficient spectral separation between the... WebSep 10, 2011 · DAPI is a common stain for DNA and shows a shift from a blue DNA-specific signal with an emission maximum around 460 nm to a yellow signal with an emission maximum around 525 nm when binding to polyphosphate (Tijssen et al. 1982).

Phosphorus sequestration in the form of polyphosphate by ... - PNAS

WebDAPI has greater photostability than Hoechst dyes, although Hoechst 33342 can be use for live cell imaging while use of DAPI is confined to fixed cells. DAPI is offered in powdered solid and aqueous solution forms. ... Reports also indicate that DAPI will bind to polyphosphates and other polyanions, dextran sulfate and SDS. ... WebOct 1, 2007 · We now report highly sensitive and specific staining methods for polyP in polyacrylamide gels based on the fluorescent dye, 4′,6-diamidino-2-phenylindol (DAPI). DAPI bound to polyP in gels fluoresced yellow while DAPI bound to nucleic acids or glycosaminoglycans fluoresced blue. Inclusion of EDTA prevented staining of … implementation active simultaneously sap

DAPI Counterstaining Protocols Thermo Fisher Scientific

WebHere we report a direct fluorescence based DAPI assay system which removes the requirement for prior polyP extraction before quantification. This increased the efficiency … WebJun 20, 2008 · The presence of polyphosphate granules was determined by fluorescence microscopy. Briefly, cells from a C. pyrenoidosa culture were collected at 24 and 64 h of growth, incubated in solutions of 4, 6-diamidino-2-phenylindole (DAPI; Sigma Inc., 50 μg/ml), mounted on slides and observed using a fluorescence microscope. WebThe utilization of DAPI-based fluorometric estimation for polyphosphate (polyP) analysis from microalgae has become increasingly prevalent in field samples since its publication … implementation and control of project in mis