Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1993-4-2
pubmed:abstractText
Intrinsic autofluorescent signals can interfere with extrinsic fluorophore signals when living cells are viewed under a confocal laser scanning microscope. The general pattern of this endogenous fluorescence is initially diffuse and cytoplasmic, but it can redistribute and intensify to become punctate and perinuclear as cells age. To reduce the contribution of autofluorescence when tracking the location of an extrinsic fluorophore, such as a fluorescently-labeled oligonucleotide, laser power settings, aperture settings, laser scanning rates, pH buffering environments, and excitatory wavelengths can be modulated. Decreasing laser power settings and aperture sizes, increasing laser scanning rates and excitatory wavelengths, and surrounding cells in a pH buffer all act to delay the signal transformation. In addition, the presence of an exogenous fluorophore can hasten the autofluorescent redistribution and intensification when compared to similar untreated cells.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
1050-5261
pubmed:author
pubmed:issnType
Print
pubmed:volume
2
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
303-13
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1992
pubmed:articleTitle
Characterization and minimization of cellular autofluorescence in the study of oligonucleotide uptake using confocal microscopy.
pubmed:affiliation
University of California, Berkeley Graduate Program in Bioengineering, San Francisco.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't