Imaging lipid distributions in model monolayers by ToF-SIMS with selectively deuterated components and principal components analysis. Biesinger, M. C., Miller, D. J., Harbottle, R. R., Possmayer, F., McIntyre, N. S., & Petersen, N. O. Applied Surface Science, 252(19):6957 - 6965, 2006. ![Imaging lipid distributions in model monolayers by ToF-SIMS with selectively deuterated components and principal components analysis [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Time of flight secondary ion mass spectrometry (ToF-SIMS) provides the capability to image the distribution of molecular ions and their associated fragments that are emitted from monolayer films. ToF-SIMS can be applied to the analysis of monolayers of complex lipid mixtures that act as a model to understand the organization of cell membranes into solid-like domains called lipid rafts. The ability to determine the molecular distribution of lipids using ToF-SIMS in monolayer films is also important in studies of the function of pulmonary surfactant. One of the limitations of the use of ToF-SIMS to studies of complex lipid mixtures found in biological systems, arises from the similarity of the mass fragments that are emitted from the components of the lipid mixture. The use of selectively deuterated components in a mixture overcomes this limitation and results in an unambiguous assignment of specific lipids to particular surface domains. The use of deuterium labeling to identify specific lipids in a multi-component mixture can be done by the deuteration of a single lipid or by the addition of more than one lipid with selectively deuterated components. The incorporation of deuterium into the lipid chains does not alter the miscibility or phase behavior of these systems. The use of deuterium labeling to identify lipids and determine their distribution in monolayer films will be demonstrated using two biological systems. Principal components analysis (PCA) is used to further analyze these deuterated systems checking for the origin of the various mass fragments present.
@Article{biesinger06imaging,
author = {Mark C. Biesinger and David J. Miller and Robert R. Harbottle and Fred Possmayer and N. Stewart McIntyre and Nils O. Petersen},
journal = {Applied Surface Science},
title = {Imaging lipid distributions in model monolayers by ToF-SIMS with selectively deuterated components and principal components analysis},
year = {2006},
issn = {0169-4332},
number = {19},
pages = {6957 - 6965},
volume = {252},
abstract = {Time of flight secondary ion mass spectrometry (ToF-SIMS) provides the capability to image the distribution of molecular ions and their associated fragments that are emitted from monolayer films. ToF-SIMS can be applied to the analysis of monolayers of complex lipid mixtures that act as a model to understand the organization of cell membranes into solid-like domains called lipid rafts. The ability to determine the molecular distribution of lipids using ToF-SIMS in monolayer films is also important in studies of the function of pulmonary surfactant. One of the limitations of the use of ToF-SIMS to studies of complex lipid mixtures found in biological systems, arises from the similarity of the mass fragments that are emitted from the components of the lipid mixture. The use of selectively deuterated components in a mixture overcomes this limitation and results in an unambiguous assignment of specific lipids to particular surface domains. The use of deuterium labeling to identify specific lipids in a multi-component mixture can be done by the deuteration of a single lipid or by the addition of more than one lipid with selectively deuterated components. The incorporation of deuterium into the lipid chains does not alter the miscibility or phase behavior of these systems. The use of deuterium labeling to identify lipids and determine their distribution in monolayer films will be demonstrated using two biological systems. Principal components analysis (PCA) is used to further analyze these deuterated systems checking for the origin of the various mass fragments present.},
doi = {http://dx.doi.org/10.1016/j.apsusc.2006.02.121},
keywords = {Lipid separations},
owner = {Purva},
timestamp = {2016-12-22},
url = {http://www.sciencedirect.com/science/article/pii/S016943320600420X},
}
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ToF-SIMS can be applied to the analysis of monolayers of complex lipid mixtures that act as a model to understand the organization of cell membranes into solid-like domains called lipid rafts. The ability to determine the molecular distribution of lipids using ToF-SIMS in monolayer films is also important in studies of the function of pulmonary surfactant. One of the limitations of the use of ToF-SIMS to studies of complex lipid mixtures found in biological systems, arises from the similarity of the mass fragments that are emitted from the components of the lipid mixture. The use of selectively deuterated components in a mixture overcomes this limitation and results in an unambiguous assignment of specific lipids to particular surface domains. The use of deuterium labeling to identify specific lipids in a multi-component mixture can be done by the deuteration of a single lipid or by the addition of more than one lipid with selectively deuterated components. The incorporation of deuterium into the lipid chains does not alter the miscibility or phase behavior of these systems. The use of deuterium labeling to identify lipids and determine their distribution in monolayer films will be demonstrated using two biological systems. Principal components analysis (PCA) is used to further analyze these deuterated systems checking for the origin of the various mass fragments present.","doi":"http://dx.doi.org/10.1016/j.apsusc.2006.02.121","keywords":"Lipid separations","owner":"Purva","timestamp":"2016-12-22","url":"http://www.sciencedirect.com/science/article/pii/S016943320600420X","bibtex":"@Article{biesinger06imaging,\n author = {Mark C. Biesinger and David J. Miller and Robert R. Harbottle and Fred Possmayer and N. Stewart McIntyre and Nils O. Petersen},\n journal = {Applied Surface Science},\n title = {Imaging lipid distributions in model monolayers by ToF-SIMS with selectively deuterated components and principal components analysis},\n year = {2006},\n issn = {0169-4332},\n number = {19},\n pages = {6957 - 6965},\n volume = {252},\n abstract = {Time of flight secondary ion mass spectrometry (ToF-SIMS) provides the capability to image the distribution of molecular ions and their associated fragments that are emitted from monolayer films. ToF-SIMS can be applied to the analysis of monolayers of complex lipid mixtures that act as a model to understand the organization of cell membranes into solid-like domains called lipid rafts. The ability to determine the molecular distribution of lipids using ToF-SIMS in monolayer films is also important in studies of the function of pulmonary surfactant. One of the limitations of the use of ToF-SIMS to studies of complex lipid mixtures found in biological systems, arises from the similarity of the mass fragments that are emitted from the components of the lipid mixture. The use of selectively deuterated components in a mixture overcomes this limitation and results in an unambiguous assignment of specific lipids to particular surface domains. The use of deuterium labeling to identify specific lipids in a multi-component mixture can be done by the deuteration of a single lipid or by the addition of more than one lipid with selectively deuterated components. The incorporation of deuterium into the lipid chains does not alter the miscibility or phase behavior of these systems. The use of deuterium labeling to identify lipids and determine their distribution in monolayer films will be demonstrated using two biological systems. 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