ArticleAnalytical chemistry2012
A simplified sum-frequency vibrational imaging setup used for imaging lipid bilayer arrays.
Article in Analytical chemistry, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Hyperspectral imaging with laser-scanning sum-frequency generation microscopy.Biomedical optics express · 2017Article
- The Influence of Lipid Bilayer Physicochemical Properties on Gramicidin A Conformer Preferences.Biophysical journal · 2016Article
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Authors and funding
2 authors.
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Abstract
Given the complexity of cell membranes, there is a need for an analytical technique which can explore the physical properties of lipid membranes in a high-throughput and noninvasive manner. A simplified sum-frequency vibrational imaging (SFVI) setup has been developed and characterized using asymmetrically prepared 1,2-distearoyl-sn-glycero-3-phosphocholine (DSPC):1,2-distearoyl(d70)-sn-glycero-3-phosphocholine (DSPC-d(70)) lipid bilayer arrays. Exploiting the vibrational selectivity and inherent symmetry constraints of sum-frequency generation, SFVI was successfully used to probe the transition temperature of a patterned DSPC:DSPC-d(70) lipid bilayer array. SFVI was also used to study the phase behavior in a multicomponent micropatterned lipid bilayer array (MLBA) prepared using three different binary lipid mixtures (1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC):DSPC, DOPC:1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC), and 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC:DSPC). This paper demonstrates that a simplified SFVI setup provides the necessary chemical imaging capabilities with the spatial resolution, sensitivity, and field of view required for exploring lipid membrane properties in a high-throughput array based assay.
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