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Journals and Conferences
The tear film covers the anterior eye and the precise balance of its various constituting components is critical for maintaining ocular health. The composition of the tear film amphiphilic lipid sublayer, in particular, has largely remained a matter of contention due to the limiting concentrations of these lipid amphiphiles in tears that render their… (More)
A new class of fluorescent DNA-poly(phenylenevinylene) hybrid hydrogels (DNA/SP-PPV) have been prepared by in situ polymerization of monomer with salmon DNA as template, which are used for monitoring drug release driven by media pH.
Despite its importance as the leading cause of vascular dementia, the primary pathogenic mechanisms in subcortical ischemic vascular dementia (SIVD) have remained elusive. Because of the lack of approved therapeutic agents for SIVD, there is a pressing need to identify novel therapeutic targets. Comparative lipidomic analyses of SIVD and mixed dementia… (More)
MicroRNA (miRNA) analysis in a single cell is extremely important because it allows deep understanding of the exact correlation between the miRNAs and cell functions. Herein, we wish to report a highly sensitive and precisely quantitative assay for miRNA detection based on ligation-based droplet digital polymerase chain reaction (ddPCR), which permits the… (More)
Simple, rapid, and sensitive technologies to detect nucleic acid modifications have important applications in genetic analysis, clinical diagnosis, and molecular biology. Because genetic modifications such as single nucleotide polymorphisms (SNP), DNA methylation, and other lesions can serve as hallmarks of human disease, interest in such methods has… (More)
Intercalation interactions between planar aromatic molecules and double-stranded DNA (dsDNA) relate to not only the structure of the guest molecules but also the structure of the dsDNA. In this letter, we have comparatively studied the intercalation between pyrene and fully matched or mismatched dsDNA using single-molecule force spectroscopy (SMFS). The… (More)
We have developed a new ligase chain reaction-based colorimetric assay for detection of DNA methylation with ultrahigh sensitivity and selectivity. Using the proposed assay, as low as 0.01 fM methylated DNA can be detected by visualization of color changes of gold nanoparticles with the naked eye.
As current diagnostic markers for dry eye syndrome (DES) are lacking in both sensitivity and specificity, a pressing concern exists to develop activity markers that closely align with the principal axes of disease progression. In this study, a comprehensive lipidomic platform designated for analysis of the human tear lipidome was employed to characterize… (More)
While pathological alterations in plasma neutral lipids with type 2 diabetes mellitus (T2DM) has been relatively well-characterized, only limited information is available on the variations in global polar lipidome (glycerophospholipids and sphingolipids) with the disease. To systematically identify polar lipid aberrations associated with early stage T2DM,… (More)
An energy-transfer cascade is generated from a cationic conjugated polymer (PFP) and negatively charged, Y-shaped DNA labeled with three dyes at its termini (fluorescein (Fl), Tex Red, and Cy5). Multistep fluorescence resonance energy transfer regulates the fluorescence intensities of PFP and the dyes. Different types of logic gates can be operated by… (More)