Showing 1-19 of 19 results for "36799"
Sagar Satpathi et al.
Organic & biomolecular chemistry, 17(21), 5392-5399 (2019-05-21)
Here, we have explored the light-up property of coumarin 343 (C343) selectively towards various i-motif DNAs based on the recognition of hemi-protonated cytosine-cytosine base pairing, unlike other DNA structures. We have also demonstrated the versatile ability of this i-motif ligand...
Keisuke Ikeda et al.
Biochemical and biophysical research communications, 370(3), 525-529 (2008-04-09)
Amyloid beta-protein (Abeta) has been reported to interact with a variety of lipid species, although the thermodynamic driving force remains unclear. We investigated the binding of Abetas labeled with the dye diethylaminocoumarin (DAC-Abetas) to lipid bilayers under various conditions. DAC-Abeta-(1-40)...
Aninda Chatterjee et al.
Photochemistry and photobiology, 89(2), 280-293 (2012-09-26)
The photophysical properties of 7-(diethylamino) coumarin-3-carboxylic acid (7-DCCA) were studied in cyclodextrins (α, β, γ,-CDs), different neat solvents and solvent mixtures by using steady state absorption, emission and time-resolved fluorescence spectroscopy. We have observed that with gradual increase in concentration...
Tiffany P Gustafson et al.
Chemical communications (Cambridge, England), 49(7), 680-682 (2012-12-12)
Nanothermometers composed from a gold nanorod core, temperature sensitive linker and fluorescent dye are reported. The nanothermometers have low fluorescence due to a self-quenching mechanism at temperatures below 50 °C and become highly fluorescence above 70 °C.
Marlous Kamp et al.
Langmuir : the ACS journal of surfaces and colloids, 36(9), 2403-2418 (2020-02-26)
We report methods to synthesize sub-micron- and micron-sized patchy silica particles with fluorescently labeled hemispherical titania protrusions, as well as routes to efficiently characterize these particles and self-assemble these particles into non-close-packed structures. The synthesis methods expand upon earlier work...
Atsuko Kakio et al.
Biochemistry, 41(23), 7385-7390 (2002-06-05)
GM1 ganglioside-bound amyloid beta-protein (GM1-Abeta), found in brains exhibiting early pathological changes of Alzheimer's disease (AD) plaques, has been suggested to accelerate amyloid fibril formation by acting as a seed. We have previously found using dye-labeled Abeta that Abeta recognizes...
Keisuke Ikeda et al.
FEBS letters, 580(28-29), 6587-6595 (2006-11-28)
The formation of fibrils by amyloid beta-protein (Abeta) is considered as a key step in the pathology of Alzheimer's disease (AD). Inhibiting the aggregation of Abeta is a promising approach for AD therapy. In this study, we used biocompatible nanogels...
The photophysics of 7-(N,N'-diethylamino)coumarin-3-carboxylic acid in water/AOT/isooctane reverse micelles: an excitation wavelength dependent study.
Chatterjee A, Maity B, Seth D.
Physical Chemistry Chemical Physics, 1894-1906 (2012)
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Kristina Najjar et al.
The Journal of biological chemistry, 292(3), 847-861 (2016-12-08)
Cell-penetrating peptides (CPPs) are well established as delivery agents for otherwise cell-impermeable cargos. CPPs can also theoretically be used to modulate intracellular processes. However, their susceptibility to proteolytic degradation often limits their utility in these applications. Previous studies have explored...
Simone Kunzelmann et al.
Biochemistry, 49(5), 843-852 (2009-12-24)
A single-stranded DNA binding protein (SSB), labeled with a fluorophore, interacts with single-stranded DNA (ssDNA), giving a 6-fold increase in fluorescence. The labeled protein is the adduct of the G26C mutant of the homotetrameric SSB from Escherichia coli and a...
J R Leisey et al.
The American journal of physiology, 267(2 Pt 2), H645-H653 (1994-08-11)
Quantitation of metabolic parameters using the technique of cardiac surface fluorescence is complicated by motion and changes in tissue absorption. Because ratio fluorescence methodology can be applied to eliminate motion-induced errors, in the current study, we used a ratio fluorescence...
E. Koller et al.
Appl. Fluoresc. Technol., 4, 18-18 (1992)
Alicia S Kriete et al.
Interface focus, 9(4), 20190013-20190013 (2019-07-03)
Urinary incontinence is a significant challenge for women who are affected by it. We propose augmenting the tissue structure to restore normal biomechanics by molecularly engineering the tissue using a novel family of biomimetic proteoglycans (BPGs). This work examines the...
A Kakio et al.
The Journal of biological chemistry, 276(27), 24985-24990 (2001-05-09)
GM1 ganglioside-bound amyloid beta-protein (GM1/Abeta), found in brains exhibiting early pathological changes of Alzheimer's disease (AD) including diffuse plaques, has been suggested to be involved in the initiation of amyloid fibril formation in vivo by acting as a seed. To...
Intense blue fluorescence in a leucine zipper assembly.
Hiroshi Tsutsumi et al.
Chembiochem : a European journal of chemical biology, 12(5), 691-694 (2011-03-16)
Hui Zhang et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 69(4), 1136-1139 (2007-07-28)
The structure of 7-(N,N'-diethylamino)-coumarin-3-carboxylic acid (DCCA) was verified by single crystal X-ray crystallography. The UV-vis absorption and fluorescence of DCCA were discussed. The compound exhibits strong blue emission under ultraviolet light excitation. The molecular structure of DCCA was optimized using...
Rosaria Notariale et al.
Acta biochimica Polonica, 65(4), 585-594 (2018-11-18)
The major acid-soluble protein components of the mussel Mytilus galloprovincialis sperm chromatin consist of the protamine-like proteins PL-II, PL-III and PL-IV, an intermediate group of sperm nuclear basic proteins between histones and protamines. The aim of this study was to...
Ming-Der Wu et al.
Chemistry & biodiversity, 10(3), 434-441 (2013-03-16)
Four new maleimide derivatives, antrocinnamomins E-H (1-4, resp.), together with (3S,4R)-1-hydroxy-3-(4-hydroxyphenyl)-4-(2-methylpropyl)pyrrolidine-2,5-dione (5) and ergosterol were isolated from the mycelia of Antrodia cinnamomea BCRC 36799. The structures were elucidated by 1D- and 2D-NMR spectroscopy, and mass spectrometry. Compounds 1-5 were evaluated...

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