Analytical Chemistry (Washington)
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Confocal XANES and the Attic Black Glaze: The Three-Stage Firing Process through Modern Reproduction.
The decorated black- and red-figured Athenian vases (sixth and fifth century BC) and the plain black-glazed ware represent a milestone in our material culture due to their aesthetic and technological value; the Attic black glaze is of particular interest since it is a highly resistant potash-alumino...
Study on Variation of Lipids during Different Growth Phases of Living Cyanobacteria Using Easy Ambient Sonic-Spray Ionization Mass Spectrome...
Lipids are important components of cell membranes and thylakoids in cyanobacteria, and they play vital roles in various biological activities. Real-time tracing of the variation of membrane lipids can provide insights of the physiological status of cyanobacterial cells. In this work, easy ambient so...
Cysteine-cystine redox cycling in a gold-gold dual-plate generator-collector microtrench sensor.
Thiols and disulfides are ubiquitous and important analytical targets. However, their redox properties, in particular on gold sensor electrodes, are complex and obscured by strong adsorption. Here, a gold-gold dual-plate microtrench dual-electrode sensor with feedback signal amplification is demonst...
Ultrarapid Detection of Pathogenic Bacteria Using a 3D Immunomagnetic Flow Assay.
We developed a novel 3D immunomagnetic flow assay for the rapid detection of pathogenic bacteria in a large-volume food sample. Antibody-functionalized magnetic nanoparticle clusters (AbMNCs) were magnetically immobilized on the surfaces of a 3D-printed cylindrical microchannel. The injection of a S...
Quantitative nonlinear optical assessment of atherosclerosis progression in rabbits.
We validated a quantitative approach for assessing atherosclerosis progression in a rabbit model using a numerical matrix, optical index for plaque burden, derived directly from the nonlinear optical microscopic images captured on the atherosclerosis-affected blood vessel. A positive correlation bet...
Interfacial self-assembled functional nanoparticle array: a facile surface-enhanced Raman scattering sensor for specific detection of trace ...
Surface-enhanced Raman scattering (SERS) has proven to be promising for the detection of trace analytes; however, the precise nanofabrication of a specific and sensitive plasmonic SERS-active substrate is still a major challenge that limits the scope of its applications. In this work, gold nanoparti...
Sequential strand displacement beacon for detection of DNA coverage on functionalized gold nanoparticles.
We describe a sequential strand displacement beacon assay that is able to quantify specific DNA sequences conjugated or coconjugated onto gold nanoparticles (AuNPs). Unlike the conventional fluorescence assay that requires the target DNA to be fluorescently labeled, the sequential strand displacemen...
The 2013 dreyfus prize to graham cooks: congratulations!
Correction to rapid nondestructive spectrometric measurement of temperature-dependent gas-liquid solubility equilibria.
Influence of polarization setting on gold nanorod signal at nonplasmonic wavelengths under differential interference contrast microscopy.
Researchers rely on a variety of microscopic techniques and polarization settings for observing and tracking anisotropic nanoparticles in real time experiments. This technical note focuses on the optical behavior exhibited by gold nanorods at non-plasmonic wavelengths under different...