نتایج جستجو برای: chip capillary electrophoresis
تعداد نتایج: 134281 فیلتر نتایج به سال:
A miniaturized analytical system for separating and detecting inorganic explosive residues, based on the coupling of a micromachined capillary electrophoresis (CE) chip with a contactless conductivity detector is described. The low electroosmotic flow (EOF) of the poly(methylmethacrylate) (PMMA) chip material facilitates the rapid switching between analyses of cations and anions using the same ...
In this contribution, a capillary electrophoresis microdevice with an integrated on-chip contactless four-electrode conductivity detector is presented. A 6-cm-long, 70-microm-wide, and 20-microm-deep channel was etched in a glass substrate that was bonded to a second glass substrate in order to form a sealed channel. Four contactless electrodes (metal electrodes covered by 30-nm silicon carbide...
Capillary electrophoresis provides very high efficiency separations of biological molecules. Laser-induced fluorescence produces very high sensitivity detection. The combination of the two techniques results in an analytical tool with unprecedented properties: separations with more than a million theoretical plates and detection limits of a few hundred analyte molecules. This paper considers th...
Ultrafast laser writing of waveguides in glasses is a very flexible and simple method for direct on-chip integration of photonic devices. In this work we present a monolithic optofluidic device in fused silica providing label-free and spatially-resolved sensing in a microfluidic channel. A Mach-Zehnder interferometer is inscribed with the sensing arm orthogonally crossing the microfluidic chann...
(under the direction of Prof. B. L. Karger), and a M.S. degree from the Free University, Am-sterdam. He has been working in the analytical instrumentation industry for over 10 years, has authored approximately 50 publications in the field of separation science, and taught training courses in capillary electrophoresis. Before starting his consulting business, Palomar Analytical Services in Redwo...
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