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In this research, we present a chip based capillary electrochromatography (CEC) carrying out a highly efficient separation of biomolecules through gradient hydrophobic stationary phase (GHSP) provided by multiwalled carbon nanotubes (MWCNTs) nanocolumns. 4-azidoaniline was employed for the surface modification of the MWCNTs to form a gradient stationary phase by a photochemical reaction through a...
In this paper we present a lab-on-glass system for label free DNA analysis that integrates a polymerase chain reaction (PCR) chamber for DNA amplification, an electrowetting-based droplet-handling system and a hydrogenated amorphous silicon ultraviolet sensor array for DNA detection. The photosensors allow to measure the absorbance of the biomolecules at 254 nm to reveal and quantify the DNA sample...
We are fabricating a bulk-micromachined micromirror device for laser pulse shaping applications on femtosecond time scales. An array of micromirrors is used to individually retard or diminish certain laser frequencies spanning from the UV to the near-infrared. The individual mirrors are fixed by two springs on either side and can be tilted (amplitude modulation) or moved out-of plane (phase modulation)...
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