Concept

Flow cytometry

Related publications (221)

Analytical expression for electric filed between two facing strip electrodes in microchannels

Philippe Renaud, Olof Pontus Linderholm, Urban Seger

An analytical solution is presented for the electric field between two facing strip electrodes situated in a microchannel, as frequently used in impedance cytometry applications. The measured change in resistance as induced by a 5 mm bead moving through th ...

2006

Micro-array device, for DNA recognition, includes micro-sensors to output signals indicating absorption of ultraviolet radiation in micro-location, when traversed by UV beam during hybridization process

Carlotta Guiducci

NOVELTY - The micro-array device has several micro-locations (3) associated with a preset DNA sequence. Several micro-sensors are positioned corresponding to the micro-locations. The micro-sensors output electrical signals indicating the absorption of ultr ...

Univ Alma Mater Studiorum Di Bologna; Ricco B; Guiducci C2006

Dual-color total internal reflection fluorescence cross- correlation spectroscopy

Theo Lasser, Marcel Leutenegger, Rainer Leitgeb

We present the development and first application of a novel dual-color total internal reflection (TIR) fluorescence system for single-molecule coincidence analysis and fluorescence cross-correlation spectroscopy (FCCS). As a performance analysis, we measur ...

2006

Improvement of the contrast in cancer detection by autofluorescence bronchoscopy using a narrow spectral violet excitation: A preliminary study

Hubert van den Bergh, Georges Wagnières, Tanja Gabrecht, Blaise Lovisa

Autofluorescence (AF) bronchoscopy is a useful tool for early cancer detection. However the mechanisms involved in this diagnosis procedure are poorly understood. We present a clinical autofluorescence imaging study to assess the depth of the principal con ...

2006

Laser Doppler blood-flow imaging combined with topographical imaging of the sample

Theo Lasser, Roland Michaely

We present a combination of topography measurements based on digital fringe projection and blood flow imaging based on Laser Doppler Imaging (LDI). Both techniques are optical, non-contact and high-speed whole-field methods well suited for in-vivo measurem ...

SPIE2006

Clinical fluorescence spectroscopy and imaging for the detection of early carcinoma by autofluorescence bronchoscopy and the study of the protoporphyrin IX pharmacokinetics in the endometrium

Tanja Gabrecht

The aim of this thesis is to optimise and gain fundamental information on two applications of photomedicine using fluorescence imaging and spectrofluorometry: (1) the detection of early bronchial cancer by autofluorescence imaging and (2) the endometrial a ...

EPFL2006

Gene Expression in Synovial Membrane Cells After Intraarticular Delivery of Plasmid-Linked Superparamagnetic Iron Oxide Particles—A Preliminary Study in Sheep

Heinrich Hofmann, Alke Fink, Benedikt Steitz

This study evaluated in vivo gene deliver y and subsequent gene expression within cells of the synovium in the presence of static and pulsating magnetic field application following intraar ticular injection of super paramagnetic iron oxide nanopar ticles l ...

2006

Solvent effects on the ultrafast dynamics of the retinal chromophore of bacteriorhodopsin

Goran Zgrablic

Photo-induced excited-state reactions stand in the center of function of the photosensitive biological systems. These reactions can be accompanied by structural changes of the chromophore (for example isomerization) which are influenced by the nearest envi ...

EPFL2006

FRET imaging reveals that functional neurokinin-1 receptors are monomeric and reside in membrane microdomains of live cells

Horst Vogel, Kai Johnsson, Rudolf Hovius, Jean-Manuel Segura, Nathalie George

The lateral organization of a prototypical G protein-coupled receptor, the neurokinin-1 receptor (NK1R), was investigated in living cells by fluorescence resonance energy transfer (FRET) microscopy, taking advantage of the recently developed acyl carrier p ...

2006

The Fugu tyrp1 promoter directs specific GFP expression in zebrafish: tools to study the RPE and the neural crest-derived melanophores

Jian Wang, Friedrich Beermann

In vertebrates, pigment cells account for a small percentage of the total cell population and they intermingle with other cell types. This makes it difficult to isolate them for analyzes of their functions in the context of development. To alleviate such d ...

2006

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