Coloration Hoechst

Science de la nature
Chimie
Chimie physique
Fluorescence imaging

Publications associées (23)

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Pattern-based sensing of aminoglycosides with fluorescent amphiphiles

Rosario Scopelliti, Kay Severin, Ziya Köstereli

A mixture of two amphiphiles with fluorescent head groups can be used as a sensing ensemble for the pattern-based analysis of aminoglycoside antibiotics. In buffered aqueous solution, the amphiphiles form a dynamic mixture of micellar aggregates. In the pr ...

Royal Soc Chemistry2014

Is There a Need for Smooth Muscle Cell Transplantation in Urethral Reconstruction?

Peter Frey

Background: Hypospadias and urethral strictures are conditions requiring additional tissue for reconstruction. Due to a limited source of tissue, autologous skin and oral mucosa are frequently used. However, long-term follow-up studies demonstrated signifi ...

Mary Ann Liebert, Inc2014

Live Intracellular Super-Resolution Imaging Using Site-Specific Stains

Suliana Manley, Lina Carlini

Point localization super-resolution imaging (SR) requires dyes that can cycle between fluorescent and dark states, in order for their molecular positions to be localized and create a reconstructed image. Dyes should also densely decorate biological feature ...

American Chemical Society2013

Cell shape-dependent early responses of fibroblasts to cyclic strain

Jürgen Brugger, Mattia Marelli

Randomly spread fibroblasts on fibronectin-coated elastomeric membranes respond to cyclic strain by a varying degree of focal adhesion assembly and actin reorganization. We speculated that the individual shape of the cells, which is linked to cytoskeletal ...

Elsevier2013

Simulated biological cells for receptor counting in fluorescence imaging

Giovanni De Micheli, Sandro Carrara, Julien Michel Ghaye

Digital image processing and epi-fluorescence microscopy provide one of the main and basic tools for living biological cells analysis and studying. Developing, testing and comparing those image processing methods properly require the use of a controlled en ...

2012

Effect of Sensitizer Adsorption Temperature on the Performance of Dye-Sensitized Solar Cells

Michael Graetzel, Mohammad Khaja Nazeeruddin, Shaik Mohammed Zakeeruddin, Jean-David Décoppet, Pascal Comte, Peng Wang

Employing a mesoscopic titania photoanode whose bilayer structure was judiciously selected to fit the optoelectronic characteristics of the Ru-based heteroleptic complex Na-cis-Ru(4,4'-(5-hexyltiophen-2-yl)-2,2'-bipyridine)(4-carboxylic-acid-4'-carboxylate ...

2011

Examining architectures of photoanode-photovoltaic tandem cells for solar water splitting

Michael Graetzel, Kevin Sivula, Jun Ho Yum, Florian Le Formal, Maurin Cornuz, Jérémie Minh-Châu Brillet

Given the limitations of the materials available for photoelectrochemical water splitting, a multiphoton (tandem) approach is required to convert solar energy into hydrogen efficiently and durably. Here we investigate a promising system consisting of a hem ...

Cambridge University Press2010

Compressed collagen gel: a novel scaffold for human bladder cells

Florian Maria Wurm, Jeffrey Alan Hubbell, Peter Frey

Collagen is highly conserved across species and has been used extensively for tissue regeneration; however, its mechanical properties are limited. A recent advance using plastic compression of collagen gels to achieve much higher concentrations significant ...

Wiley-Blackwell2010

Smooth muscle Notch1 mediates neointimal formation after vascular injury

Freddy Radtke, Yiming Li

Notch1 regulates binary cell fate determination and is critical for angiogenesis and cardiovascular development. However, the pathophysiological role of Notch1 in the postnatal period is not known. We hypothesize that Notch1 signaling in vascular smooth mu ...

2009

Vertical arrays of nanofluidic channels fabricated without nanolithography

Klaus Kern, Floriano Traversi, Kannan Balasubramanian

Vertical arrays of sealed nanofluidic channels, in which both cross-sectional dimensions are controllable down to 10 nm, were fabricated by selective side etching of a SiGe heterostructure comprised of layers of alternating Ge fractions. Capillary filling ...

2009

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