Publications related to Ethylene oxide

RAFT homo- and copolymerization of N-acryloyl-morpholine, piperidine, and azocane and their self-assembled structures

Davide Demurtas, Jeffrey Alan Hubbell, Yun Suk Jo, Jay Gantz

We present new polymeric amphiphiles derived from N-acryloyl derivatives of the cyclic secondary amines: morpholine, piperidine, and azocane polymerized by reversible addition -fragmentation transfer (RAFT) polymerization. Both homopolymerization and block ...

2008

Electroacoustic Polymer Microchip as an Alternative to Quartz Crystal Microbalance for Biosensor Development

Hubert Girault

Laser photoablation of poly(ethylene terephthalate) (PET), a flexible dielectric organic polymer, was used to design an acoustic miniaturized DNA biosensor. The microchip device includes a 100-μm-thick PET layer, with two microband electrodes patterned in ...

2008

Microstructuring of polystyrene surfaces with nonsolvent sessile droplets

Ramon Pericet Camara

Herein, we study the microstructuring of toluene-vapor-softened polystyrene surfaces with nonsolvent sessile droplets. Arrays of microvessels are obtained by depositing non-evaporating droplets of ethylene glycol/water on the original polystyrene surfaces ...

Wiley-Blackwell2008

PEG-b-PPS diblock copolymer aggregates for hydrophobic drug solubilization and release: Cyclosporin A as an example

Davide Demurtas, Jeffrey Alan Hubbell

Micelles formed from amphiphilic block copolymers have been explored in recent years as carriers for hydrophobic drugs. In an aqueous environment, the hydrophobic blocks form the core of the micelle, which can host lipophilic drugs, while the hydrophilic b ...

2008

Selective degradation of wood lignin over noble-metal catalysts in a two-step process

Paul Joseph Dyson, Chenxu Zhao, Ning Yan, Cheng Wang

Direct conversion of lignin into alkanes and methanol was carried out in a two-step process (hydrogenolysis and hydrogenation) involving initial treatment of white birch wood sawdust with H2 in dioxane/water/phosphoric acid using carbon supported Ru, Pd, R ...

2008

Part I: A novel in-vitro system for simultaneous mechanical stimulation and time-lapse microscopy in 3D

Jeffrey Alan Hubbell

To investigate the migration response of cells to changes in their biophysical environment, a novel uniaxial cell stimulation device (UCSD) has been designed and tested. The device is capable of applying very precise user-defined static or dynamic mechanic ...

Springer-Verlag2008

Antimicrobial Surfaces through Natural Product Hybrids

Karl Gademann, Simone Bonazzi, Jean-Yves Wach

The power of two! A natural product hybrid (see structure) composed of a siderophore and an antibiotic separated by a poly(ethylene glycol) linker enables the preparation of antimicrobial and cell-resistant surfaces by a simple dip-and-rinse procedure. The ...

2008

Part II: Fibroblasts preferentially migrate in the direction of principal strain

Matthias Lütolf, Jeffrey Alan Hubbell

A growing body of evidence suggests that the sensory information from the cytoskeleton and integrins may be responsible for guiding migration during mechano- and haptotaxis. However, the dual function of these subcellular structures as mechano-sensors and ...

Springer-Verlag2008

“Sandwich Reactor” for Heterogeneous Catalytic Processes: N2O Decomposition as a Case Study

Albert Renken, Lioubov Kiwi, Bryan Bromley

A novel “sandwich” microreactor designed as a thin (∼ 300

\mu

m) porous plate of sintered metal fibers (SMF), sandwiched between metallic plates is reported. The SMF surface was coated by Fe-ZSM-5 thin film (< 2

\mu

m) rendering a catalyst highly active ...

2008

Suppression of leakage currents in GaN-based LEDs induced by reactive-ion etching damages

Nicolas Grandjean, Jean-François Carlin, Eric Feltin, Julien Dorsaz, Antonino Francesco Castiglia, Mauro Mosca

Forward and reverse leakage currents in GaN/InGaN multi-quantum well light-emitting diodes (LEDs) are caused by reactive-ion etching (RIE) damages during device patterning. A method to recover the damaged surfaces, based on a chemical etch in KOH: ethylene ...

2008

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RAFT homo- and copolymerization of N-acryloyl-morpholine, piperidine, and azocane and their self-assembled structures

Electroacoustic Polymer Microchip as an Alternative to Quartz Crystal Microbalance for Biosensor Development

Microstructuring of polystyrene surfaces with nonsolvent sessile droplets

PEG-b-PPS diblock copolymer aggregates for hydrophobic drug solubilization and release: Cyclosporin A as an example

Selective degradation of wood lignin over noble-metal catalysts in a two-step process

Part I: A novel in-vitro system for simultaneous mechanical stimulation and time-lapse microscopy in 3D

Antimicrobial Surfaces through Natural Product Hybrids

Part II: Fibroblasts preferentially migrate in the direction of principal strain

“Sandwich Reactor” for Heterogeneous Catalytic Processes: N2O Decomposition as a Case Study

Suppression of leakage currents in GaN-based LEDs induced by reactive-ion etching damages

Electroacoustic Polymer Microchip as an Alternative to Quartz Crystal Microbalance for Biosensor Development

RAFT homo- and copolymerization of N-acryloyl-morpholine, piperidine, and azocane and their self-assembled structures

Microstructuring of polystyrene surfaces with nonsolvent sessile droplets

Part II: Fibroblasts preferentially migrate in the direction of principal strain

PEG-b-PPS diblock copolymer aggregates for hydrophobic drug solubilization and release: Cyclosporin A as an example

Selective degradation of wood lignin over noble-metal catalysts in a two-step process

Part I: A novel in-vitro system for simultaneous mechanical stimulation and time-lapse microscopy in 3D

Antimicrobial Surfaces through Natural Product Hybrids

Suppression of leakage currents in GaN-based LEDs induced by reactive-ion etching damages

“Sandwich Reactor” for Heterogeneous Catalytic Processes: N2O Decomposition as a Case Study