The mitochondria toxicity assay (MTT assay) is an established method for monitoring cell viability based on mitochondrial activity. Here the MTT assay is proposed for the in situ quantification of the living cell density of microencapsulated Jurkat cells. ...

Wiley-Blackwell2013

An experimental design methodology to evaluate the importance of different parameters on flocculation by polyelectrolytes

David Hunkeler, Jutta Christine Wandrey, Hamideh Ahmadloo, Ineide Cruz Pinheiro

Aggregation of particles is fundamental for improving the performance of many solid/liquid processes. Aggregation can be induced by different means, and one of the most common is based on the addition of polymeric additives, namely polyelectrolytes. In thi ...

Elsevier Science Sa2013

Encapsulated mesenchymal stem cells xenotransplanted in mice produce anti-inflammatory cytokines and delay liver fibrosis

Jutta Christine Wandrey, Yannick Müller, Redouan Mahou, Léo Bühler

Wiley-Blackwell2013

The Survival of Free and Encapsulated Islets Xenograft Transplanted in the Mouse Bone Marrow

Jutta Christine Wandrey, Redouan Mahou

Lippincott Williams & Wilkins2013

The survival of free and encapsulated islets xenograft transplanted in the mouse bone marrow

Jutta Christine Wandrey, Yannick Müller, Redouan Mahou

Wiley-Blackwell2013

Preparation of Well-Defined Ibuprofen Prodrug Micelles by RAFT Polymerization

Jutta Christine Wandrey, Jeffrey Alan Hubbell, Urara Hasegawa

Nonsteroidal anti-inflammatory drugs (NSAIDs) are widely used to treat acute pain, fever, and inflammation and are being explored in a new indication in cancer. Side effects associated with long-term use of NSAIDs such as gastrointestinal damage and elevat ...

American Chemical Society2013

Alginate-PEG biomaterial for cell microencapsulation and xenotransplantation

Jutta Christine Wandrey, Yannick Müller, Redouan Mahou, Françoise Borcard

Wiley-Blackwell2013

Thiol-Ene Click Chemistry as a Tool for a Novel Family of Polymeric Ionic Liquids

Jutta Christine Wandrey

Functionalized pyrrolidinium compounds, 3-((2-hydroxyethylthio)methyl)-1,1,4-trimethylpyrrolidinium and 3-((2-carboxyethylthio)methyl)-1,1,4-trimethylpyrrolidinium chlorides, are prepared from N,N-diallyl-N,N-dimethylammonium chloride by radical thiol-ene ...

2012

Solution viscosity and flocculation characteristics of linear polymeric flocculants in various media

David Hunkeler, Jutta Christine Wandrey

Rheological characteristics of linear copolymers of acrylamide (AM) and acryloyloxyethyltrimethyl ammonium chloride (Q9), differing in molar mass and chemical composition, have been studied in distilled water (DW) and industrial water (IW) obtained from a ...

2011

Polymerization of the new double-charged monomer bis-1,3(N,N,N trimethylammonium dicyanamide)-2-propylmethacrylate and ionic conductivity of the novel polyelectrolytes

Jutta Christine Wandrey, Ricardo Losada Mateo

The achievement of high ionic conductivity in single-ion conducting polymer electrolytes is one of the important aims for various electrochemical devices including modern lithium batteries. One way to enhance the ionic conductivity in polyelectrolyte syste ...

2011

Analytical ultracentrifugation to support the development of biomaterials and biomedical devices

Jutta Christine Wandrey, Jeffrey Alan Hubbell, Conlin O'Neil, Urara Hasegawa

Analytical ultracentrifugation (AUC) primarily serves to investigate hydrodynamic and thermodynamic properties of natural and synthetic macromolecules and colloids in solution, dispersion or suspension. Beside such more conventional use, AUC can support ma ...

2011

Polymeric Ionic Liquids: Comparison of Polycations and Polyanions

Jutta Christine Wandrey

The achievement of high ionic conductivity in new "polymeric ionic liquids" (PILs) is of great interest as it refers to the solid state electrolytes and their applications in electrochemistry. Four ionic monomers, including two new ones, namely N-[(2-metha ...

American Chemical Society2011

Cell Response to the Exposure to Chitosan-TPP//Alginate Nanogels

Jutta Christine Wandrey

Hydrophilic nanocarriers formed by electrostatic interaction of chitosan with oppositely charged macromolecules have a high potential as vectors in biomedical and pharmaceutical applications. However, comprehensive information about the fate of such nanoma ...

American Chemical Society2011

Homo- and copolymers of cationic double-charged monomers

Jutta Christine Wandrey, Ricardo Losada Mateo, Hamideh Ahmadloo

Schweizerische Chemische Gesellschaft2010

Flocculation by Cationic Polyelectrolytes: Relating Efficiency with Polyelectrolyte Characteristics

David Hunkeler, Jutta Christine Wandrey

A series of acrylamide/dimethylaminoethylacrylate methyl chloride copolymers (AM-co-DMAEA) was evaluated as flocculants for model Precipitated Calcium Carbonate (FCC) in distilled water. These cationic polyelectrolytes (PEL) differed by their AM/DMAEA rati ...

Wiley-Blackwell2010

Chitosan-based nanogels for selective delivery of photosensitizers to macrophages and improved retention in and therapy of articular joints

Georges Wagnières, Jutta Christine Wandrey, Jérôme Barge, Lucienne Lagopoulos, Frédéric Schmitt

Macrophages play key roles in inflammatory disorders. Therefore, they are targets of treatments aiming at their local destruction in inflammation sites. However, injection of low molecular mass therapeutics, including photosensitizers, in inflamed joints r ...

Elsevier2010

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