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Mechano-responsive microcapsules with uniform thin shells

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From Surfactants to Viscoelastic Capsules

Esther Amstad, Gaia De Angelis, Natascha Ilena Gray

Micrometer sized capsules are often used as single entities for the encapsulation and release of active ingredients, for example in food, cosmetics, and drug delivery. Important parameters that determine the stability of capsules and the release of reagent ...

WILEY2023

Propulsion and energetics of a minimal magnetic microswimmer

Ignacio Pagonabarraga Mora

In this manuscript we describe the realization of a minimal hybrid microswimmer, composed of a ferromagnetic nanorod and a paramagnetic microsphere. The unbounded pair is propelled in water upon application of a swinging magnetic field that induces a perio ...

ROYAL SOC CHEMISTRY2020

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Lake Geneva, the largest freshwater lake in Western Europe, is subject to important environmental pressures from its densely populated shores and watershed. To maintain and improve water quality in this lake, as well as in other enclosed or semi‐enclosed b ...

2019

Stepwells: Reviving India’s Cultural and Traditional Water Storage Systems

Water has been foreseen to be the cause of the next great global crisis. India has 18% of the world population but only 4% of the world’s water resources. This brings us to the important issue that India may lack overall long-term availability of replenish ...

Paul Scherrer Institute, World Resources Forum2019

A Self-Assembled Organic/Metal Junction for Water Photo-Oxidation

Hubert Girault, Natalia Gasilova, Astrid Johana Olaya Avendano, Victor Costa Bassetto, Jonnathan Cesar Hidalgo Acosta, Julieta Soledad Riva, Terumasa Omatsu

We report the in situ self-assembly of TTF, TTF•+, and BF4 − or PF6 − into p-type semiconductors on the surface of Pt microparticles dispersed in water/acetonitrile mixtures. The visible light photoactivation of these selfassemblies leads to water oxidatio ...

2019

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We develop a membrane technology based on amyloid fibrils to remove aluminium from water and minimize its exposure to humans. We study aluminium adsorption by amyloid fibrils by evaluating the binding isotherms, the thermodynamics and the effects of differ ...

2019

Temperature dependence of water-water and ion-water correlations in bulk water and electrolyte solutions probed by femtosecond elastic second harmonic scattering

Sylvie Roke, Nathan Dupertuis, Yixing Chen, Halil Ibrahim Okur

The temperature dependence of the femtosecond elastic second harmonic scattering (fs-ESHS) response of bulk light and heavy water and their electrolyte solutions is presented. We observe clear temperature dependent changes in the hydrogen (H)-bond network ...

2018

In this study, the phase diagram of Pluronic L64 and water is simulated via dissipative particle dynamics (DPD). The peculiar structures that form when the concentration varies from dilute to dense (i.e., spherical and rod-like micelles, hexagonal and lame ...

2018

Aqueous Nanoscale Systems

Sylvie Roke

In the past five years the Laboratory for fundamental BioPhotonics (LBP) has worked on developing new technology that can access the molecular structure and nanoscale properties of buried aqueous interfaces and aqueous solutions. Using these methods a bett ...

Schweizerische Chemische Gesellschaft2017

BETTER WATER INFRASTRUCTURES FOR A BETTER WORLD – THE IMPORTANT ROLE OF WATER ASSOCIATIONS

Anton Schleiss

History shows that the economic prosperity of a society and its cultural wealth has always been closely related to the level of development of its water infrastructure. In view of climate change, especially dams and reservoirs, but also other water infrast ...

2017