scholarly journals Biofunctionalized zinc peroxide (ZnO2) nanoparticles as active oxygen sources and antibacterial agents

RSC Advances ◽  
2017 ◽  
Vol 7 (62) ◽  
pp. 38998-39010 ◽  
Author(s):  
Christian Bergs ◽  
Lisa Brück ◽  
Ruben R. Rosencrantz ◽  
Georg Conrads ◽  
Lothar Elling ◽  
...  
Keyword(s):  
High Pressure ◽  
Antibacterial Agents ◽  
Impinging Jet ◽  
Active Oxygen ◽  
Zinc Peroxide

Small and uniform zinc peroxide nanoparticles were synthesized and biofunctionalizedin situ viaa high-pressure-impinging-jet-reactor for specific antibacterial applications.

Ultrasmall functional ZnO2 nanoparticles: synthesis, characterization and oxygen release properties

RSC Advances ◽  
2016 ◽  
Vol 6 (88) ◽  
pp. 84777-84786 ◽  
Author(s):  
Christian Bergs ◽  
Paul Simon ◽  
Yurii Prots ◽  
Andrij Pich
Keyword(s):  
High Pressure ◽  
Synthesis Method ◽  
Impinging Jet ◽  
Oxygen Release ◽  
New Synthesis ◽  
Nanoparticles Synthesis ◽  
Zinc Peroxide

Ultrasmall zinc peroxide nanoparticles with diameter between 3.3 ± 0.9 and 14.4 ± 5.2 nm were synthesized via a completely new synthesis method (high-pressure impinging-jet reactor; MRT CR 5, Microfluidics®).

Single Crystal Growth of High-Pressure Phases of Ice and Salt Hydrate Far Below the Original Melting Point by Mixing Alcohol: Crystal Structure Determination of Magnesium Chloride Heptahydrate

2020 ◽  
Author(s):  
Keishiro Yamashita ◽  
Kazuki Komatsu ◽  
Hiroyuki Kagi
Keyword(s):  
Crystal Structure ◽  
High Pressure ◽  
Crystal Growth ◽  
Single Crystal ◽  
Room Temperature ◽  
Growth Technique ◽  
Salt Hydrate ◽  
X Ray

An crystal-growth technique for single crystal x-ray structure analysis of high-pressure forms of hydrogen-bonded crystals is proposed. We used alcohol mixture (methanol: ethanol = 4:1 in volumetric ratio), which is a widely used pressure transmitting medium, inhibiting the nucleation and growth of unwanted crystals. In this paper, two kinds of single crystals which have not been obtained using a conventional experimental technique were obtained using this technique: ice VI at 1.99 GPa and MgCl<sub>2</sub>·7H<sub>2</sub>O at 2.50 GPa at room temperature. Here we first report the crystal structure of MgCl2·7H2O. This technique simultaneously meets the requirement of hydrostaticity for high-pressure experiments and has feasibility for further in-situ measurements.

scholarly journals Cover Picture: A Versatile Ambient‐to‐High‐Pressure Reaction Transmission Cell for in situ/operando Infrared Spectroscopic Investigations (Chemistry ‐ Methods 7/2021)

2021 ◽  
Vol 1 (7) ◽  
pp. 305-305
Author(s):  
Jana Weiß ◽  
Christine Rautenberg ◽  
Thomas Rall ◽  
Christoph Kubis ◽  
Evgenii Kondratenko ◽  
...  
Keyword(s):  
High Pressure ◽  
Spectroscopic Investigations ◽  
Infrared Spectroscopic ◽  
High Pressure Reaction

scholarly journals A Versatile Ambient‐to‐High‐Pressure Reaction Transmission Cell for in situ/operando Infrared Spectroscopic Investigations

2021 ◽  
Vol 1 (7) ◽  
pp. 308-314
Author(s):  
Jana Weiß ◽  
Christine Rautenberg ◽  
Thomas Rall ◽  
Christoph Kubis ◽  
Evgenii Kondratenko ◽  
...  
Keyword(s):  
High Pressure ◽  
Spectroscopic Investigations ◽  
Infrared Spectroscopic ◽  
High Pressure Reaction

scholarly journals Pressure-induced Jahn-Teller Switch in the Homoleptic Hybrid Perovskite [(CH3)2NH2]Cu(HCOO)3: Orbital Reordering by Unconventional Degrees of Freedom

2021 ◽  
Author(s):  
Rebecca Scatena ◽  
Michał Andrzejewski ◽  
Roger D Johnson ◽  
Piero Macchi
Keyword(s):  
Phase Transition ◽  
High Pressure ◽  
Coordination Polymer ◽  
Degrees Of Freedom ◽  
X Ray Diffraction ◽  
X Ray ◽  
Hybrid Perovskite ◽  
Jahn Teller

Through in-situ, high-pressure x-ray diffraction experiments we have shown that the homoleptic perovskite-like coordination polymer [(CH3)2NH2]Cu(HCOO)3 undergoes a pressure-induced orbital reordering phase transition above 5.20 GPa. This transition is distinct...

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