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Nanoscale mapping of optical band gaps using monochromated Electron Energy Loss Spectroscopy

Using monochromated electron energy loss spectroscopy in a probe-corrected scanning transmission electron microscope we demonstrate band gap mapping in ZnO/ZnCdO thin films with a spatial resolution below 10 nm and spectral precision of 20 meV....

Authors
Wei Zhan
Cecilie Skjold Granerød
Vishnukanthan Venkatachalapathy
Klaus Magnus H Johansen
Ingvild Julie Thue Jensen
Andrej Kuznetsov
Øystein Prytz
Year
2017
Type
Academic article
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Publication

Early warning through video monitoring: Dissolved hydrogen sulphide (H2S) affects Atlantic salmon swimming behavior in recirculating aquaculture systems

Hydrogen sulphide (H2S) poses a major threat in marine land-based recirculating aquaculture systems (RAS) leading to acute mortality in sensitive fish species such as Atlantic salmon (Salmo salar). To date, little is known about the effects of H2S on the physiology and behavior of the species. The...

Authors
Elia Ciani
Bjarne Kvæstad
Marit Stormoen
Ian Mayer
Shruti Gupta
Deni Ribičić
Roman Netzer
Year
2024
Type
Academic article
Publication

Biotransformation in water and soil of nitrosamines and nitramines potentially generated from amine-based CO2 capture technology

Nitrosamines (NSAs) and nitramines (NAs) are identified as possible degradation products from amine-based post-combustion CO2-capture (PCCC). Selected NSAs and NAs were subjected to aerobic and anaerobic biodegradation studies. In a screening study with 20 μg/L NSAs and NAs at 20 °C, only NSAs and...

Authors
Odd Gunnar Brakstad
Lisbet Sørensen
Kolbjørn Zahlsen
Kristin Bonaunet
Astrid Hyldbakk
Andy Booth
Year
2018
Type
Academic article
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