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Exposure medium and particle ageing moderate the toxicological effects of nanomaterials to Daphnia magna over multiple generations: a case for standard test review?


Laura-Jayne A. Ellis, Eugenia Valsami-Jones and Iseult Lynch
Environ. Sci.: Nano, 2020,7, 1136-1149
From themed collection: Recent Open Access Articles

Abstract

Pristine engineered nanomaterials (NMs) entering the aquatic environment become ‘aged’ during their lifetime via chemical, physical and/or biological process.


Development and application of a ratiometric nanosensor for measuring pH inside the gastrointestinal tract of zooplankton


Adam Davis, Fatima Nasser, Jamie R. Lead and Zongbo Shi
Environ. Sci.: Nano, 2020, Advance Article

Abstract

The pH in the anterior gut of Daphnia magna is more than 2 pH units lower than the cultural medium.


Uptake and impacts of polyvinylpyrrolidone (PVP) capped metal oxide nanoparticles on Daphnia magna: role of core composition and acquired corona


S. M. Briffa, F. Nasser, E. Valsami-Jones and I. Lynch
Environ. Sci.: Nano, 2018,5, 1745-1756
From themed collection: Recent Open Access Articles

Abstract

A key hypothesis in nanosafety assessment is that the NP core chemistry and eco-corona are primary factors controlling toxicity.


Preparation of optically active cycloalkenes bearing all-carbon quaternary stereogenic centres via lipase–oxovanadium combo-catalysed dynamic kinetic resolution


Shinji Kawanishi, Koji Sugiyama, Yasuhiro Oki, Takashi Ikawa and Shuji Akai
Green Chem., 2017,19, 411-417
From themed collection: Enzyme catalysis in organic synthesis

Abstract

A novel asymmetric synthesis of the title compounds was developed via the chemoenzymatic connection of three prochiral and achiral components.


The intracellular redox environment modulates the cytotoxic efficacy of single and combination chemotherapy in breast cancer cells using photochemical internalisation


Derick K. Adigbli, Hayley Pye, Jason Seebaluck, Marilena Loizidou and Alexander J. MacRobert
RSC Adv., 2019,9, 25861-25874
From themed collection: Editors’ collection: Photodynamic therapy

Abstract

The redox environment modulates photochemical internalization of an entrapped cytotoxic agent. Administration of light depicted by jagged arrow.


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