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A Template-Free, Ultra-Adsorbing, High Surface Area Carbonate Nanostructure

We report the template-free, low-temperature synthesis of a stable, amorphous, and anhydrous magnesium carbonate nanostructure with pore sizes below 6 nm and a specific surface area of ∼ 800 m2 g−1, substantially surpassing the surface area of all previously described alkali earth metal carbonates. The moisture sorption of the novel nanostructure is featured by a unique set of ...

Surface Transition on Ice Induced by the Formation of a Grain Boundary

Interfaces between individual ice crystals, usually referred to as grain boundaries, play an important part in many processes in nature. Grain boundary properties are, for example, governing the sintering processes in snow and ice which transform a snowpack into a glacier. In the case of snow sintering, it has been assumed that there are no variations in surface roughness and ...

High-Capacity Conductive Nanocellulose Paper Sheets for Electrochemically Controlled Extraction of DNA Oligomers

Highly porous polypyrrole (PPy)-nanocellulose paper sheets have been evaluated as inexpensive and disposable electrochemically controlled three-dimensional solid phase extraction materials. The composites, which had a total anion exchange capacity of about 1.1 mol kg−1, were used for extraction and subsequent release of negatively charged fluorophore tagged DNA oligomers via ...

Haemocompatibility and ion exchange capability of nanocellulose polypyrrole membranes intended for blood purification

Strmme Albert Mihranyan Natalia Ferraz Daniel O. Carlsson Jaan Hong Rolf Larsson Bengt Fellstrm Leif Nyholm Maria 0 Renal Medicine, Department of Medical Sciences, Uppsala University Hospital