Polyimide membranes for the purification of natural gas

Natural gas that contains larger amounts of hydrogen sulfide (H2S) and carbon dioxide (CO2) is termed sour gas. Before it can enter a pipeline, it must be 'sweetened' by removal of its acidic impurities. Through fine tuning ...

Sustainable separation technology makes new applications possible

Membranes are widely used to separate substances from each other, for example in water treatment or kidney dialysis. Membrane technology saves energy and water, and has a small CO2 footprint. Unfortunately, large quantities ...

Nanocontainer ships titan-size gene therapies and drugs into cells

Scientists at Johns Hopkins Medicine report they have created a tiny, nanosize container that can slip inside cells and deliver protein-based medicines and gene therapies of any sizeā€”even hefty ones attached to the gene-editing ...

Cutting nanoparticles down to size

A new technique in chemistry could pave the way for producing uniform nanoparticles for use in drug delivery systems.

page 3 from 10