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 ...

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 size—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.

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