There is an association between the TGF-beta1 -800 GA, -509 TT and Leu10-->Pro CT genotypes and the presence or absence of RPS. The low TGF-beta1 producer status of the -800 GA genotype may protect against the development of a pro-fibrotic pathology.

The separation of olefin/paraffin mixtures using polymer–silver complexes is explored here. Composite membranes of 1:1 (CO/Ag) poly(2‐ethyl‐2‐oxazoline)/AgBF4 on microporous polysulfone support are shown to facilitate the transport of propylene, with its permeance and pure gas selectivity over propane increasing 450‐fold when compared to pure polymer membranes.

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