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Hydrolysis of phosphatidylinositol by human panreatic phospholipase A2

Pure human pancreatic phospholipase A2 efficiently hydrolyzed the 2-ester bond of 14C-2-linoleoyl and 14C-2-arachidonyl phosphatidylinositol (PI). The rate of hydrolysis varied markedly with the bile salt (sodium taurocholate to sodium taurodeoxycholate, 3:4 mol/mol) concentration, the hydrolysis being decreased with increasing bile salt to PI ratio. The influence of bile salts was thus similar to

Artist Unknown

Konstinstallation med verk from Nationalmuseet i Kievs samling av konstverk beslagtagna under Stalin-terrorn på slutet av 1930talet. En samling som hölls hemlig fram till slutet av 1980talet

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En installation med målningar för grupputställningen SOON Enough: Art in Action, Tensta Konsthall Stockholm

The propagation of polarization in double refraction

We define systems of uniaxial type, which generalize Maxwell's system of equations for uniaxial crystals. We compute the geometric invariants of these systems. Using energy estimates, we prove results on the propagation of Sobolev polarization sets. The polarization sets refine the wave front sets of vector valued distributions.