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Brij 35 significantly reduced the inhibitory activity of hydrophobic alkyl 2-pyrones, oleic acid and alkyl peptides towards human sputum and leucocyte elastase, whereas 4-methoxy-6-(2'-hydroxy-2'-(carbobutyloxy)-vinyl)-2-pyrone, alpha-1-proteinase inhibitor and a sulfated chitosan were unaffected. The effect of Brij 35 on elastase appeared to be(More)
Nineteen 4-hydroxy- and 4-methoxy-2-pyrones related to elasnin (I) have been assayed for in vitro inhibition of human sputum elastase (HSE), porcine pancreatic elastase, alpha-chymotrypsin, and trypsin. Inhibition is reported as Ki and Ki'; percentage inhibition was dependent on [S] in a number of cases, making it unsuitable as a measure of relative(More)
We study the mean-field dynamics of p-wave Feshbach molecule production in an ultra-cold gas of Fermi atoms in the same internal state. We derive a separable potential to describe the low-energy scattering properties of such atoms, and use this potential to solve the mean-field dynamics during a magnetic field sweep. Initially, on the negative scattering(More)
Inhibition of human leucocyte elastase by oleic acid and the structurally related 3-(1'-oxo-7'-carboxyheptyl)-4-hydroxy-6-octyl-2-pyrone is considerably enhanced by the addition of Cu2+, Zn2+ and, to a lesser extent, Co2+ and Ca2+. Sulindac sulfide and diflunisal also respond to changes in copper concentration, while Boc-Ala-Pro-Val-NH[CH2]10CO2H does not.(More)
Evidence is presented to support the hypothesis that oleic acid and 3-(1'-oxo-7'-carboxyheptyl)-4-hydroxy-6-octyl-2-pyrone (and other 3,6-dialkyl-2-pyrones) occupy the same binding region on human sputum elastase. The mechanism of inhibition is strongly dependent on the substitution pattern of the 2-pyrone, and these mechanisms correlate with those of oleic(More)
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