Winton Moy

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Superoxide anion, a highly reactive free radical, was generated in vitro using enriched purified xanthine oxidase. Collagen solutions exposed to superoxide radical failed to gel normally when heated to 37 degrees C. The magnitude of the inhibition of gelation was propotional to duration of exposure and to flux of superoxide. Since inhibition of collagen(More)
To investigate possible mechanisms of hyaluronic acid depolymerization, superoxide anion and other secondary oxygen-derived free radicals were generated in vitro and allowed to act upon a hyaluronate substrate. Superoxide, generated either enzymatically with xanthine oxidase or by stimulation of polymorphonuclear leukocytes, reduced the viscosity of(More)
Lysozyme assays are often performed by a diffusion technique utilizing agarose gels impregnated with substrate organisms (lysoplates), but the results differ greatly from those obtained with spectrophotometric or immunologic techniques. We have investigated the effect of agarose composition on the lysoplate assay utilizing 10 different gels varying in ionic(More)
We combined the finite-size scaling method with the finite element method to provide a systematic procedure for obtaining quantum critical parameters for a quantum system. We present results for the Yukawa potential solved with the finite element approach. The finite-size scaling approach was then used to find the critical parameters of the system. The(More)
We compare two methods of obtaining critical parameters for a quantum Hamiltonian using a finite size scaling approach. A finite element and basis set method were used in conjunction with the finite size scaling to obtain the critical parameters for the Hulthen potential. The critical parameters obtained analytically were the coupling constant c= 1 2 , the(More)
Molecular Physics An International Journal in the Field of Chemical Physics Publication details, including instructions for authors and subscription information: Finite size scaling with gaussian basis sets Winton Moy a; Sabre Kais a; Pablo Serra b a Department of Chemistry, Purdue University, West(More)
The hydrolysis of MgATP by actomyosin gel at low ionic strength is known to show two unusual features: (1) an Arrhenius plot with a shallow slope in the higher temperature range (35-16 degrees C) and a steep slope in the lower temperature range (16-0 degrees C); (2) a rate curve of hydrolysis that begins with a 'burst' and falls to a lower steady-state(More)
The turbidity changes induced by MgATP in suspensions of actomyosin gel particles have been studied systematically over a wide range of MgATP concentrations at different temperatures with and without the regulatory proteins. An analysis of these changes distinguishes three separate protein-protein interactions in the gel: (1) The transient cyclic(More)
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