Enlinson Carvalho

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This article attempts to explain the seeming paradox of a country with a high tax burden and a continually concentrated distribution of income. Using a nonparametric density estimation, it is shown that Brazil does not conform to the characteristics of most countries in terms of income tax and government expenditure patterns. By means of a structural(More)
Perturbed angular correlation of gamma-rays (PAC) spectroscopy has been used to investigate the angiotensin-I-converting enzyme (ACE) of rabbit lung. By substituting the zinc ions in ACE with excited 111mCd2+ ions, analysis of PAC spectra gave directly the percentage of cadmium ions bound to ACE. The result of the analysis was a dissociation constant of(More)
Electron paramagnetic resonance (EPR) spectroscopy has been used to study the metal coordination sphere geometry in the cobalt-substituted Zn-protein angiotensin I-converting enzyme (ACE). It has been shown that ACE contains two distinct metal-binding sites. In the presence of the two structurally different inhibitors, captopril and ramiprilat, it is found(More)
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