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Methanol crossover is one of the most critical issues hindering commercialization of direct methanol fuel cells since it leads to waste of fuel and significantly affects cathode potential, forming a so-called mixed potential. Unfortunately, due to the sluggish anode kinetics, it is not possible to obtain a reliable estimation of cathode potential by simply measuring the cell voltage. In this work...
Aims/hypothesis A major focus in the treatment of diabetes is to identify factors that stimulate endogenous beta cell growth while preserving function. The first 36 amino acids of parathyroid hormone-related protein (PTHrP) are sufficient to enhance proliferation and function in rodent and human beta cells in vitro. This study examined whether acute and systemic administration of the amino-terminal...
In this paper we describe a method to adequately compute energy spent in ad hoc networks. Many of the protocols investigations take into consideration only the energy consumed during transmission, which represents the lower contribution. To make more realistic the overall energy computation we consider the energy costs associated with all possible radio states: transmitting, receiving and idle. Furthermore,...
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